Full-Stack Entwickler (m/w/d) – Fokus Frontend

About the Position

CHECK24 is the comparison portal: We are market leaders and a dynamic startup in one. By using the latest tools and technologies and state-of-the-art AI methods, we drive innovation – always with an eye on the added value for our customers. We work daily on more than 50 products to continuously improve the user experience of our over 20 million customers.

In the CHECK24 Explorer experience comparison, we combine adventure and technology. We enable users to easily find, compare, and book experiences such as city tours, snorkeling trips, or cooking classes. For this, we develop data-driven systems that provide tailored recommendations.

If you are passionate about developing end-to-end features in a dynamic environment where the customer is at the center, we look forward to your application as a Full-Stack Developer (m/w/d) – Focus Frontend at CHECK24 Vergleichsportal Explorer GmbH in Erfurt.

Responsibilities

• Implementation of new features across the entire technology stack with a focus on modern Next.js frontends
• Development of responsive UI components and screen designs in HTML, CSS, and TypeScript; connecting features to our PHP and Go backends
• Optimization of performance, loading times, and usability for web and mobile
• Integration of backend services, databases, and AI-supported recommendation systems for personalizing the offer
• Design and further development of the application architecture in close collaboration with product management, UX, and backend teams
• Expansion of automated tests, CI/CD pipelines, and monitoring for high software quality

Requirements

• Several years of experience in frontend development with React/Next.js and solid knowledge in PHP and/or Go for backend services
• Proficiency in JavaScript/TypeScript, responsive design, and UI/UX principles; experience with API design and database connections
• Interest in generative AI and the integration of LLM-based functions in web applications
• Quality awareness, hands-on mentality, and enjoyment in creating innovative products as a team
• Fluent German and English skills (at least C1 level) in speech and writing

Nice to Have

• Experience with generative AI
• Experience with LLM-based functions

We Offer

• We value your commitment: Unlimited contracts and an attractive compensation package with annual bonuses for outstanding achievements. Vouchers for numerous CHECK24 products, subsidized occupational pension scheme, and many other benefits are included
• We support your relocation: If you move to Erfurt for this position at CHECK24 Vergleichsportal Explorer GmbH, you will receive a one-time relocation bonus of 2,000€ to make your start with us even easier
• We advance your career: Individual career development, training, a personal further education budget, and regular feedback discussions and personal coaching. Due to our strong and sustainable growth, we offer you perspectives in both specialist and management careers
• Your ideas matter to us: Independent, agile work with real scope for your ideas in an innovative environment. Short decision-making processes and access to the latest AI tools, including a flexible token budget, are a matter of course for us
• Easy commute: Thanks to a subsidy for the job ticket/Germany ticket and bicycle/eBike leasing, you can commute to the office in a climate-neutral and cost-effective way
• Flexible working hours: More than 30 days of vacation for excellent performance and the option for additional unpaid leave, sabbaticals, and workation abroad
• Personal exchange and team spirit: We cultivate our office culture with personal interaction, close collaboration, and great team cohesion. Fridays offer the possibility of "Home Office" (mobile working). We are much more than just colleagues – experience our CHECKito spirit for yourself
• Feel at home: Our daily free CHECKito lunch as well as drinks, muesli, and fresh fruit provide energy
• Attractive sports program with a personal trainer: Stay fit with yoga or bootcamp training with a personal trainer or with our 50% subsidy for the EGYM Wellpass
• We celebrate our successes: We have a collegial and friendly environment. Experience the CHECKito spirit at sports activities, joint celebrations, and regular team events

Contact

Lydia Kretschmer

[email protected]

Please send us applications exclusively online via our application form.

Apply now

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