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Pure is a global dating app committed to bringing honesty and fun into the dating world. We believe that dating is more than just swiping โ itโs a delightful journey where everyone can discover something special, regardless of their preferences.
We're looking for a Senior iOS Engineer to join the team! You will be working on the current Pure app and our iOS SDK for the backend platform. At Pure, it's not just about rewriting old features - as our product is growing rapidly, we are constantly developing new features, so you wonโt get bored. This also means you will have an impact on our code base and get to bring new ideas to the table!
What are we looking for?
- 5+ years of experience with iOS app development.
- Strong knowledge of Swift - we use iOS 15+ with fancy modern stuff ;)
- Experience working with VIPER + Redux.
- Experience with TDD & unit testing.
- Working with manual layouts.
- Working with SwiftUI.
- Strong knowledge of Git.
What would be a plus? (we can always dream)
- Experience with audio and video calls.
- Messenger development experience.
- Experience with embedded shopping.
- Experience with dating apps.
- Experience with Kotlin Multiplatform
What will you be doing?
- Developing high-quality features on iOS using Swift.
- Collaborating with the team to ensure the app meets user needs and business objectives.
- Continuously seeking opportunities to improve application performance and code stability.
- Ensuring the performance, quality, and app responsiveness.
- Refactor code to make it easier to maintain and extend.
What do we offer?
- Remote work.
- A competitive salary that matches our expectations and your level of experience.
- Yearly performance bonus.
- An opportunity to work on a product in the growth stage.
- Yearly education budget.
- A multinational and diverse workplace.
At Pure, we are anything but boring. Join us on a mission to make dating more exciting for everyone!
P.S. Itโs a plus if you can include a link to any source code you think might be worth pursuing - it could be an OpenSource project, a pull request, or simply an archive of your work.

With a presence in fast-growing regions and a strong product focus, we're expanding into new global markets โ and weโre looking for a driven Business Development Manager to accelerate this growth. This role is focused on international markets. Ideally, you are based in Cyprus or nearby โ but remote candidates are welcome, as long as your working hours align with our team.
โLocation: Remote GMT+3
โLanguages Required: English (C1) and Russian (C1)
โWorking Hours: Full-time, remote โ availability required during core working hours
โWhat Youโll Be Doingโ
- Market Research & Strategy: Explore and prioritize new markets based on research and performance potential.
- Client Acquisition: Lead cold outreach efforts to identify and engage new clients across global markets.
- Inbound Sales: Manage and convert inbound leads into long-term clients.
- Relationship Building: Cultivate relationships with key decision-makers in marketing and advertising.
- Sales Process Ownership: Own the full sales cycle โ from prospecting and pitching to closing and handover.
- Cross-Team Collaboration: Work closely with product and client teams to ensure a smooth onboarding and client experience.
โWhat Weโre Looking Forโ
- B2B Sales Experience: 3+ years in business development or B2B cold sales, ideally in tech, SaaS, Crypto, or marketing.
- Fluent English: You can confidently communicate with clients around the world. Other languages are a plus.
- Adtech or Marketing Background: Experience working with crypto projects, fintech companies, or in performance marketing.
- Proactive & Independent: You donโt wait to be told what to do โ you take initiative and move fast.
- Goal-Oriented: You thrive on targets and arenโt afraid of ambitious sales KPIs.
- Excellent Communicator: Clear, persuasive, and confident โ both in writing and on calls.
- Time Zone Compatibility: You are available during working hours in GMT+3 (Cyprus time).
- Location: While weโre remote-first, being based in or near Cyprus is a strong plus.
โBonus Points Forโ
- Experience in new market development (EMEA, LATAM, APAC, etc.)
- Familiarity with tools like LinkedIn Sales Navigator and ad platforms like Meta/TikTok
- Understanding of agency dynamics and sales cycles in marketing
โSuccess Metricsโ
- Number of new client deals closed
- Pipeline quality and speed-to-close
- Client satisfaction during the handover process
- Contribution to revenue and regional growth
โWhat We Offerโ
- Remote-first culture: Work from anywhere, with flexibility as long as you're aligned with Cyprus working hours.
- Growth opportunities: Step into a leadership or regional expansion role as we scale.
- Competitive compensation and performance-based bonuses.
- High-impact role: Be at the front line of global growth at a fast-scaling adtech company.
- Supportive team: Work with experienced professionals across sales, product, and client success.

We are seeking a Lead Flutter Engineer, to drive the development of a next-generation Web3-native mobile application. You will define the technical vision, design the architecture, and mentor engineers while ensuring the product is secure, scalable, and user-friendly. This role blends hands-on coding with architectural ownership, leadership, and close collaboration with product and design teams.
Key Responsibilities:
- Architect and own the system design, technical roadmap, and overall delivery of the app.
- Lead and mentor a cross-functional engineering squad, setting coding standards and best practices.
- Contribute to development in Flutter/Dart while guiding quality and scalability.
- Design modular systems with theming, multi-language, and OTA update capabilities.
- Oversee integrations with backend services, blockchain protocols, and secure key management.
- Ensure security, compliance, and high performance across all features.
- Partner with product and design to align technical execution with strategic goals.
- Translate analytics and user feedback into iterative improvements and innovation.
About You:
- 7+ years of software engineering experience, including 2+ years in a Flutter leadership or architect role.
- Strong expertise in Flutter/Dart, with a proven track record of shipping consumer-grade mobile apps.
- Experience designing and scaling secure mobile systems (biometrics, encrypted storage, recovery flows).
- Solid understanding of blockchain, Web3, DeFi, or fintech systems.
- Skilled in modular architecture and resilient system design.
- Excellent communicator with experience mentoring and growing engineering teams.
- Passionate about decentralization, security, and building products that empower users globally.

We are actively implementing AI into game development. To speed up this process, we have created a cross-project team. It functions as an internal center of expertise, advising teams, selecting solutions, and integrating tools into workflows.
Our goal is to bring generative AI into the art pipeline, helping artists scale creativity while maintaining a consistent visual style across a huge volume of content.
We are currently looking for a Generative AI / ML Engineer who will work closely with the production producer to train and advance the models for the art style stabilisation and bringing the quality to a whole new level (backgrounds, characters, match-3, and UI elements).
This role requires relocation from Russia and Belarus to one of our offices or remote work from other countries (except Russia and Belarus). Find out more here.
Tasks
- Training generative models in Playrix's corporate art style โ fine-tuning models (LoRA, DreamBooth), LoRA training.
- Creating and optimizing prompts to achieve the desired artistic result.
- Working with ComfyUI and other AI tools to build convenient pipelines in production. .
- Writing guidelines and training artists in AI tools.
- Experimenting with new approaches and training strategies to achieve the ideal style.
Requirements
- 5+ years of experience as machine learning engineer.
- 3+ years of experience in working with Generative AI/Deep Learning (PyTorch, JAX, TensorFlow).
- Experience with diffusion models (Stable Diffusion, FLUX, Imagen, Qwen).
- Experience with generative models (fine-tuning, LoRA, DreamBooth).
- Experience with ControlNet, T2I-Adapter, Style Transfer tools.
- Understand the principles of dataset preparation and balancing.
- Experienced in inference customization and image generation.
- Fluent Russian language.
Our Perks
Flexibility at work
- For most positions we offer a flexible schedule, and employees can work from anywhere in the world (except for the Russian Federation and the Republic of Belarus). You can do your work however and wherever you like โ we only evaluate your results.
Caring for health and well-being
- We provide voluntary health insurance for employees and their children, and reimburse online sessions with a psychologist.
- We offer fully paid vacation days and sick leave. In certain circumstances, you can request additional days off.
- We support leading a healthy lifestyle and reimburse the cost of gym memberships and fitness app subscriptions.
Professional development and education
- We pay for participation in specialized conferences and courses and hold our own internal conferences.
- We offer discounts on English language courses and courses for the languages of the countries in which the company operates.
Events and merch
- We regularly hold offline events like team meetings, big corporate parties, and informal office parties.
- We also regularly organize fun competitions, quizzes, hackathons, and online fitness challenges.
- We have a merch store with an internal currency you can use to buy unique gifts. We give out this currency as a gift for significant dates, and you can earn more by participating in events and company activities.
Work Format
Remote or from one of the companyโs offices.

Weโre adding a Staff Data Scientist to our team to help inform the future of Webflow with data by building a deep understanding of how our customers create for the web with our product. Youโll partner directly with key product stakeholders to identify interesting business questions and provide the data and quantitative analysis to answer them, leading the development of KPIs and helping teams understand how to improve our user experience.
About the role:
- Remote-first (United States; BC & ON, Canada)
- Full-time
- Permanent
- Exempt
- The cash compensation for this role is tailored to align with the cost of labor in different geographic markets. We've structured the base pay ranges for this role into zones for our geographic markets, and the specific base pay within the range will be determined by the candidateโs geographic location, job-related experience, knowledge, qualifications, and skills.
- United States ย (all figures cited below are in USD and pertain to workers in the United States)
- Zone A: $175,000 - $247,000
- Zone B: $164,000 - $232,000
- Zone C: $154,000 - $217,000
- Canada ย (all figures cited below are in CAD and pertain to workers in the Canada)
- Zone A: $199,000 - $281,000
- United States ย (all figures cited below are in USD and pertain to workers in the United States)
This role is also eligible to participate in Webflow's company-wide bonus program. Target amounts are a percentage of base salary and vary by career level. Payouts are based on company performance against established financial and operational goals.
Please visit our Careers page for more information on which locations are included in each of our geographic pay zones. However, please confirm the zone for your specific location with your recruiter.
- Reporting to the Director, Data Science.
As a Staff Data Scientist youโll:
- Lead high-impact projects to drive insights and decision-making across Webflowโs most critical initiatives.
- Define and evolve product and business metrics in collaboration with cross-functional teams to measure user experience and product performance
- Advance our experimentation capabilities, guiding design, statistical analysis, and interpretation of A/B tests, and championing a rigorous, iterative approach to product development.
- Uncover growth opportunities through exploratory data analyses, customer segmentation, and predictive modeling that surface actionable insights across the customer journey.
- Lead technical and non-technical team members with processes and technical expertise for executing experiments, answering open ended business questions with data, and researching levers for improving our product
- Partner with stakeholders in Product, Engineering, Design, Marketing, and User Research to blend qualitative and quantitative insights, informing product direction and enhancing user experience.
- Develop our data foundation collaborating on our strategic roadmap for building new pipelines and tools that contribute to our connected, complete understanding of our customer journey and improve our customer experience.
In addition to the responsibilities outlined above, at Webflow we will support you in identifying where your interests and development opportunities lie and we'll help you incorporate them into your role.
About you:
Youโll thrive as a Staff Data Scientist if you:
- Have 5+ years of experience in a Data Science (or similar) position
- Have interest and experience in mentoring and developing the technical skills of your team members, helping to build a collaborative data science practice
- Have demonstrated experience working as a Data Scientist (or the equivalent in quantitative analysis), contributing to the strategic roadmap, providing high quality, reproducible analysis that impacts company strategy and decision making, building tools to enable scalable processes and enabling others to do the same
- Have expertise in applied statistics (e.g. predictive modeling, hypothesis testing, regressions), segmentation and experimentation (e.g. A/B testing) in an industry setting and the ability to explain concepts to technical and non-technical team members
- Have proficiency in SQL, and experience with a programming language like Python or R
- Curious about diving into the nuances of our business and product data
- Thrive collaborating with product teams in a fast-paced and sometimes ambiguous environment, solving complex and nuanced problems
- Engage both technical and nontechnical audiences with clear and compelling communication
- Stay curious and open to growth โ actively building fluency in emerging technologies like AI to unlock creativity, accelerate progress, and amplify impact.
Our Core Behaviors:
- Build lasting customer trust. We build trust by taking action that puts customer trust first.
- Win together. We play to win, and we win as one team. Success at Webflow isn't a solo act.
- Reinvent ourselves. We don't just improve what exists, we imagine what's possible.
- Deliver with speed, quality, and craft. We move fast because the moment demands it, and we do so without lowering the bar.
Benefits & wellness
- Equity ownership (RSUs) in a growing, privately-owned company
- 100% employer-paid healthcare, vision, and dental insurance coverage for full-time employees (working 30+ hours per week) and their dependents. Full-time employees may also be eligible for voluntary insurance options where applicable in the respective country of employment
- 12 weeks of paid parental leave for both birthing and non-birthing caregivers, as well as an additional 6-8 weeks of pregnancy disability leave for birthing parents to be used before child bonding leave (note: where local requirements are more generous, employees receive the greater benefit); full-time employees also have access to family planning care and reimbursement
- Flexible PTO for all locations and sabbatical program
- Access to mental wellness and professional coaching, therapy, and Employee Assistance Program
- Monthly stipends to support work and wellness
- 401k plan or pension schemes (in countries where statutorily required), and other financial wellness benefits, like CPA and financial advisor coverage

At Playrix, a Junior Project Manager supports teams in developing people and processes and helps drive change. Weโre looking for someone ready to grow into managing development teams, who isnโt afraid of challenges, and who wants to contribute to world-class products alongside experienced colleagues.
Tasks
- Managing cross-functional development teams throughout the entire game production cycle: Youโll be involved in every stage โ from pre-production and artistic work to creating engineering perfection.
- Assist with planning, prioritization, and tracking of tasks.
- Monitor changes in product strategy and help identify areas for improvement.
Requirements
- Experience managing a team (even at a small scale)
- Practical experience in software development processes: planning, prioritization, quality control as a Project Manager, Business/System analyst, QA lead, or similar role.
- Technical background (education or experience as a developer/QA).
- Strong interest in people management and willingness to grow in this area.
- โโA genuine passion for games and their development is a big plus โ if youโre a gamer, thatโs a huge advantage.
Our Perks
Flexibility at work
- For most positions we offer a flexible schedule, and employees can work from anywhere in the world (except for the Russian Federation and the Republic of Belarus). You can do your work however and wherever you like โ we only evaluate your results.
Caring for health and well-being
- We provide voluntary health insurance for employees and their children, and reimburse online sessions with a psychologist.
- We offer fully paid vacation days and sick leave. In certain circumstances, you can request additional days off.
- We support leading a healthy lifestyle and reimburse the cost of gym memberships and fitness app subscriptions.
Professional development and education
- We pay for participation in specialized conferences and courses and hold our own internal conferences.
- We offer discounts on English language courses and courses for the languages of the countries in which the company operates.
Events and merch
- We regularly hold offline events like team meetings, big corporate parties, and informal office parties.
- We also regularly organize fun competitions, quizzes, hackathons, and online fitness challenges.
- We have a merch store with an internal currency you can use to buy unique gifts. We give out this currency as a gift for significant dates, and you can earn more by participating in events and company activities.

Darwin is a digital agency based in Washington, DC. We support clients and projects spanning various industries, organization sizes, missions, and visions. Our clients range from start-ups to big brands, from non-profit organizations to software platforms and commercial brands. At Darwin, we value proactivity, self-direction, and innovation.
Darwin is looking for a Digital Project Manager/Business Analyst to manage projects, elicit and manage requirements, grow client accounts, and assist with pre-sales and internal process improvement initiatives.
Your responsibilities will include:
- Leading day-to-day communication with clients โ from kickoff to delivery and support after.
- Managing several kinds of projects (website development, design, SEO optimization and analytics): timelines, budgets, deliverables.
- Eliciting and managing requirements for the projects. Translating client goals and needs into actionable tasks for our design, dev, SEO, and analytics teams.
- Creating project documentation: briefs, SOWs, BRDs, Roadmaps, Diagrams, and other PM/BA artifacts.
- Assisting in creating quotes and proposals.
- Keeping internal and external stakeholders aligned at every stage of the project.
- Spotting opportunities for upsells and supporting the sales process.
- Negotiating with the clients on the additional services.
- Tracking project performance, timeline, budget and ensuring work meets quality standards.
- Building long-term client relationships.
- Supporting strategic planning, client renewals, and new pitches.
Requirements:
- 5+ years of experience managing several client projects, preferably in an agency or client-facing environment.
- Adeptness at managing multiple (up to 4-6) projects in parallel (2 midsize + 2-4 small).
- Experience in eliciting, modeling, documenting and managing requirements.
- Knowledge of the website development lifecycle (SDLC) and how it applies to custom CMS builds.
- Knowledge of best practice design principles (UI/UX).
- Experience with content management systems such as Drupal, WordPress and others.
- Experience with marketing automation platforms like Salesforce, Eloqua, Marketo, HubSpot, etc.
- Experience with project management tools (Jira, Trello, Asana) and product roadmapping tools (Miro).
- Adeptness at building relationships with entry-level client staff up to C-level stakeholders.
- The ability to align working hours as closely as possible with the EST timezone (9:00 AM โ 5:00 PM).
- Experience with sales, pre-sales calls, workshops, onboarding new clients.
- Excellent written and spoken English (C1-C2).
- Optional but great to have: knowledge of SEO, web analytics and basics of QA.
- Optional but great to have: relevant certifications (e.g., PMI, IIBA, Scrum.org, etc.).
What Darwin offers:
- Competitive salary (based on your experience).
- Annual bonus based on the company year's results.
- Fully remote work with possibility to work from anywhere.
- Direct access, consulting and mentorship from the COO, CEO.
- Opportunity for development and career growth.
- Opportunity to gain hands-on experience in a dynamic team.
- Opportunity to be at the forefront of the digital.
- Supportive team culture built on respect and open feedback.
How to apply:โ
If you want to join our team, send your resume and a brief cover letter to mail.

We are looking for a Customer Support Specialist to join the Bitsgap customer support team. Since most of our clients are from Tier 1 countries, an ideal candidate would be from Asia/LatAm or any other location ready to work night shifts (Moscow time).
โWhat youโll do:โ
- Respond to incoming user requests exclusively in written form.
- Provide consultations to users on all aspects of the product and its individual features.
- Process user requests.
- Collect and pass incident information to another team.
- Participate in team projects to improve customer support service (team syncs, community support via Telegram, help with documentation and articles, onboarding calls).
โYouโre the perfect candidate if you:โ
- have experience in the crypto industry and are familiar with basic terminology;
- are not afraid of multitasking and enjoy it;
- are stress-resistant and polite;
- are able to improvise in unusual situations.
โWe expect:โ
- Fluent Russian and English (B2 or higher).
- Knowledge of other languages (Spanish, Portuguese, Korean, German) is a plus.
- High typing speed without grammar mistakes.
- At least 1 year of experience in customer support or client service.
- Understanding and interest in the crypto trading industry.
- Readiness for routine work and ability to keep yourself productive.
- Willingness to go through intensive training.

We are seeking a talented and innovative Ad Creative Producer to join our dynamic marketing team at Ruby Labs. This full-time role is central to driving our advertising creative process across multiple consumer-focused brands. You will be responsible for developing new ad concepts, managing production timelines, and collaborating with various teams to ensure that our creatives not only captivate but also convert. As a key player in the ad production lifecycle, you will work directly under the Ad Creative Lead and maintain close coordination with User Acquisition Managers to refine and optimize our advertising strategies based on performance data.
Key Responsibilities
- Creative Development:
- Lead the ideation and conceptualization of new ad creatives that resonate with diverse audiences, with an emphasis on strategies that enhance customer acquisition.
- Stay ahead of industry trends to integrate innovative elements into creative production, ensuring our creatives are captivating and effectively convert viewers into customers.
- Collaborate with design teams to transform ideas into compelling ad creatives that align with brand values and effectively meet campaign goals.
- Project Management:
- Oversee the production process to ensure all projects are delivered on time and meet the creative vision, with particular attention to optimizing the impact on customer acquisition.
- Coordinate with designers, user acquisition managers, and other team members to ensure smooth workflow and high-quality outputs.
- Performance Analysis:
- Work closely with User Acquisition Managers to analyze the performance of ad creatives across various platforms, identifying those that best contribute to customer acquisition.
- Generate and test hypotheses in A/B testing to refine creatives, with a focus on optimizing conversion rates and improving overall campaign performance.
- Provide regular reports to the Ad Creative Lead on the impact and effectiveness of ad creatives, highlighting their role in driving customer acquisition.
- Market and Competitor Analysis:
- Conduct thorough competitor research to understand market benchmarks and creative standards, particularly those successful in acquiring customers.
- Identify emerging trends in ad creative production and propose innovative solutions to leverage these trends for better market positioning and customer engagement.
- Collaborative Efforts:
- Liaise between creative teams and user acquisition managers to ensure that ad creatives are optimized for performance based on real-time data.
- Facilitate brainstorming sessions that encourage a culture of creativity and continuous improvement, aimed at boosting customer acquisition and retention.
Qualifications
Experience:
- 3+ years of experience in creative production or a similar role, preferably in a tech-focused or consumer product company.
- Proven track record of managing creative projects from inception to completion.
- Strong portfolio demonstrating expertise in producing high-performing digital ads.
Technical Skills:
- Expertise in digital advertising platforms and understanding of performance metrics.
- Proficiency in project management tools and collaboration software.
- Ability to perform data analysis to draw actionable insights from campaign results.
- Up-to-date knowledge of AI tools used in creative production, with the ability to leverage them effectively to generate innovative ad creatives.
Personal Qualities:
- Strong creative vision with the ability to think out of the box and challenge the status quo.
- Excellent communication and interpersonal skills to manage diverse teams and stakeholders.
- Detail-oriented with strong organizational skills to manage multiple projects simultaneously.
Adaptability:
- Ability to quickly adapt to new technologies and changes in the digital marketing landscape.
- Willingness to experiment with new creative ideas and approaches to advertising.
Location
Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ยฑ 4 hours of CET. This ensures optimal collaboration and communication during working hours.
Benefits
Discover the perks of being part of our vibrant team! We offer:
- Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance.
- Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days.
- Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge.
- Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them.
- Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere.
Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth!
Interview Process
After submitting your application, we conduct a thorough review which typically takes 3 to 5 days, but may occasionally take longer due to the volume of applications received. If we see a potential fit, we proceed with the following steps:
- Recruiter Screening (40 minutes)
- Task Assignment
- Final Interview (60 minutes)

We are looking for a Senior Sales Manager to join our team.We are launching a product in the live chat, communications, and customer analytics segment (chats, CRM integrations, customer support and acquisition systems). Our goal is to secure the first sales and build a sustainable go-to-market process. We are looking for a Sales/Business Development professional who understands the mechanics of B2B SaaS sales โ from the first calls and emails to closing deals. The focus will be on working with small and medium-sized businesses as well as digital agencies.
โResponsibilities:โ
- Participation in the product launch from day one with the opportunity to influence the sales strategy.
- Driving first sales: from lead generation and qualification to demos and contract signing.
- Developing and testing go-to-market hypotheses.
- Creating and refining communication scripts with clients (chat, calls, emails).
- Collecting feedback from early customers and translating it into product requirements for the team.
- Building a knowledge base about the market: competitive advantages, effective channels, client reactions.
- Developing a โquick winโ pipeline to deliver first results within 1โ2 months.
Requirements:โ
- Experience in sales, marketing, or business development.
- Deep understanding of SaaS communications product logic: from chats and CRM to email marketing and integrations.
- Strong negotiation skills and proven experience in independently closing B2B deals.
- Knowledge of motivation systems and KPIs used in sales teams at competitors (and the ability to apply them in practice).
- Confident English for working with international clients will be an advantage.
Nice to have:โ
- Experience building a sales department from scratch.
- Experience with lead generation channels: paid ads, partnerships, SaaS marketplaces.
- Personal network in digital agencies, e-commerce, and among CRM integrators.
- Understanding of SaaS unit economics. Experience working in both B2B and B2B2C models.
We offer:โ
- High salary (plus performance bonuses and salary revision regularly);
- Remote work;
- Work schedule: Mon-Fri (8 hours per day) with flexible starting hours;
- 24 days holiday leave;
- Corporate English lessons;
- Exciting work challenges that allow you to grow to your full potential;
- A strong team of like-minded professionals who will be by your side to accomplish ambitious projects, stimulate your professional development and bring experience.

Weโre looking for a Business Intelligence Analyst to join our growing team!
About The Role:
Weโre seeking a data-driven Business Intelligence Analyst to turn blockchain and product data into clear, actionable insights that drive growth, retention, and risk controls across our crypto-enabled iGaming products. Youโll own the end-to-end analytics stack for wallet funnels, wagering behavior, lifecycle marketing, and complianceโusing SQL, dbt, Python, Amplitude, and Tableau as your primary tools.
Key Responsibilities:
- Design, build, and iterate on Tableau dashboards that surface core KPIs (GGR/NGR, ARPU, LTV, churn, depositโwager conversion, fraud loss rate).
- Write production-grade SQL (CTEs, window functions, incremental models) to model clean datasets from ClickHouse and on-chain tables.
- Use Python (pandas, seaborn, scikit-learn, SciPy) for analysis, data quality checks, lightweight ETL/backfills, API integrations (e.g., blockchain providers), and automation.
- Work with on-chain data: parse EVM logs and token transfers (ERC-20/721), join labeled-address datasets, analyze exchange/bridge flows, gas/fee dynamics, and wallet clustering.
- Own crypto wallet analytics across the funnel (custodial vs. non-custodial, deposits/withdrawals, conversion to first deposit).
- Partner with Product, Marketing/CRM, Risk/Compliance, and Engineering to define event schemas and tracking plans; ensure data quality, lineage, and documentation.
- Design and analyze experiments (A/B and holdouts), cohorts, and attribution within iGaming and regional compliance constraints.
- Investigate anomalies (bonus abuse, bot usage, arbitrage, suspicious wallet rings) and recommend mitigations.
- Automate recurring reporting and alerting for KPI movements.
Qualifications:
- Experience: Minimum 2 years in Business Intelligence or Data Analytics; prior exposure to crypto or iGaming strongly preferred.
- Ownership & Impact: Demonstrated ability to build robust analytics infrastructure and scalable self-serve data products.
- SQL: Advanced proficiency with complex joins, window functions, performance optimization, and dimensional data modeling.
- Tableau: Expert use of LOD expressions, parameters, actions, data modeling, extract vs. live strategies, and dashboard performance tuning.
- dbt: Hands-on experience with environments, sources/exposures, testing, documentation, and CI/CD integration.
- Python: Proficient in analytics and data engineering (e.g., pandas); capable of writing modular, maintainable code, integrating with APIs, and scheduling lightweight jobs.
- Crypto Domain: Practical understanding of crypto wallets and transaction flows, including custodial vs. non-custodial models and WalletConnect/MetaMask.
Preferred Qualifications:
- Experience with dbt Cloud, data quality tooling (Great Expectations, Monte Carlo), and workflow orchestration (Airflow, Prefect).
- Demonstrated ability to perform on-chain analytics using platforms such as Dune, Flipside, Goldsky, or Nansen, or via self-indexed data; familiarity with contract ABIs and entity/address labeling.
- Hands-on experience with modern data warehouses and object storage, including ClickHouse, AWS, and Amazon S3.
- Working knowledge of data governance and privacy standards (e.g., GDPR), including data minimization and retention policies.
- Strong understanding of iGaming economics and KPIs: deposits, wagers, hold, GGR/NGR, RTP, bonus efficiency, responsible gaming metrics, and common fraud/AML patterns.
- Familiarity with product analytics platforms (Amplitude, Mixpanel, Google Analytics).

Ciklum is looking for a Middle Backend Engineer to join our team full-time in Poland.
We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.
About the role:โ
As a Middle Backend Engineer, become a part of a cross-functional development team engineering experiences of tomorrow.
Responsibilities:
- Develop and maintain secure, scalable APIs and services on AWS using TypeScript.
- Write clean, efficient, and testable code for both backend and frontend applications.
- Collaborate closely with senior engineers, product managers, and designers to translate requirements into technical solutions.
- Implement security best practices in your code to protect user data and ensure platform integrity.
- Contribute to the entire development lifecycle, from planning and implementation to deployment and maintenance.
- Troubleshoot, debug, and upgrade existing software to enhance functionality and performance.
- Participate actively in code reviews, providing and receiving constructive feedback to maintain a high-quality codebase.
Requirements:
- 3+ years of professional experience in backend development.
- Strong proficiency with TypeScript and Node.js.
- Experience building and consuming RESTful or GraphQL APIs.
- Experience with core AWS services (e.g., Lambda, SQS, API Gateway, S3).
- Familiarity with containerization using Docker.
- Experience with NoSQL (e.g., MongoDB, DynamoDB) and/or relational (e.g., PostgreSQL) databases.
- A good understanding of web security principles and best practices.
- Strong problem-solving skills and a passion for writing quality code.
- Upper-intermediate or higher level of spoken and written English.
Desirable:
- Hands-on expertise in React.
- Familiarity with CI/CD practices and tools (e.g., Jenkins, GitLab CI, GitHub Actions).
- Experience with monitoring and logging tools (e.g., CloudWatch, Datadog).
- Working experience with .Net or Python is a plus.
- Experience with GCP and services like BigQuery.
What`s in it for you?
- Strong community: Work alongside top professionals in a friendly, open-door environment
- Growth focus: Take on large-scale projects with a global impact and expand your expertise
- Tailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certifications
- Endless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologies
- Flexibility: Enjoy flexibility โ full remote working possibilities
- Care: Weโve got you covered with company-paid medical insurance, mental health support, and financial & legal consultations

We are currently looking for a Middle Python Engineer for our flagship project, Happy Color.
Key Responsibilities:
Data/Workflow:
- Develop and maintain DAGs in Airflow: sensors, custom operators, retries/SLAs, dependent pipelines.
- Integrate with external APIs/databases, ensure reliable error handling, idempotency, scheduling, and manage secrets.
Automation:
- Create scripts and services in Python (CLI, bots, utilities) to automate manual processes within teams.
- Develop small internal services/adapters (FastAPI/Flask).
Observability and Stability:
- Implement metrics/logs/traces using Prometheus/OpenTelemetry, Sentry; set up alerts and SLO/SLI.
- Create dashboards in Grafana: data sources, variables, alerts, business and technical metrics.
- Perform synthetic checks (health/e2e) and establish regression gates in CI.
AI and Prompts: - Design and iterate prompts (OpenAI), manage versions, and conduct experiments.
- Develop small pipelines/chains (LangChain/custom wrappers), handle retries, caching, and control costs and quality.
- Implement basic guardrails: validations, restrictions, data privacy.
Quality and Processes: - Manage CI/CD using GitLab CI, handle artifacts, environment configurations, and test infrastructure.
- Maintain documentation, manage incident workflows, and conduct postmortems.
Requirements:
- 2+ years of commercial experience as a Python engineer or QA Automation.
- Proficient in Python: standard library, requests/asyncio, type hinting, packaging (poetry/pip), pytest.
- 1+ year of experience with Airflow: DAGs, operators/sensors, dependencies, retries, variables/connections, task monitoring.
- SQL proficiency in writing efficient queries; experience with PostgreSQL/MySQL; basic knowledge of Redis is a plus.
- Monitoring experience: Grafana (dashboards/variables/alerts), Prometheus/Alertmanager, Sentry.
- Process automation: integrating with HTTP APIs, cron/orchestration, small utilities and bots.
- Basic skills with AI providers: OpenAI/Anthropic, prompt engineering, quality/cost assessment.
- Engineering practices: Docker, Git, code reviews, clean code, documentation.
- Communication skills: ability to gather requirements, decompose tasks, and explain solutions.
Preferred Qualifications:
- Experience with FastAPI.
- Knowledge of OpenTelemetry, Loki, Grafana Alerting/Contact Points/Annotations.
- QA expertise: Playwright for synthetic testing, contract tests (OpenAPI/Pact).
- Load testing experience: k6.
- Familiarity with cloud platforms: AWS, basic Helm.
- Experience with feature flags.
What We Offer:
- Competitive salary and benefits package.
- Opportunity to work with a talented and passionate team in a creative and dynamic environment.
- Flexible working hours and remote/office work options.
- Career growth and professional development opportunities.
- A fun and inclusive company culture that celebrates diversity and creativity.

Ruby Labs is looking for a Junior Golang Developer who will be responsible for building scalable and high-performing backend services. Develop, test, maintain, and improve our billing system. You will be a part of a cross-functional team, including engineers and product managers, focused on delivering results in a consistent, sustainable way. The successful candidate will have a passion for innovation, staying up-to-date with emerging technologies, and excellent communication and collaboration skills to work in a cross-functional team in a remote environment.
Key Responsibilities
- Software Development: Participate in the solution development and maintenance of high-performance backend services and applications using Golang.
- Microservices Architecture: Architect, implement, and optimize microservices-based applications, ensuring scalability, reliability, and maintainability.
- Container Orchestration: Collaborate with the DevOps team to deploy and manage Golang applications in Kubernetes clusters using Helm for efficient package management.
- Database Management: Design and optimize database schemas, queries, and transactions, specifically using Postgres. Ensure data integrity, performance, and scalability. Additionally, use Redis to improve application performance.
- Billing System: Develop and enhance the billing system to ensure accurate and timely processing of financial transactions.
- Code Review: Conduct code reviews to ensure code quality, best practices, and adherence to coding standards.
- Collaboration: Collaborate within the cross-functional team, including DevOps, Backend and Frontend developers, QA and product management to understand requirements and deliver high-quality software solutions. Documentation: Maintain comprehensive documentation for code, architecture, and processes to facilitate knowledge transfer and onboarding of team members.
- Testing: Ensure decent Unit test coverage of the applications and participate in keeping the autotest suite up-to-date.
Qualifications
- Experience: Minimum of 1 year of professional experience in development as a Golang developer, with a proven track record of delivering scalable and robust solutions.
- Golang: Expertise in Golang, with a deep understanding of its concurrency model, frameworks, and best practices.
- Microservices: Experience in designing, developing, and maintaining microservices architectures.
- Database Skills: Proficient in designing and optimizing databases, particularly with Postgres.
- Collaboration: Excellent communication skills and the ability to work collaboratively in a team environment.
- Problem-Solving: Strong problem-solving skills and the ability to think critically about complex technical challenges.
Nice to have
- Billing Systems: Previous involvement in the development and maintenance of billing systems.
- Cloud solutions: Experience using AWS services
- Database Skills: Experience using NoSQL databases
Location
Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ยฑ 4 hours of CET. This ensures optimal collaboration and communication during working hours.
Benefits
Discover the perks of being part of our vibrant team! We offer:
- Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance.
- Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days.
- Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge.
- Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them.
- Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere.
Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth!
Interview Process
After submitting your application, we conduct a thorough review which typically takes 3 to 5 days, but may occasionally take longer due to the volume of applications received. If we see a potential fit, we proceed with the following steps:
- Recruiter Screening (40 minutes)
- Technical Interview (90 minutes)
- Final Interview (60 minutes)

Right now we are looking for a talented iOS Developer who will join the Innovation Department โ where new product ideas are born, tested, and shipped fast.
Push the pace of innovation and build a future of a healthier world with us!
Key Responsibilities:
- Work on the frontlines of product development โ turning raw ideas into functional prototypes and MVPs with real users in mind;
- Take full ownership of features from concept to code โ often without rigid specs or long planning cycles;
- Create beautiful, exciting UI that feels alive โ not just functional, but emotionally engaging;
- Explore new technologies, APIs, interactions โ and build things that havenโt been done before;
- Collaborate with product, design, and research โ but without bureaucracy or slow loops;
- Move fast: this role is not about endless โpixel pushingโ or tweaking paddings for weeks โ itโs about designing bold, gorgeous, high-impact experiences that matter.
What weโre looking for:
- You genuinely love iOS โ and have a passion for beautiful interfaces, smooth animations, delightful interactions;
- Youโve shipped your own apps to the App Store (or built something end-to-end);
- You enjoy hackathons, side-projects, or just building cool stuff for the sake of it;
- You thrive when given freedom and trust โ and youโre excited to shape the future of the product, not just maintain the past;
- You move fast, think like a maker, and see constraints as fuel, not friction.
Our current tech stack:
- Swift
- SwiftUI
- GRDB
- PinLayout
Weโve recently migrated to SwiftUI and async/await as part of our modernization efforts. Our minimum deployment target is iOS 17.5, so youโll get to work with the latest APIs without legacy constraints.
Perks and Benefits:
- Open-minded teams, a welcoming and inclusive company culture, plus the opportunity to make a real difference with a game-changing health tech product;
- A competitive salary package based on your unique expertise, skillset, and impact on the product plus stock options;
- In-office or hybrid work (3 days in office) opportunities;
- Relocation package (Cyprus) - optional;
- The equipment whatever you need to be happy and productive;
- A premium SIMPLE subscription;
- 21 days annual leave, plus bank holidays (those observed where you live);
- Flexible hours. We focus on your results, not how long you spend at your desk.

Our business is expanding, and we seek a Senior Rendering Engineer to help us improve Altium products.
A Day in the Life of Our Senior Rendering Engineer:
- Innovative Code Development: Design, develop, and optimize rendering systems for real-time applications.
- Algorithm Mastery: Develop cutting-edge algorithms and specifications that form the backbone of our software solutions.
- Ongoing Support: Provide invaluable support for existing source code across a spectrum of products, ensuring their continued success in the market.
Who Weโre Looking For:
- Seasoned Expertise: Min. 5 years experience in software development.
- Language Proficiency: Strong C++, C#, and shader languages like HLSL and GLSL.
- Experience with rendering APIs: DirectX 11/12 and OpenGL/WebGL.
- Rendering: Deep understanding of real-time rendering techniques and GPU architectures.
- Strong mathematical skills: Linear algebra, vector math, and transformations.
- Modern Techniques: Demonstrate your proficiency in modern programming techniques and patterns, showcasing your adaptability and innovation.
- Optimization Acumen: Experience with performance profiling and debugging tools like PIX, NSight, RenderDoc.
- Cross-Platform Expertise: Showcase your capability in writing efficient, compact, and cross-platform code, ensuring our solutions are accessible and versatile.
- Algorithmic Fluency: Exhibit a deep understanding of algorithms and data structures, with hands-on experience in complexity analysis.
- Modular Design: Highlight your expertise in designing and implementing modular, easily extensible solutions that pave the way for future growth and development.
- Communication Skills: Ability to effectively communicate in English, both written and verbal, within a professional environment, ensuring seamless collaboration and understanding.
Benefits
- Private medical insurance ย
- Group life insurance
- Contributions to your Kafeteria MyBenefit account
- nilo.health, mental health and wellbeing support
- Professional development support
- Performance bonuses ย
- Home internet allowance
- Flexible working arrangements available based on role and location
- Free lunch on Tuesdays, snacks and drinks
- Free Parking

As a Technical Account Manager, youโll be the trusted advisor for a portfolio of Altiumโs Enterprise customers, ensuring their success with our solutions. Youโll build deep relationships, resolve technical challenges, and guide customers in optimizing Altiumโs tools for their unique workflows. By collaborating with R&D, Support, and Sales, youโll drive adoption, uncover growth opportunities, and advocate for customer needsโdirectly impacting their satisfaction and Altiumโs revenue. This role combines technical expertise with strategic account management, perfect for someone passionate about solving complex problems and fostering long-term customer success.โ
A Day in The Life of Our Technical Account Manager:
- Be the primary technical contact for Enterprise customers, ensuring their success with Altium solutions
- Build trusted relationships and guide customers on implementation, integration, and optimization
- Troubleshoot technical issues, escalate to R&D when needed, and drive resolutions
- Identify growth opportunities and lead strategic business reviews
- Collaborate with Sales, Support, and R&D to align customer needs with product development
- Advocate for customers internally and provide actionable feedback
- Monitor customer health and mitigate risks to drive retentionโ
Who you are and what youโll need for this position:
- Bachelor's/Master's in Electrical/Mechanical Engineering or equivalent experience
- 3+ years in technical account management, customer success, or ECAD/EDA client-facing roles
- Hands-on Altium product experience preferred
- Strong problem-solving and project management skills
- Excellent communicator who can simplify technical conceptsโ
The salary range for this role is $109,000 to $130,000. Actual compensation packages within this range are based on a wide array of factors unique to each candidate and role requirements, including but not limited to skill set, years and depth of experience, certifications, and specific location.
โUnited States Benefits:
- Medical, Dental, Vision Plans and HSA and FSA accounts
- Basic Life and AD&D insurance; disability coverage where applicable ย
- Retirement 401(k) Plan Option with Altium match
- Paid holidays plus a โChoice Dayโ off per quarter ย ย ย
- Paid time-off on arising schedule upon key milestones
- Sick time for Dr. appointments or family health needs ย
- Family medical, maternity, paternity, and military leave
- Flexible working arrangements available based on role and location
- Employee referral and employee-of-the-month programs ย
- Home internet allowance
- Professional development support
- Free lunch, snacks, and drinks in the office
- Free parking

Responsibilities
- Create services from scratch and support existing ones;
- Work closely with core backend team and RND department to build ML solutions into production;
- Develop HL architecture;
- Supervise the process of delivering the feature to the user;
- Work closely with gRPC;
- Develop data storage schemas;
- Participate in creating a backend culture in the company.
Requirements
- Experience in Python3 development from 3 years;
- Experience and understanding of synchronization principles in asynchronous programming: multithreading, multiprocessing, asyncio;
- Experience with PostgreSQL or other RDBMS for 2 years or more;
- Ability to write and raw SQL query and using ORM. Understanding of the need to use one or another type of index in different situations;
- Experience creating RPC API/REST API;
- Experience with Kafka/RabbitMQ or other message brokers;
- Experience with FastAPI/Django/Flask or other Python web frameworks.
How we hire:
- HR interview
- Tech interview
- Final interview ะกะขะ
- Reference check
Conditions:
- Professional development โ paid training and courses, online / offline lectures, workshops and trainings. Our employees take part in all major IT meetups;
- Adaptation โ qualitative onboarding, we help to quickly and smoothly solve all problems. regularly collect feedback throughout the trial period;
- Career development โ Review is conducted every 6 months, we monitor results and help improve performance;
- Balance between work and personal life โ ability to conveniently build your work schedule, take vacations and days o๏ฌ without a bunch of approvals and bureaucracy;
- Health โ extended voluntary health insurance (on the territory of Montenegro);
- Office space โ a cool office in Montenegro, with comfortable workplaces and lounge areas;
- Relocation โ we o๏ฌer a full package of documents for those who are ready to move to Montenegro, and we help with obtaining a residence permit;
- Prequel+ โ premium access to the entire Prequel product.

We are looking for a Senior Product Manager, Anti-Fraud & Compliance to lead the development of innovative risk and compliance solutions. In this role, you will own the design, delivery, and optimization of systems that protect against money laundering, fraud, and regulatory non-compliance. You will work at the intersection of compliance, risk, and technology, shaping products that safeguard the business while supporting scalable growth.
What you will be doing
- Own end-to-end design, development, and rollout of AML/CFT, fraud prevention, sanctions screening, and customer risk assessment systems.
- Collaborate with compliance, fraud, and engineering teams to ensure regulatory adherence, operational efficiency, and scalable architecture.
- Balance regulatory requirements with product usability and business needs.
- Integrate and unify multiple risk, fraud, and compliance tools into a scalable platform.
- Define and drive product vision, strategy, roadmap, and KPIs aligned with compliance and business goals.
- Manage stakeholder expectations across compliance, risk, engineering, and fraud teams.
- Continuously improve decisioning, alert workflows, and regulatory reporting processes.
What you will need
- Proven experience in product management within AML/CFT, fraud prevention, or risk solutions.
- Hands-on experience building and launching internal risk & anti-fraud platforms.
- Experience integrating third-party AML/Anti-fraud tools or developing in-house systems.
- Strong knowledge of AML/CFT regulations (e.g., FATF, CBUAE, SAMA) and industry best practices.
- Familiarity with real-time decision engines, sanctions screening, alert workflows, and regulatory reporting requirements.
- Strong stakeholder management and collaboration skills across compliance, risk, engineering, and business functions.
- Ability to define clear product vision, roadmap, and measurable outcomes.
Job Benefits
Relocation and Employment
We offer remote work from anywhere in the world (our schedule is based on Dubai time though) and are happy to work out an individual relocation plan for you.Our employees have the opportunity to choose a country for registration: at the moment those are Armenia, Georgia, Serbia, Portugal, Spain, UAE.
What you can expect
- We offer flexible working hours and trust you to work enough hours to do your job well, at times that suit you and your team.
- A working environment that gives you autonomy and responsibility from day one.
- You should be comfortable with the idea that the quality of your work will influence the shape of your career.
- Participation in the companyโs employee stock options program.
- Health Insurance
We are passionate about creating an inclusive, high-performing workplace that gives people from all backgrounds the support they need to thrive, grow, and meet their goals (whatever they may be).
If this sounds exciting to you, weโd love to hear from you!

We are looking for a skilled Blockchain Developer to build and enhance the TON smart contracts for Doggverse โ a core infrastructure product enabling secure and seamless interaction between wallets and decentralized applications in the TON ecosystem. With your expertise, we aim to scale the protocol, improve security and performance, and deliver a reliable experience to millions of users worldwide.
Responsibilities:
- Design, implement, and ship TON smart contracts with clean APIs and secure distribution.
- Build core metaverse flows: NFT minting, shared land purchasing, send/receive, and stable dApp connections (TON Connect).
- Deliver assets & history: balances, tokens/jettons, NFTs, and accurate transaction previews/emulation.
- Ensure security, performance, and reliability; maintain robust automated tests and sample integration apps.
Requirements:
- 5+ years blockchain development with FunC/Tact or similar (Solidity experience a plus).
- Strong networking & concurrency, long-lived connections, retry/backoff; background processes mastery.
- Offline-first persistence: databases, schema/versioning, data caching.
- Security fundamentals: secure key handling, hardware-backed keys.
- Performance & quality: profiling, unit/integration tests, CI.
- Clear technical communication in English.
Nice-to-have:
- Web3/TON exposure: mnemonics/derivation, signing, tokens/NFTs, TON Connect/WalletConnect, TonCenter v3.
- Event-driven/reliable messaging: queues, retries, idempotency, offline event stores.
- Auth UX: Biometrics, passkeys/FIDO2, secure session design.
- Telemetry/analytics for smart contracts; open-source contributions.
- Deep integration with TON mini apps.
Why it is a fantastic opportunity:
- Our business is growing at an exponential scale.
- Non-bureaucratic management that focuses on results.
- Regular performance reviews to assess your progress.
- Remote setup with access to our hubs if needed.
- Compensation for medical expenses.
- Provision of necessary equipment.
- 20 working days of paid vacation annually.
- 11 days off per year.
- 14 days of paid sick leave to support your health and recovery when needed.
- Access to internal conferences, English courses, and corporate events.
- Payment starts after Christmas (December 2025), with potential $DOGG token incentives.