Remote 💻 Development Jobs

We are looking for a talented Senior PHP Developer to join us in our office in Cyprus or remotely.

Tech stack: PHP 8.2+, Symfony 6.4+, PHPUnit, Temporal, RoadRunner, PostgreSQL, Swagger/OpenApi, Docker, Composer, GitLab CI

Responsibilities:

• Development and maintenance of the server-side of a fintech product
• Development of libraries
• Integration with various external systems
• Service optimization for high-load scenarios

Key competencies:

• 3+ years of commercial PHP development experience
• Experience working on fintech projects
• Strong knowledge of OOP and practical application of design patterns
• Experience in designing high-load systems
• Experience with PHP-based MVC frameworks
• Code optimization experience and working with various data stores (relational databases, key-value stores)
  

Preferred qualifications:

• Experience with Docker and Event Sourcing
• Experience with columnar databases
• Experience in maintaining Swagger documentation
• Experience in collecting Prometheus metrics
• Experience with Grafana / Kibana services

We offer:

• Remote work or relocation to Cyprus, relocation assistance to Cyprus
• Compensation for English or Greek classes
• Health insurance (only for Cyprus)
• Office lunches (only for Cyprus)
• Flexible start of the working day

We are Fluxon, a product development team founded by ex-Googlers and startup founders. We offer full-cycle software development: from ideation and design to build and go-to-market. We partner with visionary companies, ranging from fast-growing startups to tech leaders like Google and Stripe, to turn bold ideas into products with the power to transform the world.

The role is open to candidates based in Portugal preferably in Lisbon.

About the role

As a Senior Frontend Engineer at Fluxon, you’ll create and deliver beautiful user experiences for our clients.

You’ll be responsible for building and iterating on software from design to launch by:

• Clarifying requirements and UI design in partnership with our Product and Design teams
• Collaborate closely with designers to ensure a high level of UX polish and interaction quality in everything you build
• Breaking down goals into achievable tasks and following sprint timelines effectively
• Proactively communicating progress and challenges in your work
• Learning fast and working independently and reliably
• Following best practices in frontend development, including efficient component architecture, responsive design patterns, state management best practices, comprehensive unit/integration testing, and optimizing for performance and accessibility
• Implement meaningful motion and microinteractions that enhance usability and delight

Technologies we frequently work with include:

• Frameworks
  • Next.js, React, Angular, Vue.js
• Programming
  • Typescript/JS, CSS
• Styling
  • Tailwind CSS, Material UI, Chakra UI, Shadcn
• Design Tools
  • Figma
• State Management
  • Redux, Zustand, Jotai
• Mobile Development
  • React Native/Expo, Progressive Web Apps (PWAs)
• Backend Integration
  • REST APIs, GraphQL, WebSockets

Qualifications

• 6+ years of professional experience in frontend development
• Fluency in TypeScript/JavaScript, HTML, CSS, and modern web development practices
• Expertise with at least one modern frontend framework (React, Angular, or Next.js) with a passion for continuous learning
• Experience in building highly-performant and scalable web applications
• Strong understanding of responsive design and mobile-first approaches
• Strong sense of UX and interaction design
• Proactive, can-do attitude with a creative approach to problem solving
• Comfortable in a client-facing consulting role
• Experience with Design Systems and building accessible products is a plus

What we offer

• Exposure to high-profile SV startups and enterprise companies
• Competitive salary
• Fully remote work with flexible hours
• Flexible paid time off
• Profit-sharing program
• Healthcare
• Parental leave, including adoption and fostering
• Gym membership and tuition reimbursement
• Hands-on career development

We're looking for a Senior Web Developer to join our team that builds and scales high-load user-facing web services, including game accounts, payments, notifications, and our core game website. These systems are mission-critical, serving millions of players globally.

You'll work in a high-ownership environment, driving engineering decisions and helping shape systems that are robust, observable, and built to scale. We value initiative, technical leadership, and a drive to create elegant systems that bring real value to players.

The current application stack is written in Node.js 22 (NestJS) and PHP 8.3 (Phalcon), deployed using Ansible, with a small portion of the applications migrated to K8s.

Tasks to be solved:

• Designing and implementing our client entry point and maintenance system.
• Reducing technical debt by driving architectural improvements, establishing code standards, and introducing best practices.
• Refactoring and scaling existing services: accounts, payments, notifications, and the game website.
• Building and maintaining robust monitoring, logging, and alerting systems to ensure production reliability.
• Contributing to cross-team technical discussions, design reviews, and system evolution planning.

Job requirements

• 5+ years of commercial backend development experience in Node.js/PHP.
• Practical experience in software design: SOLID, YAGNI/KISS/DRY, patterns.
• The ability to participate in creating or reviewing architectural documentation (ADRs/RFCs).
• Databases: experience with relational and NoSQL databases, caching, and cache invalidation
• Testing: Writing unit and integration tests.
• Networking & Concurrency: TCP/HTTP, RPC (gRPC/protobuf/JsonRPC).
• Observability: Prometheus/InfluxDB, Grafana, or analogs.
• Basic knowledge and practical experience with CI/CD pipelines.
• Confident knowledge of Docker and an understanding of Kubernetes principles.

You’re a great fit if you:

• Have designed, launched, and maintained complex distributed systems in production.
• Are comfortable troubleshooting real incidents and improving system reliability.
• Have led the development of a system from scratch to production and learned from failures.
• Are proactive, autonomous, and take end-to-end ownership of your work.
• Make decisions using metrics, trade-off analysis, and user-first thinking.

What we offer:

• The best team in the world!
• An excellent remuneration package, including a 13th salary.
• Full relocation coverage for you and your family to Cyprus (Limassol).
• A modern, sunny office close to the sea.
• Private health insurance for you and your family members.
• A monthly pre-school, school, and university allowance for employees' children.
• Lunch compensation.
• A sports and fitness allowance.
• Company-funded personal development opportunities (professional and language courses, books, etc.).
• Bonuses for outstanding results, years of service, marriage, and childbirth.
• Friendly monthly office parties and epic annual offsite company birthday and Christmas celebrations.

@CryptoBot is one of the largest products on Telegram for buying, selling, exchanging, and transferring cryptocurrency. We have an active international userbase, with a key trading volume in CIS countries. More than 2 million users use @CryptoBot every month. We are currently looking for a Fullstack Developer to build an internal analytics platform covering product analytics and key business metrics.

What youʼll be working on:

• Implementing new products to help users growth their funds.
• Designing and implementing an internal analytics platform – from data collection and processing to running scheduled queries and visualizing results with dashboards.
• Developing and designing internal components to prevent fraud (anti-fraud systems).
• Building internal components to streamline processes for the support team.
• Continuously improve existing tools to enhance performance, security, and scalability.
• Quickly identify, troubleshoot, and fix bugs to ensure the smooth operation of all systems.

What we expect from the candidate:

• At least 5 years of experience with Node.JS/JavaScript/TypeScript and MongoDB/Mongoose.
• Knowledge of Next.js/React would be a great plus!
• Independence. Ability to design database interfaces or APIs based on general tasks and propose improvements. Ability to see tasks through to completion.
• Responsibility and attention to detail in development – the cost of errors in our project can be significant.
• Basic understanding of blockchain technologies.
• Testing skills. Not only code but also the final interface.
• Fluent Russian.

What we offer:

• Remote work with a flexible schedule.
• 21 days of vacation and 7 days off / sick leave.
• No bureaucracy, no micromanagement – just clear goals and ownership of your work.
• A small, motivated team of young professionals (average age is 25).
• A mix of simple and complex technical challenges at the intersection of classic technologies and Web3: from designing and creating new anti-fraud services based on machine learning to developing REST APIs for external and internal bot components.
• Short time to market – we have no complex approval processes or bureaucracy, so features roll out very quickly.
• Youʼll be part of a small, strong team where good ideas are noticed and supported.

PandaDoc is looking for a Frontend developer to join our Growth Track. Its goal is to drive new customers to PandaDoc without direct marketing costs, optimize onboarding and personalize customer experience to support business goals. Activation and adoption are the main metrics we are focused on.

We are looking for people who believe in the PandaDoc culture and are ready to develop secure, reliable and scalable product solutions within our fast-growing business.

Are you adaptable, driven, and friendly? Do you thrive in a fast-paced work environment where collaboration is the norm? If the answer is yes, then you’re a Panda and we want you to join our team.

In this role, you will:

• Collaborate with teammates and write new code that meets product requirements
• Maintain existing well-formulated code and library components
• Review other team members code
• Participate in full application (feature) lifecycle from concept to release
• Collaborate with teams to understand product vision

About you:

• At least 3+ years of development experience with JS
• Strong understanding and experience in HTML, CSS and React/Redux
• Experimental Mindset: You have a strong interest in and experience with designing and running experiments (like A/B tests). You know how to propose alternatives for features, define success metrics, and iterate based on data.
• Experience in writing unit tests
• Experience in application performance management and code analysis
• Proactive problem-solver, willing to grow autonomous worker
• Passion for new technologies and ready to lead engineering initiatives to help the company reach its goals
• Comfortable with understanding/learning backend concepts

Benefits:

• An honest, open culture that emphasizes feedback and promotes professional and personal development
• An opportunity to work from anywhere — our team is distributed worldwide, from Lisbon to Manila, from Florida to California.
• An annual personal budget for educational classes, conferences, etc. — anything to further your professional knowledge
• An annual personal mental health budget - anything that helps you manage the stress (yoga, meditation apps etc.)
• 6 self-care days
• A competitive salary
• And much more!

Join our engineering team to design, build and maintain high-performance, memory-safe systems in Rust. You’ll shape our infrastructure, contribute to open-source, and drive technical decisions.

What You`ll Do:

• Architect, implement and optimize concurrent/parallel Rust applications
• Ensure code quality through testing, reviews and documentation
• Troubleshoot complex issues and improve existing codebases
• Drive system-level design discussions and tooling choices

What We`re Looking For:

• 5+ years software development, including 2+ years in Rust
• Deep understanding of ownership, borrowing and lifetimes
• Experience with async/await (Tokio), Serde, memory management and threading
• Familiarity with Git, containerization (Docker/Kubernetes) and TDD

Nice to Have:

• Blockchain or distributed-systems experience (gRPC, Kafka)
• Contributions to Rust open-source projects
• SQLx or other database integrations
• CI/CD and cloud platform (AWS/GCP/Azure) knowledge

Technical Assessment:

Selected candidates will be invited to complete a technical assessment that may include:

• Rust coding challenges focusing on memory safety and performance
• System design questions related to concurrent programming
• Code review exercises
• Technical discussion about Rust ecosystem and best practices

Why Join Us:

• Impact: Your work will directly impact how our clients access and utilize compute resources, driving the next generation of cloud-native infrastructure.
• Innovation: Work with the latest in container orchestration, virtualization, and multi-cloud technologies.
• Growth: Be part of a rapidly growing company with plenty of opportunities to advance your career.
• Culture: Join a collaborative, inclusive, and supportive work environment that values innovation and professional development.

Location: Remote

Commitment: Full-time

Benefits:

• Competitive compensation and equity options
• Remote-first, work from home or use a co-working space of your choice
• Friendly startup environment: no bureaucracy or time tracking
• We will provide you with anything you need to learn, grow, and be more productive

We are seeking a Platform Engineer with deep expertise in cloud infrastructure and a strong passion for AI-powered automation. This role goes beyond building infrastructure — we’re looking for someone who creates usable tools and automation frameworks and actively leverages AI to accelerate their own work. You will play a pivotal role in a company-wide initiative to redefine access to AI. Your mission will be to develop and operate a platform that enables teams to experiment with and deploy foundational models, AI models, intelligent agents, and automated workflows at scale. The ideal candidate is already incorporating AI tools (e.g., ChatGPT, GitHub Copilot, Claude, agent builders, etc.) into their daily workflow and has a clear understanding of how these tools can boost efficiency and productivity

Location:

Quantori is an international team: we have colleagues who work not only from office but also remotely from all over the world.

Responsibilities:

• Build internal tools, automation scripts, and developer-facing interfaces to enable AI-powered workflows
• Develop and maintain cloud-based infrastructure (AWS) to support hosting of foundational models and intelligent agents
• Implement Infrastructure-as-Code practices using Terraform/CDK
• Work closely with internal teams to embed AI capabilities into business processes via APIs, agents, or prompt workflows
• Contribute to reproducible, scalable, and observable environments for AI and automation use cases
• Promote and apply responsible automation practices across the engineering organization

What we expect:

• Proven software development experience (e.g., Python, TypeScript, or similar)
• Hands-on experience automating real-world processes or building internal tools
• Solid cloud infrastructure experience with AWS (EC2, IAM, S3, Lambda, CloudWatch, etc.)
• Experience with Terraform or CDK for provisioning infrastructure
• Familiarity with CI/CD pipelines and Git-based workflows
• Active use of AI tools for development, documentation, research, or automation
• Strong problem-solving mindset and ability to work autonomously across teams

Nice to have:

• Experience with Kubernetes (especially EKS) and Helm
• Exposure to foundational model hosting (e.g. HuggingFace, vLLM, Triton)
• Understanding of RAG pipelines, embeddings, and vector databases (e.g. Weaviate, Qdrant)
• Familiarity with AI automation libraries like LangChain, Haystack, or similar
• Observability stack: Prometheus, Grafana, OpenTelemetry

We offer:

• Competitive compensation
• Remote work
• Flexible working hours
• Work with a highly skilled and collaborative engineering team
• Opportunity to contribute to impactful, real-world healthcare solutions
• Contract until the end of the year, with possible extension based on project needs and performance

eTeacher Group is an EdTech pioneer and innovator that has been on the cutting edge of educational technology since its foundation. Today our company has grown to over 800 employees while we deliver high quality live courses to over 50,000 students a year on our online Learning Platform. Our strategy is to continue on our path of innovation to deliver personalized, outcome focused learning experiences, by leveraging AI technology and advanced teaching methodologies.

We are looking for a talented and experienced Senior Full-Stack Web Developer to join our growing technology team. In this role, you’ll be responsible for designing and implementing new features for our enterprise-level applications, optimizing existing systems, and maintaining legacy platforms. You will work closely with product managers and stakeholders to deliver high-impact solutions that support our mission in online education. This is a fully remote position.

Responsibilities:

• Design, develop, and deploy scalable full-stack web applications using C#, ASP.NET, and NET Core.
• Maintain and enhance legacy systems to ensure continued stability and performance.
• Optimize application performance, scalability, and security.
• Write clean, maintainable, and testable code following best practices.
• Work with AWS services and Git-based workflows for version control and deployments.
• ·Collaborate with cross-functional teams including product managers, QA, DevOps, and UX designers.
• Build intuitive front-end interfaces using HTML, CSS, and object-oriented JavaScript.
• Participate in code reviews and provide mentorship to junior developers.

Requirements:

• Bachelor’s degree in Computer Science, or equivalent experience.
• Proven ability to work independently in a remote setting, with strong time management, accountability, and a self-driven approach.
• 5+ years of experience in full-stack web development using relevant technologies.
• Strong proficiency in C#, ASP.NET, .NET Core, T-SQL, and JavaScript.
• Solid experience with HTML5, CSS3, and object-oriented JavaScript patterns.
• Experience working with AWS-based cloud environments.
• Proficient in Git version control and collaborative development tools.
• Strong understanding of software design principles and architecture patterns.
• Excellent communication and interpersonal skills.

Nice to Have

• Experience with EdTech or online learning platforms.
• Familiarity with modern JavaScript frameworks (e.g., React, Vue, Angular).
• Experience with VBScript and Classic ASP.
• Exposure to microservices or service-oriented architectures.

Why Join Us?

• Be part of a global EdTech company making a real impact on learners worldwide.
• Collaborate with talented, mission-driven professionals.
• Enjoy the flexibility of working fully remotely.
• Work on meaningful projects that combine education, technology, and innovation.

Excitingly, we're developing new products, including Busy Bar, which connects deeply with online services. This growth means that establishing a secure, resilient infrastructure with excellent monitoring is a critical area of focus for us right now.

Requirements

• Linux – advanced level: architectural knowledge, deployment, debugging
• K8S – advanced level: architecture, public and private clouds, networking (including service mesh), debugging
• Docker – packaging web services and auxiliary tools
• Observability – Monitoring (Zabbix/Nagios, etc), Logging (graylog, logstash, etc), Metrics (Prometheus) Networks – OSI Model, Linux network stack
• Python – for practical tasks related to automation of deployment, testing, monitoring
  

Nice-to-haves

• MacOS, Windows skills
• Knowledge of GitHub/GitLab CI/CD
• Experience configuring L2/L3 network equipment
  

Your responsibilites

• Managing Flipper Devices infrastructure and k8s
• Improving infrastructure access control policies
• Reviewing and improving deployment automation processes
• Expanding existing monitoring systems
• Building processes for regular infrastructure audits
• Incident management
  

What we offer

• Choose your work format: office, hybrid, or fully remote from anywhere in the world
• You will be provided with all the necessary equipment for a comfortable working environment
• Benefits such as VHI, corporate sports, foreign language courses, and therapy sessions
• A five-day workweek with a flexible start of the working day

Hyperskill is a fast-moving startup that helps people develop essential computer science and AI skills. We’re building a new line of B2B AI bootcamps for companies looking to integrate AI into their workflows — and we’re looking for an AI Engineering Expert to help us make these programs truly practical and impactful.

This is a part-time, flexible, project-based role — perfect to combine with your main job or personal projects.
We're fast, remote, async, and allergic to bureaucracy.
We’re async-first, remote, and fast-moving. Decisions are made quickly and iterated on even faster — we prefer 70% clarity today over perfect decisions next month. We care more about impact than process.

About the Role

You’ll work with our team to shape AI bootcamps designed for corporate teams — both tech and non-tech. Your role is to make sure what we teach is grounded in reality, not theory. You’ll bring real experience of AI integration into enterprise environments and help turn it into educational content, toolkits, and workflows that people actually use.

You’ll help companies use AI meaningfully — not just for hype, but for actual outcomes. Your input will directly shape what our clients learn, how fast they adopt AI tools, and how confidently they integrate them into production workflows. You’ll make our content credible and useful for real teams solving real problems.

What You’ll Do

• Review and improve pilot B2B AI bootcamps
• Share practical cases of AI adoption in enterprise settings
• Draft toolkits, workflows, and checklists for learners and managers
• Co-create program concepts for new clients
• Provide expert feedback on draft content
• Optionally join live sessions or internal workshops as a guest expert
• Contribute ~5–10 hours/week on a flexible schedule
  

What We’re Looking For

• 5+ years in software engineering, automation, or digital transformation
• Solid Python skills for scripting and automation
• Ability to explain complex topics clearly and systematically
• Comfortable with async communication in distributed teams
• Familiarity with enterprise environments and constraints
• Hands-on experience integrating AI tools (GPT, Claude, OpenAI API, etc.) into corporate workflows
  

Nice to Have:

• Experience with LangChain, HuggingFace, agentic frameworks
• Mentoring or teaching experience
• Curiosity about emerging AI tools and automation trends
  

What We Offer

• Contractor agreement with a US-registered legal entity
• 100% remote, async-friendly collaboration: You can work from anywhere in the world
• ~5–10 hours/week, with flexibility to work around your schedule
• Hourly rate: $20–40/hour, depending on experience
• Creative freedom and real ownership
• Direct impact on educational products
• Opportunity to grow into a lead expert or curriculum partner role
  

If you’re excited about shaping how real companies adopt AI — and you prefer progress over perfection — we’d love to hear from you!

This is a remote based role that will involve occasional travel to business offices across the UK as per business needs.

Purpose of the Role

This exciting remote based opportunity will lead on all networking aspects of Low Level and High-Level Designs for Infrastructure services within the IT Operations team. A Network Infrastructure expert, you will collaborate with Engineers and Architects on projects and maintaining BAU. A third line support you will also lead technical investigations into complex issues through to conclusion, review new technology, provide recommendations and line manage a small team of engineers.

What you will do

This is an overview and not an exhaustive list of responsibilities. Collaborating with your Line Manager, you will develop your own objectives but focus on all of the following and more:

• Scoping, planning, documenting, and implementing of technologies as required to the highest standards.
• Lead as a Network technical subject matter expert, providing guidance and knowledge to the IT Operations.
• Produce Low Level and High-Level Network Design documentation for all project workstreams as required.
• Deliver customer and stakeholder management to all those with an interest in any works undertaken
• Research Cloud and Network solutions through internal and external knowledge base, as needed.
• Liaise with business, vendors and other IT personnel for the progression of change works.
• Escalate issues with accurate documentation to suitable technical expert or vendor, when required.
• Create knowledge articles for project solutions to be used for future support.
• Provide suggestions for continual improvement.
• Day to day line management and running of the Field Delivery Engineers and Network Engineers, including managing workloads, escalation and communication of status and challenges to higher management.

Who we are looking for

This is an opportunity for an experienced Senior Network Leader who is willing work as part of a team and manage stakeholders at all levels. We are looking for someone has:

• Networking knowledge and experience, with LAN, WAN and data communication systems, with emphasis on SDWAN technologies.
• Cloud network and Azure infrastructure monitoring knowledge.
• Experience of Enterprise Voice Solutions (BT CloudWorks used in the network).
• Branch office network design incorporating ISE technologies, circuit provision design and sizing.
• In depth understanding of our networking stack (or at least some aspects): Cisco Meraki, Cisco ISE, BT SDWAN, InfoBlox, Cisco FTD Firewalls, Azure Firewalls.
• Solid foundation in security to design and manage secure network systems effectively.
• Solid Understanding of IAM principles, including user authentication and authorization, vital for controlling access to network resources.
• Solid understanding of storage technologies to effectively design and manage network infrastructures that support data storage and retrieval.
• General M365 knowledge and experience of network integration with its services.
• Knowledge of Infrastructure as Code – Terraform/Ansible.
• Demonstrate excellent knowledge and experience of multi cloud technologies
• General on-Premise Active Directory and Microsoft Entra knowledge and experience
• General device management using SCCM/Intune and administration knowledge and experience
• Ability to analyse network infrastructure, highlighting area of risk and put forward suggestions for systems improvements.
• Line management and mentorship

This is an opportunity for a self-disciplined leader with strong interpersonal and leadership skills, who can work independently but also as part of a team. You will need to have excellent attention to detail, critical thinking and problem-solving skills with experience delivering projects from start to finish. We are looking for a proactive, collaborative, organised individual to join and lead the team.

In return you will be welcomed and supported by our Ardonagh family and be joining an organisation that cares about you as a person and your wellbeing.

Some of the other benefits are:

• Holiday entitlement of 26 days plus bank holidays
• Opportunity to progress your career across the entire Ardonagh family
• Award-winning learning & development offering and support to obtain professional qualifications to enhance your knowledge and career prospects
• Pension scheme for when you feel it’s time to retire
• 24-hour Employee Assistance support for you and your family’s physical and mental wellbeing
• Corporate perks such as discounted gym memberships, cinema tickets, shopping, Eyecare vouchers, cycle to work and much more
• One day paid volunteering to give back to our communities
• Ardonagh Community Trust (ACT) - raising funds for charity with donation matching in your local community
• The Spotlight Awards, where we celebrate the best of the Ardonagh Group and all the bright talent across our business.

We offer genuine potential for both personal and professional development, come and be part of our story and help us shape our future. So, what are you waiting for? Apply today and one of our team will be in touch.

We are looking for a talented self-driven Mobile Developer to join our development team, to support the delivery of current and upcoming projects.

The role is responsible for contributing to the development of high-quality mobile applications and progressive web apps using React Native and Ionic frameworks, ensuring scalable, secure and high-performance solutions.

We offer the opportunity to work with an experienced, skilled, and friendly team that takes pride in the quality of our work. If our mission excites you and you believe you can contribute to our culture, direction, and growth, we’d love to hear from you.

This is a remote-working role for applicants based in the UK only.

If you are interested, use the application form at the bottom of this page.

Roles & Responsibilities

• Develop high-quality mobile applications using React Native and Ionic
• Collaborate with design and product teams for features/updates
• Design efficient mobile architecture, UI/UX and responsive design
• Design and maintain efficient API integrations between systems
• Enforce coding standards for maintainable, scalable code delivery
• Conduct code reviews and provide constructive developer feedback
• Identify and address application performance bottlenecks
• Communicate effectively with stakeholders on development progress
• Attend daily stand-ups and maintain project tickets
• Conduct client demonstrations showcasing product features

Experience

• 5+ years in React Native, Typescript
• API integration experience including RESTful services
• Version control systems and collaborative development experience
• Ionic experience would be beneficial

Knowledge, Skills & Abilities

• Explain technical concepts to technical and non-technical stakeholders
• Respond positively to changing priorities
• Work under pressure in fast-paced environments
• Use strong verbal and written communication skills

Additional Requirements

• Be available for occasional after-hours support when needed
• Travel for industry events, client and team meetings
• Have flexibility to adapt to changing business priorities

Benefits

• A friendly, supportive, and family-friendly working environment
• 27 holiday days per year + Bank Holidays
• UK-based remote-first working
• Health and Medical support
• Provision of high standard equipment
• Stakeholder pension

We’re looking for a Principal Security Engineer with a passion for securing cloud environments and a proven history of leading complex security transformations. This is a hands-on, deeply technical role, not an advisory position, ideal for someone who thrives at the intersection of engineering and client engagement.

You'll use your expertise in cloud security, software security, and penetration testing to guide clients through high-impact security initiatives. A key focus of the role is conducting forensic investigations across cloud platforms (AWS, Azure, GCP), including containerized environments like Kubernetes.

In this role, you'll lead the design and implementation of modern security solutions, working directly with clients to assess needs and embed best practices across their teams. You’ll get your hands dirty configuring, maintaining, and remediating infrastructure—particularly within Google Cloud or Microsoft Azure—including networks, firewalls, and web application firewalls.

If you’re looking to lead, build, and solve real-world security problems in the cloud, this role was built for you.

A Day in the Life of a Principal Security Engineer:

• Lead and execute security transformation initiatives for enterprise clients, focusing on cloud security, application security, and vulnerability management.
• Solid knowledge of operating systems, file systems, memory structures, and log analysis.
• Proficiency in scripting and automation (e.g., Python, PowerShell, Bash) to streamline investigations.
• Proficiency in forensic tools (e.g., EnCase, FTK) and evidence handling.
• Serve as a primary client-facing security expert, building strong relationships and effectively communicating complex technical concepts to both technical and non-technical stakeholders.
• Architect, design, and implement robust security solutions for cloud-native and traditional applications, with a strong emphasis on AWS, Azure, or GCP.
• Conduct in-depth security assessments, penetration tests, and code reviews to identify vulnerabilities and recommend remediation strategies.
• Develop and implement secure software development lifecycles (SSDLC), integrating security best practices throughout the entire development process.
• Provide expert guidance on OWASP Top 10 vulnerabilities, secure coding practices, and threat modeling.
• Drive the adoption of automated security testing tools and processes.
• The candidate will be available on occasional nights and weekends to support the Security Operations team and will be on-call in the event of any security incident.
• Mentor and provide technical leadership to other security engineers and client teams.
• Stay abreast of the latest security trends, threats, and technologies, continuously enhancing our service offerings.

What You’ll Need:

• Bachelor’s degree in Computer Science, Cyber Security, Risk Management, or a related field (Master’s preferred).
• 10+ years of experience in information security, including securing cloud environments (Azure/GCP), application security, and security operations.
• Deep expertise in network and infrastructure security within major cloud platforms, including IAM, network configuration, and cloud-native security tools.
• Hands-on experience with vulnerability management, penetration testing, and common attack vectors; familiarity with SAST, DAST, and SCA tools.
• Strong understanding of the OWASP Top 10, secure coding principles, cryptography, and threat modeling.
  Proven track record leading client-facing security projects and transformation initiatives.
• Experience configuring and supporting SIEMs, managing security alerts, and writing custom scripts in PowerShell, Python, or Bash.
• Exceptional communication and interpersonal skills; able to influence and collaborate across technical and non-technical teams.
• Relevant certifications required: CISSP (required), CISM/CCSP/OSCP desirable; Azure or GCP certifications strongly preferred.
• Demonstrated ability to thrive in a dynamic, fast-paced, and client-focused environment.

Nice-to-Haves:

• Certifications such as CCSP, OSCP, CISM, or cloud-specific credentials (e.g., Google Cloud Security Engineer, Azure Security Engineer, AWS Security Specialty).
• Experience with Infrastructure-as-Code (IaC) tools like Terraform, CloudFormation, or ARM templates to automate security controls.
• Familiarity with container security and orchestration (Docker, Kubernetes).
• Knowledge of DevSecOps principles and integrating security into CI/CD pipelines.

The Perks of Working for Appspace:

For all our US based team members, we offer a variety of benefits from competitive salaries, medical, dental and vision coverage, disability coverage, employer paid life insurance, mental health resources, 401(k) plan and a fully paid parental leave program.

Additional perks include:

• Generous PTO
• Flexible work schedules
• Remote work opportunities
• Paid company holidays
• Appspace Quiet Fridays (No non-essential internal meetings scheduled)
• A casual dress work environment

Wallet in Telegram is a digital asset solution natively embedded into Telegram’s interface. Backed by The Open Platform, Wallet in Telegram gained 100M+ user accounts in 2024, and aims to make its solution available to all 1BN+ of Telegram’s users. Wallet in Telegram offers a dual-wallet experience with Crypto Wallet (a multi-chain wallet for trading and sending crypto to contacts) and TON Wallet (a self-custodial wallet with access to the TON ecosystem of dApps and tokens).

We are looking for an experienced Python Engineer to join our Blockchain team. In this role, you will work directly with blockchains. Your main responsibility will be to design and implement blockchain solutions that ensure secure, efficient, and scalable transactions for our users.

Responsibilities:

• Research, design, and develop new blockchain technologies using Python.
• Implement new features for existing blockchains.
• Write well-tested code with high test coverage.
• Optimize system performance to handle large volumes of data and users.
• Collaborate with cross-functional teams to deliver top-notch blockchain solutions.

Requirements:

• 3 years of experience working in crypto/blockchain development using Python or other programming languages.
• Strong software development background with knowledge of algorithms and data structures.
• Proficiency in writing efficient and secure code.
• Deep knowledge in at least one of the following blockchain ecosystems: TON, Ethereum, or Solana.
• B2+ Level English.

Nice to Have:

• Proficient in developing smart contracts being a plus.
• Solid understanding of cryptography and security principles in blockchain being a plus.

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 in Dubai, Yerevan, London and Belgrade.
• 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.

The team was created to support Deel engineering growth and build a platform for product teams, so they could ship business value faster. Deel is at a very unique position because we are big enough that we need the platform but we are young enough to not have it yet. There is a dedicated DevOps team and they take care of the infrastructure, while we work on the edge between DevOps and engineering enforcing standards and best practices, creating tooling, maintaining internal libraries, providing architectural guidance and owning some high-loaded core services, responding to production incidents when needed. It’s 70% Engineering and 30% DevOps. We have a lot of freedom, but it comes with responsibility.

Who are we looking for?

• 5+ years of experience in engineering
• Strong node.js knowledge
• AWS or similar cloud experience
• Kubernetes, Helm and Docker knowledge
• Experience with Postgres/Mysql, RabbitMq/Nats/Kafka
• Strong system design and problem solving skills, we often deal with the “unknown”
• Strong communication skills, we often need to orchestrate projects with 20+ teams
• You are hands-on troubleshooter
• You are ready for challenges

Extra brownie points if you…

• Have experience building internal tooling: npm packages, frameworks

Total Rewards

Our workforce deserves fair and competitive pay that meets them where they are. With scalable benefits, rewards, and perks, our total rewards programs reflect our commitment to inclusivity and access for all.

Some things you’ll enjoy

• Stock grant opportunities dependent on your role, employment status and location
• Additional perks and benefits based on your employment status and country
• The flexibility of remote work, including optional WeWork access

We are looking for a Data Engineer to join our BI Infrastructure team.

Responsibilities:

• Design reliable data pipelines
• Unify data from various sources, including in-game activity events and aggregated partner data
• Develop optimal data models for game and marketing analytics
• Handle data enrichment, transformation, and validation
• Take responsibility for data quality

Requirements:

• 3+ years of experience as a Data Engineer
• Understanding of mobile app metrics
• Strong skills in writing and optimizing complex SQL queries
• Hands-on experience with ETL/ELT systems
• Experience building data loaders
• Strong analytical skills and a data-driven mindset

Will be a plus:

• Experience with Google BigQuery, Looker Studio, or Apache Superset
• Familiarity with MMP platforms such as AppsFlyer, Adjust, etc.
• Experience working with ClickHouse
• Knowledge of Golang or Python
• Experience with tools like dbt or Cube

What we offer:

• Opportunity to work for ZiMAD, a US company with a diverse portfolio of global free-to-play (F2P) projects with a multi-million monthly user base
• Involvement in the entire product development cycle
• Career growth prospects within an international company
• Remote work opportunities
• Flexible working schedule
• Bonuses based on the achievement of KPIs and financial results of projects
• Paid conferences, training (including language courses), and workshops
• Opportunity to have sessions with psychologists to improve your mental health and well-being
• Participation in charity projects

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 – it’s 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 won’t 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. It’s 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.

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 — 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 — 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 company’s offices.

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:‍

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 – full remote working possibilities
• Care: We’ve got you covered with company-paid medical insurance, mental health support, and financial & legal consultations