Rostyslav Myroshnychenko
Senior Software Engineer 2 at HubSpot
Cary, North Carolina, United States
Summary
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Senior🎓
Top SchoolRostyslav Myroshnychenko is a Senior Software Engineer with a decade of experience building scalable, high-performance systems across top tech companies including HubSpot, Instacart, Facebook, and Google. He specializes in designing config-driven services and performance-focused architectures—most notably a query builder at Instacart that halved rollout time for new ad formats and boosted query performance by 20–80%. His background spans security (device-backed certificates for OffVPN at Facebook), ETL optimization (cutting runtime from 35 to 5 minutes at Google), and user-facing SaaS features that dramatically improved engagement and onboarding. Based in Raleigh, NC, he combines deep backend engineering with a knack for driving cross-team adoption through workshops and hands-on support. A former civil engineering master's student, he brings an analytical, systems-oriented mindset to software problems that often yields surprising efficiency gains.
10 years of coding experience
10 years of employment as a software developer
Master of Science (M.Sc.) Civil and Construction Engineering, Master of Science (M.Sc.) Civil and Construction Engineering at PSACEA
Russian, English, German, Ukrainian
Stackoverflow
13reputation
397reached
0answers
2questions
Github Skills (58)
mediarecorder8
mediarecorder-api8
recordrtc7
game-development7
rust7
xml6
xpath6
apache-beam6
java6
data-driven6
game-engine6
microsoft-edge6
webrtc5
uikit5
cgo5
Programming languages (5)
Github contributions (5)
RostMyr/jfibers
Jun 2018 - Jul 2018
Fibers implementation on Java through bytecode instrumentation
Contributions:16 commits, 2 PRs, 14 pushes in 19 days
instrumentationbytecodebytecode-instrumentationfibersjava
RostMyr/lineage-server
Sep 2017 - Mar 2018
Contributions:35 pushes, 4 branches in 6 months
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