Hristo Hristov
Senior Software Engineer at Apple Inc.
San Jose, California, United States
Summary
👤
Senior🎓
Top SchoolHristo Hristov is a Senior Software Engineer with 14+ years of experience specializing in high-performance algorithm, system and SIMD optimizations for Intel and ARM microarchitectures. Based in San Jose, he has driven performance-critical libraries and system-level optimizations at Apple and contributed to leading rendering engines like V-Ray and AxionRay, often targeting multi-core and SIMD processors including IBM Cell. Hristo combines deep low-level expertise—cache, ISA and SIMD tuning—with leadership experience launching and porting high-performance math and rendering libraries across diverse OSes and platforms. He has hands-on open-source/mobile experience through notable contributions to an unofficial Instagram iOS SDK, showing breadth beyond systems work. Colleagues rely on him to squeeze maximum throughput from flagship processors while mentoring teams to deliver production-ready, cross-platform solutions. He seeks to remain at the technical frontier in a prestigious company where continuous learning and measurable performance gains matter.
14 years of coding experience
9 years of employment as a software developer
Masters, Computer Science, Masters, Computer Science at Sofia University St. Kliment OhridskiCertificate, Certificate at UKTC po MTT
Bulgarian, English, Russian
Stackoverflow
2,048reputation
371kreached
15answers
4questions
iphone
top-5%
keyboard
top-5%
Github Skills (14)
apim10
objective-c10
ios10
api10
mobile-development10
instagram10
iphone9
keyboard9
keychain7
uitextview6
uicolor6
cocoa-touch6
nsattributedstring6
facebook6
Programming languages (1)
Github contributions (5)
shyambhat/InstagramKit
Apr 2015 - May 2015
The unofficial Instagram iOS SDK
Role in this project:
Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:6 commits, 1 PR, 1 comment in 2 days
Contributions summary:Hristo contributed significantly to the `InstagramKit` project, focusing on the implementation and maintenance of the iOS SDK. Their commits demonstrate a deep understanding of the Instagram API, as they worked on forwarding API responses and integrating various Instagram features such as media loading, comments, likes, and user relationships. The changes included adding methods, updating existing blocks, and ensuring the SDK functionality aligned with the Instagram API.
instagram-sdkkeychainios-sdkobjectivecsdk
ribeto/FLAnimatedImage
Apr 2015 - Apr 2015
Contributions:12 pushes, 1 branch in 1 day
imageanimatedgifanimated-gifswift
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.