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.
LOTTO24 is Germany’s leading online provider of state-licensed lottery products, offering customers convenient and secure access to popular games like LOTTO 6aus49, Eurojackpot, and GlücksSpirale. As a trusted partner of the state lotteries, LOTTO24 ensures that every ticket sold helps support charitable, social, and community projects across Germany. By combining ease of play, trusted security, and meaningful social contributions, LOTTO24 exemplifies ZEAL’s vision of making lottery participation more accessible while giving back to society.
As our Android QA Engineer (f/m/d), you’ll join our team to help shape the future of mobile lottery experiences. You’ll play a key role in evolving our Android app by implementing robust tests for Jetpack Compose / Kotlin and web views, ensuring a robust, smooth, and accessible experience that millions trust.
Your tasks:Drive the spirit of High Quality within the team. Test and maintain native Android applications using Kotlin, Jetpack Compose Test and Espresso.
Take ownership of the quality of our Android apps — from ideation and implementation to testing and release.
Own and maintain the test framework in collaboration with the developers and QA engineers to create automated tests in Android, manually test user stories and explore the quality of the apps.
Collaborate closely with developers, UX designers, and product owners in your direct team and beyond, and work with backend, frontend, other QA engineers and DevOps developers across other teams.
Conduct thorough reviews of product specifications and software design to identify potential areas of concern even before testing.
Continuously improve QA processes, tools, and best practices to enhance software testing efficiency and effectiveness.
Monitor performance and stability with Firebase Crashlytics, and explore opportunities to enhance observability with tools.
Identify, document, and track software defects, ensuring clear communication of issues and recommend actions for fixing.
Participate in code reviews, mentor colleagues, and help uphold quality standards across the team.
You bring at least 3 years of hands-on experience testing native Android apps.
You’re a collaborative team player who thrives in a cross-functional team with UX, product, and developers, and you’re comfortable working with quality engineers from other teams to deliver end-to-end features.
Practical experience with Kotlin, Jetpack Compose Test and Espresso, and an interest in growing that skill.
Solid understanding of testing pyramid and diagnosis of complex problems.
You are comfortable writing UI and end-to-end tests.
Familiarity with app release processes, Google Play Store, continuous integration using GitHub Actions or similar and finding issues with Firebase Crashlytics.
Experience working with RESTful APIs, JSON, and modern networking libraries.
Strong English and good German communication skills, both written and spoken.
Detail-oriented with a good eye for UI/UX and accessibility principles.
Experience with testing other apps like iOS apps and web apps are a plus.
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.
Monthly company events, team activities, and informal gatherings, including our popular company-wide lunches provided four days a week.
Not ticking every box or think you’ve got that unique set of skills we haven’t realized we need? Get in touch anyway, we’re always looking to add great people!
Top Skills
What We Do
ZEAL Network SE is an international, listed group of companies that has been creating exciting and entertaining lottery experiences for over 20 years. In Germany, we are the largest provider of online lotteries through our brands, LOTTO24 and Tipp24. In Spain we work with the second largest national lottery, ONCE. Through ZEAL Ventures, we are involved in exciting e-commerce start-ups such as Omaze and DAYMADE. We have 180+ employees from various countries who act independently and think in a visionary way. Our corporate culture is characterized by team spirit, empowerment, and high ambition. Together we have a clear goal: to encourage people to dream.
