Lead Frontend Engineer — Moscow, Russia

• Phone: +7 925 834 55 30
• Email: strange.mole@gmail.com
• LinkedIn: ivan-hilkov-a1022154
• GitHub: ivan-hilckov
• Telegram: @mrbzzz

Results-driven Lead Frontend Engineer with 17+ years of experience delivering scalable React/Next.js applications and data-intensive web solutions for streaming and geospatial domains. Proven track record in team leadership (up to 8 engineers), performance optimization, and end-to-end product delivery from MVP to production scale. Specialized expertise in video streaming platforms and geospatial applications with demonstrated success in reducing system latency by 40% and improving release stability by 80%. Strong background in building high-performance teams, implementing robust CI/CD processes, and driving technical architecture decisions for product-focused startups leveraging AI technologies.

• Performance Optimization: Reduced API latency by 40% handling 700,000 requests per second during peak traffic events at leading video streaming platform
• Rapid Delivery: Delivered geospatial platform MVP in 3 months, securing 1st place at Gazprom "Unmanned Biathlon" and 10+ enterprise contracts worth $1M+ annually
• Technical Innovation: Implemented resumable uploads up to 100 GB with pause/resume support using tus.io protocol
• Team Leadership: Successfully led cross-functional teams of up to 8 engineers with structured mentoring and career progression programs

AI-powered Telegram bot platform startup

• Achieved rapid domain expertise in Telegram Bot API and LLM integration, building 4 AI-powered bot prototypes in 2 months
• Successfully integrated multiple LLM providers (GPT, Perplexity, Claude) demonstrating ability to quickly master emerging AI technologies
• Built comprehensive suite: echo bot (hello-bot), GPT-powered Q&A bot (hello-ai-bot), English writing assistant (english-teacher-bot)
• Developed shared runtime and orchestration platform (botgarden-core) with automated deployment via GitHub Actions
• Integrated WATA.pro payment system and established CI/CD pipeline for rapid iteration and deployment

Leading Russian video streaming platform serving 5M+ users with Smart TV and web content delivery

• Optimized application performance to handle 700,000 requests per second during peak traffic events, reducing API P95 latency by 40% through query pattern optimization and caching strategies
• Built and shipped Next.js features including "Movies on TV" and "TV Series" sections with integrated player and TV channel storefront
• Developed TV programming section with schedules and catch-up TV functionality, improving user engagement and content discovery
• Refactored monolithic payment system into modular Redux components, reducing codebase by 50% and improving maintainability for subscription workflows
• Implemented custom A/B testing library reducing experiment development time by 30%, enabling faster iteration on user experience improvements
• Led and mentored team of 4 frontend engineers, establishing technical standards and conducting architecture reviews

Online cinema platform

• Enhanced video player capabilities with advanced ad SDK integrations (Yandex Ads, VK Ads) via MRAID protocol
• Upgraded ad serving infrastructure from VAST 2.0 to VAST 4.0 standard, improving ad delivery reliability and performance
• Developed React Native mobile application with cross-platform Android/iOS support
• Optimized mobile user experience through responsive design adaptations and performance improvements

Geospatial software startup specializing in drone mapping solutions for enterprise clients

• Architected and developed comprehensive web-GIS platform using React, Redux-Saga, and advanced mapping technologies (Mapbox, Cesium, Potree), establishing market position as most accurate measurement solution in geospatial industry
• Delivered platform MVP in 3 months securing 1st place at Gazprom "Unmanned Biathlon" with ±0.02 m³ accuracy, leading to 10+ enterprise contracts worth $1M+ annually
• Implemented advanced technical features: resumable uploads up to 100 GB via tus.io, 360° panorama visualization, point cloud processing (10M+ datasets with 60fps WebGL rendering)
• Created reusable UI component library with 50+ components and React Cosmos playground, reducing development time across multiple projects
• Led cross-functional team of 8 engineers (4 frontend, 2 backend, 1 QA, 1 Documentation Writer) implementing Agile methodologies with weekly 1:1s and structured career progression
• Established comprehensive QA automation framework with 800+ Selenium E2E tests, improving release stability by 80% and enabling continuous deployment
• Implemented internationalization (i18next) supporting English and German markets with comprehensive technical documentation platform

Focused on React ecosystem mastery and modern frontend architecture transition

• Liga Stavok (Sep 2015 — Jan 2016): Built scalable UI/UX library with 40+ React components and Redux state management
• OneTwoTrip (May 2015 — Sep 2015): Developed payment systems and optimized search functionality with significant performance improvements
• Ivideon (Sep 2016 — Apr 2017): Extended video surveillance platform with custom timeline components and mobile adaptations
• Transitioned expertise from jQuery/BackboneJS to modern React ecosystem, developing deep knowledge in Redux architecture and component design patterns

Satellite imagery and geospatial data provider serving government and commercial sectors

• Designed and delivered comprehensive "Satellite Imagery Archive" SPA using BackboneJS, Leaflet, and Bootstrap with dynamic search capabilities
• Implemented polygon drawing tools, WMS cadastral data integration, and virtualized table scrolling for large datasets
• Built cart and account management system for satellite imagery ordering and download workflows
• Led migration from ExtJS to BackboneJS with full REST API integration and white-label theming capabilities
• Initiated regression testing program, establishing QA processes and hiring first dedicated testing specialist

Programming Languages: TypeScript, JavaScript, Python
Frontend Technologies: React (18), Next.js, Redux, Redux-Saga, React Native, HTML5, CSS3, TailwindCSS, WebGL
Backend Technologies: Node.js, FastAPI, Flask, Express
Databases & Caching: PostgreSQL, Redis
DevOps & Testing: Docker, GitHub Actions, GitLab CI/CD, Cypress, Jest, Selenium, E2E testing
Specialized Domains: Geospatial (CesiumJS, Mapbox GL JS, Leaflet, Potree), Media Streaming (FFmpeg, HLS/DASH), AI/ML APIs (GPT, Claude, Perplexity)
Cloud & Monitoring: Docker containerization, Grafana analytics, Sentry error tracking, automated deployment pipelines

• Team Leadership & Cross-functional Collaboration (up to 8 engineers)
• Technical Architecture & System Design
• Performance Optimization & Database Scaling
• Agile/Scrum Methodologies & Sprint Planning
• Mentoring & Knowledge Transfer Programs
• A/B Testing & Data-driven Decision Making

Bachelor of Science in Theoretical Physics
Kuban State University — Graduated 2010
Relevant Coursework: Advanced Mathematics, Statistical Mechanics, Computational Physics programming, Mathematical modeling, Statistical analysis, and Algorithm development

• Geospatial Platform Demo: YouTube Showcase
• Bot Garden Projects: hello-bot | hello-ai-bot | english-teacher-bot

• Availability: Immediate availability for Lead Frontend Engineer roles at product-focused startups
• Work Preferences: Remote-first, open to hybrid arrangements and international contracts
• Target Industries: AI-powered development platforms, streaming media, geospatial technologies

CV.pdf • Full CV.pdf