(Senior) Fullstack Software Engineer (m/w/d) – Credit Card Comparison Platf at CHECK24

Munich, Bavaria, Germany -

Full Time

Start Date

Immediate

Expiry Date

14 Apr, 26

Salary

0.0

Posted On

14 Jan, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Java, React, Spring Boot, Microservices, PostgreSQL, MongoDB, CI/CD, Git, Maven, Jenkins, Docker, Software Architecture, Clean Code Principles, Agile Environments, AI-assisted Development, Mentoring, Code Reviews

Industry

Software Development

Description

Company Description We are CHECK24 - the leading German comparison platform with 20 million customers and over 50 products in comparison. In our Credit Card team, we deal with a real-world complexity: many banks, many credit card products, and very different technical requirements. The challenge is to turn all of that into a simple, fast, and fully digital comparison experience for our customers. Behind the scenes, this involves handling complex bank integrations, processing large-scale data, building flexible application flows, and using AI- assisted comparison to help customers find the best credit card for their needs — all running on a distributed microservice architecture that enables instant credit card applications without paperwork. We are looking for a (Senior) Fullstack Software Engineer (m/w/d) (Java & React) to join our international, high-impact team at CHECK24 Vergleichsportal Karten & Konten GmbH in Munich. The role offers ownership over architecture and product direction, collaboration in a feedback-driven environment, and the freedom to explore modern tools, including AI-assisted development, to solve meaningful problems. Job Description Design and evolve innovative services for our credit card comparison platform Take ownership of the full software lifecycle: design, implementation, deployment, and monitoring Build across the stack: from the frontend (React), backend (Spring Boot), to databases (PostgreSQL, MongoDB) and platform components (such as MCP servers) Integrate with complex third-party systems, including banks and communication providers Translate business requirements into technical solutions with Product Owners Mentor peers through constructive code reviews, establishing best practices, and knowledge sharing Qualifications Degree in Computer Science, Natural Sciences, or equivalent technical field 5+ years professional experience in software development, ideally in agile environments Strong expertise in Spring Boot microservices and modern React frontends Skilled in CI/CD pipelines with Git, Maven, Jenkins, Docker Deep understanding of software architecture and clean code principles You are enthusiastic about new things, have a hands-on mentality and don’t think that your job stops at the moment you commit your code You have good spoken and written knowledge of English (min. C1) - German is a plus Additional Information Experience and stability: More than 25 years of successes and failures shared across the group in over 15 locations We value your commitment: Permanent contracts and an attractive compensation package with annual bonuses for outstanding performance, including vouchers for numerous CHECK24 products and special rates at partner fitness studios We support your growth: You receive a personal training budget for conferences, books, and online courses of your choice The Checkito-Spirit: We believe that excellent online products are built by excellent teams. That’s why team events, networking opportunities, and our legendary summer and Christmas parties are a natural part of everyday work Food & Drinks: In addition to one free meal per day (breakfast or lunch), we provide fresh, regionally sourced fruit, and you are welcome to enjoy a wide selection of drinks at any time Sustainable mobility: Our centrally located office enables easy commuting by public transport or bicycle. We support this with a subsidized Germany Ticket and offer company bike leasing options

Responsibilities

Design and evolve innovative services for the credit card comparison platform while taking ownership of the full software lifecycle. Integrate with complex third-party systems and mentor peers through constructive code reviews.