(Senior) Fullstack Software Engineer (m/w/d) – Credit Card Comparison Platform

CHECK24 Vergleichsportal GmbH; München; On-site; EUR 70,000 - 90,000; Full time

Benefits offered by this job

Permanent contracts

Attractive compensation package

Personal training budget

Team events and networking opportunities

Free meals and drinks

Subsidized Germany Ticket and bike leasing options

Job summary

A leading German comparison platform is seeking a (Senior) Fullstack Software Engineer (m/w/d) with expertise in Java & React to join their international team in Munich. The role offers the opportunity to design innovative services for a credit card comparison platform, take ownership of the software lifecycle, and mentor peers. Candidates should have 5+ years of experience, strong skills in Spring Boot and React, and a good command of English. This position comes with an attractive compensation package and benefits.

Qualifications

• 5+ years of professional experience in software development, ideally in agile environments.
• Good spoken and written knowledge of English (min. C1) – German is a plus.

Responsibilities

• Design and evolve innovative services for our credit card comparison platform.
• Take ownership of the full software lifecycle: design, implementation, deployment, and monitoring.
• Integrate with complex third-party systems, including banks and communication providers.
• Mentor peers through constructive code reviews and establish best practices.

Skills

Spring Boot microservices

React frontends

CI/CD pipelines

Git

Docker

Clean code principles

Education

Degree in Computer Science or equivalent technical field

Tools

Maven

Jenkins

Job description

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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 real‑world complexity: many banks, many credit card products, and very different technical requirements. The challenge is to transform 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: front‑end (React), back‑end (Spring Boot), 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, establish best practices, and share knowledge

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
• Enthusiastic about new technologies, hands‑on mentality, and proactive beyond code commit
• 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: Personal training budget for conferences, books, and online courses of your choice
• The Checkito‑Spirit: Team events, networking opportunities, and legendary summer and Christmas parties are part of everyday work
• Food & Drinks: One free meal per day (breakfast or lunch), fresh fruits, and a wide selection of drinks anytime
• Sustainable mobility: Centrally located office enables easy commuting by public transport or bicycle, subsidized Germany Ticket, and company bike leasing options