Andrey Vabishchevich

Moscow, Moscow, Russia

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Summary

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Rockstar

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Top School

Andrey Vabishchevich is a C/C++ software engineer with 13 years of experience building high-performance, multithreaded systems across medical simulation, VR, embedded devices and game engines. He has led architecture and core development for a hybrid dental simulator using VTK, Qt and custom TCP/UDP/XML/JSON protocols, and has integrated motion-tracking and inertial sensors into production systems. His work spans embedded firmware for microcontrollers and ZigBee wearables to Android/Unity3D VR clients and desktop client-server streaming with GStreamer, demonstrating full-stack systems thinking. Andrey contributes to open-source projects (e.g., fixing rendering and rasterization bugs in the widely used libass subtitle renderer), reflecting an attention to low-level robustness and performance. Comfortable liaising with customers and leading small teams, he combines hardware integration experience with strong visualization and networking skills.

13 years of coding experience

16 years of employment as a software developer

English language course, Total English Advanced, English language course, Total English Advanced at Moscow High Language School

Master of Engineering and Technology, Informatics and Computer Engineering, Master of Engineering and Technology, Informatics and Computer Engineering at Moscow Institute of Electronics and Mathematics (Technical University)

Английский, Russian

Github Skills (13)

c1710

rasterizer10

ras10

rasterize10

c1110

render10

raster10

subtitle10

rasterizing10

data-structure9

algorithm9

data-structures9

algorithms9

Programming languages (4)

JavaC++CRust

Github contributions (5)

libass/libass

Mar 2014 - Nov 2022

libass is a portable subtitle renderer for the ASS/SSA (Advanced Substation Alpha/Substation Alpha) subtitle format.

Role in this project:

Back-end Developer

Contributions:312 reviews, 143 commits, 52 PRs in 8 years 10 months

Contributions summary:Andrey contributed to the libass project by fixing bugs related to outline rendering. They addressed issues with zero area outlines in `ass_bitmap.c`, optimized rasterization in `ass_rasterizer.c`, and fixed integer overflows in `ass_drawing.c`. Their work improved subpixel shadow shifting and addressed a crash related to stroked outlines.

asssubstation-alphasubtitle-formatssubstationsubtitle-format

MrSmile/libass

Jan 2014 - Dec 2022

libass is a portable subtitle renderer for the ASS/SSA (Advanced Substation Alpha/Substation Alpha) subtitle format.

Contributions:46 commits, 203 pushes, 72 branches in 9 years

asssubstation-alphanim-langsubstationvtt

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