Lukáš Karas
Self Employed at Na volné noze
Prague, Czechia
Summary
🤩
Rockstar🎓
Top SchoolLukáš Karas is a pragmatic full‑stack engineer with 10 years of experience building production web platforms, currently freelancing from Prague after roles at Productboard, Vercel and Prisma. He specializes in TypeScript, React (including Remix), GraphQL and Postgres, and has contributed to high-profile open-source projects like Next.js and GraphQL Playground where he improved routing, API support and developer-facing UI. Comfortable across frontend and backend boundaries, he brings microservices, testing and tooling experience from both startup and product-scale environments. His background in psychology and earlier QA/testing roles gives him an unusual empathy for users and discipline for reliable, well-tested delivery.
10 years of coding experience
7 years of employment as a software developer
Master, Psychology, Master, Psychology at Univerzita Komenského v BratislaveIT v kurze, IT v kurze at Aptech Europe
English, German, Swedish, Czech, Slovak
Github Skills (21)
url-routing10
javascript10
apidoc10
server-side-rendering10
typescript10
nextjs10
ui-design10
uid10
api10
front-end-development10
typescript-types10
typescripts10
react10
graphiql9
component-kit9
Programming languages (11)
Github contributions (5)
graphql/graphql-playground
Aug 2017 - Feb 2019
🎮 GraphQL IDE for better development workflows (GraphQL Subscriptions, interactive docs & collaboration)
Role in this project:
Front-end Developer
Front-end DeveloperContributions:9 releases, 115 commits, 105 PRs in 1 year 6 months
Contributions summary:Lukáš primarily contributed to the user interface of the GraphQL Playground, with commits focused on improving the documentation explorer. The contributions involve fixing description elements, resizing the documentation section, and updating styling and functionality. The user also made changes to the electron app, adding features for managing and switching between tabs.
graphql-subscriptionsprismasubscriptionscollaborationgraphql-ide
vercel/next.js
May 2019 - Nov 2020
The React Framework
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:48 commits, 56 PRs, 22 pushes in 1 year 6 months
Contributions summary:Lukáš contributed to various aspects of the Next.js framework, including router and API support. They removed components from the client router and refactored reload functionality. The user implemented experimental API support by changing server-side functionality. They also addressed POST and PUT methods for API routes, and added improvements to body parsing.
reactbrowserssgserver-renderingjavascript
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