Mads Hartmann

I’m an experienced software engineer and tech lead with a focus on reliability. I love diving head first into production issues, especially the weird ones. When I’m not rummaging around in production I spend my energy making it easier to understand, and eventually more reliable.

Publications

Increment Issue 16: Reliability — Tracing a path to observability

Technical reviewer

Observability Engineering

Experience

  1. OpenAI

    Aug 2026 – Present

    1. Member of Technical Staff Aug 2026 – Present
      Full-time · London Area, United Kingdom · Remote

  2. Ona (formerly Gitpod)

    Apr 2021 – Aug 2026 · 5 years 5 months

    1. Staff Engineer Dec 2022 – Aug 2026 (3 years 9 months)
      Full-time · Remote
    2. Site Reliability Engineer Apr 2021 – May 2023 (2 years 2 months)
      Remote

  3. Glitch

    Dec 2018 – April 2021 · 2 years 5 months

    1. Engineering Manager Nov 2020 – April 2021 (6 months)
      Remote
    2. Staff Site Reliability Engineer Aug 2020 – Nov 2020 (4 months)
      Remote
    3. Site Reliability Engineer Dec 2018 – Aug 2020 (1 yr 9 months)
      Remote

  4. Famly

    Sep 2016 – Nov 2018 · 2 years 3 months

    1. Fullstack Engineer Sep 2016 - Nov 2018 (2 years 3 months)
      Copenhagen

  5. Issuu

    Oct 2013 – Aug 2016 · 2 years 11 months

    1. Fullstack Engineer Oct 2013 - Aug 2016 (2 years 11 months)
      Copenhagen

Education

  1. University of Copenhagen

    1. Masters degree in Computer Science 2013 Specialised in programming languages and type systems.

  2. IT University of Copenhagen

    1. Bachelors degree in Computer Science 2011

Elsewhere