X-FLOW is a mobile game development company established in 2018. We gained recognition after the release of Happy Color, the most popular digital coloring book and one of the most successful ad-driven mobile apps in the world. We take pride in our diverse and talented team and partners, spread across the UK, Cyprus, the Netherlands, and other regions worldwide.

We are currently looking for a proactive QA Automation Tech Lead (Web & Backend) for our flagship project, Happy Color.

Key Responsibilities:

• Design and develop test frameworks from scratch (e2e/UI, API, contract, integration), including setting standards and best practices.
• Own automation roadmap and technical vision.
• Increase effective test coverage with a focus on critical user flows and APIs.
• Integrate testing into CI/CD pipelines, including PR runs, nightly/regression tests, flaky detectors, quarantine mechanisms, artifact management, and maintaining stable quality gates.
• Mentor the team, conduct test code reviews.
• Work closely with developers to reduce technical debt, improve testability, and enhance developer experience (DX).

Requirements:

• Experience: 4+ years in QA Automation, with at least 3+ years working with TypeScript/JavaScript.
• Deep experience with Playwright and/or Cypress; understanding of architectural differences and expectation models.
• Experience with REST/GraphQL API testing; creating contract tests, working with schemas (OpenAPI/Swagger), and client generation.
• Experience with GitLab CI, artifact management, sharding/parallelism, retries, and pipeline containerization.
• Proficiency with Docker; experience with Kubernetes (k8s) is a plus; familiarity with basic AWS services for test environments.