Oleksandr Halkin
Backend Engineer at Freelance
Kyiv, Ukraine
Summary
🤩
Rockstar🎓
Top SchoolOleksandr Halkin is a seasoned Backend Engineer and former technical manager with 18 years in IT, combining deep hands-on Node.js development with long-standing experience leading web, mobile, and platform engineering teams. He designs and operates high-load systems—particularly live-stream and VOD platforms—and is certified as an AWS Solutions Architect Professional and OpenJS Node.js developer. Comfortable across SQL and NoSQL databases, Docker/Kubernetes, and CI/CD ecosystems, he regularly automates development and testing flows to improve delivery velocity and quality. Recent hands-on work includes real-time game servers, REST APIs, and admin tooling for mobile games, reflecting a pragmatic balance of product-focused engineering and operational rigor. Based in Kyiv, he brings proven ability to translate complex requirements into cost- and resource-estimated architectures while coaching teams through continuous improvement. A detail that sets him apart: he moves fluidly between coding and engineering management, maintaining active freelance development alongside leadership roles.
10 years of coding experience
15 years of employment as a software developer
Master Project Management, Master Project Management at Admiral Makarov National University of Shipbuilding
Russian, English, Ukrainian
Stackoverflow
1,107reputation
985kreached
32answers
15questions
Github Skills (138)
cms10
dashboard10
testing10
automation10
nike10
command-line-tool10
javascript10
txt10
no-code10
chromium10
ionic10
pm210
firefox10
api10
rest10
Programming languages (5)
Github contributions (5)
alexgalkin/devicons
Nov 2016 - Apr 2018
Contributions:4 commits, 1 PR, 5 pushes in 1 year 4 months
svgfontdeviconpngicons
alexgalkin/parsestarredrepos
Apr 2017 - Dec 2024
Contributions:10 pushes, 1 branch in 7 years 9 months
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