Mateusz Kwasniewski
Senior Full Stack Developer at Unleash
Krakow, Lesser Poland Voivodeship
Summary
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Rockstar🎓
Top SchoolMateusz Kwasniewski is a Senior Full Stack Developer with 15 years of experience building performant, maintainable web systems and coaching teams from Krakow. He combines hands-on front-end craftsmanship—contributing UI improvements to the popular open-source feature-management platform Unleash—with backend and architectural work in Node.js/TypeScript, GraphQL and microfrontend infra. As an educator and trainer he teaches high-performing teams and advanced JavaScript, and runs Mindventures where he consults on architecture, performance audits and testing strategies. Known for pragmatic engineering principles (composition over convention, making impossible states impossible) and a Unix-influenced approach to tooling, he straddles product, ops and peopleware to turn complex requirements into reliable, testable delivery.
15 years of coding experience
6 years of employment as a software developer
Telecommunications Engineering, Telecommunications Engineering at Tampere University of TechnologyAGH University
Stackoverflow
26reputation
76reached
1answer
0questions
Github Skills (13)
uid10
typescript10
typescripts10
material-ui10
front-end-development10
ui-design10
react10
typescript-types10
feature-flags9
javascript9
docker6
aws-apprunner6
unleash6
Programming languages (16)
Github contributions (5)
Unleash/unleash
Oct 2022 - Jan 2023
Open-source feature management platform
Role in this project:
Front-end Developer
Front-end DeveloperContributions:2684 reviews, 105 commits, 2030 PRs in 3 months
Contributions summary:Mateusz primarily contributed to the front-end development of the Unleash platform. Their commits showcase the creation and modification of UI components, including the implementation of suggested change components and strategy-related UI elements. They refactored components, made styling changes, and displayed information such as toggle status and strategy details within the user interface. The work involved integration of components for various features, and improving user interaction.
collaborationabtestingcapistranoproductioncontinuous-deployment
kwasniew/hyperbook-tutorial
May 2020 - Aug 2020
Contributions:70 commits, 1 PR, 10 pushes in 3 months
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