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Senior Fullstack Engineer (AI)

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 be working alongside a Senior Machine Learning Engineer and 2 Senior Fullstack Engineers to build features that will support our deep tech products. This person must be someone who wants to build with modern AI Models (OpenAI, Mistral, Anthropic) to develop features that improve user experience. This includes making AI accessible, building widgets, buttons and links that can help auto generate descriptions (for example).
Some of the features that are included in the work this person will contribute to building are an AI automation tool, detection capabilities, the visual analysis of photos, notetakers and enhancing our voice agent.
Beyond supporting our AI team, you will/can also help on web and design tasks, too. This role is not for someone who wants to build AI, rather to work with the AI Models to implement interfaces.
Other responsibilities include:

  • Focusing on flawless Frontend designs and UI
  • Interacting with the Design team to improve UX
  • Be hands-on in designing, coding and testing cycles for both existing and new features
  • Develop B2B SaaS applications
  • Have a high level of responsibility to turn ideas into performant and reliable code

The role is Fullstack, with a 50/50 split between Frontend & Backend.

Requirements

  • 3-5+ years of professional experience
  • A Product mindset, thinking about how the user will be impacted by new features
  • Experience working with AI models, LLMs, NLP and tools like Langfuse
  • Direct involvement in building SaaS products
  • Experience with TypeScript, React, TailwindCSS
  • Exposure to local databases such as RxDB is a nice to have
  • Familiarity with cloud databases such as Postgres (Supabase)
  • Experience with Docker, GitHub and fly.io
  • 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

Auf diese Stelle bewerben

About us

Right now, 25% of CO2 emissions in Europe are caused by heating our buildings. In order for this to be reduced, the transition towards renewable energy needs to be simplified and made more accessible. There are too few installers to meet the growing demand for heat pumps, and a solution to match this trend needs to be brought to the market.
autarc is developing the leading operating system (OS) for heat pump installers, enabling a more digital and efficient installation process for heat pumps.
Through this, autarc is reducing the hurdles to decarbonizing single-family homes and small apartment buildings in Europe, with the goal to help with the planning and designing of 1 million heat pumps by 2030.

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Senior Fullstack Engineer (AI)

autarc
Berlin
Unbefristet, Vollzeit

Veröffentlicht am 14.03.2026

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