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CHECK24

(Junior) Fullstack Software Engineer (m/f/d) Factory

TypeScriptReactPHP
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Company Description

CHECK24 is the comparison portal: We are the market leader and a dynamic startup rolled into one. In agile teams, we make quick decisions and live flat hierarchies. Through the targeted use of the latest tools and technologies, as well as state-of-the-art AI methods, we drive data-driven innovations forward – always with a focus on added value for our customers. Every day, we work on more than 50 products to continuously improve the user experience for our over 20 million customers.

At CHECK24 Factory GmbH, we develop scalable technologies, data-driven features, and intelligent services for numerous CHECK24 products – used by millions of customers daily.

As a (Junior) Full Stack Software Engineer (m/f/d), you take on responsibility early on: for your code, for the quality of your solutions, and for the impact of your features in production.

Our goal is clear – your first feature should go live within your first week.

Our technology stack includes Golang, PHP, Kotlin, Swift, TypeScript, React, MySQL, and Cassandra, among others. You don't need to master every technology yet, but you should be eager to quickly learn new topics and systems. Artificial intelligence is not just a buzzword here, but an integral part of our engineering culture – from development and testing to technical conception.

Sound like you? Then apply now as a (Junior) Full Stack Software Engineer (m/f/d) at CHECK24 Factory GmbH – the tech heart of Germany's largest comparison portal!

Here you can get further insights into the CHECK24 Factory: Factory.check24.de

Job Description

  1. Develop Full-Stack features: You build apps, services, and platform components for central CHECK24 products – from React-Frontend, middleware, to the persistence layer.
  1. Bring new features live quickly: Together with product management, user experience, and quality assurance, you develop functions from conception to productive deployment.
  1. Ensure quality sustainably: You independently take responsibility for the performance, scalability, and maintainability of your solutions and actively participate in code reviews.
  1. Develop with AI support: You specifically use modern AI tools for development, testing, and technical conception.
  1. Drive technical solutions forward: You pragmatically analyze new requirements and develop sustainable technical concepts from them.
  1. Strengthen collaboration in engineering: Through close exchange with colleagues, you contribute to the continuous further development of our applications.

Qualifications

  1. Technical foundation: You have practical experience in software engineering and have already worked with at least one common programming language such as TypeScript, PHP, Golang, Kotlin, or Swift.
  1. Full-Stack motivation: You are characterized by an interest in modern Frontend and Backend development and a willingness to develop yourself professionally quickly.
  1. Initial practical experience: You have already gained experience with web technologies, APIs, or databases through your studies, projects, or work.
  1. Mobile curiosity: You are interested in additionally engaging with iOS and Android development.
  1. AI affinity: Initial experience with AI tools in daily development is a plus, or you have the motivation to specifically build this expertise.
  1. Collaboration at eye level: Above all, a pragmatic approach to technical challenges and constructive collaboration with colleagues count among your strengths.
  1. Language skills: Very good German skills (at least C1) and good English skills complete your profile.

Additional Information

Development and Responsibility

  • Your code reaches millions of customers daily and has a direct impact on numerous CHECK24 products.
  • Ownership from day one – take responsibility for productive features and contribute your own ideas.
  • Benefit from a technologically modern environment with a focus on Full-Stack development and AI-supported ways of working.
  • Fast development opportunities through close collaboration with experienced software engineers.

Team Spirit and Modern Workspace

  • A modern workplace in the CHECK24 headquarters at Donnersbergerbrücke with high-quality technical equipment awaits you.
  • Regular team and company events, as well as shared lunches, strengthen exchange with colleagues.
  • Short decision-making paths and an open feedback culture enable close collaboration within the team.

Flexibility and Balance

  • Flexibly adapt your work model to your life situation – with a choice between full-time and part-time.
  • With your free Germany ticket or a subsidized company bike, you can get to the office stress-free.
  • Twice a week, there is free fresh lunch – ideal for exchanging ideas with colleagues.
  • Stay fit with internal sports classes and the subsidized EGYM Wellpass offer.

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