Jan Konarzewski
Staff Software Engineer at Wolt
Stockholm, Sweden
Summary
👤
Senior🎓
Top SchoolJan Konarzewski is a Staff Software Engineer with 13 years of experience building and scaling backend systems across fintech and mobility platforms, currently based in Stockholm and authorized to work in both Europe and the U.S. He holds an MSc (with distinction) in Computer Science from the University of Edinburgh and a BA in Informatics & Social Computing from the University of Michigan, reflecting a blend of systems depth and user-centered product thinking. Jan has progressed from hands-on engineering roles at American Express and university healthcare systems to leadership and staff-level positions at Voi and Wolt, focusing on maintainability and improving systems that serve large user bases. He is motivated by designing complex distributed systems that feel simple to end users and brings proven experience in leading backend chapters and driving technical direction. A former competitive backstroker in college, he pairs disciplined teamwork and performance under pressure with a pragmatic engineering approach.
13 years of coding experience
12 years of employment as a software developer
Master of Science (MSc) Computer Science, Master of Science (MSc) Computer Science at The University of EdinburghBachelor of Arts Informatics Social Computing, Bachelor of Arts Informatics Social Computing at University of Michigan
Polish, English
Stackoverflow
21reputation
844reached
0answers
1question
Github Skills (13)
cycle9
golang7
google-drive-api6
dropbox6
google-app-engine6
python6
redux5
react5
go5
apollo5
recycle3
graphql3
apollo-client3
Programming languages (4)
Github contributions (5)
jkonarze/svc
Nov 2019 - Dec 2023
Worker life-cycle manager
Contributions:4 pushes, 2 branches in 4 years
workercyclelife-cyclelife
jkonarze/concurl
Dec 2019 - Mar 2025
cli to make concurrent http calls
Contributions:2 releases, 8 reviews, 52 PRs in 5 years 3 months
golangcliconcurrencycallsjq
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