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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Java Developer - Full-time Software Development - **Company:** freshcells systems engineering GmbH - **Location:** Düsseldorf, Germany - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Agile Methodology, Apache HTTP Server, Systems Engineering, Apache Lucene, Profiling, Continuous Integration, DevOps, Distributed Systems, Elasticsearch, Spring Framework, Apache Maven, NoSQL, Object-Oriented Software Development, Redis, Elearning, Standard Sql, Simple Object Access Protocol (SOAP), Software Engineering, Software Systems, Apache Solr, Systems Integration, Web Applications, Java Application Server, Kubernetes, Build Tools, Reactive Programming, Graphql, Api Design, Docker, Jenkins, Microservices - **Published:** June 5, 2026 - **Apply:** https://de.indeed.com/viewjob?jk=96454fded7ce21d4 ## About the Role Do you have experience in Systems engineering?, * Several years of hands-on experience in Software Engineering * Solid knowledge of Java (8, 11) and object-oriented software architectures * Experience with the Spring (Boot) framework * Experience in SQL * Experience in Software Integration Development (SOAP/REST) * You are comfortable with microservices architectures, API-based and event-based communication. * Using build tools (like maven, gradle) * Experience in agile development in a team and an organized and result-oriented work ethic for sustainable and scalable web systems * Good knowledge of how to design distributed systems * Good knowledge of the English language, regardless of your mother tongue Nice to have * Experience in NoSQL * Previous experience with lucene/solr/elasticsearch * Experience with Docker and ideally, experience Kubernetes and Helm * Experience with Apache Ignite and Redis * Continuous Integration and Deployment with Jenkins (or others) * Experience with GraphQL is a plus * Experience with Reactive programming (Spring WebFlux) ## Description * Design and improve our high-performance Java web applications with industry-standard frameworks * Conceptual design and implementation of new features for sophisticated software solutions in cooperation with the project management, design, and development teams * Writing automated software tests and setup deployments for web applications * Profiling and discovering performance bottlenecks in our Java applications, At freshcells, authenticity, individual talent development, and open communication are at the core of everything we do. We rely on respect, trust, and responsibility. As an innovation-driven company, we invest in new ideas. We know that the best results come from teamwork. We make mistakes - but we learn from them. We are open-minded and bold when it comes to exploring new paths. Our DNA is centered around creating sustainable solutions with a strong commitment to excellence. We thoroughly analyze our projects in advance. That's why we deliver what we promise. Our consulting is honest and customer-oriented. Join us on our exciting journey in perhaps the most significant and forward-looking field of all - software development - as a DevOps Engineer in full-time! If you're excited by a diverse range of projects, want to continuously grow, and enjoy working independently and with a strong sense of responsibility, get in touch with us: recruiting@freshcells.de. We're looking forward to hearing from you! What we offer: * Flexible remote-work days * Flex-time for early risers and night owls * A dog-friendly working environment * A secure and long-term job * Company pension plan with employer subsidy possible * Regular exchange, feedbacks, team meetings & retrospectives * Monthly Company Breakfast * High-end equipment also for private use * Room for own ideas and personal development * Digital training courses, available to every employee at his or her own discretion * Subsidy for Urban Sports Club membership * Subsidy for Deutschlandticket * Bike leasing via JobRad * Support with relocating processes * Free German courses for newcomers * Special offers on travel, technology and more All people are welcome here, regardless of gender, age, sexual identity, background, religion, beliefs, or whether they have a disability or not. The main thing is that you're a good fit for us. Learn more about freshcells and our team on our career page: https://www.freshcells.de/en/career/vacancies/senior-java-developer ## Related Videos - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Next Level Enterprise Architecture: Modular, Flexible, Scalable, Multichannel and AI-Ready?](https://www.wearedevelopers.com/videos/1017-next-level-enterprise-architecture-modular-flexible-scalable-multichannel-and-ai-ready) - [Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)](https://www.wearedevelopers.com/videos/1714-reducing-llm-calls-with-vector-search-patterns-raphael-de-lio-redis) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Tomorrow's cloud data platforms - fully managed database-as-a-service (DBaaS)](https://www.wearedevelopers.com/videos/254-tomorrow-s-cloud-data-platforms-fully-managed-database-as-a-service-dbaas) ## Related Articles - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [The Biggest German Tech Companies](https://www.wearedevelopers.com/magazine/424-the-biggest-german-tech-companies) - [Finding Jobs in Germany](https://www.wearedevelopers.com/magazine/375-finding-jobs-in-germany) - [Frontend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/195-frontend-developer-salary-in-germany-2023) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers)