Maciej Kołodziejczak
Client Checkatrade Staff Full-Stack Engineer
Krakow, Lesser Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolMaciej Kołodziejczak is a staff-level full-stack engineer with 11 years’ experience building TypeScript-first platforms across FinTech, MedTech and high-scale marketplaces. He specialises in scalable frontend architectures and API-driven backends, having led monorepo and TypeScript standardisation efforts that measurably improved Checkatrade’s search, listing performance and conversion. Comfortable shipping across React/Next.js, Node.js, GraphQL and Kubernetes, he pairs hands-on optimisation with platform-level tooling and CI/CD improvements. A pragmatic mentor and technical lead, he repeatedly drives legacy→modern migrations and automation to boost reliability. Based in Kraków, he blends enterprise discipline with a curiosity for Web3 and Java backend work hinted at in his GitHub profile.
11 years of coding experience
6 years of employment as a software developer
Informatyka, Informatyka at University of Silesia in KatowiceII LO im. Stanisława Staszica w Tarnowskich Górach
Polish, English, German
Stackoverflow
1reputation
93reached
0answers
1question
Github Skills (13)
pnpm-workspace6
monorepo6
npm6
pnpm6
container-image5
nodejs4
java4
python4
golang3
google-cloud3
docker2
gcp2
oci-image2
Programming languages (1)
Github contributions (5)
mkolodziejczak/MarketPlace-hardhat
Nov 2022 - Jul 2024
Contributions:9 pushes, 2 branches in 1 year 8 months
mkolodziejczak/MarketPlace-services
Nov 2022 - Jul 2024
Contributions:9 pushes, 1 branch in 1 year 8 months
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