Senior AI Software Engineer m/f/x (LLM & RAG Systems) 1540

Nash Technologies is seeking for a Senior AI Software Engineer (LLM & RAG Systems) m/f/x in Boeblingen to support the design, development and optimization of enterprise-grade LLM and RAG solutions.

The candidate will be responsible for the end-to-end implementation and integration of AI systems into our web and documentation platforms. Working closely with cross-functional teams to deliver robust, production-ready solutions.

• Design, implement, test and optimize end-to-end Retrieval-Augmented Generation (RAG) pipelines, including data parsing, ingestion, prompt engineering and chunking strategies
• Evaluate and deploy Large Language Model (LLM) applications, focusing on metrics such as correctness, latency and hallucination
• Integrate AI components into web applications and documentation platforms using Java, Eclipse IDE and related technologies
• Write clean, maintainable and testable code following best practices in both Python and Java
• Build and release product documentation updates using Jenkins CI
• Provide technical support and development for a responsive web application (online help system) based on Eclipse

• Master’s or Ph.D. in computer science, machine learning, software engineering or related field
• Minimum 2 years of hands-on industry experience in AI engineering and software development
• Proven experience in LLM/RAG development and Python frameworks (e.g., SentenceTransformers, Pandas, NumPy)
• Experience with vector databases (e.g., Chroma), RAG evaluation frameworks, and open-source LLMs (e.g., Qwen, Llama)
• Clear communication and presentation skills; strong team player
• Excellent English language skills

Good To Have

• Full-stack development experience, especially integrating AI models into web applications (e.g., FastAPI, MCP)
• Skills in Java, Eclipse IDE, and web technologies (JavaScript, HTML5, CSS3, XML, XSLT)

• A permanent position in an exciting and growing team
• Hybrid working model
• Flat hierarchy and flexible working hours
• Professional training and good development opportunities
• Attractive salary, a subsidy for the Deutschland job-ticket, bike leasing and employee benefits for EGYM Wellpass
• Invitations to our regular and varying team- and company events

• Subsidies for your personal mobility
• Flexible working arrangements
• To find out more, click on the headline

Nash Technologies offers R&D services in the areas of software engineering, ATE engineering, professional services and solutions. We specialize in the implementation of projects and the competent placement of technical experts. As a strategic partner of Advantest we develop application test software for Automatic Test Equipment (ATE).

You find our services and solutions in the industries Semiconductors, Telecommunications, Automotive and Railways. Across Europe.