(Senior) Quality Assurance Engineer (f/m/d)
Zeal Network8 hours ago
Hamburg, GermanySenior
Responsibilities
- Shape and continuously improve the quality engineering strategy for the Backoffice application.
- Design and build automated test infrastructure across unit, integration, API, and end-to-end levels, with a focus on Playwright and TypeScript.
- Develop reusable test fixtures, test-data seeding, environment tooling, harnesses, and abstractions for realistic and repeatable testing.
- Build automated feedback loops and validation mechanisms for safer AI-assisted development.
- Create regression coverage for critical workflows, complex permissions, and financially, operationally, or compliance-sensitive scenarios.
- Strengthen CI quality gates and improve test execution speed and reliability.
- Investigate defects, flaky tests, and systemic quality issues and convert findings into engineering improvements.
- Triage and reproduce bugs with internal users and turn findings into clear actions.
- Promote quality practices, identify usability issues and edge cases, and collaborate with engineers, Product, UX, backend teams, and the wider QA community.
Requirements
- Strong software engineering skills and experience in quality engineering, test automation, SDET, or a comparable engineering-focused role.
- Strong hands-on experience with TypeScript or JavaScript and the ability to contribute production-quality code to a modern web application.
- Experience designing and building test frameworks, tooling, harnesses, fixtures, and automation infrastructure rather than only writing individual test cases.
- Strong experience with Playwright, Cypress, or a similar modern end-to-end testing framework.
- Good understanding of APIs, distributed systems, CI/CD pipelines, and applications integrating with multiple backend services.
Benefits
- State-of-the-art technologies, an agile environment, and a collaborative team culture.
- Annual professional development budget of €1,500.
- Flexible hybrid work options and a high-autonomy working environment.
- Unlimited vacation days in addition to the annual 30-day vacation allowance.
- Opportunity for workations abroad through the WorkFlex tool.
- €30 monthly mobility allowance, plus access to company bike leasing.
- Company pension scheme in partnership with Degura.
- Subsidized EGYM WELLPASS membership for €25 per month.
- Quarterly company events, regular team activities, and office lunches and gatherings.
Tech Stack
Categories
About Zeal Network
ZEAL Network SE builds and operates online lottery platforms for consumers, primarily in Germany via its LOTTO24 and Tipp24 brands, and partners with ONCE in Spain. The company earns revenue by brokering state-licensed lotteries and running its own prize formats such as Traumhausverlosung, and invests via ZEAL Ventures. It is publicly listed and headquartered in Hamburg.