DDemo Co
All roles

Senior AI Engineer

Berlin / RemoteFull-time6+ years

Posted Sep 30, 2026

Build and ship production LLM systems: agents, retrieval, and evaluation. You will own systems end-to-end, from design through on-call, in a team that treats evals as a first-class deliverable.

What we're looking for

Must-have
LLM orchestrationPythonRetrieval / RAGMulti-agent design
Preferred
Function callingEvals / observabilityVector databases
Nice-to-have
On-call ownershipEnterprise integration

How we hire

  1. 1

    Apply in minutes

    Send your CV and answer a few short questions. No account and no cover letter needed.

  2. 2

    Intro call

    A 30-minute chat with the hiring manager about the role and what you are looking for.

  3. 3

    Skills session

    A practical exercise based on real work, reviewed together with you.

  4. 4

    Meet the team

    Talk to the people you would work with every day and ask them anything.

  5. 5

    Offer

    A clear offer within a week of your last interview, with salary and terms in writing.

Why join Demo Co

  • Remote first

    Work from home, a hub or anywhere in your time zone. We meet in person twice a year.

  • Learning budget

    A yearly budget for courses, books and conferences, plus time to use it.

  • Health and wellbeing

    Private health cover, a gym or sports allowance and mental health support.

  • Flexible hours

    Core hours for collaboration, the rest of the day is yours to plan.

  • Your setup

    A laptop of your choice and a home-office allowance from day one.

  • Evidence over opinion

    Decisions are made on data and written reasoning, and everyone can challenge them.

Apply for this role

  1. 1Your details
  2. 2Verify email

CV / résumé (PDF or Word) *

Screening questions

Do you have a valid EU work permit? *
What is your notice period? *

Your CV is screened with AI-assisted tools to help the team review applications. If you share a GitHub, portfolio or website link, its public page is read too; LinkedIn and social media never are. A human makes every hiring decision. By applying you agree to this processing.

Senior AI Engineer

Apply now