Orest Prystayko
Staff JavaScript Engineer Engineering Manager at ablefy
Lviv, Lviv Oblast, Ukraine
Summary
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Senior🎓
Top SchoolOrest Prystayko is a Staff JavaScript Engineer and Engineering Manager with 12 years of experience building high-performance web and SaaS platforms from Lviv, Ukraine. He combines hands-on React/Next.js/TypeScript expertise with organizational leadership, having led teams of seven while owning SDLC, roadmap, and cross‑functional alignment. Orest drove a server‑side Next.js migration that improved web vitals 2.5x, transitioned codebases to TypeScript to cut runtime defects, and modernized a Rails monolith into a service-oriented API for greater scalability. He introduced SRE practices—monitoring, incident response, and load testing with Grafana K6—and raised test coverage with Jest and Cypress to improve reliability. Known for pragmatic architectural decisions and mentoring, he also formed an internal guild to tackle technical debt and ensure long-term maintainability. Seeking leadership-driven, innovative environments, he excels where teams ship reliably and learn fast.
12 years of coding experience
Master's degree Geographic information system, Master's degree Geographic information system at Lviv National Polytechnic University
Украинский, Английский
Stackoverflow
1reputation
0reached
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Github Skills (114)
excel10
input-field10
angular10
cli10
mobx10
grid10
javascript9
mobx-react9
charts9
spreadsheet9
reactive-programming9
scalable9
vue-table9
datatable9
data-management9
Programming languages (5)
Github contributions (5)
qetr1ck-op/blogs-article
Nov 2014 - Jun 2022
Contributions:74 commits, 41 pushes in 7 years 8 months
qetr1ck-op/resources
Dec 2017 - Aug 2019
Contributions:409 pushes, 1 branch in 1 year 8 months
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