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Senior FullStack QA Engineer with Python (Programming language)
Remote - European Region
Remotefull-timeEngineeringJob Description
Coinspaid Dev is the engineering brand behind the technology, infrastructure, and R&D expertise built within Coinspaid. With more than 120 engineers and over 11 years of industry experience, Coinspaid Dev brings together software engineering, infrastructure, security and R&D teams with experience building distributed systems and blockchain infrastructure operating across more than 20 blockchain networks.
Coinspaid Dev emerges as an independent engineering brand with a straightforward mission: to advance blockchain infrastructure engineering and contribute practical expertise back to the industry. The structure is new. The experience behind it is not.
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
About CoinsPaid
First seen: February 6, 2026
Last updated: August 31, 2026