Oleksandr Kolomiiets
Frontend Developer at Ronis Business Tools
Kyiv, Ukraine
Summary
👤
Senior🎓
Top SchoolOleksandr Kolomiiets is a frontend developer based in Kyiv with eight years of software experience focused on building flexible, user-friendly web applications. He currently works at Ronis Business Tools and has recently contributed short-term expertise to Lambda Team, showing adaptability across team environments. Beyond frontend work, Oleksandr has hands-on low-level systems experience—contributing to the Minoca operating system by improving MSVC compatibility, converting inline assembly for portability, and fixing platform-specific I/O issues—which underscores a deeper understanding of system architecture than typical for a frontend specialist. Trained at Mate Academy and holding a bachelor’s in Economics from National University of Kyiv-Mohyla Academy, he combines practical engineering chops with an analytical mindset. Known for pragmatic problem-solving and cross-layer curiosity, he brings reliability and a systems-aware perspective to UI-focused projects.
8 years of coding experience
Bachelor's degree, Economics, Bachelor's degree, Economics at National University of Kyiv-Mohyla AcademyMate academy
English, Ukrainian
Github Skills (11)
c1710
uefi10
embedded10
assembly10
c1110
sys10
operating-system10
assembler9
x869
arm9
msvcrt8
Programming languages (1)
Github contributions (2)
minoca/os
Jan 2018 - Nov 2018
Minoca operating system
Role in this project:
Embedded Systems Engineer
Embedded Systems EngineerContributions:7 commits, 16 PRs, 12 comments in 10 months
Contributions summary:Oleksandr primarily focused on low-level system programming and adapting code for specific hardware and architectures. Their contributions involved adding pragmas for MSVC compatibility, fixing copy/paste errors, and converting inline assembly to assembly files for improved portability. They also worked on UEFI platform-specific code and addressed issues related to I/O port access, including fixing compiler-specific ordering for Visual Studio. The contributions demonstrate a deep understanding of the Minoca operating system's architecture.
kernelmicrokerneldriversoperating-systemoperating
Alexcolom/os
Jan 2018 - Jan 2019
Minoca operating system
Contributions:2 PRs, 71 pushes, 17 branches in 11 months
kerneloperating-systemoperating
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