Providing AI architecture guidance, technical audits, and advisory services to startups and product teams. Helping engineering leads adopt AI tooling and vibe coding workflows.

• Led a team of 5 developers: decomposed product requirements, ran demos with clients, coordinated with product managers and cross-functional teams
• Collaborated across two development teams (10+ engineers total), influencing architecture, performance, and developer productivity
• Acted as a bridge between business and engineering (translated client needs into technical decisions and communicated progress to stakeholders)
• Reduced full page load time from 60s to under 5s — identified the bottleneck, proposed the solution, and shipped it; directly improved experience for 1000+ enterprise customers
• Shared domain knowledge across teams, onboarding adjacent developers to project context and architecture

Key contributor to data and reporting platform adopted by ~1000 enterprise customers, including global corporations, public sector institutions, transportation networks, and industrial clients.

• Core developer contributing to successful acquisition by DMI
• Built scalable reporting tooling across multi-tenant platform
• Migrated system to modern design system → 30%+ faster delivery
• Architected REST → GraphQL migration, increasing adoption 60%

• Maintained dashboard infrastructure serving 189M monthly page views and 19M unique visitors
• Delivered unified theming system enabling rapid visual customization across 24 regional news portals through CSS variables architecture
• Reduced CSS codebase by 17% by developing reusable theming architecture

• Significantly improved application performance through microservices architecture implementation
• Enhanced development productivity by establishing modern development practices and architecture
• Mentored development team through early transition from monolithic to microservices architecture

Built scalable architecture for high-traffic Vietnamese market application. Improved user engagement through A/B testing and mobile optimization.

Delivered complete React.js product refactoring under tight deadline, contributing to successful Samsung acquisition.

Started as a webmaster and grew into a full-stack freelance developer. Built websites from scratch using CodeIgniter, MODx, WordPress; created custom themes and contributed to the Russian-speaking WordPress community as a moderator.