Евгений Гераськин
@0003395
I build high-load web platforms, modernize frontend architecture, and improve performance, SEO, and conversion.
SerbiaWhat I'm looking for
At Quintegro, I lead full-stack and frontend work for an international health and wellness e-commerce brand, migrating a monolithic Vue.js store to Next.js, React, and TypeScript. I designed SSR/SSG architecture that reduced LCP by 40% and improved checkout conversion.
I build performance-focused interfaces for heavy traffic, using bundle splitting, asset optimization, caching, GraphQL cache normalization, and Optimistic UI. My work has brought Lighthouse performance above 95, reduced redundant requests by 60%, and virtually eliminated CLS.
Previously, at Za Rulem and KP-IT, I modernized high-load media platforms serving millions of users, moving legacy systems to React and TypeScript with SSR and ISR. I established component systems, SEO infrastructure, ADRs, CI/CD quality checks, and engineering standards that reduced maintenance costs, regressions, and feature delivery time.
I've also built editorial CMS tools, advertising and email-marketing integrations, and cross-browser interfaces for LiveJournal and Nokia campaigns. I use AI-assisted workflows, including Cursor, Claude API, multi-agent workflows, and spec-driven development, to accelerate delivery while maintaining architectural discipline.
Experience
Work history, roles, and key accomplishments
Full-Stack / Senior Frontend Engineer
Quintegro LLC
Feb 2023 - Present (3 years 7 months)
Integrated AI-assisted workflows and led architectural refactoring of an international e-commerce platform, reducing LCP by 40% and increasing conversion rates. Engineered growth mechanisms and optimized data fetching, cutting redundant network requests by 60%.
Lead / Principal Frontend Architect
Za Rulem
Mar 2017 - Feb 2023 (5 years 11 months)
Led architectural consolidation of a high-load media platform, migrating from Google Closure to React/TypeScript with SSR, reducing infrastructure costs by 35%. Standardized UI components and engineered SEO infrastructure, increasing content indexing by 25%.
Software Development Engineer / Tech Lead
KP-IT
Jul 2016 - Feb 2023 (6 years 7 months)
Directed engineering of a core SPA platform for a major media portal, unifying satellite services onto a single stack and reducing TCO by 40%. Built a custom CMS and monetization infrastructure, increasing ad viewability by 25%.
Lead Front-end Developer
Rambler&Co (LiveJournal.com)
Nov 2011 - Jul 2016 (4 years 8 months)
Developed and maintained user interfaces for a high-load blogging platform with 50M+ MAU. Initiated AngularJS adoption and designed modular CSS architecture, cutting CSS bundle sizes by 35%.
Frontend Developer / Web Developer
Actis Wunderman
Nov 2010 - Nov 2011 (1 year)
Developed and adapted web interfaces for international marketing campaigns for Nokia, performing multi-regional adaptive layouts across 50+ locales. Built complex email templates and ensured cross-browser compatibility.
Junior / Middle HTML & Frontend Developer
Maniaco
Apr 2009 - Nov 2010 (1 year 7 months)
Developed client web interfaces, landing pages, and promo sites for SMB clients. Executed cross-browser layout slicing and integrated frontend templates with CMS platforms.
Education
Degrees, certifications, and relevant coursework
Moscow State University of Instrument Engineering and Computer Science
Master's / Engineer's Degree, Information Systems and Networks
Earned a Master's / Engineer's Degree in Information Systems and Networks in 2008.
Tech stack
Software and tools used professionally
Availability
Location
SerbiaAuthorized to work in
Skills
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