Jiri Trecak
Chief Executive Officer at Supernova
San Francisco, California, United States
Summary
🤩
Rockstar🎓
Top SchoolJiri Trecak is a founder-CEO and hands-on technologist with 11 years of professional experience who built Supernova into a YC-backed, Forbes-recognized startup transforming how large teams design, ship, and maintain design systems. He blends deep mobile and full-stack engineering roots—shiping iOS systems, localization tooling in Swift, and dozens of web and mobile products—with product leadership and rapid fundraising (a $3M seed closed in a week). Known for staying close to customers and features, he hires top talent and moves between strategy and code, contributing open-source projects like a Swift localization generator. Based in San Francisco, he is the first Czech alumni of YC’s core program and combines entrepreneurial grit with a developer’s curiosity for building delightful developer and designer experiences.
11 years of coding experience
15 years of employment as a software developer
Information Technology, Information Technology at VŠB - Technical University of OstravaY CombinatorBachelor of Applied Science (B.A.Sc.) Applied Informatics, Bachelor of Applied Science (B.A.Sc.) Applied Informatics at University of Ostrava
Czech, English, Slovenian
Stackoverflow
5,102reputation
445kreached
79answers
6questions
uiscrollview
top-5%
swift
top-5%
uiview
top-5%
ios
top-5%
Github Skills (15)
swift10
localization10
cocoapods9
screen-shot9
uiscrollview9
uiview9
ios9
objective-c9
api-design8
xcode6
background-task6
macos6
uiapplicationdelegate6
alamofire6
iphone6
Programming languages (10)
Github contributions (5)
JiriTrecak/Laurine
Nov 2015 - Nov 2017
Laurine - Localization code generator written in Swift. Sweet!
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:86 commits, 20 PRs, 97 pushes in 2 years
Contributions summary:Jiri's primary focus was on developing the Laurine project, a Swift-based localization code generator. Their commits demonstrate the implementation of the core functionality of generating Swift and Objective-C code from localization files, including handling different data types and special characters within the translations. Additionally, the user worked on creating an example project, incorporating CocoaPods, and implementing user interface elements, which demonstrates the full-stack nature of their contributions.
code-generatorswiftlocalizationsweeti18n
Supernova-Studio/exporter-style-dictionary
Apr 2021 - Apr 2022
Supernova Style Dictionary exporter allows conversion of design system data and elements into valid, production-ready style dictionary JSON definitions
Contributions:6 commits, 2 PRs, 19 pushes in 11 months
dictionaryexporterexporterselementsproduction-ready
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