QA Tech Lead

RTB House is a next-generation performance demand-side platform (DSP) that uses proprietary Deep Learning AI algorithms to help brands grow. The company is the market leader in driving performance using Deep Learning across the entire purchase funnel. Founded in 2012, and now operating in 90+ markets, RTB House has always been private-by-design. It embraces first-party advertising and a relentless approach to innovation. RTB House offers end-to-end Deep Learning-powered AdTech products and solutions to maximize conversion, drive new customer acquisition, create engagement, and fuel long-term demand for a global base of clients. The Product Tools team is responsible for developing and maintaining self-service platforms for managing advertising campaigns with advanced reporting and forecasting capabilities — used by both internal and external users.

Must have:

• At least 5 years of experience in QA roles, with a proven track record of designing automation architectures.
• Experience in at least 2 different companies/organizations.
• Strong proficiency in either Python or TypeScript for test automation.
• Deep understanding of modern software architecture, API testing, and frontend automation patterns.
• Experience using AI tools (LLMs, agents, coding assistants) to speed up writing test scripts, generating edge-case data, and documenting created artefacts.
• Experience in owning or organizing QA processes at a team or department level.
• A "Lead" mindset balancing high-level strategy with hands-on automation and exploratory testing.
• Technical fluency: Git, Linux basics, and solid SQL skills.
• Languages: English (B2+), Polish (B2+).

Nice to have:

• Experience in building/scaling QA chapters in fast-growing engineering teams.
• Deep knowledge of CI/CD pipelines and cloud-native environments (GCP, Docker, Kubernetes).
• Performance and load testing expertise.
• Experience with GraphQL and BigQuery.
• UX-oriented mindset advocating for the end-user.

• Architect and oversee the overall testing strategy for both frontend and backend systems.
• Design, develop, and scale automated testing frameworks using Python or TypeScript (e.g., Pytest, Playwright, Cypress).
• Drive the technical evolution of QA processes, ensuring integration into the CI/CD pipeline and cloud infrastructure.
• Perform high-level exploratory testing of complex new features, providing feedback on system design and edge cases.
• Collaborate as a technical peer with developers, architects, and product stakeholders to ensure quality is built-in from the design phase.
• Mentor the team in best practices for testability, automation patterns, and defect management.