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Senior Quality Assurance Engineer (f/m/d)

HamburgPosted 14 Oct 2026

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About this role

ZEAL Network SE is a leading international provider of online lottery products, operating for over 20 years with brands like LOTTO24 and Tipp24. As Germany’s largest digital lottery operator and a trusted partner of Spain’s ONCE, we are passionate about shaping the future of lottery experiences. Freiheit+ is one of ZEAL's new German state-licensed social lottery that gives participants the chance to win €5,000 every month for 15 years, plus a one-time prize of €250,000.

Every ticket sold supports educational projects, with at least 30% of proceeds directly funding initiatives for a good cause. Freiheit+ perfectly combines the dream of lifelong financial freedom with the opportunity to make a real difference, reflecting ZEAL’s commitment to offering innovative, socially impactful lottery experiences. As a Senior Quality Assurance Engineer (f/m/d), you'll be the guardian of product quality, ensuring our solutions meet the highest standards throughout the entire development lifecycle.

YOUR TASKS: - Technically design, develop and maintain automated tests, complemented by manual and exploratory testing, continuously growing our E2E test coverage in step with the product. - Collaborate within a dynamic, cross-functional team including a Product Owner, Software Engineers and a Designer in our agile environment, actively contributing to the development of new products and frontends. - Own, shape and refine our test strategies for the frontend, prioritizing based on risk and business impact, with a keen focus on delivering a seamless user experience for our customers while preventing any unwelcome surprises.

- Proactively communicate test coverage, quality status and risks, enabling the team to make informed delivery decisions. - Act according to security, usability, and performance best practices to guarantee a superb user experience. - Own, expand and nurture our E2E test pipeline, keeping it stable, fast and reliable, and enabling tests for other teams while offering our own tests for integration into their pipelines. - Continuously improve our tests using new technologies and approaches.

- Build a solid functional and high-level technical understanding of company-wide processes to effectively test complex user flows and identify edge cases. WHAT YOU OFFER US: - Several years of experience and a strong background in testing web applications. - Extensive hands-on experience in creating and maintaining automated frontend tests. - Thinking outside the box and exploring multiple ways to test, including E2E UI tests, accessibility, page performance, and more.

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- Active communication and collaboration with other QAs to share knowledge, exchange best practices, and learn from each other. - Proficiency in the Playwright test framework using TypeScript, or comparable hands-on experience with other modern E2E frameworks such as Cypress. - Experience in maintaining and improving CI/CD test pipelines, including diagnosing and resolving flaky tests. - A solid grasp of working within a microservices environment where features are frequently and rapidly released (continuous delivery).

- An enthusiasm for collaborative work within self-organized teams, coupled with the willingness to take full ownership and responsibility for quality topics. - A proactive communication style and excellent communication skills in English, fostering a collaborative and cooperative atmosphere; German is appreciated but not required. WHAT WE OFFER: - State-of-the-art technologies and an agile environment (Check our Tech Radar: https://lotto24.github.io/tech-radar/) - A modern, dynamic culture grounded in the success of a leading-edge e-commerce company.

- A talented team of ambitious, like-minded colleagues where your knowledge and ideas truly make an impact. - Ongoing personal growth, supported by an annual development budget of €1,500 to invest in your professional development. - Trust and autonomy, no micromanagement, just confidence in your ability to deliver and excel. - Flexible work options with a hybrid setup focused on results. - Unlimited vacation days in addition to your yearly 30-day vacation allowance.

- Opportunity for workations abroad using our WorkFlex tool. - Monthly mobility allowance of €30 to use on the mobility option of your choice (e.g., the Deutschlandticket), plus access to a company bike leasing program. - Company pension scheme, provided in partnership with Degura, to support your future financial security. - Subsidized EGYM WELLPASS membership, with a contribution of only €25 per month, giving you access to a wide range of gyms and sports options across Germany.

- Quarterly company events, along with regular team activities and informal gatherings, a favorite being our Healthy Tuesday lunches or Treat Thursdays in the office! Sounds exciting? Great! We're looking forward to receiving your online application.

Source listing: ashby_zeal-network

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