Senior Java Backend Engineer Jobs in Hamburg

Why Reesi ExistsEvery year more than 500000 people in Germany are diagnosed with cancer. For many of them a clinical trial could be the best available treatment option yet only 5% ever participate.Not because trials dont exist. But because doctors often dont know which trials are running where and...

We are transforming into an AI-first engineering organization. As a Senior Java Backend / DevOps Engineer your role evolves from code producer to technical architect and orchestrator. You will guide AI agents to design test and deploy our high-scale gaming systems. You remain the expert ensuring arc...

Were looking for a Senior Backend Developer (m/f/d) to join our Transaction & Customer Team within the Checkout Unit onsite in Hamburg or remotely within Germany.Our team ensures a seamless shopping experience by managing the entire order lifecycle from cart to payment including chargebacks refund...

Join a team where your code doesnt just ship features - it keeps entire game worlds alive for tens of thousands to millions of players. At Goodgame Studios youll work on always-on distributed systems for modern games where latency throughput and uptime are measured in real player impact. This isnt C...

We are looking for a Backend Engineer (m/f/d) to join our App & Web team focussing on constantly improving the App Mobile Website and Desktop Website.Youll work on developing our backend API serving our App & Web Application. Additionally youll focus on hardening and optimizing the API for productio...

We are currently looking for a skilled & passionate Senior Backend Engineer (m/f/d) for Fulfillment Services to become part of our Fulfillment Tech Team at ABOUT YOU!Our Fulfillment Tech Team is responsible for efficient and stable system solutions connecting our internal systems with external logis...

adjoe is redefining the future of mobile by advanced AI first-party data and world-class engineers weve perfected the offerwall experience for monetizing and scaling app publishers with solutions like Playtime and Arcade now the fastest growing rewarded advertising channel globally driving increm...

Your missionAs a Senior Backend Engineer youll be instrumental in designing and scaling the systems that power our Ad-Tech platform including high-throughput tracking pipelines. Youll work alongside data scientists product specialists and frontend developers to drive measurable impact across million...

We are currently looking for a skilled & passionate Senior Fullstack Engineer (m/f/d) to become part of one of our Panel team.Our Panel team is the heart of SCAYLE driven by the passion to deliver and support a user interface for maintaining product shop customer and order data. As a Senior Fullstac...

Join us as Senior Java Backend Engineer on our existing and upcoming games!At Twin Harbour Interactive we strive to develop high-quality strategy games and make them accessible for all players around the our eyes game development is a promise for fun and entertainment - thats what we live and aim f...

Were looking for a Senior Backend Developer (m/f/d) to join our Transaction & Customer Team within the Checkout Unit onsite in Hamburg or remotely within Germany.Our team ensures a seamless shopping experience by managing the entire order lifecycle from cart to payment including chargebacks refund...