Oleg Oshmyan
Programmer at TX | Mobilly Labumi
Riga, Latvia
Summary
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Rockstar🎓
Top SchoolOleg Oshmyan is a seasoned programmer with 15 years of experience, based in Riga and focused exclusively on remote roles. He brings deep backend expertise demonstrated by long-term contributions to performance- and correctness-sensitive open-source projects like sslh (protocol multiplexer) and libass (subtitle renderer), where he fixed resource leaks, improved connection handling, and enhanced rendering quality. His career includes work for varied organizations from Mobilly to Scuderia Ferrari, reflecting an ability to adapt to high-pressure and domain-diverse engineering environments. A Cambridge-educated computer scientist, he combines rigorous academic training with practical systems-level problem solving. Beyond code, Oleg’s background in music (piano and violin) suggests discipline and attention to subtle detail that show up in his bug-focused, efficiency-driven contributions. He prefers remote-first engagement and avoids relocation.
15 years of coding experience
1 year of employment as a software developer
Gifted Children’s Optional SchoolProgmeistarsMaster of Engineering (MEng), Bachelor of Arts (BA) (with Honours), Computer Science, Master of Engineering (MEng), Bachelor of Arts (BA) (with Honours), Computer Science at University of CambridgeRiga Secondary School No. 57International Baccalaureate Diploma Programme, International Baccalaureate Diploma Programme at Riga State Gymnasium No. 1Piano, Piano at Latgale Suburb Music SchoolRiga Secondary School No. 51
Russian, Latvian, English, Japanese, German, Italian, Esperanto
Stackoverflow
1,055reputation
36kreached
9answers
6questions
ffmpeg
top-5%
Github Skills (24)
system-programming10
c1110
render10
networking10
c1710
font-rendering10
subtitle10
ffmpeg9
data-structure9
forking9
algorithm9
algorithms9
error-handling9
fork9
data-structures9
Programming languages (22)
Github contributions (5)
libass/libass
Aug 2012 - Jan 2023
libass is a portable subtitle renderer for the ASS/SSA (Advanced Substation Alpha/Substation Alpha) subtitle format.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:12 releases, 498 reviews, 314 commits in 10 years 6 months
Contributions summary:Oleg primarily contributed to improving the libass subtitle renderer, focusing on correcting rendering issues and improving the quality of text rendering. Their work included fixing bugs in the rendering of various features like shadows, borders, and line breaks, as well as enhancing support for anamorphic video and karaoke effects. The user also introduced several new features, such as support for additional font metadata and improved handling of text scaling.
asssubstation-alphasubtitle-formatssubstationsubtitle-format
yrutschle/sslh
Sep 2017 - Apr 2018
Applicative Protocol Multiplexer (e.g. share SSH and HTTPS on the same port)
Role in this project:Back-end Developer
Back-end DeveloperContributions:8 commits, 3 PRs, 5 comments in 7 months
Contributions summary:Oleg primarily contributed to the `sslh` project by fixing bugs and improving the codebase. They addressed issues such as socket leaks, connection handling with deferred data, and HTTP method probing. Their work included simplifying code, supporting forking for particular protocols, and reducing CPU and memory usage in forked processes. These changes indicate a focus on the core functionality and efficiency of the protocol multiplexer.
multiplexerssh
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