Java Software Engineer - Full Stack, AI & R&D

Join a highly established German software company with over 40 years of experience, developing sophisticated, business-critical software used by thousands of people across Europe.

We're looking for an experienced Java Developer to join a close-knit engineering team in Heidelberg, helping build a new software package integrated into an established ERP platform.

This is an opportunity to work on complex, scalable software in a stable, family-like environment, with the chance to broaden your full-stack skills and work with modern technologies including OpenUI5 and AI development tools such as Claude.

• 40+ years of stability with an established customer base
• Friendly, close-knit engineering team with a genuinely supportive culture
• Help develop a new software product within an established ERP ecosystem
• Opportunity to expand your skills into full-stack development
• Work with OpenUI5 and AI-assisted development tools
• Interesting mix of software development, R&D and customer collaboration
• Long-term opportunity to develop deep technical expertise

What you'll do

• Develop and maintain business-critical software using Java
• Help build a new software package integrated into the existing ERP platform
• Contribute to frontend development as your skills develop
• Work on complex applications, integrations and technical challenges
• Collaborate with customers to understand requirements and develop solutions
• Use modern AI tools to support software development

What you should bring

• Strong professional experience developing software with Java
• Experience with Spring Boot or similar Java frameworks
• Willingness to work across backend and frontend development
• Strong analytical and problem-solving skills
• Good communication skills and willingness to work with customers
• Able to work regularly from Heidelberg

This is an excellent opportunity for someone who values technical depth, long-term stability and a genuinely enjoyable working environment, while developing their skills beyond backend engineering.