Jan Barášek
Full Stack Engineer at GymRoom.cz
Prague, Prague, Czechia
Summary
👤
Senior🎓
Top SchoolJan Barášek is a Full Stack Engineer and independent consultant with nine years of experience building cloud-first web applications, e-commerce platforms and large portals. He started building products at 14 with Mathematicator and now blends hands‑on React/Next.js and Node.js development with deep PHP and backend expertise, contributing performance and debugging fixes to well-known Nette libraries like tracy and utils. Jan favors Domain‑Driven Design and architectures that enable cross‑project code reuse, and he has led complex integrations across enterprise landscapes while learning negotiation techniques used in high-stakes projects. As a founder and technology director of an energy-sharing SaaS platform and a core developer on multiple products, he pairs entrepreneurial product sense with pragmatic cloud-first engineering (Vercel, Azure) and a preference for minimal DevOps. Colleagues value his focus on clear relationships, fairness and delivering projects to completion.
10 years of coding experience
10 years of employment as a software developer
Informační technologie, Informační technologie at SPŠ a VOŠ Kladno
Czech, English, Russian, Czech
Github Skills (14)
text-manipulation10
debugging10
error-handling10
filesystem10
utilities10
php10
file-operations10
fileio10
nette10
exception-handling9
performance-optimization9
data-manipulation9
testing8
ajax4
Programming languages (10)
Github contributions (5)
nette/utils
Jun 2019 - Nov 2021
🛠 Lightweight utilities for string & array manipulation, image handling, safe JSON encoding/decoding, validation, slug or strong password generating etc.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:13 commits, 30 PRs, 17 comments in 2 years 5 months
Contributions summary:Jan primarily focused on optimizing and improving the Nette Utils library. Their contributions involved performance enhancements, such as optimizing string functions, and implementing binary-safe file operations. They also addressed bug fixes and improved code quality by updating code styles to use PHP 7.1 features. Additionally, the user added new functionalities like the `makeWritable()` method and fixed exceptions to include the current mode for better debugging.
jsarraytraitjson-encodingstring
nette/tracy
Apr 2019 - Jun 2021
😎 Tracy: the addictive tool to ease debugging PHP code for cool developers. Friendly design, logging, profiler, advanced features like debugging AJAX calls or CLI support. You will love it.
Role in this project:Back-end Developer
Back-end DeveloperContributions:3 reviews, 13 commits, 30 PRs in 2 years 2 months
Contributions summary:Jan primarily contributed to the Tracy debugging tool, focusing on enhancements to the BlueScreen and Debugger components. Their work included addressing error handling and display issues, adding features like a message length limit and selection color, and improving the CLI output. They also resolved typos and optimized the template rendering for better functionality.
ajaxclidebuggingloggingphp
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