Senior FullStack QA Engineer with Python (Programming language)

Coinspaid Solutions is a fintech company building blockchain payment infrastructure for the global economy.

We design, implement, and scale payment systems that connect digital assets with real-world financial operations. Our solutions help businesses and financial institutions operate efficiently in the evolving digital asset landscape.

For over 11 years, we’ve been developing products that bring crypto payments closer to mainstream adoption. Today, our team includes 350+ professionals working remotely across multiple countries.

We combine the pace of fintech with a long-term approach to building products, teams, and careers. As a remote-first company, we give people flexibility in how they work while maintaining strong collaboration and shared ownership across teams.

🏆 In 2026, Coinspaid was recognized as Best Corporate Culture in the Blockchain Industry in Europe, reflecting our focus on ownership, trust, and collaboration.

Responsibilities:

• Do requirements analysis, manual and automated testing
• Be responsible for releasing products
• Develop test documentation (checklist, test cases, quality reports) for manual and automation testing
• Understanding the Test Pyramid Model. Work together with Dev engineers to ensure high, consistent code quality.
• Maintain and expand the automation testing framework
• Do functional and exploratory testing, including backend/api, message queue, blockchain, cryptocurrency exchanges. Execute all general types of testing.
• Participate in testing tools development (including fake test services)
• Participate in quality processes architecture, estimations, test cases design
• Participate in CI/CD process improvement

Requirements:

• 5+ years of experience in Quality Assurance, manual and automation testing
• Experience in automation microservices
• Experience in test automation frameworks development from scratch (Tech stack: Python + Pytest, Kuberneties, Gitlab CI, Grafana)
• Comfortable working with Docker, Kubernetes, good understanding of CI/CD (we use ArgoCD and Gitlab)
• Experience with queues Kafka/NSQ/NATS/Rabbit (we use NSQ)
• Experience with ELK, Sentry, other monitoring/alerting tools
• Deep understanding of QA approaches, testing principles, testing types, zero bug policy, test pyramid approach, tests coverage distribution and other
• Experience in functional/non-functional testing (load testing, integration, acceptance testing, exploratory, security testing)
• Excellent in understanding of the SDLC from requirements analysis, development, deployment to application monitoring
• Independence and proactivity
• Ability to quickly learn new things
• Good level of spoken and written English and Russian

Nice to have:

• User experience with cryptocurrency exchanges or with traditional trading markets
• Blockchain experience. General understanding of Bitcoin, Ethereum and other popular blockchains would be a plus
• fastAPI/Flask experience. Test services are written in fastAPI/Flask. They need to be maintained and expanded
• GO experience. Services are written in GO. It could be useful to be able to read GO code