Frontend Tech Lead at ShelterZoom

Led frontend engineering for a Cybersecurity / Document Intelligence SaaS. Built an LLM-powered code review assistant (Anthropic API embedded in GitHub Actions CI) that automated TypeScript interface validation across the monorepo, compressing feedback from 2–4 hours of manual review to under 5 minutes per PR. Optimized real-time collaboration performance for large enterprise documents using rendering virtualization and WebSocket state synchronization, achieving 5× throughput. Architected migration to a TurboRepo monorepo, consolidating web and mobile into shared packages and unifying TypeScript types, accelerating feature delivery and establishing a weekly release cadence. Grew the frontend team from 2 to 5 engineers, hiring 3 developers, introducing code-review standards and technical onboarding, reducing onboarding time by 40% and promoting a peer to senior within 12 months. Built an admin panel with role-based access and Stripe integration, reducing manual admin tasks by 30%. Le

Senior Frontend Developer at ShelterZoom

Refactored monolithic components into a reusable feature-based module system, boosting team development efficiency by 40%. Implemented real-time state synchronization between web and mobile clients to eliminate cross-platform conflicts and deliver a seamless cross-device experience. Engineered a browser extension for Gmail and Outlook inline-context smart contract creation, increasing content flow by 25%. Implemented fallback rendering strategies and cross-browser compatibility, reducing display-related incidents by 30%. Conducted performance audits across Next.js and TypeScript projects, reducing page load times by 35%.

Senior Frontend Developer at Sberbank (SberVmeste platform)

Delivered the SberVmeste banking application, including a donation calculator driving a 25% increase in first-time donors. Architected the frontend application structure and CI pipeline for a new product line, reducing engineer onboarding time by 40% and enabling a weekly release cadence. Migrated legacy frontend from Angular to React, refactoring 100+ components with zero production downtime. Mentored 3 mid-level engineers in React architecture and best practices, accelerating code review velocity by 2x and supporting one promotion to Senior within 12 months. Developed an internal payment system integrated directly into client dashboards, unifying payment workflows into a single interface.

Senior Frontend Developer at SberBank (SberVmest Platform)

Launched the SberVmest banking application, including a donation calculator, driving a 25% uplift in first-time donors. Architected frontend architecture and CI pipeline for a new product line, reducing onboarding time by 40% and enabling weekly release cadence. Migrated legacy frontend from Angular to React, refactoring 100+ components with zero production downtime. Mentored 3 mid-level developers, doubling code-review velocity, and promoting one to senior within 12 months. Delivered a customizable client management panel used by 50+ clients, reducing support requests by 70%.

Middle Frontend Developer at OpenText Cloudly (Backup Onta rio)

Migrated frontend to React 16 with server-side rendering (SSR), reducing time-to-interactive by 46% and improving organic SEO traffic by 32%. Built an interactive admin panel with automated content analysis, eliminating manual content management steps for platform administrators. Optimized the build pipeline with Rollup, reducing bundle size by 31% and accelerating development builds by 2.7x. Implemented feature-based module architecture, increasing feature development speed by 1.5x through clearer module boundaries and reduced code coupling. Integrated a suite of Salesforce products, improving customer onboarding and increasing customer acquisition by 32%.

Middle Frontend Developer at Open Text Cloud Ally Backup

Migrated frontend to React 16 with SSR, reducing time-to-interactive by 46% and boosting organic SEO by 32%. Optimized the build pipeline with Rollup, cutting bundle size by 31% and accelerating development builds by 2.7×. Implemented feature-based architecture and feature flags to speed up releases. Integrated Salesforce product suites, improving client onboarding and customer acquisition by 32%.