gromov

Built and published two iOS applications on the App Store, covering the full product lifecycle from idea and product design to iOS development, backend implementation, App Store review, user testing, and marketing. Developed GymGuruAI, an AI-powered fitness progress app with photo analysis, future physique generation, habit tracking, and a custom Node.js/TypeScript backend. Also built Gradium, a minimalist workout diary with SwiftUI, SwiftData, and rank-based muscle progression.

Crypto hedge fund and DeFi protocol focused on delta-neutral yield strategies across Ethereum. Built DeFi strategy infrastructure, including Solidity contracts, NestJS/Rust trading bots, protocol integrations, mathematical modeling, testing, and production monitoring. Worked on DEX-to-perp, RFQ-to-perp, OTC arbitrage, Uniswap market-making, and LayerZero-based stablecoin infrastructure. Mentored an engineering intern.

Worked on an AI-powered tourism iOS app as part of an on-site Yandex Summer School project. Collaborated in a 20-person cross-functional team and contributed to building an MVP for testing a tourism product hypothesis. Developed SwiftUI features, contributed to the networking/API layer, helped coordinate iOS team tasks, and presented the final project on behalf of the team.