I build web and mobile products with React, Angular and Node.js, with deep micro-frontend experience. Recent work adds Python and Java event-driven microservices on AWS and Kubernetes. I work AI-first, directing coding agents while owning design, review and production validation. Former tech lead of about 7 developers.
2026 to present
Full-stack features on an event-driven platform, including a production Python service I designed and operate. Part of the on-call rotation.
2022 to 2026
I owned 5 of about 30 micro-frontends, co-built the Web Components design system and led the move to Playwright.
2019 to 2022
Led about 7 developers building wellbeing apps on a serverless backend, and owned the cloud infrastructure.
2018 to 2019
A rental platform for landlords and tenants, with Stripe and advertising integrations.
2016 to 2018
Field-service and ERP features, including map views and multi-technician scheduling.
2015 to 2016
Client web projects, working directly with designers and stakeholders.
My own projects, built outside client work.
The treadmill's app was removed from Google Play, so I recovered its Bluetooth protocol and built a browser app to run it. Frames are tested byte for byte, because those bytes go to a treadmill motor.
One engine behind five live maps, from 19 castles to 419 restaurants. A new map needs its data, a config file and a hosting entry.
A dashboard of disease rates across Poland, with a map, charts and tables. A weekly job validates every dataset before writing anything.
A Spotify dashboard, a playlist generator built from concert setlists, and a tracker for Rolling Stone's 500 greatest albums.