Khaidir Afif
Software Engineer
Indonesia
Summary
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SeniorKhaidir Afif is a software engineer based in Tokyo with 11 years of experience building high-performance, scalable web platforms across Indonesia and Japan. He specializes in frontend architecture, CI/CD, and reliability, with a track record of shaving build times in half, improving Core Web Vitals, and reducing error rates and infrastructure costs through targeted optimizations. At Rakuten and Tokopedia he led cross-team upgrades, PCI DSS compliance efforts, and a serverless deployment platform while also mentoring engineers and improving developer experience. Notably, he diagnosed and fixed a long-standing Node.js memory leak and integrated LLMs to automate error summarization, demonstrating a pragmatic mix of deep debugging and modern tooling. He combines hands-on engineering with product-minded UX work—having authored a widely used Sketch plugin and maintained design systems—making him fluent at turning design intent into resilient, deployable systems.
11 years of coding experience
Github Skills (14)
sketch-plugin10
sketch10
mongodb7
react7
skpm7
nodejs7
orm5
asynchronous5
slick4
jsx4
odm4
devtools3
react-carousel3
react-framework1
Programming languages (5)
Github contributions (5)
afifkhaidir/imagearea
Dec 2015 - Aug 2024
Contributions:3 pushes, 1 branch in 8 years 10 months
afifkhaidir/symbol-finder
Oct 2019 - Jun 2021
Easily browse and insert symbols in Sketch. Download link in description.
Contributions:3 releases, 1 review, 46 commits in 1 year 9 months
sketch
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