Marsel A
Lead Software Engineer at EPAM Systems
Houston, Texas, United States
Summary
🤩
Rockstar🎓
Top SchoolMarsel A is a Lead Software Engineer based in Houston with 14 years of experience building and optimizing full-stack and back-end systems for enterprise clients such as Verizon, Schlumberger, Wolters Kluwer, and EPAM. He combines hands-on performance tuning—evident from open-source work reducing allocations in the godbus/dbus Go bindings and observability improvements in parca—with a track record of shipping large .NET and Angular migrations, real-time desktop control systems, and CI/CD automation. Known for squeezing resource usage (one project cut RAM and CPU by 88% and 46% respectively) he balances deep systems curiosity with pragmatic delivery. Comfortable leading small distributed teams, he also brings cross-disciplinary experience in DevOps, profiling, and database/version-control automation for complex, regulated domains.
14 years of coding experience
6 years of employment as a software developer
Bachelor's degree, Mathematical Programming and Administration of Information Systems, Bachelor's degree, Mathematical Programming and Administration of Information Systems at Ufa State Aviation Technical University
Russian, English
Github Skills (21)
observability10
decode10
dbus10
decoding10
go10
performance-optimization10
encoding10
profiling10
encode10
performance-monitor9
kubernetes9
kubernetes-pods9
performance-analysis9
concurrency9
prometheus8
Programming languages (13)
Github contributions (5)
parca-dev/parca
Apr 2022 - Nov 2022
Continuous profiling for analysis of CPU and memory usage, down to the line number and throughout time. Saving infrastructure cost, improving performance, and increasing reliability.
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:18 reviews, 8 commits, 14 PRs in 7 months
Contributions summary:Marsel primarily contributed to infrastructure and back-end improvements. They removed redundant namespace configurations, upgraded the base Alpine image, and added error handling for query results. Furthermore, the user implemented metrics for the symbolizer package, improving the system's observability. They also made changes to prevent redundant file openings.
memorymemory-usageobservabilityprometheusmonitoring
godbus/dbus
Dec 2022 - Dec 2022
Native Go bindings for D-Bus
Role in this project:Back-end Developer
Back-end DeveloperContributions:8 commits, 6 PRs, 8 comments in 7 days
Contributions summary:Marsel focused on optimizing the `godbus/dbus` project's performance, specifically within the decoder and message handling components. They reduced memory allocations in the decoder, implemented a benchmark for encoding slice interfaces, and optimized the `ReadMessage` function in the Unix transport to minimize allocations. Additionally, the user fixed a "use of closed network connection" error and refactored parts of the code to use a resetable decoder and allocate a byte slice for the message body.
golangd-busnative-gobusdbus
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