Job
In this role, you will develop innovative features for an AI travel planner, work on backend services and frontend components, and integrate AI-powered functions like chatbots for our comparison platform.
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Job technologies
Your role in the team
- At CHECK24, we are shaping the future of digital comparison. Our daily drive? To offer our customers the best comparison in Germany - simple, fair, and transparent.
- We are creating the next generation of personalized travel booking: the AI travel planner that guides our customers through the chat from inspiration to fully booked trip - flight, hotel, holiday apartment, and more in a seamless flow, with real bookings in real time.
- You are fascinated by digital products, want to create real customer value with cutting-edge technology, are interested in how GenAI works in detail - and love coding yourself?
- Exciting projects: You will work on a variety of innovative topics in our product comparison - from booking routes, comparison results, and self-services to AI-powered assistant features - from data logic in the backend to the user interface in the frontend.
- Fullstack software development: You will comprehensively develop our systems - from APIs and backend services to LLM services and their orchestration, as well as performant and user-friendly frontend components.
- AI Integration & LLM Agents: You develop intelligent features with Large Language Models - e.g., chat and assistant functions, extraction and structuring of information, or data-driven recommendations.
- You work with LLM agents and their orchestration (tool use, state/memory, workflows) — with the aim of making AI productive and controllable.
- Take responsibility: You independently drive the technical implementation of product improvements, ensure clean code, and contribute to the stability and future viability of our applications.
- Quality Assurance: You ensure quality through strict typing, static analysis, as well as automated unit, integration, and end-to-end tests, and drive the further development of our testing systems.
- Communication & Teamwork: In close collaboration with our product management team, you implement new features, contribute your own ideas, and actively participate in optimizing our development processes.
Our expectations of you
Education
- Training: Excellent completion of training as an IT specialist (m/f/d) or a degree in a relevant field.
Qualifications
- You are eager to understand and implement features from start to finish, across service and language boundaries.
- AI Competence: Interest in AI features with Large Language Models as well as initial exposure to agentic workflows.
- AI-assisted Development: Safe handling of AI-supported development - targeted use of LLMs and coding agents as tools, as well as knowledge of suitable patterns (e.g., Spec-driven Development, persistent agent instructions, or iterative agent loops) while maintaining solid programming skills.
- Working Style & Growth Mindset: Quality-conscious, solution-oriented, and independent working approach with initiative, as well as a passion for lifelong learning and continuous evaluation of new trends.
- You bring motivation to continuously develop our product, the team, and yourself.
- Language skills: Negotiation-level German and good English skills.
Experience
- Fullstack mentality & experience: Initial experience in fullstack web development as well as understanding of modern API development (e.g., type-safe APIs) and clean modeling of data and interfaces.
What we offer
- We appreciate your commitment: You can expect an attractive salary package, vouchers for CHECK24 products, and a subsidized company pension scheme.
- Your work model, your choice: work in the office all week or remotely from home on Fridays. Additionally, enjoy up to 2 weeks of workation.
- Personal Development: We support your personal growth through targeted training, regular feedback, and an individual budget for your further education.
- Top Ausstattung: From day one, you will receive a MacBook, additional monitors, and an ergonomic workspace - optionally with further equipment.
- Feel-good atmosphere: Look forward to free lunch, drinks, fruit, muesli, and monthly team lunches.
- Stay fit with our 50% subsidy for EGYM Wellpass as well as weekly personal training.
- Getting to us is easy: Our office is centrally located near Kö/Rhine, directly on Heinrich-Heine-Allee.
- Thanks to the takeover of your Germany ticket or subsidized company bike/eBike, you can commute to the office in an environmentally friendly and cost-effective way.
- Team spirit: Celebrate and network at numerous events, summer and Christmas parties, as well as sports activities - we support team events with a dedicated annual budget.
Benefits
Work-Life-Integration
Health, fitness & fun
Food & drink
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.
- Established Company
- Onsite, Hybrid
- Banking, Finance, Insurance · Internet, IT, Telecommunication
Employer reviews
- Engineering
- 3.8
- Working conditions
- 4.3
- Career growth
- 4.3
- Team culture
- 4.3
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