Alex Petcoglo
Senior Front-End Engineer at Instill AI
Barcelona, Catalonia, Spain
Summary
👤
Senior🎓
Top SchoolAlex Petcoglo is a senior front-end engineer based in Barcelona with 11 years of experience building performant, user-focused web applications. He specializes in TypeScript and React/Next.js, with a track record of improving app performance, implementing secure OAuth flows (including token rotation), and shipping experimental browser API features. Currently at Instill AI and consulting at Kalkul, he blends startup agility with consultancy discipline, having also maintained Chrome extensions and cross-platform apps. Self-taught early on and formally trained in languages and computer science, he brings a pragmatic, design-conscious approach informed by close collaboration with designers and PMs. Notably, his career spans everything from legacy jQuery maintenance to modern static and interactive experiences, making him adept at both rescue missions and greenfield builds.
11 years of coding experience
11 years of employment as a software developer
Undergraduate, Foreign Languages, Undergraduate, Foreign Languages at Nevsky Institute of Language and CultureLinguistic Centre "Lingua"Undergraduate, Foreign Languages, Undergraduate, Foreign Languages at Murmansk Arctic State University
English, Russian, French, Romanian, Spanish
Stackoverflow
143reputation
7kreached
5answers
12questions
Github Skills (200)
google-analytics10
testing10
csrf10
datasets10
automation10
spid10
solidjs10
vector-graphics10
firefox10
api10
computer-vision10
semantic-segmentation10
nodejs10
data-connector10
html5-canvas10
Programming languages (18)
Github contributions (5)
secusu/web-app
Dec 2016 - Apr 2018
SЁCU is a web application design to create, store and provide SЁCU API self-destructing data payloads.
Contributions:3 releases, 15 commits, 56 PRs in 1 year 4 months
apipythondestructingweb-applicationapplication-design
orangecoloured/react-dates
May 2019 - Feb 2021
An easily internationalizable, mobile-friendly datepicker library for the web
Contributions:25 pushes, 1 branch in 1 year 9 months
reactdatepickercalendarjavascriptmobile-friendly
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