Tappz GmbH

Senior Fullstack Engineer (LLMs & AI Agents)

Munich, Germany full-time Mid Salary not listed
full-time Mid level Technology & IT Curated
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About the role

Location: Munich

Tappz is building AI-native applications powered by large language models. We’re moving fast in a highly competitive space and need an engineer who is fully focused on AI systems and agent development.

We’re looking for someone who enjoys high ownership, working hard, and shipping real AI products.

Tasks

Design and build backend systems powered by LLMs Develop agent workflows and tool integrations Build RAG pipelines with vector search Handle prompt orchestration and context management Optimize performance, latency, and cost Ship AI features into production products

Requirements

Strong backend and frontend engineering (Node.js, Next.js, Typescript, Python, Nest.js, GCP) Deep experience working with LLMs and AI APIs Experience building AI agents or multi-step workflows Vector DB experience (Pinecone/Weaviate/etc.) RAG implementation experience Prompt engineering and system design Production deployment experience

Mindset we value: Ownership, speed, and the willingness to go the extra mile

Benefits

High ownership in a fast-growing AI startup, remote-friendly setup, and the chance to build agent systems in production.

If you want to build AI agents in production with a lot of ownership and impact, apply now.

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Interview prep

Walk in with sharper answers.

Use this as a quick practice sheet before you speak with the employer.

Mid
Technology & IT Javascript Python Remote Collaboration Senior Fullstack Mid level

Likely questions

  1. Tell us about work you have done that is close to the Senior Fullstack Engineer (LLMs & AI Agents) role.
  2. How would you approach your first 30 days at Tappz GmbH?
  3. Which of Javascript, Python and Remote Collaboration have you used recently, and what did it help you achieve?
  4. Describe a time you solved a problem without waiting to be told exactly what to do.
  5. How do you handle busy days, changing priorities, or pressure at work?

Prepare before the call

  • A recent example that proves your experience with Javascript, Python and Remote Collaboration.
  • One short story with a problem, your action, and the result.
  • Two examples that show the strengths listed on your CV.
  • A clear reason why this role and company interest you.
  • Your availability, preferred work style, and salary expectations.

Ask them

  • What would success look like in the first 90 days?
  • What are the main problems this hire should help solve?
  • How does the team give feedback and measure good work?
  • What does a normal working week look like for this role?
Practice line

I am interested in the Senior Fullstack Engineer (LLMs & AI Agents) role because I can bring practical experience in Javascript, Python and Remote Collaboration, learn the team quickly, and contribute to the outcomes Tappz GmbH needs from this hire.

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