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 350+ 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.

Your team's mission is to own Zeal's Fraud Prevention & Player Protection domain as part of the Core Platform: fraud detection and automated blocking across the customer lifecycle, dunning and debt collection, AML, and responsible gambling. As Tech Lead, you translate risk, regulatory, and player-protection requirements into scalable platform capabilities that keep our operations compliant and reliable.

Your tasks

You lead a product-focused engineering team that builds and evolves Zeal's core B2B platform capabilities for internal business customers

Hire, Build and lead a team of 2 engineers: Create a high-performing team, fostering an ownership-driven and reliability-focused engineering culture

Evaluate and introduce fraud detection and prevention platform

Lead technically and strategically, define and drive architectural decisions together with your team

Code as part of the team: While guiding architecture and strategy, you’ll regularly write code, contribute to features, and help solve complex technical challenges together with your team

Champion the effective use of AI in your team's engineering workflows (e.g. AI-assisted development and tooling) and explore opportunities to apply AI within the platform's capabilities

Act as a sparring partner for Product Management and our internal businesses to define and drive product and tech strategy

Deliver secure, robust and maintainable technical solutions while focusing on great customer experiences and business needs

Drive collaboration: Work closely with other teams to align APIs, technical interfaces, and architectural consistency

Own and operate the domain and the team’s microservices.

What you offer us

Proven people leadership skills, with an empowering style that enables rather than micromanages

Strong and up-to-date hands-on experience working with Kotlin/Spring Boot, Mongo/PostgresDB

A “You build it, you run it” mindset, with experience in deploying, monitoring, and maintaining microservices on Kubernetes.

Strong understanding of how to create and evolve REST-APIs that clients like to use and Event-driven processing pipelines built on Kafka.

Ability to translate business requirements into technical solutions, and to align diverse stakeholders

Strong engineering fundamentals in building secure, scalable, and reliable systems, including security-by-design, resilience patterns, and operating production systems at scale.

Experience with agentic AI development practices and operating models.

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.