(Junior) Fullstack Developer (m/f/d) AurumCars

CHECK24 Services GmbH; München; On-site; EUR 42,000 - 60,000; Full time

Benefits offered by this job

Moderne Büroausstattung

Flexible Arbeitszeiten

Team-Events

Job summary

AurumCars GmbH in München sucht einen engagierten Junior Fullstack Developer (m/w/d) zur Weiterentwicklung unserer Car-Rental-Plattform. Sie arbeiten an Frontend- und Backend-Teilen, entwerfen REST-APIs und integrieren Partnerdienste, um eine reibungslose Kundenerfahrung zu gewährleisten.

Sie bringen erste Programmiererfahrung, Kenntnisse in modernen Frontend-Technologien wie React und Backend-Technologien ein, arbeiten eigenständig und im Team, und kommunizieren kompetent in Deutsch und

Qualifications

• Abgeschlossenes Hochschulstudium der Informatik, Wirtschaftsinformatik oder äquivalenter Fachbereich.
• Erste Programmiererfahrung und objektorientierte Programmierung.
• Sehr gute Kenntnisse in mindestens einer Programmiersprache (PHP, Python, Golang, TypeScript) und Frameworks wie Symfony; SQL-Datenbanken; idealerweise Linux/DevOps.
• Erfahrung mit modernen Frontend-Technologien wie React bzw. React Router, gute UI/UX-Sinn.
• Begeisterung für KI und Tools wie Claude Code oder Cursor sowie Interesse an deren Integration in den Entwicklungsprozess.
• Ausprägte digitale Mindset, Clean-Code, Lernbereitschaft, Hands-on-Mentalität.
• Teamfähigkeit, Proaktivität, Kommunikationsstärke.
• Fließendes Deutsch auf Verhandlungsniveau (C1) und gutes Englisch (B2).

Responsibilities

• Mitarbeit an Themen rund um die mehrsprachige Car-Rental-Domäne – von Vergleichsergebnissen über Buchungswege bis hin zu Kundenself-Service. Zusammenarbeit mit Backend-, Frontend- und Produktteams sowie externen Partnern.
• Technische Implementierung von Produktverbesserungen und Weiterentwicklung von Anwendungen für Desktop, Tablet und Mobilgeräte.
• Entwurf und Implementierung von REST-API-Integrationen sowie Gewährleistung der Zusammenarbeit von Backend, Frontend und Partner-Integrationen.
• Weiterentwicklung des modernen Tech-Stacks zur Stabilität, Skalierbarkeit und Zukunftsfähigkeit der Produkte.
• Eigenständige Ideen einbringen, innovative Features gemeinsam mit Product Management und IT implementieren, kurze Entscheidungswege und Release-Zyklen nutzen.

Skills

Programmiersprachen

OOP-Konzepte

Frontend-Frameworks

KI-Tools

Deutschkenntnisse

Englischkenntnisse

Teamwork

UI/UX

Education

Exzellenter Abschluss in Informatik / Wirtschaftsinformatik

Tools

Symfony

SQL

Linux/DevOps

React

React Router

Job description

(Junior) Fullstack Developer (m/f/d) AurumCars

AurumCars, based in Munich, is CHECK24’s own car rental provider. No matter where the journey takes you, we have the right rental car. Customer satisfaction and an excellent car rental experience are our top priority, which is why we only work with selected and renowned car rental companies. Through the targeted use of modern tools, technologies and AI methods, we drive data-driven innovation - always with a clear focus on added value for our customers.

If you want to make an impact, you are exactly right with us! To strengthen our team at AurumCars GmbH, we are looking for you as a motivated (Junior) Fullstack Developer (m/f/d). We look forward to receiving your application!

Your Qualifications

• Education:Excellent degree in Computer Science, Business Informatics, or a comparable field of study
• Practical experience: Initial experience in software development and a solid understanding of object-oriented programming
• Tech Stack: Very good knowledge of at least one programming or scripting language, such as PHP, Python, Golang, or TypeScript; experience with frameworks such as Symfony, relational databases (SQL), and ideally Linux/DevOps knowledge
• UI/UX & Web Development: Experience with modern frontend technologies such as React or React Router, combined with a good sense for UI/UX, responsive web development, and user-friendly interfaces
• AI & Tools: Enthusiasm for AI and experience using AI development tools, such as Claude Code or Cursor, as well as an interest in advancing and further developing their integration into the development process
• Digital Mindset: Passion for web development, clean code principles, strong willingness to learn, and a hands‑on mentality
• Teamwork & Communication: Proactivity, strong team spirit, and excellent communication skills
• Language skills: Fluent German skills at negotiation level, at least C1, and good English skills at B2 level

About this job

• Working in a team: You will work on exciting topics around our multilingual car rental domain - from comparison results and booking routes to customer self‑services, internal tools and web frontends. You will collaborate closely with backend, frontend and product teams as well as external partners
• Taking responsibility: You will be responsible for the technical implementation of product improvements and continuously develop our applications for desktop, tablet and mobile devices
• Connecting interfaces and systems: You will design and implement REST API integrations and ensure that our backend systems, frontends and partner integrations work together reliably
• Optimizing the tech stack: You will further develop our modern tech stack and help ensure the stability, scalability, maintainability and future viability of our products
• Shaping the product: You will contribute your own ideas, implement innovative features in close collaboration with product management and IT teams, and benefit from short decision‑making paths and fast release cycles

What We Offer

• It's easy to get to us: Central location directly on the Donnersbergerbrücke in Munich (food
  trucks, supermarket and fitness with employee conditions). Our bright and modern office offers
  space for creativity, outdoor work and fun with table football or table tennis. Thanks to a free
  job ticket, discounted bicycle/e‑bike leasing and free bicycle parking spaces, you can get to the
  office in a climate‑neutral and affordable way
• You are flexible with us: Flexible working hours, more than 30 days of vacation with very good performance and the option of additional unpaid vacation, sabbaticals and working abroad
• Personal exchange and team spirit drive you forward: We cultivate our office culture with personal interactions, close collaboration, and strong team cohesion. On Fridays, there’s the option for “home office” (mobile working). We are much more than just colleagues – see for yourself and experience our CHECKito spirit!
• We value your commitment: Open-ended contracts and attractive remuneration with annual bonuses for special achievements. Vouchers for numerous CHECK24 products, a subsidizedcompany pension scheme and many other benefits (e.g. EGYM Wellpass, free sports offers, team budgets for events) on top
• Your ideas are important to us and will be implemented quickly: Independent and agile work with the contribution of your own ideas. Short decision‑making paths and release cycles are a matter of course for us
• We will help you progress: Individual career development through internal and external training, regular feedback meetings and personal coaching as well as a personal budget for further training. Thanks to our strong and sustainable growth, we offer perspectives in specialist and management careers
• We equip you: You will receive a powerful laptop, two additional screens or, if you wish, a curved monitor on your first day at work. Would you like individual equipment such as an ergonomic mouse, noise‑canceling headphones or a height‑adjustable desk? No problem!
• Feel at home with us: Free chilled drinks are available in every office. We also provide regional and organic coffee, cocoa, muesli, and fresh fruit. Plus, the entire team enjoys a free lunch five days a week
• We are also a great team outside of work: We have a collegial and friendly atmosphere. We celebrate our successes together at beer garden visits, office parties and legendary summer and Christmas parties. We also offer numerous team events and joint sports events such as soccer, bouldering or yoga