Senior Data Engineer (f/m/d)

ZEAL Network SE is an international group shaping the future of digital lotteries and dream-driven experiences. As Germany’s leading online lottery provider through LOTTO24 and Tipp24, and a partner of Spain’s ONCE, ZEAL combines innovation, technology, and entertainment to inspire millions of customers.

With ventures such as Freiheit+, Traumhausverlosung, Traumautoverlosung and ZEAL Ventures, the company also invests in new business models and emerging e-commerce brands. Driven by a diverse team of 350+ professionals, ZEAL fosters a collaborative, ambitious culture focused on turning dreams into reality.

The role: As a Senior Data Engineer, you'll be at the forefront of modern data tech, driving the development of our data ecosystem. Here's what you'll dive into:

Your tasks

Seamlessly collect, process, store, and optimize company data to unlock its full power. Develop cutting-edge data solutions from the ground up, collaborating with various stakeholders from design to deployment. Identify automation opportunities for existing and new applications to enhance efficiency.

Create a DataOps strategy and champion best practices to ensure data reliability and scalability. Innovate and enhance data quality and architecture within your scope. Push the boundaries of innovation by embracing the latest technologies and methodologies. What you offer us: Proficiency in Agile Software Development methodologies.

Comfortable with Python, Kotlin, and Golang, and eager to explore new data technologies. Proficient in ML frameworks and libraries, able to work closely with Data Scientists to optimize data solutions. Technical Chops: Experience in architecting and developing production-grade data solutions.

Passionate about working with large-scale datasets, highly skilled in SQL and big data tools like Kafka. Proficient in Cloud Data Warehouse systems such as Redshift, Snowflake, or BigQuery. Familiar with Modern Data Stack, Data Mesh, GitOps, and ideally experienced with dbt.

Ability to translate business needs into technical requirements effectively. Confidence in working with AI tools like Claude Code are a nice to have. Strong communication skills in English with a collaborative spirit.

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!