ZEAL Network SE is a dynamic, international group of companies that has been creating exciting and innovative lottery experiences for over 20 years. As Germany’s largest provider of online lotteries through our brands LOTTO24 and Tipp24, and a trusted partner of Spain’s ONCE, the second-largest national lottery, we’re 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.

Our team of 250+ professionals from diverse backgrounds is united by a visionary mindset, a passion for collaboration, and a commitment to inspire dreams. At ZEAL, we empower our people to think ambitiously and work together toward a shared purpose: helping people imagine and achieve their aspirations.

freiheit+ is a corporate start-up in Hamburg and part of the listed ZEAL Network SE. We are building a social lottery that provides extra freedom. 20% of our sales go directly to the license holder BildungsChancen gGmbH. This supports initiatives such as SOS Kinderdörfer worldwide, the German Children and Youth Foundation and the Stifterverband. As a young in-house start-up team, we at freiheit+ work in an agile manner and are open to innovation. 

Your tasks:

• Drive and develop a data culture in a start-up situation, delivering analyses, but also checking for data consistency and uncover patterns that drive insights and growth.

• Support the Team Lead and mentor Data Scientists, ensuring code reviews, enforcing tooling, and introducing new Data Science techniques and ways of working.

• Identify and refine strategic projects, working with the Team Lead to define scope and deliverables and prioritize work in a dynamic, evolving environment.

• Own high-value projects, break them into tasks, onboard the team, and ensure outcomes and stakeholder communication, adjusting quickly to changing needs.

• Build relationships with cross-functional teams and stakeholders and communicate insights to leadership.

• Ensure sustainability of projects through documentation, knowledge sharing, and code access, ensuring scalability in a fast-paced setting.

• Collaborate with other Data teams and facilitate timely involvement in requirements.

• Experiment with ML for analytics and conduct A/B testing for actionable insights.

What you offer us: 

• Experience in providing agile data solutions in a start-up environment

• You can perform complex analyses, including A/B tests, in either Python or R.

• Experience in some of the following: personalization, Google Analytics, SQL, Shiny Server, Tableau and MS Automate.

• Experience managing data projects, gathering requirements, and ensuring delivery.

• First leadership experience in Data Science, including mentoring and coordination would be a plus.

• Knowledge of project sustainability, documentation, and code accessibility.

• You are able to find pragmatic solutions and adapt to change quickly.

• Familiarity with agile environments, e-commerce metrics, and/or cohort analysis.

• You enjoy expanding your Data Science, ML and programming toolsets, bringing new knowledge into the team.

• Excellent communication and collaboration skills in English.

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 our product-focused organization and 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, offering the freedom to work where and how you’re most productive.

• Generous time off: enjoy unlimited vacation days in addition to your 30-day vacation allowance, with the opportunity for workations abroad using our WorkFlex tool.

• Monthly mobility allowance of €20 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 where we gather to celebrate, along with regular team activities and informal gathering, a favorite being our Healthy Tuesday lunches or Pizza Thursdays in the office!

Not ticking every box or think you’ve got that unique set of skills we haven’t realised we need? Get in touch anyway; we’re always looking to add great people!