Junior Software Engineer Full Stack

New

CHECK24 Gruppe

Job

In this role, you will develop digital comparison calculators for health insurance, work across the entire stack, and collaboratively shape software architecture and features with your team.

Job summary

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Job technologies

Your role in the team

  • Do you want to do more than just write software—you want to understand it from the ground up and help shape it? At CHECK24 in Hamburg, you’ll develop our digital health insurance comparison tools for a portal used by millions of people every day.
  • You can look forward to owning features, having a say in architectural decisions, and making a direct impact on the product.
  • Our commitment: well-designed software architecture and consistently maintainable code.
  • We make technical decisions through direct, in-person discussions in German at our Hamburg office, with short decision-making paths to Product Management and the executive team.
  • Help shape the software architecture: You enhance existing features and rewrite them from scratch when needed.
  • You make architectural decisions together with your team.
  • Full stack without artificial boundaries: You work across the entire stack, including frontend, backend, infrastructure, and DevOps.
  • You are responsible for your features from conception through to production release.
  • Work closely with the product: Instead of simply working through tickets, you collaborate with Product Management to develop the best technical solution for our customers.
  • Engineering with high standards: Code reviews, automated tests, CI/CD, and clean code are an integral part of our daily work.
  • Use AI effectively: Claude Code, Cursor, and other tools are an integral part of our developers’ day-to-day work. They help you work faster, but you remain responsible for the code.

Our expectations of you

Education

  • Strong academic performance: You graduated with top marks in Computer Science or a comparable field.

Qualifications

  • A solid foundation in computer science: You’re familiar with data structures and object-oriented programming, as well as the fundamentals of good software architecture.
  • Quick learner: You quickly and independently get up to speed with new technologies and are also keen to understand infrastructure and operations.
  • You’ll get to know our tech stack through your own onboarding project, with feedback from experienced developers.
  • Self-motivation and commitment to quality: You work in a structured way, get to the bottom of knowledge gaps, and actively seek feedback to improve your solutions.
  • Fluent German skills (at least C1): You can explain technical decisions in German and discuss them directly with your team.

Experience

  • Practical coding experience: You have developed software beyond academic projects, for example as a working student (m/f/d) or through challenging personal projects.
  • Up to two years of professional experience are welcome.

What we offer

  • We work together in the office from Monday to Thursday, and you can work remotely on Fridays.
  • We deliberately work on-site at our CHECK24 office in Hamburg, right by the Außenalster, because close collaboration, quick coordination, and a genuine sense of team spirit 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 freedom to shape things that you’d expect from a startup.
  • We take a long-term view while giving you the opportunity to actively shape processes and topics.
  • Modern work with a genuine focus on the future—AI-first, not old-school: 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 everyday work.
  • Top-notch equipment from day one: A fully equipped, ergonomic workspace with a powerful MacBook, additional monitors, and a height-adjustable desk.
  • Need additional personal equipment, such as noise-cancelling headphones or an ergonomic mouse? Of course, we’ll provide that too.
  • Challenging and varied tasks: Look forward to the freedom to actively shape processes and direct communication channels with senior management.
  • Growth that’s truly within reach: Our strong growth creates real opportunities to take on responsibility quickly and develop both professionally and personally.
  • You’ll have access to individual training and development opportunities, as well as a wide range of training courses.
  • Developer Experience: A large and unique developer community is looking forward to meeting you!
  • Deeply rooted in Hamburg’s tech community, we regularly host a variety of meetups, code reviews, and speaker events at our office.
  • A great overall package: In addition to an attractive salary and 28 days of vacation, you’ll benefit from vouchers for many CHECK24 products, strong support with your company pension plan, and a generous subsidy for the EGYM Wellpass.
  • Food & drinks are on us: breakfast (a selection of different cereals), lunch, fresh fruit, and hot and cold drinks are available to you free of charge throughout the week.
  • In short: You have a lot to take care of—but not your meals at the office.
  • Easy and sustainable commuting: Thanks to our central location, you can easily reach us by public transport or by bike.
  • You’ll benefit from a completely free Deutschlandticket or a subsidy for leasing a company bike.
  • CHECKito spirit / Team spirit that feels genuine: We work closely together, support one another, and celebrate our successes together.
  • Whether it’s lunch, table football, after-work drinks, or team and company events, you can expect a relaxed environment with an informal, first-name culture and no dress code.

Benefits

Health, fitness & fun

Higher take-home pay

Topics you will work on

Job locations

About your employer

CHECK24 is one of Germany's leading online companies and the country's largest comparison portal. And we're growing - with you. If you want to move something, you've come to the right place. Experience the dynamics of e-commerce, agile processes, flat hierarchies and steep development curves.

Company type
Established Company
Work model
Onsite, Hybrid
Industry
Banking, Finance, Insurance · Internet, IT, Telecommunication

Employer reviews

4.1Total(3 reviews)
Engineering
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3.8
Working conditions
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4.3
Career growth
x
4.3
Team culture
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4.3
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Junior Software Engineer Full Stack

CHECK24 Gruppe