Marcin Kulik
Founder at Kulik Consulting
Poland
Summary
🤩
Rockstar🎓
Top SchoolMarcin Kulik is a founder and seasoned software engineer with 17 years of experience building backend platforms, developer tools, and SaaS infrastructure for startups and enterprises. Based in Poland, he blends hands-on systems work—DevOps, platform architecture and API design—with full-stack contributions in Elixir, Rust and JavaScript. He created the popular asciinema project and has driven key open-source pieces like GIF rendering and player UX, demonstrating a knack for both low-level C compatibility fixes and high-level product features. As founder of Kulik Consulting and former platform lead at Vic.ai, he specializes in making production systems reliable and developer-friendly. Colleagues know him for pragmatic engineering and for improving testability and observability across projects.
17 years of coding experience
17 years of employment as a software developer
Zespół Szkół nr 1 im. Stanisława StaszicaBachelor's degree, Computer Science, Bachelor's degree, Computer Science at Wyzsza Szkola Zarzadzania i Bankowosci w KrakowieMaster's degree, Computer Science, Master's degree, Computer Science at AGH University of Krakow
English, Polish
Stackoverflow
1,888reputation
198kreached
13answers
3questions
linux
top-5%
nginx
top-5%
ubuntu
top-5%
Github Skills (51)
javascript10
system-programming10
clojure-cli10
elixir10
testing10
rspec10
linux10
c1110
ruby10
clojure10
c1710
phoenix-liveview10
front-end-development10
phoenix-framework10
nodejs10
Programming languages (31)
Github contributions (5)
asciinema/asciinema-player
Mar 2014 - Jan 2023
Web player for terminal session recordings
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:57 releases, 4 reviews, 959 commits in 8 years 11 months
Contributions summary:Marcin's commits primarily focus on enhancing the user interface of the terminal session player. They implemented test suite configuration and configured asset concatenation and minification, indicating a focus on the development process. Furthermore, the user was also responsible for building new features such as including a basic React.js UI example and a brand new React.js based player, showing their active engagement in frontend development.
asciicastasciinemarecordingmixerterminal
asciinema/asciinema-server
Nov 2011 - Apr 2022
Platform for hosting and sharing terminal session recordings
Role in this project:Back-end Developer
Back-end DeveloperContributions:12 releases, 3 reviews, 2441 commits in 10 years 7 months
Contributions summary:Marcin contributed to both the backend models and API endpoints, focusing on improving the asciicast server. Their work involved removing unused database columns, refactoring existing models, and introducing new features related to user management and processing. The user also modified the codebase to support both current and legacy client upload formats, showcasing familiarity with existing API structures and a good understanding of database schemas.
hostingsharingpwarecordingterminal
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