Sima Nerush
Cupertino, California, United States
Summary
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Rockstar🎓
Top SchoolSima Nerush is an experienced iOS engineer based in Cupertino with seven years building native apps and shipping multiple titles to the App Store. She specializes in Swift and modern Apple frameworks—SwiftUI, UIKit, Vision, ARKit, Core Data and concurrency—and has rebuilt apps from React Native to Swift while integrating GraphQL and MagicLink auth. At Ancestry she developed an AI-driven facial comparison feature and an AR museum prototype, presenting both to executives and winning internal awards, and she’s served as a scrum master and instructor on Modern Concurrency. Sima is also an active open-source contributor to the Swift compiler, improving semantic analysis and type checking for generics and pattern matching in the highly visible swiftlang/swift repo. Her mix of production app delivery, compiler-level contributions, and cross-functional leadership makes her particularly effective at bridging app-level UX work with deep language/tooling expertise.
7 years of coding experience
1 year of employment as a software developer
Bachelor of Arts - BA, Computer Science, Bachelor of Arts - BA, Computer Science at Reed College
English, Russian
Stackoverflow
77reputation
7kreached
2answers
0questions
Github Skills (10)
swift10
type-checking10
type-check10
compiler-development10
semantic-analysis9
generics9
ios6
swiftui6
navigationview6
autolayout6
Programming languages (10)
Github contributions (5)
swiftlang/swift
Jul 2022 - Nov 2022
The Swift Programming Language
Role in this project:
Back-end Developer
Back-end DeveloperContributions:62 reviews, 7 commits, 57 PRs in 3 months
Contributions summary:Sima primarily focused on improving the Swift compiler's Sema (Semantic Analysis) phase, fixing compiler crashes related to generic types and extensions. They also worked on allowing collection downcasts within cast patterns, enhancing the pattern matching capabilities. Additionally, the user contributed to type checking by refactoring code and addressing issues related to parameter packs, including support for 'for case' loops.
programming-languageswift
simanerush/swift
Jul 2022 - Aug 2025
The Swift Programming Language
Contributions:211 pushes, 78 branches in 3 years 1 month
programming-languageswift
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