Senior QA Automation Engineer

Summary

Senior QA Automation Engineer designs and runs automated tests for APIs, frontend, and integrations, with a focus on performance and security, while ensuring quality gates in CI/CD pipelines.

Contract: B2B, long term

Start date: mid-August

Mode: hybrid (2 days per week at the office in Warsaw)

Introduction & Summary:
A highly skilled Quality Engineer is sought to join a dynamic team focused on test automation and quality assurance. This role emphasizes expertise in API, frontend, integration, and end-to-end testing, with a strong focus on non-functional testing aspects such as performance and security. Ideal candidates will possess a collaborative mindset and a commitment to quality from the onset of the development process.


Main Responsibilities:

  • Executing API, frontend, integration, and end-to-end test automation.

  • Performing contract testing and schema validation.

  • Defining acceptance criteria from specifications.

  • Validating workflows, state transitions, authorizations, and audits.

  • Conducting data quality and traceability testing.

  • Implementing CI/CD quality gates and ensuring release readiness.

  • Carrying out non-functional testing for performance, reliability, and security.

  • Evaluating AI/agent performance including quality recommendations and validations.


Key Requirements:

  • Experience in spec-driven development mindset.

  • Knowledge of contract-first delivery methodologies.

  • Proficiency in .NET, React, and API-first delivery.

  • Understanding of agentic workflow and human-in-the-loop governance.

  • Commitment to auditability, traceability, and explainability by design.


Nice to Have:

  • Experience in cross-capability collaboration.

  • A strong quality and validation culture.