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Senior Software Engineer Agentic AI

5 day weekGreat Place to Work '25€62k – €86kHybrid · Köln, Germany
What awaits you with us:
  • You work on consulting and software development projects for clients such as AXA, BMW, ZDF and Deutsche Bahn

  • You design, develop and implement software solutions by applying AI methods and tools throughout the software development process (e.g. LLMs, agentic frameworks, code generation and test automation)

  • You build agentic workflows (tool use/function calling, planner/executor, multi-agent patterns), define guardrails and ensure reliable behavior

  • You develop RAG and retrieval architectures (embeddings, chunking strategies, re-ranking), systematically evaluate quality and optimize latency/costs

  • You take on technical leadership within the project team when needed and share your knowledge (e.g. through training)

  • You can find example projects under Success Stories

What sets you apart:
  • You have successfully completed a university degree in computer science or a comparable discipline

  • You have in-depth, practical knowledge of software development (e.g. with Java, TypeScript, Python) and of using AI in software engineering (e.g. Claude or Copilot)

  • You are familiar with AI algorithms and ML fundamentals (e.g. classification, clustering, embeddings) and can evaluate AI systems

  • You have practical experience with LLMs, agentic frameworks (e.g. LangChain, Semantic Kernel) as well as prompting and structured outputs

  • You are familiar with agentic protocols such as MCP and A2A

  • You work independently and actively contribute to the success of your project team

  • You speak German fluently (at least C1) and English very well (at least B2)

Our offer to you:
  • Appreciation and collaboration at eye level

  • 12 days of professional development per year

  • Professional exchange and knowledge transfer: 14 internal communities and networks (e.g. ML, Green IT, Architecture, IoT)

  • Family-friendly working hours and hybrid working with a home office component

  • Jobrad (bike leasing), workation, sabbatical, childcare subsidy, health programs and much more

This is Accso:

Accso is a digital partner for demanding, custom software solutions – with an AI Native Mindset. We combine excellent engineering and quality awareness with pragmatic use of AI, from conception through development to operations. We are driven by a clear vision: to make the world a little better by creating future-proof software development and measurable impact together with our clients. People are at the center – with our clients just as much as in our teams. We work in a partnership-based, solution-oriented, excellence-driven way, with open communication at eye level. In interdisciplinary teams you contribute directly at the client's site – with plenty of room for creativity, active knowledge transfer and a culture that encourages curiosity, responsibility and learning. With us you can bring yourself in as you are, use modern technologies responsibly and continuously develop both professionally and personally. We look forward to your application.

Your application:

It is not so important to us that you meet 100% of the job requirements, but that you enrich our team with your talents, your knowledge and your personality, and that we grow together.

*For us, your talent is decisive, not your gender, origin, religion, sexual orientation or any possible disability.

Contact

Nadja Groß

Talent Manager

Mobile: +49 1514 0230948

Email: [email protected]