Sergey Tyan
Senior Frontend Developer at Upwork
Almaty, Kazakhstan
Summary
👤
Senior🎓
Top SchoolSergey Tyan is a Senior Frontend Developer and engineering lead with 11 years of experience building performant web and mobile experiences from Almaty, Kazakhstan. He combines hands-on React and Node.js architecture work with people-focused leadership—scaling a local office from 2 to 28 engineers, running onboarding and one-on-ones, and training developers across time zones. Sergey has a track record of pragmatic performance engineering (lifting Lighthouse scores from ~60 to ~95) and cost-conscious platform changes such as moving image resizing to serverless. He brings full‑stack sensibility from early backend and banking systems to modern frontend migrations, and he routinely automates DevOps tasks and builds internal tools to boost team productivity. Notably, he separated core app-rendering from a Rails monolith into a standalone Node service, demonstrating both architectural vision and execution.
10 years of coding experience
10 years of employment as a software developer
Bachelor's Degree, Computer Software Engineering, Bachelor's Degree, Computer Software Engineering at IITU
English, Russian, German
Stackoverflow
94reputation
8kreached
1answer
6questions
Github Skills (55)
postgresql10
finance10
stimulusjs10
hotwire10
ruby10
turbo10
ruby-on-rails10
prefixes9
openpgp9
env9
css9
parse9
secrets7
gcp7
security7
Programming languages (7)
Github contributions (5)
sergey-tyan/maybe
Feb 2024 - Jun 2024
The OS for your personal finances
Contributions:15 pushes, 2 branches in 4 months
sergey-tyan/OKO
Dec 2015 - Apr 2016
Contributions:13 pushes, 1 branch in 3 months
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