Senior Full Stack Software Developer (m/f/d) AI Solutions, InsurTech

InsuranceHamburg

Associate

Help shape the future of digital insurance comparison with CHECK24.
At CHECK24, we are passionate about driving innovation in the insurance world with cutting-edge technology. Our goal: Germany's best insurance comparison - simple, fair, and transparent. With state-of-the-art tools, modern architectures, and AI technologies (LLMs, machine learning, and Co.), we develop smart features that offer real added value to millions of customers. In agile, cross-functional teams, we embrace quick decisions, flat hierarchies, and genuine team spirit.

Do you want to not only develop software, but also shape the future of InsurTech with AI innovations? Then get started now as a Senior Full Stack Software Developer (m/f/d) at CHECK24 Krankenversicherungen GmbH!
Curious about our CHECK24 location in Hamburg? Then click here Moin Hamburg or Software Engineering

• Degree in computer science, natural sciences, or a comparable technical field required
• Several years of professional experience in software development (at least 4 years) - ideally in agile environments
• In-depth knowledge of at least two programming languages and relational databases
• Practical experience with Symfony and/or React.
• Analytical thinking, self-motivation, and a desire for new challenges and responsibility.
• Very good German language skills (C1), team spirit, and a desire to work on site in the office.

• Continuously develop our applications and ensure quality, stability, and scalability through clean, high-performance code.
• Work across the entire stack-from frontend (React) to backend (Symfony, REST APIs) to databases and platform components.
• Integrate AI functionality (LLMs) into existing and new features in a production-ready manner.
• Optimize and scale our system landscape for performance, stability, and availability.
• Ensure high quality through code reviews, automated tests, and CI/CD pipelines.
• Take ownership of features or subcomponents-both functionally and technically-and actively contribute new ideas.

• The best of both worlds: CHECK24 fosters a culture of presence and combines all the advantages of an established company with startup flair. We plan for the long term, while giving you the opportunity to actively shape processes.
• Personal growth: Experienced colleagues, dedicated contacts, and our team spirit guarantee optimal onboarding. Specialized personnel development and a comprehensive training catalog promote your individual career. Regular retrospectives serve to continuously develop our collaboration.
• Attractive salary package: We also offer attractive vouchers for a wide range of CHECK24 products, generous support for company pension schemes, and excellent cost sharing for the EGYM Wellpass.
• Food & drinks: Free breakfast (choice of different types of muesli), free office lunch, fresh fruit, and hot and cold drinks are available throughout the working week - that goes without saying!
• Sustainable mobility: Our central location in the heart of Hamburg makes it easy to get to work by public transport or bike-we offer you a 100% free Germany ticket or subsidize your company bike lease. Comprehensive health package: A flexible health budget and the opportunity to participate in our joint sports activities (e.g., soccer, Alster runs, back fitness-also on the roof terrace in summer). Work-life balance: From Monday to Thursday, we work closely together on site. On Fridays, you have the option of working remotely. In addition to 28 days of vacation, you can take up to 10 days of unpaid leave. CHECKito spirit: Since we place great value on good teamwork in our office, you can expect a relaxed working atmosphere with a culture of informality, regular drinks and cool team events. During breaks, you can enjoy a table tennis table, foosball, our barbecue on the roof terrace, and the unique view over the Außenalster. We provide you with everything you need: an ergonomic workspace with modern equipment (such as a powerful MacBook Pro and additional monitors) and a height-adjustable desk from day one. Individual equipment such as an ergonomic mouse or noise-canceling headphones? No problem!

Maike Eckert

Maike Eckert

Please send us your application online using our application form.