Senior Full-Stack Developer with a Focus on AI, InsurTech

• You are responsible for your tickets end-to-end-from conception to production deployment.
• You’ll analyze business and technical requirements and translate them into clean, maintainable solutions.
• You’ll ensure quality through unit and integration tests.
• You’ll actively participate in code reviews-giving and receiving feedback is part of our daily routine.
• Further development of our modern backend services and UI toolkits.
• You continuously optimize the user experience, especially on mobile devices For more complex issues, experienced lead developers are there to support you as sparring partners.

Coding is your thing-at CHECK24, we’re looking for people with drive, courage, and the determination to make a big impact. What matters most is how purposefully you learn, take on responsibility, and are willing to push yourself beyond your limits. Technology and artificial intelligence are our tools-our driving force is the value we deliver to our customers.

As a Senior Full-Stack Developer (m/f/d) with a focus on AI, you’ll actively shape the further development of our digital insurance products.

Are you passionate about IT, do you have exceptional drive, and do you want to make a tangible impact? Then you’re a perfect fit for us. With us, you’ll develop innovative applications that take CHECK24’s InsurTech division to the next level. For us, this naturally includes the use of artificial intelligence-both in software development and in our internally developed applications.

Together, we’ll help you reach your full potential and drive the use of AI in the insurance industry. Help us continuously improve Germany’s best insurance comparison platform-your success is our success.

Your future starts now-as a Senior Full-Stack Developer (m/f/d) with a focus on AI at CHECK24 Vergleichsportal für Sachversicherungen GmbH What You Bring to the Table

• A completed degree in computer science or a comparable technical field is required.
• At least 3 years of experience in web development.
• Strong knowledge of TypeScript or PHP-you already have in-depth experience with at least one of these technologies.
• Understanding of clean code, testing, and modern software architecture.
• Some experience with AI tools (e.g., Claude Code, Cursor) and an interest in using them effectively in the development process.
• Enjoyment of agile teamwork and structured, independent work. You read documentation before using a function.
• Good written and spoken English skills (C1) and German skills (B2), a team-oriented mindset, and a desire to work as part of a team in the office round out your profile.

What CHECK24 Offers You

• A work-life balance that fits your daily routine: From Monday through Thursday, we work together in the office; on Fridays, you can work remotely. We make a point of working on-site at our CHECK24 office-because direct collaboration, quick coordination, and a genuine sense of teamwork make all the difference in our day-to-day work.
• The best of both worlds: With us, you get the security and stability of an established company-combined with the drive, speed, and creative freedom of a startup. We think long-term while giving you the chance to actively shape processes and initiatives.
• Modern work with a genuine focus on the future-AI-first instead of old-school: With us, you’ll work with modern technologies and use tools like ChatGPT Enterprise, Claude Code, Cursor.ai, and other AI applications as a natural part of your daily routine.
• Top-of-the-line equipment from day one: A fully equipped, ergonomic workspace with a high-performance MacBook, additional monitors, and a height-adjustable desk. Additional personalized equipment like noise-canceling headphones or an ergonomic mouse? You’ll get those, too, of course.
• Challenging and varied tasks: Look forward to the freedom to actively shape processes and direct lines of communication with senior management.
• Growth That’s Truly Possible: Our strong growth creates real opportunities to quickly take on responsibility and develop both professionally and personally. To support this, you’ll have access to personalized training and development opportunities as well as a broad range of training programs.
• Comprehensive benefits package: In addition to an attractive salary and 28 days of vacation, you’ll benefit from vouchers for many CHECK24 products, substantial support for your company pension plan, and a generous subsidy for the EGYM Wellpass.
• Food & Drinks on the House: Breakfast (a selection of different cereals), lunch, fresh fruit, and hot and cold beverages are available to you free of charge all week long. In short: You have plenty to worry about-but not your meals at the office.
• Easy & sustainable commuting: Thanks to our central location, you can easily reach us by public transportation or bike. You’ll benefit from a completely free Deutschlandticket or a subsidy for your company bike lease.
• CHECKito Spirit / Genuine Team Spirit: We work closely together, support one another, and celebrate successes as a team. Whether it’s lunch, foosball, after-work get-togethers, or team and company events: You’ll find a relaxed environment here where we’re on a first-name basis and there’s no dress code.

Do you have any questions?

Dominik Boy