Senior Test Automation Engineer

Remote (Poland)Found today
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We are looking for you, if you have:

  • 5+ years in software quality engineering

  • Proven experience in defining test strategies for web platforms or SaaS products

  • Proven experience in setting up, owning, and maintaining test automation repositories using Python or TypeScript, including repository structure, coding standards, CI integration, code reviews, and long-term maintenance

  • Strong hands-on experience automating REST API tests (e.g., pytest + httpx, Playwright API testing), including: schema validation against OpenAPI (contract testing is a plus) asynchronous flows (polling, state machines, queues, WebSockets) auth and access control (OAuth2/OIDC, JWT, role- and tenant-based access, negative cases)

  • Proven experience with Playwright on React/SPA applications. You have kept a large suite stable and kept flaky tests measured and under control

  • Experience building quality gates in GitLab CI (or a similar tool) with Docker. Experience testing cloud-hosted applications and debugging through logs, metrics and traces

  • You understand how LLM-based agents behave (tools, memory, non-determinism). You use AI assistants (e.g., Claude Code, GitHub Copilot) every day in your own work: writing tests, analysing failures and documenting. You review AI-generated code critically

  • Strong collaboration and reporting skills; ability to work in cross-functional and international teams. Strong analytical and problem-solving skills with attention to detail

Nice to have:

  • AWS experience (Lambda, API Gateway, DynamoDB, S3, CloudWatch, Bedrock AgentCore).

  • Experience with Strands or other agent frameworks (e.g., LangGraph, CrewAI).

  • Familiarity with LLM evaluation tools (e.g., DeepEval, Promptfoo, Ragas).

  • Experience with MCP / A2A servers and protocols.

  • Knowledge of vector-based retrieval systems.

  • Experience in monitoring & observability.

  • Experience with full-stack application testing.

  • Security testing: working knowledge of the OWASP Top 10 (web and API) and hands-on penetration testing experience (e.g., Burp Suite, OWASP ZAP)

  • Knowledge of GxP or regulated environments is a plus.

  • Strong analytical mindset and attention to detail.

We offer:

  • Participation in interesting and demanding projects

  • Flexible working hours

  • A great, non-corporate atmosphere

  • Stable employment conditions (contract of employment or B2B contract)

  • Opportunities for development and promotion

  • Attractive package of benefits

  • Work model: remote or hybrid (2 days per week from the office)

We reserve the right to contact the selected candidates.

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Transition Technologies MSSenior Test Automation Engineer
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