Senior AI Backend Engineer (LLMs & AI Agents)

Full Time Senior

Job description

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 engineering (Node.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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Required skills

production typescript ai python prompt engineering gcp node.js large language models ai agents cost optimization rag backend engineering llms performance optimization ai products system design production deployment nest.js pinecone weaviate prompt orchestration vector search ai apis agent workflows agent systems latency optimization remote-friendly setup context management vector db multi-step workflows tool integrations ai-native applications fast-growing ai startup

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