Stefan Fejes

San Francisco, California, United States

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Summary

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Rockstar

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Top School

Stefan Fejes is a product-minded software engineer with nine years of experience building web products and leading open-source initiatives from San Francisco. As co-founder of 30-seconds and an early creator of one of GitHub’s most starred projects, he blends front-end craftsmanship—contributing notable CSS snippets and build tooling—with full-stack automation that powers documentation and interview prep repositories. He currently applies this hybrid product-and-engineering skillset at veedstudio, helping scale a $20M+ ARR company while speaking and mentoring in the OSS community. Stefan’s background spans formal CS training, Y Combinator Startup School, and Reforge, reflecting both technical depth and startup-savvy product intuition.

9 years of coding experience

Startup School, Startup School at Y Combinator

Reforge

Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at Singidunum University

English, Serbian

Github Skills (16)

html10

css10

snips10

snippet10

javascript10

nodejs10

document-generation10

lists10

sni10

build-automation10

ed2551910

documentation9

markdown-it9

markdown9

front-end-development8

Programming languages (10)

TypeScriptJavaCSSJavaScriptGoPHPHTMLRuby

Github contributions (5)

Chalarangelo/30-seconds-of-interviews

Apr 2018 - Aug 2021

A curated collection of common interview questions to help you prepare for your next interview.

Role in this project:

Full-stack Developer

Contributions:1 review, 383 commits, 51 PRs in 3 years 4 months

Contributions summary:Stefan primarily worked on building and modifying scripts to generate the `README.md` file. They implemented a build process using Node.js, reading and processing files from the `questions` and `static-parts` directories. The user also refactored the build script to include a table of contents and improved the generation of the README, incorporating HTML, CSS, and JavaScript related questions. Furthermore, they added scripts to extract question details into a JSON format.

snippets-collectioncssjavascriptlearning-resourcessnippets

Chalarangelo/30-seconds-of-css

Mar 2018 - Mar 2019

Short CSS code snippets for all your development needs

Role in this project:

Front-end Developer

Contributions:30 commits, 15 PRs, 22 pushes in 1 year

Contributions summary:Stefan's contributions primarily involve updating and building the CSS snippets documentation. They added and updated custom variable documentation, along with browser support information for custom variables. The user also added a new "flexbox-centering" snippet and made build adjustments, indicating their involvement in expanding and maintaining the repository's content and functionality related to CSS snippets.

snippets-collectioncsslearning-resourcesshortsnippets

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