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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Software Engineer - Java - **Company:** retarus GmbH - **Location:** München, Germany - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Artificial Intelligence, Software Engineering, Systems Architecture, Large Language Models, Information Technology - **Published:** June 11, 2026 - **Apply:** https://de.indeed.com/viewjob?jk=c624a0eab3f70366 ## About the Role Do you have experience in Java?, Do you have a Master's degree?, * A university degree (Bachelor's or Master's) in Computer Science, Software Engineering, or a related field * At least 7 years of professional experience in Software Engineering or a comparable technical role * Strong technical expertise in Java, system architecture, and modern AI/LLM technologies * Strong communication skills with the ability to clearly articulate technical concepts across teams and stakeholders * Hands-on mentality combined with a pragmatic and solution-oriented approach * Strong collaboration skills with experience working effectively in cross-functional and cross-team environments * Strategic thinking with the ability to balance long-term architectural vision and short-term delivery needs * Excellent written and spoken German and English skills (C1 level or native speaker) * Nice to have: experience with Intelligent Document Processing (IDP) systems * Nice to have: experience successfully supporting or leading in-housing initiatives or knowledge transfer programs ## Description * Take responsibility for architectural leadership by defining and driving the technical vision, establishing architectural standards, leading design reviews, and ensuring scalable, secure, and maintainable solutions across the platform * Monitor and optimize pipeline performance, ensuring high reliability, observability, operational efficiency, and continuous improvement of system performance and stability * Improve the Intelligent Document Processing (IDP) pipeline by enhancing workflows, increasing scalability, and driving technical excellence across the end-to-end processing landscape * Modularize AI functionalities by defining clear service boundaries, reducing system complexity, improving maintainability, and enabling future growth and innovation * Support the in-housing of critical technologies and knowledge transfer initiatives by mentoring engineers, promoting best practices, fostering technical ownership, and building sustainable expertise within the organization * Strengthen team enablement and mentorship by coaching engineers, providing hands-on technical guidance, conducting code and design reviews, and fostering a culture of collaboration, accountability, and continuous improvement, At Retarus, you will work on impactful and dynamic projects, with real opportunities to make a difference. Our customers are leaders across diverse industries, with constantly evolving needs and high expectations. You'll be working with cutting-edge technology and great creative leeway to meet customers' needs - and the projects you work on will be deployed globally. Working at Retarus, you will collaborate closely with convivial, culturally diverse teammates. You will grow professionally in a dynamic and exciting workplace and design impactful solutions in real time with top companies. Very important Come as you are. Retarus is committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or veteran status. ## Related Videos - [The Avengers Initiative (Practical Ethics for Software Engineers)](https://www.wearedevelopers.com/videos/2070-the-avengers-initiative-practical-ethics-for-software-engineers) - [The QUEST for Better Software](https://www.wearedevelopers.com/videos/721-the-quest-for-better-software) - [Creating Industry ready solutions with LLM Models](https://www.wearedevelopers.com/videos/899-creating-industry-ready-solutions-with-llm-models) - [Beyond Hiring: Building a Sustainable Talent Acquisition Engine at Deutsche Bahn](https://www.wearedevelopers.com/videos/1856-beyond-hiring-building-a-sustainable-talent-acquisition-engine-at-deutsche-bahn) - [Official Opening of WeAreDevelopers World Congress 2026](https://www.wearedevelopers.com/videos/100000-official-opening-of-wearedevelopers-world-congress-2026) - [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) ## Related Articles - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-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) - [Finding IT & Technology English-speaking Jobs in Germany ](https://www.wearedevelopers.com/magazine/446-finding-it-technology-english-speaking-jobs-in-germany) - [How to Find Tech Jobs in Berlin](https://www.wearedevelopers.com/magazine/291-how-to-find-tech-jobs-in-berlin) - [Jobs in Germany for Americans](https://www.wearedevelopers.com/magazine/423-jobs-in-germany-for-americans)