Michael Harms
Full-stack engineer with 8+ years of React, TypeScript and Node.js. Shipped web products used by millions of people. Currently working on LLM-powered apps.
Work Experience
Senior Product Engineer
Moonscale/2024 - 2025Moonscale is a B2B platform for real-time AI sales avatars that run video calls on customer websites to automate pitching and qualifying buyers. Built the call-interface frontend and an admin tool for a ~200k€ AI-video project.
Software Engineer
Joyn/2022 - 2024Joyn is a German streaming platform with around 4 million monthly active users. Built UI on the joyn.de web app (content discovery and brand partnerships) and led the web-team side of a subscriptions rebuild that saved 10-20k€ a month.
Senior Frontend Engineer
Lateral/2020 - 2022Lateral was a research tool with around 1,000 users. Its AI surfaced relevant passages across a document corpus. Migrated the frontend from Create React App to Next.js and built a text-selection algorithm for the document reader.
Frontend Engineer
ApoSync/2017 - 2020ApoSync is a free compliance, news and training app for German pharmacy teams, with 2,200 pharmacies and 10,000 registered users. Owned the internal CMS UI, the company website and the email templates.
Side Projects
Kinetic
Generates a structured weekly workout plan from a short fitness profile.
NXTLVL
Tracks personal goals as KPIs and OKRs and shows whether the current pace hits the target.
Drool
Captures, organizes and shares screenshots from any web page.
Kind Words
Michael is a pleasure to work with and fitted seamlessly into our team.
Max NovakovicCTO & Founder, Lateral
He has very deep knowledge in front-end technologies and is a great team player. I would love to work with him again.
Atanas KaynarovSenior Fullstack Engineer, HackSoft
I'm a bit jealous of Michael's exceptional skill of taking a complex topic and distilling it into actionable insights.
Heidi KorpelaRecruitment Coach, Freelance
He will help a team not just deliver great products but also improve how they do so.
Martin KarlssonCEO & Founder, Lateral
Michael is extremely proactive and solutions oriented, with an acute eye for design and UX.
Felix GrönemeyerCDO & Founder, Lateral
He's not just a skilled developer but a thoughtful one, always aiming to build products that look great and function beautifully.
Tim DethlefsenFractional Product Lead, meinGPT
