Han Yap
Founder at Yap Sweden AB
Stockholm, Sweden
Summary
🤩
Rockstar🎓
Top SchoolHan Yap is a Stockholm-based founder and senior software engineer with 15 years of hands-on experience building front-end-first web applications and full-stack systems. He blends curiosity across architecture, security, performance, CI/CD, and tooling with a strong focus on front-end craftsmanship, proven by contributions to notable open-source projects like Ractive.js and fixes in the Laravel ecosystem. Han has led and shipped products across finance, gaming, and enterprise domains at companies including Klarna, Folksam, and PriceRunner while running his own company, Yap Sweden AB. He’s comfortable bridging browser quirks and backend correctness—resolving cross-browser issues and improving build processes—while also contributing to PHP framework robustness. Known for practical problem-solving, he pairs an experimental, broad IT curiosity (from networks to mobile and games) with disciplined engineering and documentation.
15 years of coding experience
12 years of employment as a software developer
Deploy and Manage Web Sites, 7.5 credits, Deploy and Manage Web Sites, 7.5 credits at Linnaeus UniversityInnovative Programming, Innovative Programming at Linköping UniversityTeknikprogrammet IT Datorteknik, Teknikprogrammet IT Datorteknik at Lindengymnasiet
Stackoverflow
11,159reputation
6.6mreached
123answers
24questions
css
top-5%
html-table
top-5%
cross-browser
top-5%
jquery
top-5%
ethereum
top-1%
php
top-1%
Github Skills (36)
application-framework10
r-js10
debug10
javascript10
laravel-mix10
app-framework10
laravel10
php10
ractivejs10
front-end-development10
ethereum10
web-framework10
highlight9
sql-query9
jquery9
Programming languages (17)
Github contributions (5)
ractivejs/ractive
Aug 2013 - Oct 2016
Next-generation DOM manipulation
Role in this project:
Front-end Developer
Front-end DeveloperContributions:13 commits, 1 PR, 4 pushes in 3 years 2 months
Contributions summary:Han contributed to the Ractive.js project by addressing issues related to event handling and build processes. They fixed a bug in the tap event, ensuring it only triggers on left mouse clicks. They also resolved a console error in Internet Explorer, contributing to cross-browser compatibility. Furthermore, the user improved the build process by showing the revision in build files and reordering JSHint options. Lastly, they replaced the existing TypeScript definition with a community definition.
manipulationnext-generationdom-manipulationdomdom-generation
laravel/laravel
Oct 2011 - Jan 2012
Laravel is a web application framework with expressive, elegant syntax. We’ve already laid the foundation for your next big idea — freeing you to create without sweating the small things.
Role in this project:Back-end Developer
Back-end DeveloperContributions:9 commits in 3 months
Contributions summary:Han primarily contributed to bug fixes and code corrections within the Laravel framework. Their work involved addressing typos, adjusting PHP documentation, correcting parameters in phpdoc, and resolving bugs related to database queries and nesting sections. The commits demonstrate a focus on improving the core functionality and ensuring the accuracy of the framework's internal code. The user also added validation functionality.
phpweb-applicationframeworkexpressiveweb-application-framework
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