C

Full-Stack Developer – AI & Digital Innovation

check24 • Germany
Relocation
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AI Summary

Full-stack developer role at CHECK24 Explorer building end-to-end features for the experience comparison platform using modern web technologies and AI. Responsibilities include defining requirements, designing architecture, implementing frontend and backend solutions, and owning features through production. Requires several years of experience with PHP, Go, and Next.js/React, plus familiarity with AI tools and concepts like LLM, MCP, and RAG.

Key Highlights
Build and own end-to-end features for CHECK24 Explorer experience comparison platform
Active use of AI technologies (LLM, MCP, RAG) and tools like Cursor in development
Relocation bonus of €2,000 for candidates moving to Erfurt

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Key Responsibilities
Define requirements, design architecture, and implement frontend and backend features end-to-end
Own implemented features and ensure they run reliably in production
Actively use AI technologies and experiment with new tools to improve the experience comparison platform
Develop high-performance, scalable applications following SOLID principles
Ensure code quality through CI/CD pipelines, linting, tests, and modern monitoring
Contribute ideas to improve the product, processes, and workflows
Technical Skills Required
PHP Go Next.js/React

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Benefits & Perks
Unbefristeter Vertrag mit attraktiver Vergütung und jährlichen Prämien
Relocation Bonus von 2.000€
Weiterbildungsbudget und persönliches Coaching
Zuschuss zum Job-/Deutschlandticket und Fahrrad-/eBike-Leasing
Flexible Arbeitszeiten, 30+ Tage Urlaub, Home Office freitags
Kostenlose CHECKito-Lunch, Getränke und Obst
Sportprogramm mit Personaltrainer und 50%-Zuschuss zum EGYM Wellpass
Gutscheine für CHECK24 Produkte und bezuschusste betriebliche Altersvorsorge

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Nice to Have
Experience with AI tools like Cursor
Knowledge of LLM, MCP, and RAG concepts

Job Description

ist Vergleichsportal: Wir sind Marktführer und dynamisches Startup in einem. Durch den gezielten Einsatz modernster Tools und Technologien sowie State-of-the-Art-Methoden der KI treiben wir Innovationen voran – immer mit Blick auf den Mehrwert für unsere Kunden. So arbeiten wir täglich in mehr als 50 Produkten daran, die User Experience unserer über 20 Millionen Kunden kontinuierlich zu verbessern.
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Job Overview
Posted Date Oct 13, 2026
Employment Type Full-time
Experience Level Mid-Senior level
Location Germany
Category Programming
Company check24
Mentioned Skills
react next.js php ai das

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