AI & Backend Engineer

About the Role

A fast-growing B2B SaaS startup in the AI-powered customer support space is looking for an AI & Backend Engineer to join a small, ambitious product and engineering team. You'll own end-to-end features across the full stack, shaping AI-powered capabilities and scaling architectures that power next-generation support agents. The company is SOC-2 Type 2 certified, GDPR compliant, and processes data in Europe.

What You'll Do

• Shape and implement full-stack product features from design through production.
• Develop and enhance AI-powered features, including agent pipelines and LLM integrations.
• Collaborate with the team to plan, design, and launch new capabilities.
• Help make internal workflows AI-native by identifying and building practical automations.

What We're Looking For

Required

• 1–4 years of experience in backend or AI engineering (new graduates welcome).
• Proven track record shipping backend systems or AI features to production.
• Experience designing end-to-end architectures and building AI-powered data or model pipelines.
• Hands-on experience integrating OpenAI models and prompt engineering.
• Experience with PostgreSQL and/or Firestore (GCP).
• Personal or hobby projects involving LLMs or related AI topics.

Nice to Have

• Heavy user of AI coding agents such as Codex, Claude Code, or Cursor — with concrete ideas or demonstrated improvements to your AI coding workflow.
• Familiarity with Python, FastAPI, Next.js, React, TypeScript, Docker, or Kubernetes.

Location & Work Arrangement

• Location: Munich, Germany (on-site).
• Visa sponsorship: Available.

Tech Stack

Python · FastAPI · OpenAI models (GPT-4o, GPT-4.1, o3, o4-mini) · Next.js · React · TypeScript · PostgreSQL · Firestore (GCP) · Docker · Kubernetes