Jan Kaczmarkiewicz
Software Developer at Teleport
West Pomeranian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolJan Kaczmarkiewicz is a software developer with seven years of hands-on experience building robust web applications and front-end systems from Poland's West Pomeranian Voivodeship. Currently at Teleport, he brings a hacker-engineer mindset to performance profiling, reliability, and practical problem solving. His background includes full-stack and frontend work—most notably implementing a custom site-builder CMS in Next.js with React 18, strict TypeScript, SSR/SSG strategies, and a design system at lastminute.com. He has experience across the stack: testing, build tooling (webpack/babel), CI pipelines, state management (redux + redux-saga), and code review/interviewing. Comfortable in fast-moving environments, Jan pairs pragmatic engineering with attention to performance and developer experience. He’s both a systems-minded developer and a collaborator who helps elevate code quality and hiring decisions.
7 years of coding experience
3 years of employment as a software developer
Student, Computer Science, Student, Computer Science at West Pomeranian University of Technology in SzczecinInformatyka, Informatyka at Szczecińskie Collegium Informatyczne
English, Polish
Stackoverflow
1,570reputation
67kreached
64answers
6questions
react-hooks
top-5%
Github Skills (107)
firewall10
rdp10
bastion10
material-ui10
security10
infrastructure10
pam10
ssh10
javascript10
reqwest10
api10
golang10
rbac10
kubernetes10
database-access10
Programming languages (5)
Github contributions (5)
JanKaczmarkiewicz/folder-app
Mar 2022 - Sep 2024
Contributions:23 reviews, 19 PRs, 142 pushes in 2 years 6 months
JanKaczmarkiewicz/advent-of-code-answers
Dec 2021 - Feb 2025
Contributions:13 PRs, 104 pushes, 10 branches in 3 years 3 months
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