Kirill Petunin
@kirillpetunin
Senior frontend engineer focused on performant React and TypeScript solutions for large-scale systems.
What I'm looking for
I am a Senior Frontend Engineer with 7+ years building scalable web applications for international companies, specializing in React, TypeScript, Node.js and Nest.js. I design performant frontends and microservices, and I created the open-source SnowUI library used in production.
I have led cross-functional teams, improved system scalability by 200%, and reduced application load time from 10 to 2 seconds through lazy loading, data virtualization and render optimizations. I contributed to payment systems processing over 1M daily transactions and implemented extensive testing coverage.
I work in Agile/Scrum environments, collaborate closely with product and backend teams, and am open to remote roles worldwide that value security, performance, and maintainable architecture.
Experience
Work history, roles, and key accomplishments
Senior Frontend Engineer
T1 Innotech
Nov 2024 - Present (1 year 3 months)
Architected and developed a cryptocurrency project with React, Remix and Node.js focusing on security and performance; extracted monolith into microservices (BFF and frontend), improving scalability by 200% and reducing deployment time.
Senior Frontend Developer
Grid Dynamics
Jun 2021 - Aug 2024 (3 years 2 months)
Led a cross-functional team of 5 to build a comprehensive UI library and update dependencies for a Fortune 500 client; optimized application load time from 10s to 2s and improved payment method processing handling 1M+ daily transactions.
Frontend Developer
Globus-IT
Sep 2020 - Jun 2021 (9 months)
Developed an internal admin panel for a major Russian bank serving 500+ daily users and contributed to a mobile investment app with 10K+ active users; implemented unit, e2e and integration tests achieving 85%+ coverage.
Frontend Developer
Chitai Gorod
Feb 2020 - Sep 2020 (7 months)
Implemented a new payment method and other frontend features using JavaScript and HTML; assisted in requirements gathering and contributed to successful delivery of product enhancements.
Web Developer
Rerise
Sep 2018 - Feb 2020 (1 year 5 months)
Managed end-to-end website development for clients from requirements clarification to delivery using JavaScript, SCSS and WordPress technologies.
Education
Degrees, certifications, and relevant coursework
Kirill hasn't added their education
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Availability
Location
Authorized to work in
Website
holakirr.comJob categories
Skills
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