Jan Nedbal
Software Developer at ShipMonk
Prague, Prague, Czechia
Summary
🤩
Rockstar🎓
Top SchoolJan Nedbal is a Staff Software Developer with 12 years of experience, currently leading the DX/Platform team at ShipMonk where he builds foundational systems and enforces high engineering standards. He specializes in PHP backend development, CI/CD automation, and aggressive technical debt management to enable fast, safe feature delivery. A go-to technical resource, he helps teams solve complex programming, SQL, and architectural challenges while fostering a culture of quality. Jan is an active open-source contributor—making 1,200+ contributions last year—to prominent projects like PHPStan, Doctrine, Symfony and Composer, and has directly improved PHPStan’s analysis and error reporting internals. Based in Prague with an engineering degree from CTU, he combines hands-on implementation with developer experience leadership and public speaking to spread best practices. An interesting detail: beyond product delivery he focuses on measurable developer productivity gains, including instrumentation that surfaced per-file elapsed times in static analysis tools.
12 years of coding experience
4 years of employment as a software developer
Inženýr (Ing.), Computer Software Engineering, Inženýr (Ing.), Computer Software Engineering at České vysoké učení technické v PrazeGymnázium Česká Lípa
English, Czech
Stackoverflow
116reputation
7kreached
6answers
0questions
Github Skills (13)
debugging10
php10
code-analysis10
debug10
phpstan10
testing9
symfony-ux7
symfony7
doctrine-orm6
namespaces6
laravel6
mysql6
encoding6
Programming languages (12)
Github contributions (5)
phpstan/phpstan-src
Mar 2022 - Jan 2023
PHPStan's source code. This is where development happens. Check https://github.com/phpstan/phpstan for the distribution repository.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:72 reviews, 9 commits, 79 PRs in 9 months
Contributions summary:Jan primarily contributes to the PHPStan source code, focusing on improving the analysis and debugging capabilities. Their commits include implementing features to measure and display elapsed time per file in debug mode. They also add enhancements to the NodeScopeResolver, particularly related to attribute processing, and introduce new classes to support match expression functionality. Additional contributions include improvements to the error reporting and formatting.
phpstatic-code-analysisphpstanphp7static-analysis
janedbal/coding-standard
Feb 2017 - Mar 2025
Slevomat Coding Standard for PHP_CodeSniffer extends Consistence Coding Standard by providing sniffs with additional checks.
Contributions:15 pushes, 3 branches in 8 years 2 months
consistencephpadditionalphp-codesnifferchecks
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