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Senior FullStack QA Engineer with Python (Programming language)

Remote - European Region
Remotefull-timeEngineering

Job 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:

  • Be the active part of Scrum team
  • Do requirements analysis, manual and automated testing and releasing products
  • Develop test documentation (checklist, test cases, quality reports) for manual and automation testing
  • Automate test cases based on the existing framework.
  • Tech stack: Python + Playwright: PyTest
  • Do functional and exploratory testing, including frontend, backend/api (mostly important focus), message queue, Execute all general types of testing.
  • Maintain and expand the automation testing framework
  • Participate in testing tools development (including Mocks)
  • Participate in quality processes architecture, estimations, test cases design
  • Participate in CI/CD process improvement
  • Coordinate your work with teammates and other QA
  • Evaluate product quality and influence on processes to improve quality assurance processes

Requirements:

  • 5+ years of experience in Quality Assurance, manual and automation testing
  • Experience in functional/non-functional testing (greybox(backend + API), integration, UI, acceptance testing, exploratory testing)
  • Deep understanding of QA approaches, testing principles, testing types, zero bug policy, test pyramid approach, tests coverage distribution and other
  • Superb quality of test documentation
  • Great understanding and first-hand experience of Scrum principles and/or other agile frameworks
  • Excellent in understanding of the SDLC from requirements analysis, development, deployment to application monitoring
  • Proficiency in Python-based testing frameworks (pytest, behave, other)
  • Good knowledge of modern QA practices, technologies, and processes
  • Experience in working with Continuous Integration, Continuous Delivery systems
  • Experience with REST API/Message Queues testing
  • Good SQL skills
  • Experience with ELK, Sentry, other monitoring/alerting tools
  • Independence and proactivity
  • Great communication skills and teamwork
  • Ability to quickly learn new things
  • Good level of spoken and written English and Russian

Nice to have:

  • Experience in load/stress/performance testing
  • Experience with Kubernetes
  • Experience in Fintech, Blockchain or other complex domain with heavy business logic and integrations

About CoinsPaid

First seen: February 6, 2026
Last updated: August 31, 2026