Khaidir 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
8 years of employment as a software developer
Bachelor's Degree, Computer Science, Bachelor's Degree, Computer Science at Institut Pertanian Bogor (IPB)
Easily browse and insert symbols in Sketch. Download link in description.
Contributions:3 releases, 1 review, 46 commits in 1 year 9 months
symbolslinksketchbrowseinsert
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.
Request Free Trial
Khaidir Afif - Software Engineer at Rakuten Commerce LLC