Yahor Siarheyenka
Principal Software Engineer at Kaseya
Krakow, Lesser Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolYahor Siarheyenka is a Principal Software Engineer with 13 years of experience building scalable full-stack and platform solutions, currently driving R&D on the Datto EDR SaaS at Kaseya. He has deep expertise in JavaScript/Node.js and big-data PaaS architectures from leading initiatives at Cisco—where he owned the Big Data Broker and led tooling to simplify diagnostics for network TAC engineers—and prior fintech and trading portal work at IG. Comfortable across the stack, he combines hands-on coding with technical leadership, mentoring teams to deliver telemetry-driven, ML-ready systems. Based in Krakow, he brings a pragmatic, product-focused approach informed by diverse domain experience (banking, biotech, medical) and an appetite for turning messy operational data into actionable insights.
13 years of coding experience
12 years of employment as a software developer
Bachelor’s Degree, Information Economics for Management (IEM), Bachelor’s Degree, Information Economics for Management (IEM) at Belarusian State Agrarian Technical University
English, Russian
Github Skills (183)
testing10
windows10
http10
ember10
declarative10
dockerfile10
linter10
node-redis10
schema10
runner10
encryption10
crypto10
javascript10
sinon10
stubs10
Programming languages (11)
Github contributions (5)
bricss/thaw
May 2015 - Feb 2026
The narrow belt for AOP 🎀
Contributions:49 pushes in 10 years 11 months
beltaop
bricss/node
Apr 2025 - Jun 2026
Node.js JavaScript runtime ✨🐢🚀✨
Contributions:109 pushes, 1 branch in 1 year 2 months
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