Volodymyr Babchuk
Lead Software Engineer at EPAM Systems
Kyiv, Ukraine
Summary
🤩
Rockstar🎓
Top SchoolVolodymyr Babchuk is a Lead Software Engineer based in Kyiv with 10+ years building low-level, embedded and system software for payment terminals, automotive platforms and SoCs. He has deep expertise in Linux kernel internals, Android low-level stacks, memory management and synchronization—work honed at GlobalLogic and EPAM and stretching back to HAL and payment-processing systems at Dacard Plus. An active contributor to the OP-TEE project, he has improved core TEE memory layout, locking and dynamic shared buffer support, reflecting a knack for solving tricky platform and concurrency problems. Colleagues rely on him to tackle the hardest technical challenges end-to-end, from device drivers to OS virtualization on constrained hardware.
10 years of coding experience
9 years of employment as a software developer
Igor Sikorsky Kyiv Polytechnic Institute
Ukrainian, Russian, English
Github Skills (22)
architecture10
memory-management10
c1110
c-programming10
c1710
kernel10
rpc10
u-boot10
sys10
kernel-mode10
virtualization10
arm10
embedded10
shared-memory10
architectures10
Programming languages (10)
Github contributions (5)
OP-TEE/optee_os
Nov 2016 - Sep 2022
Trusted side of the TEE
Role in this project:
Back-end Developer
Back-end DeveloperContributions:35 reviews, 137 commits, 86 PRs in 5 years 11 months
Contributions summary:Volodymyr primarily contributed to the OP-TEE OS's core functionalities, with a focus on memory management and system-level features. Their work involved aligning comments with code, and correcting memory layout configurations and introducing functions, like functions to manage different mmu partitions and add support for dynamic shared buffers. The user also implemented several changes to the memory allocation by using spinlocks and added locking to handle linked list handling. Furthermore, the user introduced functions to map and unmap the pages.
trustedtee
lorc/xen
Jan 2017 - Nov 2022
Mirror of the Xen Repository (PRs not accepted see: http://wiki.xenproject.org/wiki/Submitting_Xen_Project_Patches)
Contributions:260 commits, 254 pushes, 60 branches in 5 years 11 months
wikipatchesxenprs
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.