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Senior FullStack QA Engineer with Python (Programming language)

Remote - European Region
Remotefull-timeEngineering

Job Description

CoinsPaid offers ready-to-use crypto payment solutions tailored to business’ every need. Standing at the forefront of mass adoption, our products help businesses gear up for the new era of digital assets. We showed a tremendous growth in terms of transactions and volumes since 2019 and in 2023 were marked by Forbes as the "Best Crypto Payment Gateway for High-Volume Transactions". 

Headquartered in Estonia and having 3 international hubs, we are still a remote-first company with employees working from 30+ countries around the world. At CoinsPaid, we are passionate about crypto, fintech and are putting great effort into building a team that will get the world ready for every-day crypto use. If these feel close to you - give us a shout!

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: February 24, 2026