Backend Developer | Backend Developer
activjob GmbH
Job Summary
This role involves the development and continuous improvement of a high-performance booking and ticketing platform for Deutsche Bahn. As a Backend Developer, you will be responsible for integrating complex booking and payment processes into a modern microservice architecture while ensuring the highest standards of security, scalability, and performance. Your day-to-day work will focus on developing microservices in cloud environments, designing technical components, and implementing rule-based booking modules. A significant portion of the role involves quality assurance through test-driven development and coaching technical teams to enhance development quality. This position is particularly attractive due to the permanent employment contract, a regulated 39-hour work week under the BAP collective agreement, and the opportunity to work on large-scale infrastructure projects for a major national transport provider. The role offers a flexible working time account and the stability of a long-term partnership with a prestigious client.
Required Skills
Education
Completed Diploma or Master's degree in Computer Science, Business Informatics, or a comparable field of study.
Experience
- At least 3 years of experience as a Lead Developer in complex IT projects
- 3 years of experience with Java EE, GitLab, Docker, Jenkins, and Maven/Gradle
- 3 years of experience in Test Automation and CI/CD pipelines
- 3 years of experience with Cloud environments and Cloud architecture
- Professional experience in the logistics industry is preferred
- Proven experience with asynchronous processing and queuing mechanisms
Languages
Additional
- The position is based in Frankfurt am Main. Candidates must be able to work under a BAP collective agreement (Tarifvertrag). Proactive and structured working style with high resilience is required.
More Jobs from activjob GmbH
Electrical and Electronic Components Engineer | Ingenieur für elektrische/ elektronische Funktionsteile (m/w/d)! Unbefristet! Vollzeit!
Mar 9, 2026
This permanent, full-time role involves the detailed design and creation of circuit diagrams for mai...
Senior Project Controller | Senior Projektsteuerer
Mar 6, 2026
This role involves overseeing integrated scheduling and performance control for the major Stuttgart-...
Communications Electronics Technician | Mitarbeiter (m/w/d) Kommunikationselektronik gesucht! Unbefristet! 17,65 €/Std.!
Jan 22, 2026
This role involves the comprehensive maintenance, inspection, and repair of various electronic syste...