Lead Frontend Engineer

Led frontend architecture across 10 production applications and 8 shared packages. Managed team of 4 engineers. Built design system (reusable components) and delivered compliant subscription flows for multiple insurance providers. Shipped React Native mobile app.

Full Stack Developer (Freelance)

Built a SaaS fleet management and booking platform from scratch with role-based access control (admin, boat_manager, boat_captain, boat_owner), invitation system, and event calendar with day/week/month views.

Full Stack Developer

Built Web3 DeFi platform for tokenized Bitcoin mining investments. Developed ERC-721 NFT smart contracts, staking pools with BTC rewards, and multi-payment support (ETH, stablecoins, fiat).

Full Stack Developer

Built end-to-end React/Node platform with back-office CMS. Designed MongoDB schema and REST APIs, delivering features from database to production UI.

Full Stack Developer (Volunteer)

Built humanitarian logistics platform coordinating donation collection and transport to Ukraine border during active crisis response.

Full Stack Developer

Developed React applications and Node APIs powering influencer marketing campaigns for major brands. Owned full stack delivery in fast-paced agency environment.