Backend Engineer - Retention

About this role

ABOUT THE ROLE Are you an experienced backend developer with a curious mindset? Do you have a passion for building intuitive, cutting-edge solutions with state-of-the-art technology? At LeoVegas, we’re on a mission to deliver the greatest iGaming experience to our customers and technology is at the heart of making that happen. As part of our Retention domain, you’ll play a key role in developing the platforms and features that keep players engaged and coming back for more. This is a great opportunity to join a fast-moving, flat-structured team as a Senior Backend Engineer, where your work will directly shape value-generating features across our products. The Retention team powers the organisation with communication capabilities, ranging from indirect and direct communication with the players to a custom-built toolbox that enriches the player journey with bonuses, loyalty programs, and seamless cross-channel experiences. As one of the most crucial parts of the player lifecycle, the Retention domain ensures our players return for new, exciting, and rewarding experiences. We’re driven by excellence and fuelled by innovation now we’re looking for someone who wants to be part of that journey. YOU WILL BE RESPONSIBLE FOR: - Building scalable, robust and efficient solutions in our full-stack team and ensure the continuous delivery in our microservice architecture. - Being involved in technical discussions to challenge, propose, evaluate, and take a guiding and supportive approach to business needs. - Working closely with our operational units and stakeholders. - Driving your own initiatives with a high-quality mindset. - Working within the full chain of development, having end-to-end responsibilities. - Collaborative work across the organisation with other domains. - Making sure our IT ecology is scalable and ready for upcoming expansions. OUR SUCCESSFUL CANDIDATE WILL HAVE: ESSENTIAL SKILLS - Minimum of 4+ years of experience working as a back-end developer with Java and/or Kotlin - Experience with messaging tools (i.e. Kafka) - Experience with microservice architecture - You have experience with common Java frameworks such as Spring and JPA - MySQL relational databases are not something new for you - Experience with AI tools like Claude NICE TO HAVES - Experience with OpenAPI - Experience with BigQuery - Experience with Kubernetes WHO WE ARE At the core of LeoVegas Group is Team Leo. Our culture is our foundation and is what enables us to innovate, build, and lead as we trailblaze our way through the iGaming industry. We’re a team of almost 2000 innovators, initiators, and groundbreakers working in a fast-paced and agile environment across 19 offices worldwide. BENEFITS - Hybrid work policy (3 days a week from the office) - 4 weeks of Workation (T&C apply) - Benefits package - 800 PLN net (B2B)/gross (UOP) monthly with access to the cafeteria platform (private medical care, insurances, sports card) - Training budget - ICAS assistance program that can provide help and guidance during challenging moments. - Our office provides complimentary snacks and drinks; on Mondays, we serve complimentary breakfast. - Team and office social events throughout the year - Free parking for bicycles and motorcycles - Free gym in the building - Equipment: MacBook Pro + smartphone (iPhone 16/17 or Samsung Galaxy S25) JOIN US! In our pride, we like to empower our teammates to find their roar and run with their wildest ideas. We don’t wait around for things to happen. We pounce and make it happen! Would you be a good fit for the Leo Pride - give us a roar! As our company working language is English, we’d like to see your CV in English, please

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