Andrii Tiertyshnyi
Lead Architect at FINN
Tallinn, Harju County, Estonia
Summary
👤
Senior🎓
Top SchoolAndrii Tiertyshnyi is a Lead Architect with 11 years of experience designing and shipping high-performance frontend and mobile platforms across startups and scale-ups, currently leading architecture at FINN in Tallinn. He has a strong track record building mobile teams and products from scratch—scaling FINN’s app to thousands of new users monthly—and has driven cross-company platform initiatives at Bolt and Wix including a globally used telemetry service and a reusable payments UI. Deeply experienced in React, React Native and TypeScript, he blends hands-on engineering with hiring, mentorship and developer tooling, having conducted 100+ interviews and grown multiple teams. Notably, he’s delivered performance-critical systems—from a WebAssembly engine processing 100k+ interdependent data points in under a second to fast-rendering big-data visualizations—showing a rare mix of product focus and low-level optimization.
11 years of coding experience
8 years of employment as a software developer
Igor Sikorsky Kyiv Polytechnic Institute
English, Ukrainian, Estonian, Russian
Stackoverflow
52reputation
1kreached
3answers
2questions
Github Skills (132)
declarative10
hybrid10
javascript10
browser10
compiler10
static-site-generator10
typescript10
wix10
user-interface10
nextjs10
frontend10
react10
storybook9
internet9
wkwebview9
Programming languages (4)
Github contributions (5)
Faradey27/react-formula-beautifier
Mar 2015 - Aug 2017
Contributions:27 commits, 1 PR, 30 pushes in 2 years 5 months
mathreactreactjswrap
Faradey27/wix-style-react
Apr 2018 - Sep 2018
Common React UI components for all Wix verticals developing in React
Contributions:113 pushes, 32 branches in 5 months
reactwixdevelopingverticalsreact-ui-components
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