Software engineer / Warsaw, Poland
Making the complex useful.
I’m Marcin, a Senior Software Engineer at Waymo in Warsaw. I work across distributed services, system-wide testing, and performance—and build side projects to explore unfamiliar problems.
Distributed systems—Product thinking—Creative tooling—Distributed systems—Product thinking—Creative tooling
Selected work
Everything in motion.
Current experiments, hackathon builds, and research tools. A selection from the things I’ve worked on.
WhatsApp TranslatorA native iPhone experiment exploring local-first Indonesian–Polish WhatsApp translation with SwiftUI, WebKit, and on-device model experiments.LocationExtractorA Python library for extracting place names from text or URLs and adding country, region, or city context.Java Repo AnalyzerA Java repository-exploration dashboard with search, favourites, and comparison views, built during the BizReach World Hackathon.GrooveScannerPlan a trip around an event. A travel-planning web app combining event discovery with flight and accommodation proposals from your departure airport.
Explore all projects ↗Journal
Beyond the code.
A place for thoughts on engineering, useful technology, and life outside work.
Visit the journal ↗The journal is taking shape. The first notes will appear here when published.
The long view
Where the work happens.
From machine learning to software engineering, across teams and products.
Apr 2025 — present
Waymo
Senior Software Engineer
Jul 2022 — Mar 2025
Amazon
Software Development Engineer II
Warsaw, PolandSep 2021 — Jun 2022
Huawei
Software Engineer
Warsaw, PolandHave a good problem?