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!