(Senior) Full Stack Developer (fmd)

ZEAL Network SE is a dynamic international group of companies that has been creating exciting and innovative lottery experiences for over 20 years. As Germanys largest provider of online lotteries through our brands LOTTO24 and Tipp24 and a trusted partner of Spains ONCE the second-largest national lottery were shaping the future of the lottery industry. We are passionate about driving innovation as demonstrated by our newest brands Freiheit and Traumhausverlosung which bring fresh and exciting dreams to life. Additionally through ZEAL Ventures we invest in inspiring e-commerce start-ups like Omaze and DAYMADE fueling fresh ideas and opportunities.

We are looking for a (Senior) Full Stack Developer (f/m/d) to join our team and contribute to building scalable workflows integrating backend services and defining reusable frontend patterns for a platform used by internal colleagues across multiple markets and business domains. With direct access to users you will help shape practical solutions together with Product and UX.

• Shape and build a modern application from scratch creating the technical foundation for a scalable internal platform

• Take ownership of frontend topics and drive technical decisions

• Work closely with product design and backend teams in a lean agile environment

• Integrate and evolve RESTful APIs in collaboration with backend engineers

• Ensure high-quality implementation of UI/UX designs with a strong focus on performance and scalability

• Write and maintain tests to ensure reliability security and performance

• Contribute to deployment monitoring and overall application stability together with DevOps

• Identify and drive improvements in performance user experience and conversion

• Measure analyze and iterate on product features based on data

• Strong experience as a Senior Full Stack or Frontend Engineer with a focus on modern web technologies

• Deep expertise in JavaScript React and (App Router Server Components Server Functions)

• Proficiency in TypeScript HTML5 and CSS3

• Hands-on experience with tools such as Tailwind CSS React Hook Form TanStack Query Zod Shadcn/UI or similar (Tailwind CSS is a must have everything else nice to have)

• Ability to write clean maintainable and performant code and design scalable architectures

• Solid experience integrating and working with REST APIs

• Experience with testing strategies for frontend applications (nice to have)

• Interest in using modern development tools including AI-assisted workflows to improve productivity and quality (nice to have)

• State-of-the-art technologies and an agile environment (Check our Tech Radar: 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 1500 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 youve got that unique set of skills we havent realized we need Get in touch anyway were always looking to add great people!

Required Experience:

Senior IC