Senior AI Backend Engineer (LLMs & AI Agents)

Tappz GmbH
München, Germany
3 days ago
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Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Working hours
Regular working hours

Tech stack

Application Programming Interfaces (APIs) Artificial Intelligence Python (Programming Language) Node.Js Search Technologies Software Deployment TypeScript Google Cloud Large Language Models Prompt Engineering Backend Build Management
+1 more
NestJS

Job description

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 & conditions

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. Tappz GmbH Tappz builds AI-powered applications used by millions of users. We are a small, fast-moving team competing in a highly dynamic AI environment, shipping products quickly with high ownership and strong engineering.

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Good distractions

Talks and stories from around this role — technically off-topic, practically not.

2:04 min

Comparing flexible tools against opinionated NestJS frameworks

Matteo Collina Matteo Collina · JS Congress

45 sec

Working securely with Node.js path application programming interfaces

Sonya Moisset · World Congress 2023

1:52 min

Structuring and scaling the backend engineering team

Stefan Lingler Stefan Lingler +1 · Coffee With Developers

2:14 min

Exploring internal AI product initiatives and global engineering roles

Maria Apazoglou · Coffee With Developers

1:38 min

Transitioning into backend engineering from web development

Stefan Lingler Stefan Lingler +1 · Coffee With Developers

2:51 min

Full stack architecture for server-sent events using Next.js

Ahmed Megahd Ahmed Megahd · World Congress 2025

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