Elijah Semyonov
Software Engineer at AstrotouR
North Holland, Netherlands
Summary
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Rockstar🎓
Top SchoolElijah Semyonov is a software engineer with eight years of experience specializing in iOS development, low-level Metal rendering, technical art and AR interaction design. Currently at JetBrains and founder of AstrotouR, he combines production-grade app architecture with custom rendering engines and shader work to recreate complex astronomical phenomena on low-power mobile GPUs. Proficient in Swift, Kotlin, C++ and Objective-C, he routinely tackles performance bottlenecks, multithreaded systems and serialization across REST and binary protocols. Past roles show a track record of dramatic performance optimizations, legacy migrations to Swift, and establishing testable MVVM-C architectures. He also designs offline tooling, domain-specific markup languages and content pipelines, bringing both product direction and hands-on engineering to projects. Based in North Holland, he blends analytical rigor with a creative, almost artistic approach to problem solving.
8 years of coding experience
4 years of employment as a software developer
Bachelor's degree, Software Engineering, Bachelor's degree, Software Engineering at State University — Higher School of Economics
Русский, English, Swedish, Dutch
Stackoverflow
11reputation
408reached
1answer
0questions
Github Skills (43)
kotlin10
javascript10
ios10
multiplatform10
jetpack10
reactive10
awt10
synchronized10
modern-ui10
compose-web10
compose10
desktop10
androidx10
kotlin-multiplatform10
android10
Programming languages (3)
Github contributions (5)
elijah-semyonov/Substrate
Mar 2022 - Jul 2023
A cross-platform render-graph based rendering system written in Swift
Contributions:4 pushes in 1 year 3 months
rendergraph-basedrenderingswiftcross-platform
elijah-semyonov/godot
Jul 2024 - Aug 2024
Godot Engine – Multi-platform 2D and 3D game engine
Contributions:2 pushes in 29 days
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