> Markdown version of [/jobs/ext/1354889-software-engineer-java-python](https://www.wearedevelopers.com/jobs/ext/1354889-software-engineer-java-python). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer - Java Python - **Company:** retarus GmbH - **Location:** München, Germany - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Agile Methodology, Software as a Service, Software Quality, Continuous Integration, Spring Framework, Python (Programming Language), Linux System Administration, Enterprise Messaging Systems, Performance Tuning, Software Engineering, Software Systems, Backend, Kubernetes, Api Design, Restful APIs, Stream Processing, Docker, Microservices - **Published:** July 20, 2026 - **Apply:** https://www.adzuna.de/details/5622549122 ## About the Role * Solid experience in software development with Java * Experience in software development with Python * Deep knowledge of popular Java frameworks and libraries * Expertise in API design, RESTful services, messaging systems, and stream processing * Experience in developing and monitoring globally distributed, highly reliable systems with high data and message volumes * Practical experience of CI/CD pipelines, Docker, Kubernetes, and Linux environments * Ideally, experience with cloud-based applications and microservice architectures * Good understanding of agile methodologies and a strong mindset for continuous improvement * Proactive and adaptable working style with the ability to take on responsibilities across various areas of the software stack * Openness to new technologies and challenges ## Description We are looking for an experienced Software Engineer with a focus on Java to join our agile development team and contribute to the creation of innovative communication solutions. Our globally distributed, high-performance, and highly reliable services enable secure and seamless transaction-based communication for our clients. In this role, you will work on the further development and optimization of our backend systems, with a strong focus on performance, security, and scalability. You'll collaborate closely with cross-functional teams to continuously enhance our platform and deliver powerful, efficient solutions. Your technical expertise will help improve software quality and implement best development practices., * Take ownership of the full software development lifecycle - from requirements analysis and architecture to design, implementation, and deployment * Analyze, enhance, and integrate existing software solutions * Develop high-performance, event-driven, and secure software solutions in Java * Collaborate closely with Quality and Operations Engineers to ensure the highest software standards * Automate and improve CI/CD pipelines to streamline development and deployment processes * Perform root cause analysis and performance tuning to identify and eliminate bottlenecks ## Related Videos - [API Design - Getting Started](https://www.wearedevelopers.com/videos/33-api-design-getting-started) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Agile work at CARIAD – Creating a customer web application for controlling the vehicle ](https://www.wearedevelopers.com/videos/200-agile-work-at-cariad-creating-a-customer-web-application-for-controlling-the-vehicle) - [Rest API Antipatterns](https://www.wearedevelopers.com/videos/100208-rest-api-antipatterns) - [Docker build without Docker](https://www.wearedevelopers.com/videos/100114-docker-build-without-docker) ## Related Articles - [The Biggest German Tech Companies](https://www.wearedevelopers.com/magazine/424-the-biggest-german-tech-companies) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Backend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/196-backend-developer-salary-in-germany-2023) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer) - [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers) - [Fullstack developer salary in Germany [2023]](https://www.wearedevelopers.com/magazine/197-fullstack-developer-salary-in-germany-2023)