Jerguš Lejko
Co-Founder & CTO at TopK
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolJerguš Lejko is a pragmatic engineering leader and Co-Founder & CTO with a decade of experience building backend systems and developer tooling from San Francisco. He has shipped production services and led teams across startups like Parrot and Pinecone, combining hands-on coding with engineering management. A seasoned contributor to the Laravel ecosystem—including notable fixes and features in laravel/framework and the popular Valet local development tool—he focuses on improving developer experience, Eloquent ORM behavior, and robust seeding/query utilities. Comfortable moving between product-facing engineering and low-level framework work, he brings a pragmatic eye for refactoring, API ergonomics, and reliable defaults. He studied computer science at the University of Bristol and often blends entrepreneurial drive with deep PHP/ backend craftsmanship.
10 years of coding experience
9 years of employment as a software developer
Informačné technológie, Informačné technológie at SPŠE PrešovBachelor of Science - BS, Computer Science, Bachelor of Science - BS, Computer Science at University of Bristol
English
Stackoverflow
610reputation
26kreached
15answers
12questions
Github Skills (33)
application-framework10
eloquent10
laravel-mix10
app-framework10
databases10
laravel10
php10
web-framework10
macos10
refactoring10
composer10
database10
testing9
web-application9
develop9
Programming languages (17)
Github contributions (5)
stefanzweifel/laravel-stats
Oct 2017 - Oct 2017
📈 Get insights about your Laravel or Lumen Project
Role in this project:
Back-end Developer
Back-end DeveloperContributions:66 commits, 32 PRs, 42 comments in 12 days
Contributions summary:Jerguš primarily focused on refactoring and improving the codebase related to the Laravel stats package. They made changes to improve code readability and maintainability by refactoring existing methods and streamlining collection pipelines. The user also updated wording in various files and implemented changes to allow for better constructor argument handling within the project's components. These changes improve the overall quality and flexibility of the project.
statisticsphplumencomposerlaravel-package
laravel/framework
Feb 2016 - Oct 2019
The Laravel Framework.
Role in this project:Back-end Developer
Back-end DeveloperContributions:21 commits, 32 PRs, 54 comments in 3 years 8 months
Contributions summary:Jerguš contributed to the Laravel framework by implementing new features and making improvements to existing functionalities. Their work included adding methods to classes, adding functionality for test responses, and simplifying and extracting methods. The user also addressed issues related to code generation, validation rules, and model events, suggesting a focus on improving the framework's core capabilities and developer experience. Furthermore, the user demonstrated proficiency by allowing flexibility in rules like in/not in by accepting collections, indicating an understanding of collection handling and validation.
laravel-frameworklaravelphpframework
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