Middle/Senior QA Automation Engineer (TypeScript/JavaScript)

BrainRocket is a global company creating end-to-end tech products for clients across Fintech, iGaming, and Marketing. Young, ambitious, and unstoppable, we've already taken Cyprus, Malta, Portugal, Poland, and Serbia by storm. Our BRO team consists of 1,300 bright minds creating innovative ideas and products. We don’t follow formats. We shape them. We build what works, launch it fast, and make sure it hits.

We are looking for a skilled and motivated Middle/Senior QA Automation Engineer with a strong background in JS/TS to join our dynamic team at BrainRocket.

The role is on-site and requires working from the Warsaw office.

✅ Main requirements:

✔️3–5+ years of experience in test automation within product or platform teams;

✔️Strong hands-on experience with TypeScript / JavaScript;

✔️Experience writing end-to-end tests alongside application code (near-code / monorepo approach);

✔️Proven experience working in cross-functional teams with close collaboration with Backend, Frontend, and DevOps engineers;

✔️Practical experience with modern E2E testing frameworks (Playwright or equivalent)

✔️Strong understanding of testing principles and strategies, including the test pyramid, shift-left approach, and contract testing;

✔️Experience with REST API testing, data validation, and system-level testing;

✔️Ability to design and implement mocks, stubs, and other test doubles to ensure stable and isolated tests;

✔️Solid understanding of object-oriented and/or functional programming concepts as applied to test code and frameworks;

✔️Experience working with CI/CD pipelines (GitLab CI, Jenkins, GitHub Actions, or similar);

✔️Familiarity with test observability and reporting tools (e.g., Allure, TestOps, CI-based reporting);

✔️Strong communication skills with the ability to actively participate in technical discussions and challenge requirements constructively;

✔️English proficiency at an Intermediate level or higher, both written and spoken.

✅ Nice to have:

✔️Experience writing and maintaining integration tests (service-to-service, contract-based testing);

✔️Experience contributing to the design and evolution of test automation frameworks;

✔️Practical knowledge of Docker and test environment configuration;

✔️Experience testing GraphQL APIs;

✔️Experience with distributed systems or high-load platforms;

✔️Experience in non-functional testing, including performance, reliability, and resilience testing.

✅ Responsibilities:

✔️ Design, implement, and maintain end-to-end automated tests in TypeScript, developed and maintained alongside the application code;

✔️Collaborate closely with developers throughout the feature lifecycle, including design, implementation, and defect resolution;

✔️Participate in defining test strategies at both feature and system levels;

✔️Contribute to the development and continuous improvement of the automation testing framework;

✔️Make informed decisions on the appropriate use of mocks, stubs, or real integrations depending on testing goals;

✔️Ensure automated tests are reliable, maintainable, and suitable for execution in CI/CD pipelines;

✔️Participate in code reviews for test code and, when appropriate, application code;

✔️Provide fast, clear, and actionable feedback on quality and defects to the development team;

✔️Promote a built-in quality mindset and continuous improvement of testing practices across the team.

✅ We offer excellent benefits, including but not limited to:

🧑🏻 💻 Learning and development opportunities and interesting challenging tasks;

📝 Official employment following the laws of Poland/EU, registration of family members;

✈️ Relocation package (tickets, staying in a hotel for 2 weeks);

📚 Opportunity to develop language skills and partial compensation for the cost of language classes;

🎁 Birthday celebration present;

🏝 Time for proper rest and 24 working days of Annual Vacation.

Join BrainRocket and rock with us! 🚀

Bold moves start here. Make yours. Apply today!