Company Founded in Berlin, autarc is a ~40 person start-up who were part of Y Combinator’s S24 batch in San Francisco. Our team consists of people in Sales, Tech and Operations, with the Engineering & Product department currently ~20 people, as we continue to grow throughout the year.]]> Role description This role is to join our AI team, where you will ship production AI features end-to-end across web/mobile clients and Backend services. This is an applied AI Engineering role: integrating modern models into reliable product workflows, not training models from scratch.

You will work on features such as Computer Vision workflows for energy installers, voice agents, AI-powered automations and help scale new Backend services being built in Go. Further responsibilities include building and owning AI-powered product features from UI to Backend, integrating LLM and multimodal API's (OpenAI, Anthropic, Mistral etc.) with structure outputs, guardrails and prompt/version management.

Other responsibilities include:

Develop and maintain Backend services in Typescript and Go
Build reliable async flows (webhooks, retries, idempotency, failure handling)
Build CV/image/document analysis pipelines used in real installer workflows
Ship product-quality UX in React/Tailwind where needed, in close collaboration with Design
Instrument features with logs/metrics/tracing and improve reliability
Contribute to testing strategy across Frontend and Backend

The role is Fullstack, with a 40/60 split between Frontend & Backend.]]> Requirements

5+ years of professional experience in building SaaS

Hands-on experience integrating LLM/multimodal APIs into production systems

Strong Fullstack experience with TypeScript, React, Node and ideally NestJS

Professional experience working Go and readiness to own new Go endpoints/services

Solid SQL/Postgres skills and familiarity with object storage

Product mindset: you can turn ambiguous requirements into stable, user-facing features

Based in Berlin with a willingness to work 3 days hybrid (office in Mitte)

Fluent in English (German is a plus)

]]> What we offer

Freedom to choose your own equipment (within a budget)

26 paid vacation days

An annual team retreat

The choice between Dance or JobRad for mobility

The choice between Classpass or Urban Sports Club for fitness

Regular team events, lunches and activities

]]> Next steps If your application is successful, you will participate in the following:

Screening call with Louis (Recruiter)
Culture fit call with a Senior Engineer
Pair programming/live coding exercise
Final on-site interview with Marius (CTO) and the team

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Senior Fullstack Engineer (AI)