Michael Harms
Full-stack software engineer with 8+ years building performant web apps and polished UIs for products serving millions of users, pairing frontend craft with outcome-driven product thinking.
Work Experience
Senior Product Engineer
Moonscale/2024 - 2025Moonscale is a B2B platform for real-time AI sales avatars running autonomous video calls. Built full-stack across the call interface, AI asset management, and analytics, contributing to ~250k€ in client revenue and helping shape product discovery.
Experienced Software Engineer
Joyn/2022 - 2024Joyn is a German streaming platform with around 4 million monthly active users. Built UI features for joyn.de and led the web side of a subscription-system rebuild that saved 10-20k€ per month.
Senior Frontend Engineer
Lateral/2020 - 2022Lateral was an AI-powered research cloud helping academics search across all their papers. Migrated the frontend to Next.js and shaped the UX of its AI features for an app serving around 1,000 researchers.
Frontend Engineer
ApoSync/2017 - 2020ApoSync is a compliance and training app for German pharmacy teams, used by 2,200 pharmacies and over 10,000 users. Owned the web UI of its internal CMS, the company website, and email templates.
Side Projects
Kinetic
AI workout generator that turns your fitness profile into a structured weekly training plan
NXTLVL
Personal OKR goal-tracking app with quantified progress and regression-based forecasting
Drool
Chrome extension and web app to capture, organize, and share screenshots for product builders
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
