Remote 💻 Development Jobs

We are looking for React Full Stack developers to implement various functionalities: AI Platform, CRM,  integration with AI services, integration with social networks, and payment services.

General Skills

• 4+ years of experience as a Full-stack developer
• Good knowledge of React.js and Node.js
• Ability to design and implement reliable solutions
• Experience building scalable backend services
• Understanding the advantages of different data storage systems
• Experience with CI/CD, Docker, AWS, Digital Ocean
• Ability to work in a team
• Capability to work independently
• Willingness to take responsibility for your work

Nice to Have

• Experience working with CRM for B2B
• Experience integrating with AI service APIs (open-ai, claude, replicate)
• Experience integrating with social network APIs (YouTube, TikTok)
• Experience setting up payment services (Stripe, Rapyd, etc.)
• Experience working with successful relevant products

Key Tasks

• Develop SaaS components for AI Platform
• Design microservices architecture and integrations with third-party platforms
• Develop adaptive service UI
• Conduct code reviews
• Establish CI/CD processes

Conditions

• 100% remote work from anywhere in the world in an international company
• Competitive salary
• Opportunity to develop a new project from scratch (no legacy code)
• Fast release cycle with a focus on important aspects

Replika is an AI companion loved by 35M+ users around the world. We’re redefining what it means to connect with technology — emotionally, intelligently, and personally. From mobile to VR, we’re building an experience that feels less like software and more like someone who gets you.

We’ve been featured in TED Talks, Stanford and Harvard studies, the Lex Fridman podcast. All for one reason: people connect with Replika in a deeply human way.

We're scaling fast and taking on bold challenges to become the most human AI on the planet.

About the Role

We're looking for a Software Engineer with strong DevOps and MLOps experience to join our AI & Analytics team. This role is critical in ensuring the reliability, scalability, and performance of our machine learning and data pipelines. You'll work closely with AI engineers, and backend developers and Devops to bring AI solutions into production — with a strong focus on infrastructure, automation, and performance.

If you're someone who thrives in cross-functional teams, is excited about operationalizing cutting-edge LLM technologies, and has a solid foundation in backend systems and DevOps, we’d love to meet you.

Responsibilities

• Build, manage, and optimize backend systems and APIs supporting AI/ML workloads.
• Support and maintain robust data and ML pipelines, ensuring scalability and reliability.
• Develop FastAPI-based microservices leveraging Python async patterns.
• Manage state and flow tracking using Redis and MongoDB, optimizing performance and persistence layers.
• Integrate with LLMs (LLaMA, OpenAI, Anthropic) and support vector database operations (e.g., Pinecone).
• Implement and maintain Docker-based containerized environments for both development and production.
• Design and monitor event-driven systems using Kafka.
• Implement structured logging (Structlog/Logfire) and observability solutions (e.g., Datadog).
• Collaborate with the DevOps team on CI/CD pipelines using GitHub Actions.
• Contribute to Quadrant integration for deployment and operational alignment.
• (Optional) Provide support for Scala-based components, if applicable.

Required Skills & Experience

• Python development experience
• FastAPI for building async APIs and microservices.
• Experience with Redis (especially asyncio clients) for state tracking and flow control.
• Strong understanding of MongoDB query patterns and schema design.
• Experience working with Large Language Models, including LLaMA (3.x preferred).
• Hands-on with LLM APIs such as OpenAI, Anthropic, etc.
• Experience with vector databases like Pinecone, understanding semantic search and embeddings.
• Proficient with Docker and docker compose
• Experience in event-driven systems with Kafka(producers/consumers).
• Strong grasp of CI/CD using GitHub Actions.
• Familiarity with Quadrant for deployment orchestration.
• Comfortable with logging/monitoring tools such as Datadog.
• Proven experience collaborating with cross-functional stakeholders
• Experience in leadership roles such as Team Lead, Engineering Manager, or Staff Engineer
• Experience with systems serving at scale (at least 500k+ users)
• Startup mindset: proactive, adaptive, and comfortable navigating ambiguity

Nice to Have

• Familiarity with Scala or willingness to learn it.
• Experience with Kubernetes or other orchestration tools.
• Prior work in AI/ML-focused product teams or research environments.

What You’ll Get

• A chance to build a product that actually matters to millions of people
• Freedom to work remotely with a globally distributed team
• Offsites in different countries with people who actually like each other
• A trustworthy, high-responsibility environment where your ideas really matter

Work at Replika

At Replika, growth isn’t a maybe—it’s built in. Do the work. Deliver. One great project could double your salary. Seriously. Who do we think we are? Replika. We move fast. Very. Join us at the forefront of emotional AI.

You will join our team that works in a production field with high load, high availability, and geo-spreading systems. You will work on various products and projects to provide the best possible experience for our traders by following the best practices and standards. As a member of the PaaS team, you will be a key player in keeping the pace of development with high quality and flexibility over orchestration, monitoring and logging, as well as common services and applications at Exness.

You will:

• Improve and maintain orchestration by using Kubernetes (on-premises and clouds).
• Provide support for monitoring and logging systems.
• Participate in the development of the k8s as a service solution in different regions for internal development teams.
• Participate in duties related to platform activities.
• Maintain all services related to Kubernetes offer: ArgoCD, Istio, Calico, etc
• Maintain platform services and applications like Redis and Keycloak

What makes you a great fit:

• Experience with Kubernetes (on-premises/self-hosted)
• Experience with Helm (Helmfile would be a plus)
• Experience with ArgoCD
• Good understanding of Linux (experience with Alma Linux, CentOS, and RedHat-based distros)
• Understanding networks and their configuration in Kubernetes (experience with Calico or Cilium)
• Experience with Terraform (Terragrunt would be a plus)
• Experience with CI/CD, such as Gitlab CI
• Experience with a telemetry stack(prometheus, alertmanager, fluentbit, grafana, etc)
• Experience implementing security best practices in cloud and on-premise IT environments, following industry standards and recommendations
• Platform Engineering mindset

Nice to have:

• Experience with AWS, including configuration, hardening, automating deployment, and managing the services
• Experience with Ansible
• Experience in Python or Golang

What we offer along the way:

• Competitive and attractive compensation
• Extensive learning opportunities, such as professional training and certifications, soft skills development, free English courses, and trading workshops
• Flight tickets, hotel or apartment accommodation for your first month, migration support, and legal help for you and your family
• Health and life insurance for employees, spouses, and children, including vaccinations, tests, mental health care, and coverage for vision and dental care
• Generous time off, including 21 days of annual leave and paid sick leave
• Education allowance for your children’s school and kindergarten fees
• Access to our very own sports club with dedicated coaches, free Sanctum Club memberships for you and your spouse, corporate SUPs, jet skis, etc
• A branded company car with a parking space near the office
• Outstanding team-building experiences and Exness community gatherings

Your journey after applying:

1. Interview with a Talent Acquisition Specialist (45 minutes)
2. Short online English test (for non-native speakers)
3. 1st Technical interview (1,5 hour)
4. 2nd Technical interview (1 hour)
5. Behavioral interview (1 hour)

As we transition to a modern big data infrastructure, PySpark plays a critical role in powering high-performance data processing. We are seeking a Data engineer / PySpark expert to optimize data pipelines, enhance processing efficiency, and drive cost-effective cloud operations. This role will have a direct impact on scalability, performance, and real-time data processing, ensuring the company remains competitive in data-driven markets.

You’ll be working closely with a Data Platform Architect and a newly formed team of four Data Engineers based in India (GMT+5:30) and one Data Engineer in Uzbekistan (GMT+5). Additionally, we're planning to hire two more Senior Data Engineers in Georgialater this year.In this role, you’ll report to the CTO, who is based in the GMT-8 time zone, and the VP of Engineering (EDT/EST).

Position Details‍

• Role: Senior Data Engineer
• Location: Remote (We’re looking for candidates based in Georgia, Romania, and the Czech Republic only)
• Employment: Service Agreement (B2B contract; you’ll need a legal entity to sign)
• Start Date: ASAP
• Salary: $5,500 - $8,000 USD per month GROSS (fixed income, paid via SWIFT)
• Working Hours: 11 AM to 7 PM local time. No night or weekend work is expected
• Time Overlaps: Sync ups with RnD( Puna, India) in GMT+5:30 and devs in GMT-5, plus occasional meetings with the VP of Engineering in EST/EDT and the CTO in GMT-8.
• Equipment: The company will provide a laptop.

What You’ll Be Doing‍

• Optimize Data Processing Pipelines: Fine-tune PySpark jobs for maximum performance, scalability, and cost efficiency, enabling smooth real-time and batch data processing.
• Modernize Legacy Systems: Drive the migration from traditional .NET, C#, and relational database systems to a modern big data tech stack.
• Build Scalable ETL Pipelines: Design and maintain robust ETL/ELT workflows capable of handling large volumes of data within our Bronze/Silver/Gold data lake architecture.
• Enhance Apache Spark Workloads: Apply best practices such as memory tuning, efficient partitioning, and caching to optimize Spark jobs.
• Leverage Cloud Platforms: Use AWS EMR, Databricks, and other cloud services to support scalable, low-maintenance, high-performance analytics environments.
• Balance Cost & Performance: Continuously monitor resource usage, optimize Spark cluster configurations, and manage cloud spend without compromising availability.
• Support Real-Time Data Streaming: Contribute to event-driven architectures by developing and maintaining real-time streaming data pipelines.
• Collaborate Across Teams: Partner closely with data scientists, ML engineers, integration specialists, and developers to prepare and optimize data assets.
• Enforce Best Practices: Implement strong data governance, security, and compliance policies to ensure data integrity and protection.
• Drive Innovation: Participate in global initiatives to advance supply chain technology and real-time decision-making capabilities.
• Mentor Junior Engineers: Share your knowledge of PySpark, distributed systems, and scalable architectures to help develop the team’s capabilities.

Experience & Expertise:‍

• 5+ years as a Data Engineer, with solid experience in big data ecosystems.
• 7+ years of hands-on AWS experience is a must, including deep familiarity with EMR, IAM, VPC, EKS, ALB, and Lambda.
• Cloud experience beyond AWS (GCP or Azure) is a strong plus.
• Proficiency with Python (including data structures and algorithms), SQL, and data modeling.
• Strong expertise in distributed computing frameworks, particularly Apache Spark and Airflow.
• Experience with streaming technologies such as Kafka.
• Proven track record optimizing Spark jobs for scalability, reliability, and performance.
• Familiarity with cloud-native ETL/ELT workflows, data sharing techniques, and query optimization (e.g., AWS Athena, Glue, Databricks).
• Experience with complex business logic implementation and enabling application engineers through APIs and abstractions.
• Solid understanding of data modeling, warehousing, and schema design.

Soft Skills:‍

• Strong problem-solving skills and proactive communication.
• Fluent English - B2 and higher (both written and verbal).

Preferred Skills & Certifications:‍

• Familiarity with .NET applications structure and deployment.
• Relevant cloud certifications (AWS Solutions Architect, Developer, Big Data Specialty).
• Certifications or proven experience in Databricks, Apache Spark, Apache Airflow, and data modeling are a plus.

Recruitment Process‍

• ‍# 1 Initial Interview: Up to 1 hour with HR or/and including a self-assessment form (Click to fill out the form). If you prefer, you can skip the call and discuss all questions and details in writing instead. Just let us know!
• ‍# 2 Managerial Interview (Optional): 30-60 minutes (You will meet with the CTO to learn more about the company, the position, and future plans directly from the source.)‍
• ‍# 3 Test Assignment: up to 113 minutes on iMocha platform (Data Structures - Graph data structure, Array and String manipulation - All in Python, with a few MCQ questions on Spark)
• ‍# 4 Technical Interview: Platform/Application Architect: up to 1h..FAQ – Technical Interview Format + Key Domains Covered - Show more
• ‍# 5 Offer & Paperwork: Up to 30 minutes with the CTO to finalize conditions and complete necessary paperwork.
• ‍# 6 Onboarding: Get ready to join the team and start your journey!

We are looking for an experienced IOS engineer who will help us develop our app in the Antifraud team.

Responsibilities

• Design, develop, and maintain antifraud solutions for the inDrive iOS app
• Collaborate with our cross functional team on feature design, system architecture, and shipping new features
• Ensure code quality through unit testing and code reviews
• Participate in sprint planning and task decomposition processes
• Stay current with iOS security and antifraud trends to ensure our app remains robust and secure.

Qualifications

• You have 3+ years of experience in developing client applications for iOS.
• You have commercial development experience in Swift.
• Fluency in the iOS SDK and a solid understanding of the mobile development lifecycle.
• Understanding of OOP and SOLID principles, as well as design patterns.
• Ability to write maintainable and testable code. Proficiency in writing unit tests.
• Your level of English is sufficient to communicate within an international team.

It would be great if you:

• You love to dig into low level iOS stuff.
• You love to understand the details of the iOS and Swift device internals.
• Familiarity with APIs such as DeviceCheck, AppAttest, root jailbreak detection, tamper protection or device fingerprinting technologies is a plus.

Conditions & Benefits

• Stable salary, official employment
• Health insurance
• Hybrid work mode and flexible schedule
• Relocation package offered for candidates from other regions (only for Kazakhstan and Cyprus)
• Access to professional counseling services including psychological, financial, and legal support
• Discount club membership
• Diverse internal training programs
• Partially or fully paid additional training courses
• All necessary work equipment

We are seeking a Senior Android Developer to join our team.

Main responsibilities:

• Feature Development: Build and implement a wide range of product features to enhance user experience and functionality.

• Lifecycle Involvement: Actively participate in the entire feature lifecycle, from ideation and prototyping to design, development, and analytics.
• Proactivity: Take initiative in identifying opportunities for improvement and proposing innovative solutions to drive product success.
• Flexibility: Adapt quickly to changing priorities, new challenges, and evolving project needs in a dynamic environment.
• Collaboration: Work closely with cross-functional teams to bring creative ideas to life.

What we look for:

• You know Android SDK, have experience with Kotlin and Java, understand material guidelines, and have expertise in developing complex interfaces, custom views, and animations;
• You are interested in creating a helpful product and understand the importance and impact of development on users;
• You have 5+ years of experience in a product development team;
• You know how to estimate the development time and timely communicate any problems that may affect the execution;
• You are a team player, and you know how to handle feedback. You are open to other’s ideas and suggestions;
• High level of autonomy and ability to work in uncertainty
  

Our tech stack:

• Kotlin
• MVI/MVVM Architectures
• Coroutines
• Room
• Dagger 2
• Multimodule
• Jetpack Compose

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, remote and hybrid work 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);
• Support to learn English, should you need (or want) to;
• Flexible hours. We focus on your results, not how long you spend at your desk.

We are seeking a talented and motivated DevOps Engineer to join our team. In this role, you will be responsible for designing, implementing, and maintaining scalable, secure, and reliable infrastructure to support the development and deployment of our services. You will collaborate closely with developers, product managers, and other stakeholders to ensure the seamless operation of our systems.

‍Key Responsibilities:

• Develop and maintain infrastructure as code using Pulumi
• Set up and manage CI/CD pipelines using GitHub Actions
• Manage containerized applications with Docker and orchestrate them using Kubernetes and Helm
• Administer and optimize cloud infrastructure on AWS and GCP
• Ensure secure and efficient networking, including TCP/IP, DNS, and firewall management
• Perform Linux system administration and troubleshooting
• Manage and support PostgreSQL, Redis, and ClickHouse databases
• Collaborate with team members to ensure high availability and performance of our systems

Qualifications:

• Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent work experience
• Proficiency in Python programming
• Strong experience with Bash scripting
• Hands-on experience with Pulumi or similar infrastructure as code tools
• Knowledge of CI/CD workflows using GitHub Actions
• Solid understanding of networking (TCP/IP, DNS, firewalls)
• Excellent Linux system administration skills
• Experience with Docker, Kubernetes, and Helm
• Experience with SQL and NoSQL databases
• 3+ years of experience with AWS services (EKS, ECR, RDS, ELB, IAM)
• 3+ years of experience with GCP services (GKE, Container Registry, SQL, LB, IAM)
• Proficiency with Git version control

Why Join Us:

• Contribute to a platform that supports a global community of developers and researchers
• Opportunities for career advancement and skill development
• Flexible work schedule with the freedom to work remotely from any location
• A healthy work-life balance supported by generous vacation and sick leave policies
• Comprehensive medical insurance and other benefits
• Be part of a pioneering team dedicated to advancing open-source tools in the computer vision space

Ready to make an impact in the world of computer vision? Submit your resume, a cover letter, and examples of your work to join our innovative team at CVAT.ai.

Inktech — is an international IT company headquartered in Limassol, Cyprus. Since 2017, we have been creating and launching our own software products and services, focusing exclusively on Fintech and iGaming solutions. We are proud to be product-focused. Our team is our greatest asset.We are looking for a Security Engineer to join our team.

Responsibilities:

• Building threat models for applications/features (using any framework, e.g., STRIDE).
• Conducting penetration testing using BurpSuite and other tools.
• Validating and prioritizing vulnerabilities.
• Developing DevSecOps (integrating and adapting new scanning tools to DefectDojo).
• Analyzing potential vulnerabilities in cloud infrastructure.

Requirements:

• Experience with threat modeling.
• Practical experience in web penetration testing.
• Understanding of DevSecOps practices.
• Knowledge of cloud infrastructure security.
• Security certifications, such as OSCP and OSWE, are a plus.

Nice to have:

• Security certifications, such as OSCP and OSWE, are a plus.
• Experience working with AI-driven products or tools.
• Interest in AI technologies and their practical use.

We offer:

• High salary (plus performance bonuses and salary revision regularly);
• 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.

We're looking for a Frontend Developer who will not only drive the technical expertise of our platform, but also help shape the product and make a direct impact on the future of the creator economy.

What’s In It for You?

• Lead with Purpose – Step into a role where your technical decisions and mentorship directly shape a growing product used by millions of creators worldwide. From optimizing conversions and pricing to building tools that creators rely on—you’ll be at the heart of it all.
  
• Creative Autonomy – Have the freedom to propose, test, and implement ideas that improve both user experience and developer workflows.
  
• Collaborative Culture – Join a team that values curiosity, constructive feedback, and great taste in music.
  

You won't hear water cooler chat about the weather here at Muse, here we are rating our favorite Prince albums and discussing Japanese punk.

Key responsibilities:

• Lead a frontend team and increase its productivity
• Fully own the technical quality of the product, its architecture and make key decisions about the technical side of the product growth. Ensure the technical quality of the product.
• Implement and deliver high-quality customer-facing features for Audio.com's website
• Partner with managers, designers, analysts, and engineers to address user needs and enhance the product's growth
• Collaborate closely with professionals to solve problems using a modern tech stack.
• Debugging and resolving technical issues

Required experience:

• Minimum 5 years of experience in web application development
• Development of scalable React applications that are easy for multiple developers to dive into and maintain.
• Experience working with Next.js
• Construction responsive design websites with a mobile-first approach and possess a basic understanding of creating animations.
• Optimization of website performance with a focus on Core Web Vitals.
• Understanding of FSD methodology
• Collaboration with the team to foster mutual growth.
• Speaking English fluently and comprehend conversations with native English speakers.

Nice to have:

• Experience working with React Server Components, React-Query, TailwindCSS

Tech stack: TypeScript, Next.js (App Router), React Server Components, Zustand, React-Query, TailwindCSS, Radix UI, React-Hook-Form, Zod, Storybook, Jest, RTL, Cypress, Sentry, Jenkins, Docker

Application process:

1. HR interview
2. Interview with Team Members
3. Interview with Future Manager
4. Reference Check
5. Offer

We’re looking for a senior-level SysOps Engineer with deep Linux expertise who is passionate about creating reliable, scalable infrastructure. While our current stack heavily features on-prem infrastructure (Linux, bare-metal, virtualization, networking), we’re actively moving toward a hybrid/cloud environment (AWS/Kubernetes).

Your role is vital: ensuring the resilience, security, and scalability of systems critical to our global operations. You’ll influence our infrastructure strategy, automate processes, and play a key part in our evolution toward modern DevOps and SRE practices.

What You'll Be Doing:

• Design, implement, and manage robust on-prem and hybrid cloud infrastructure
• Administer Linux-based servers (RHEL, CentOS, Ubuntu), virtualization, and networks
  
• Configure VPNs, firewalls, and internal network services (NGINX, HAProxy)
• Deploy and maintain Kubernetes clusters and related networking components
  
• Implement infrastructure automation using Ansible and Bash scripting (Python as a plus)
  
• Ensure high-availability and disaster recovery for databases (PostgreSQL, MongoDB, MariaDB, Elasticsearch, RabbitMQ, Minio)
  
• Maintain and enhance monitoring solutions (Zabbix, Prometheus, Grafana, ELK/OpenSearch)
• Document infrastructure clearly (Wiki, Google Docs) to facilitate team collaboration
  

What We Expect From You:

• 3+ years of Linux administration experience (RHEL, CentOS, Ubuntu)
• Deep knowledge of TCP/IP networking at L2/L3/L7 levels
• Strong experience configuring NGINX, HAProxy, Kubernetes Ingress
• Basic experience with databases and message queues (PostgreSQL, MongoDB, MariaDB, Elasticsearch, RabbitMQ, Minio)
• Experience with monitoring and log management systems (Zabbix, ELK/OpenSearch)
• Strong Bash scripting skills for automation, Python scripting as a plus
• Experience with AWS infrastructure deployment and security policy management (huge plus)
• Willingness to learn and actively contribute
• Proactive, ownership-driven approach with strong documentation habits

Bonus Skills (Nice to Have):

• Experience writing SELinux policies
• Familiarity with Kubernetes/Rancher
• Experience setting up CI/CD pipelines with GitLab
• Knowledge of mesh networking and network diagnostics
• Basic experience in routing and firewall scripting with IPTables
• Administration of XCP-ng hypervisors (Citrix Hypervisor)
• Understanding of information security principles, familiarity with Greenbone/Suricata

Growth Opportunities:

• Flexible and transparent engineering career track tailored to your growth
• Clear career path toward DevOps/SRE roles as we evolve to hybrid/cloud environments
• Influence infrastructure strategy in a company-wide transformation
• Access internal mentorship, modern tools, best practices, and continuous learning opportunities
• Opportunity to acquire new competencies and technical skills within a supportive environment

Why people choose us:

• Truly global presence. We have more than 500 clients on almost every continent
• Flexibility to work from anywhere globally (except Russia and Belarus)
• Friendly and supportive team and startup atmosphere
• Complex challenges and rapid growth within the company are guaranteed
• Engaging tasks and continuous professional development
• Stock Options
• The chance to make a meaningful impact on the world!

Ready for your next big challenge? Join Social Links and shape the future of data-driven intelligence solutions.

Wargaming is seeking a Gameplay Developer to join the Core Stream Team for World of Tanks. In this role, you will primarily work with C++ and Python codebase, focusing on the development, support, and enhancement of key mechanics, particularly in the main mode—random battles. You will also collaborate closely with our game engine to ensure seamless integration and functionality.

Reports to

Solution Architect

What will you do?

• Participate in the creation of new game modes and logic on the game client
• Develop high performance (in terms of memory and execution time) in-game components
• Improve and develop the existing technology stack
• Cover the functionality with tests

What are we looking for?

• Experience in commercial software development
• Strong knowledge of basic data structures and algorithms
• Development experience in C++ and/or Python
• Knowledge of design patterns
• Experience in developing asynchronous/multithreaded applications
• Knowledge of CPU and memory principles (RAM, ROM, cache, virtual memory, swap file, etc.)
• Knowledge of the basics of computer networks

What additional skills will help you stand out?

• Experience of working with game engines
• Passion for computer games
• Gamedev experience

Work mode

Hybrid (2-3 days of work from the office)

Benefits

Benefits and perks are tailored to the local market and culture. Our benefits in Nicosia include:

• 21 days annual leave (additional days based on years of service: up to 25 days)
• Additional paid time off (5 Personal Days, Birthday Leave, Marriage Leave, Compassionate Leave)
• Sick Leave (10 days top-up to statutory allowance per year)
• Maternity Leave (18 weeks top-up to statutory allowance per case)
• Career development and education opportunities within the company
• English Language courses fully covered by the company upon Manager’s approval
• Premium Private Health Care
• Mental well-being program (iFeel)
• Onsite gym and spa
• Free parking
• Free drinks-equipped kitchen in every floor building
• Hellenic Bank benefits
• Employee discounts (e.g. restaurants, bars, etc.)
• Personal Gaming Account
• Onsite canteen with subsidized prices for food and drinks
• Company events, Social Clubs
• Seniority Awards  
• Referral program - You can recommend the best talents to the company and receive a reward

Please submit your CV in English to ensure smooth processing and review.

TheSoul Publishing is one of the world’s most popular online media companies. We create entertaining, positive, and original content — including videos, articles, animations, and music — for our 2 billion followers on platforms such as 5-Minute Crafts, Bright Side, and 123 GO!

Today we are looking for an experienced PHP/GO Developerto join the team and work on our internal products.

Job responsibilities:

• Develop backend applications, services, and microservicesusing the appropriate technologies, platforms, and frameworks
• Contribute to improving the architecture of existing services and assist in developing new ones
• Write clean, efficient code and participate in code reviews to maintain code quality
• Identify and address performance bottlenecks in existing code to improve overall system performance
• Assist in task organization and deadline management to ensure project progress
• Collaborate effectively with cross-functional teams to achieve project goals seamlessly

Requirements:

• Strong experience with PHP and Go
• Hands-on experience in designing and developing modern web projects
• In-depth understanding of OOP principles and patterns
• Knowledge of the differences between various types of DBMS
• Experience with at least one of the frameworks (Symfony, Laravel, etc.), with the ability to work framework-agnostic and understand the underlying framework workings
• Proficient in unit testing
• Strong teamwork skills and the ability to communicate complex concepts in simple terms
• Basic understanding of Linux System Administration(configuration and administration)
• Extensive experience with Git
• Familiarity with SOA, REST, and microservice architecture principles
• Strong English and Russian language skills

What we offer:

• Remote work with work from anywhere workplace;
• Growth and development: internal academy with 800+ internal courses and materials, internal knowledge sharing, constant feedback from your manager, no limits on launching new initiatives;
• A tech-savvy approach and carefully structured processes: no red tape, transparent task management, asynchronous communication (with fewer meetings and more thoughtful written communication);
• Creative vibes of the cool international team of TheSoul Publishing, a company whose unique ecosystem is friendly to any new ideas!

We're hiring a Senior Backend Developer to join one of Ruby Labs’ portfolio companies. In this role, you’ll take ownership of backend systems, helping architect and deliver performant, scalable, and maintainable services using NestJS, RxJS, TypeScript, and SQL. You'll work closely with cross-functional teams to build high-quality APIs, streamline database performance, and support robust frontend integrations.

This role is ideal for an experienced backend engineer who thrives in a product-focused environment, values clean architecture, and is passionate about building reliable systems with clear separation of concerns.

Key Responsibilities

• Architect and develop scalable backend services using NestJS and RxJS, with an emphasis on modularity and testability.
• Design, implement, and maintain efficient RESTful and event-driven APIs.
• Optimize database schemas and queries (PostgreSQL or similar) for performance, consistency, and scalability.
• Implement edge functions and performance-critical backend logic.

• Work closely with frontend engineers, product managers, and designers to deliver end-to-end solutions.
• Contribute to technical design reviews and decision-making on system architecture.
• Mentor junior developers and help raise the quality of the entire engineering team.
• Participate in code reviews, CI/CD pipeline improvements, and deployment processes.

• Collaborate with frontend developers to ensure seamless API integration.
• Provide backend support for feature development and ensure alignment with frontend architecture.

Qualifications

• 5+ years of professional software development experience, including 4+ years in backend development.
• Strong hands-on experience with:
  - NestJS (modular architecture, dependency injection, guards, interceptors).
  - RxJS (observable-based data flow, operators, error handling).
  - TypeScript (type-safe backend development).
  - SQL (data modeling, complex queries, indexing, performance tuning).
• Proficient in designing scalable APIs and microservices.
• Solid understanding of backend best practices, including error handling, logging, and monitoring.
• Experience integrating with frontend teams using structured design systems and clearly defined contracts.
• Familiar with Git and modern version control workflows (e.g., trunk-based development, feature branching).

Nice to have

• Experience with Edge computing and serverless functions.
• Exposure to frontend development or working closely with frontend teams using Next.js/React.
• Background in data-intensive applications, performance marketing, or direct-to-consumer products.
• Familiarity with UI component libraries and translating design specs from tools like Figma.=
• Enthusiasm for building maintainable, scalable systems in a collaborative and fast-paced environment.

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 ± 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)

We are looking for a Senior PHP Developer who will strengthen the team. You will report directly to the Head of PHP.

Our Technologies:

• PHP 8.1 - 8.3, Golang
• Codeception/PHPUnit, PHPStan, Rector, Code style checks + CI/CD in GitHub
• MySQL 8.0, PostgreSQL 15
• RabbitMQ, Redis
• Graylog, Jaeger, Prometheus, Grafana
• JIRA for task management
• Kubernetes and Docker for local development

Your Role:

• Optimize the performance of PHP 8.1+ applications and troubleshoot issues.
• Maintain and develop new internal/external integrations with providers and microservices.
• Refactor and optimize existing monolithic code.
• Write unit tests to ensure code quality.
• Develop and document APIs.
• Conduct code reviews and participate in cross-reviews.
• Collaborate closely with the QA and Product teams.
  

What We’re Looking For:

• Ability to take responsibility for tasks and proactively address challenges.
• 5+ years of professional experience in PHP development.
• Familiarity with popular frameworks such as: Laravel, Symfony, and Yii.
• Strong knowledge of SQL (MySQL), including the ability to build complex queries, work with aggregations, and optimize indexes. Understanding of transactions is also important.
• Experience with REST APIs.
• Familiarity with microservice architecture.
• Experience with Redis/Memcache for caching strategies.
• Practical experience with RabbitMQ or similar message brokers to build scalable, asynchronous systems.
• Understanding of shared resources, locks, idempotency, ACID principles, etc.
• Hands-on experience with Docker.
  

What We Offer:

• Competitive market rate salary and performance-based incentives.
• 22 days annual leave with an additional 6 company days, plus bank holidays.
• Comprehensive health insurance plans.
• Extensive Benefits program.
• Flexible work schedule and remote work options.
• Professional development and training opportunities.
• Opportunity to shape the initiatives you’re working on.
• Diverse and friendly team.
• We are open-minded to new ideas.

Join Us

If you're driven to be a part of the web3 forefront and are keen to leave your mark on this rapidly evolving field, Mercuryo is an excellent choice. Discover our open positions and see how you can contribute to shaping the future.

Your main goal will be to drive technical pre-sales processes and ensure successful proof of concepts (POCs) to convert leads into satisfied customers.

To do so, here are your responsibilities:

Leading Technical Sales Engagements

• Conduct technical calls and demos with potential Enterprise customers to showcase n8n’s capabilities.
• Identify customer needs and propose suitable solutions, demonstrating how n8n can address their challenges.
• Collaborate closely with Account Executives to align technical solutions with sales strategies.

Creating and Managing POCs

• Monitor and guide clients through their POC journey, providing support and insights to maximize their trial experience.
• Collect and analyze feedback from POCs to refine the process and improve client onboarding.

Building Client Relationships

• Establish and maintain strong relationships with IT Ops and SecOps teams.
• Act as a trusted advisor, helping clients envision future use cases and expansion opportunities with n8n.
• Provide technical expertise and best practices to ensure long-term client success.

Internal Collaboration and Process Improvement

• Work with the sales team to streamline and enhance pre-sales processes.
• Communicate client feedback and technical requirements to product and engineering teams to drive product improvements.
• Contribute to the creation of sales and marketing materials to support technical sales efforts.

Requirements

Must-have

• Sales Engineering Experience: You have more than 6 years of experience in a technical pre-sales role, ideally within B2B SaaS.
• Excellent Communication Skills: You are a strong communicator who can effectively engage with clients and internal teams.
• Commercial Acumen: You understand sales processes and can creatively address client needs with technical solutions.
• Relationship Building: You excel at building and maintaining relationships with clients, particularly within IT Ops and SecOps.
• Technical Proficiency: You have a solid understanding of API integrations, oAuth, and experience with Docker / Kubernetes / Javascript.
• Startup Experience: You thrive in fast-paced startup environments.
• Open to traveling and participating in onboarding with the team in NYC when required.

Nice-to-have

• Advanced Technical Background: You hold a degree in Computer Science, Engineering, or a similar technical training.
• Community Engagement: You are active in tech communities and have experience engaging with open-source projects.
• Product Knowledge: Familiarity with n8n’s platform or similar workflow automation tools.
• Data-Driven Mindset: You are skilled in collecting and analyzing data to drive decision-making and process improvements.

n8n is an equal opportunity employer and does not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, gender identity, age, marital status, veteran status, or disability status.

We can sponsor visas to Germany; for any other country, you need to have existing right to work.

Our company language is English.

You care about diversity and inclusion? We do too! Check out our Diversity, Inclusion and Belonging initiatives at n8n (https://www.notion.so/n8n/Diversity-inclusion-and-belonging-n8n-c1bec2fff536422d868b1a438d990e35).

Location disclaimer: If you see multiple job postings for the same role, it is most likely because we're hiring remotely for this role and posting in different locations to make sure every potential candidate can see the role. Please apply to the location you're the most likely to work from in the future.

Benefits

• Competitive compensation – We offer fair and attractive pay.
• Ownership – Our core value is to “empower others,” and we mean it—you’ll get a slice of n8n with equity.
• Work/life balance – We work hard but ensure you have time to recharge:
  • Europe: 30 days of vacation, plus public holidays wherever you are.
  • US: 15 vacation days, 8 sick days, plus public holidays wherever you are.
• Health & wellness –
  • Europe: We provide benefits according to local country norms.*
  • US: Comprehensive medical (PPO 1200), dental, and vision plans.
• Future planning –
  • Europe: We provide pension contributions according to local country norms.*
  • US: 401(k) retirement plan.
• Financial security –
  • Europe: We provide benefits according to local country norms.*
  • US: Short-term & long-term disability insurance, life & AD&D coverage, and additional hospital coverage.
• Career growth – We hire rising stars who grow with us! You’ll get €1K (or equivalent) per year to spend on courses, books, events, or coaching to level up your skills.
• A passionate team – We love our product, and we prove it with regular hackathons where we see who can build the coolest thing with it!
• Remote-first – Our team works remotely across Europe, with regular off-sites for team bonding. Some roles, like sales in the US, are hybrid—please check the job description.
• Giving back – We're big fans of open source, and you'll get $100 per month to support projects you care about.
• Transparency – We all know what everyone’s working on, how the company is doing—the whole shebang.
• An ambitious but kind culture – People love working here—our eNPS for 2024 is 94!

Intrepid Fox is a startup developing advanced Generative AI solutions for banks and fintech companies. Our goal is to revolutionise financial services by making all boring manual routing processes instant and automatic.

Key Responsibilities:

• Develop, implement, and maintain highly responsive and user-friendly web applications using Vue.js and JavaScript.
• Collaborate with designers and back-end developers to create seamless and visually appealing user interfaces (UI).
• Write clean, reusable, and efficient code adhering to best practices.
• Optimize application performance for speed and scalability.
• Conduct thorough testing and debugging of UI components and front-end logic.

Requirements:

• 4+ years of professional experience as a Frontend Engineer, with a focus on JavaScript and Vue.js.
• Strong proficiency in HTML5, CSS3, and modern JavaScript (ES6+).
• Experience with Vue.js ecosystem, including Nuxt, Tailwind, Typescript и Vue 3.
• Familiarity with RESTful APIs and integration with back-end services.
• Knowledge of front-end build tools (e.g., Webpack, Vite) and version control systems (Git).
• Understanding of responsive and adaptive design principles.

What We Offer:

• Flexible working arrangements, including remote work.
• An opportunity to work with cutting-edge AI solutions in the financial industry.
• Participation in an employee stock options program after the probation period.

How to apply:

• Send your CV to mail.

Are you a tech-savvy job seeker looking for an opportunity to work with cutting-edge Web3 infrastructure?
Join Chainstack.

About us

Chainstack is the leading suite of services connecting developers with Web3 infrastructure, powering applications in DeFi, NFT, gaming, analytics, and more. From startups to large enterprises, Chainstack enables companies to reduce time to market, costs, and risks associated with creating and scaling decentralized applications. By offering fast, reliable, and easy-to-use infrastructure solutions distributed globally, we ensure innovators can focus on what matters.

As a Chainstacker, you'll work on challenging projects, collaborate with top developers and industry experts, and be part of a dynamic and supportive team that values creativity, innovation, and efficiency.

About the role

We are looking for a Golang software engineer to build and maintain high-performance indexing solutions for Solana blockchain data. You’ll contribute to our infrastructure and services, optimize performance, and implement mechanisms that ensure system stability and scalability.

Location

All Chainstack roles are fully remote. To create the best experience for your future colleagues, this role requires that you be based within Western, Central, or Eastern EU time zones.

Our stack

• Docker, Kubernetes, Helm, and Terraform/Terragrunt
• Redis, MongoDB, InfluxDB, PostgreSQL, MySQL, Jetstream, Kafka, Telegraf, S3-compatible storage
• GitHub and CircleCI
• Victoria Metrics, Grafana

Responsibilities

• Develop, maintain, test, and deploy an in-house indexing solution for Solana blockchain data.
• Build and optimize services to improve performance of Solana blockchain APIs.
• Design and implement high-performance data pipelines.
• Debug and optimize blockchain indexing and infrastructure components.
• Implement monitoring, alerting, and self-healing mechanisms for indexing services.
• Collaborate with infrastructure engineers to ensure efficient service operation.

Requirements

• Strong Go programming skills.
• Solid understanding of data structures, algorithms, and optimization techniques.
• Strong system design and architectural thinking.

Nice to have

• Experience with Rust programming.
• Familiarity with Solana blockchain.
• Contributions to open source blockchain projects.
• Experience with big data systems.
• Leadership mindset and ability to drive technical initiatives.
• Hands-on experience with Kubernetes and containerized environments.
• Familiarity with infrastructure automation tools like Helm and Terraform.
  

What We Offer

• Stock options – Share in our success with stock options.
• Flat organizational structure – Take ownership of your work without bureaucracy.
• Global fast-growing market – Work on cutting-edge projects in a rapidly expanding industry.
• Multinational team – Collaborate with professionals from around the world.
• Flexible schedule – Work when it suits you best.
• Bleeding-edge tech stack – Stay up to date with the latest technologies.
• Competitive salary in USD – We offer fair compensation for your contributions.

Ready to take your career to the next level? Apply now.

Sweatcoin is a London-based and well-funded scale-up with a team of 100 and the mission to make the world more physically active. Our iOS and Android apps have more than 150MM installs, 15M+ active users, more than 300 commercial partners and confirmed by the independent academic research ability to make our users up to 20% more active.

If you are interested in solving complex problems, then we are looking forward to seeing you be a part of our team! Now we have 160K requests per minute, half are writing, our database is growing by 1% per day, 5 million users a day send 15 million records, about 50 million requests to the database! In addition, you will work on the development of the new features for the project, work on improving internal algorithms, optimization/scaling of the service, protection against fraud and security, analytics, a / b testing and API projects.

Who we are looking for:

• Extensive experience in robust Ruby & Rails API design & development
• Ability to carry unclear product requirements to stable, clear, deployed features
• Ability to work autonomously, determining what needs to be done and why with little-to-no oversight
• Habitually ensuring new app behaviors are covered by specs to ensure stability
• Experience working on high-loaded projects involving cross-functional collaboration
• Ability to find a compromise between perfect code and fast delivery
• English language not lower than Intermediate

Tech stack:

• Ruby 3
• Rails 7
• Puma
• PostgreSQL
• Redis
• Sidekiq
• GCP & AWS

Why join us?

• Remote-friendly & Flexible working hours. The flexibility is incredible, performance is based on output, rather than hours spent working, our core hours are (10:00-16:00 GMT)
• Team building abroad in exciting locations!
• Unlimited time-off policy
• Two office locations, London and Lisbon, in case you'd like to work from the office sometime
• Wellbeing program, (up to 2 counselling session per month)
• Health Insurance, for our employees joining outside UK or PT you have a 1000€ yearly allowance.

If you feel that that’s a match we would be excited to have you on our team!

At Vivid, we're reimagining how individuals and businesses manage money. Our all-in-one app opens up a world of financial possibilities: invest in global stocks, ETFs, and over 150 cryptocurrencies, earn cashback on everyday purchases, and access personalised insights to make the most of your finances—all tailored to your lifestyle.     For businesses, Vivid Business offers a powerful suite of tools, including multi-IBAN accounts, high-interest rates, business cashback, team cards, and seamless accounting integrations to streamline operations.     Our mission? Your success. Everyone deserves the chance to see their finances flourish, and we’re dedicated to empowering our customers to make this a reality.     Since our 2020 launch in Germany, Vivid has rapidly expanded across Europe, earning the trust of over 500,000 customers looking for a simpler, smarter way to grow their wealth. With over €200 million raised from top investors and a valuation of €775 million, Vivid is where modern finance meets real opportunity. Join us and experience a new way to thrive financially.

About the role

We are looking for a Lead Backend Engineer (Golang) to join our growing team at a fast-paced European fintech startup serving over 500,000 customers. With over 500 microservices in production, we’re building robust banking products for SMEs across Europe.As a Lead Engineer, you will drive technical decisions, mentor other engineers, and ensure the delivery of scalable and reliable backend services. You’ll have ownership of key systems and work closely with cross-functional teams to evolve our platform using a modern tech stack that includes PostgreSQL, Kafka, AWS, Kubernetes, GitLab CI, Prometheus, and Grafana.

Your mission

• Lead the design and development of backend services for SME banking products
• Set engineering best practices and drive high-quality code through reviews and mentoring
• Collaborate with Product, Design, and other engineering teams to shape new features
• Ensure system scalability, performance, and reliability in production
• Own delivery, from architecture and implementation to monitoring and incident resolution
• Contribute to hiring and team growth

Your profile

• 5+ years of backend development experience, including 2+ years in a technical leadership role
• Strong expertise in Golang
• Solid understanding of microservices architecture and distributed systems
• Hands-on experience with cloud platforms (AWS preferred), Kubernetes, and event-driven systems (Kafka)
• Strong communication skills and a collaborative mindset
• Previous experience in fintech or building banking applications is a big plus
• Bachelor’s or Master’s degree in Computer Science or a related field

Why join Vivid?

• Hybrid work model preferred from Serbia, or from our offices in Limassol and Almaty, or fully remote outside office locations.
• This is a senior-level position with a competitive salary and benefits package (depending on location).
• Real growth prospects, significant responsibility, and the ability to make an immediate impact from day one.
• Participation in our Stock Options Program allows you to share in the company’s success.

Enhance your engineering skills and shape the future of FinTech. Join Vivid's talented team and help us revolutionize how people think about their money!

Established in 2009, ClickHouse leads the industry with its open-source column-oriented database system, driven by the vision of becoming the fastest OLAP database globally. The company empowers users to generate real-time analytical reports through SQL queries, emphasizing speed in managing escalating data volumes.Enterprises globally, including Lyft, Sony, IBM, GitLab, Twilio, HubSpot, and many more, rely on ClickHouse Cloud. It is available through open-source or on AWS, GCP, Azure, and Alibaba.

With over 39,000 stars on GitHub, ClickHouse is the fastest and most resource efficient open-source database for real-time apps and analytics. Our Core Engineering teams own the heart of our ClickHouse Open Source project.  We are looking for exceptional C++ engineers to join our remote-first, global team and continue to scale and grow both our open source and ClickHouse Cloud offerings.  More specifically, we are seeking engineers who love scaling and optimizing the performance of highly distributed systems.

What will you do?

• As part of the ClickHouse Core teams, you will contribute to, analyze, and optimize the performance of the core ClickHouse database. The team works on many different topics such as query optimization, distributed query optimization, relational operators (e.g. aggregation and joins), caching, and low-level optimizations like SIMD instructions.
• You will ensure that the database performance does not deteriorate over time by extending existing and adding new performance tests, based on real-world or synthetic datasets.
• You will serve as a resource for the Support Engineering team, helping to debug the most advanced performance issues encountered by our customers. This includes an on call rotation as well as participation in our external community support channels.
• As the core ClickHouse database continues to move at a fast pace, you will closely collaborate with our other teams to assess the impact of new features on performance and reliability
• You will work with our open-source community. This will include resolving issues, reviewing and finishing PRs, answering questions from mail, chats, google groups, external Slack channels, etc.

About you:

• You bring along solid professional software development experience in C++. This includes experience with Unix Systems.
• You have strong knowledge in database internals and design.
• You have experience in performance engineering, ideally in a database but other areas like high-frequency trading, simulation, real time data processing etc. are also okay.
• You communicate well with others and have the ability to work well within and across engineering teams.
• You are ready to work closely with our open-source community. You participate in code reviews with patience and attention to detail fostering a culture of collaboration and mutual respect.
• You are a strong problem-solver and have solid production debugging skills.
• You are passionate about efficiency, availability, scalability and data governance.
• You thrive in a fast-paced start-up environment, seeing yourself as a partner with the business with the shared goal of moving forward and building together.
• You have a high level of responsibility, ownership, and accountability.

Bonus points for:

• Experience with ClickHouse.
• Experience in security, privacy, and compliance.
• Experience with TCP/IP and network programming.
• Experience developing cloud infrastructure services, preferably with Kubernetes.
• Experience giving public talks at technical conferences and meetups.
• Previous contributions to open source projects.

Perks

• Flexible work environment - ClickHouse is a globally distributed company and remote-friendly. We currently operate in 20 countries.
• Healthcare - Employer contributions towards your healthcare.
• Equity in the company - Every new team member who joins our company receives stock options.
• Time off - Flexible time off in the US, generous entitlement in other countries.
• A $500 Home office setup if you’re a remote employee.
• Global Gatherings – We believe in the power of in-person connection and offer opportunities to engage with colleagues at company-wide offsites.