Amur

Lead Fullstack Engineer

• Joined as extension developer, transitioned to lead the mobile wallet app — a live financial product holding real user funds, where correctness and uptime are non-negotiable.
• Built Ctrl Wallet from scratch: transaction signing, nonce management, fee calculation, wallet controls, key management; built a native Swift/Kotlin bridge for TrustWallet's WalletCore library.
• Integrated WalletConnect (Reown) and wagmi in production; TanStack Query for data fetching; Realm for offline-first persistence. Shipped to App Store & Google Play via Expo + CI/CD.
• Built the cross-chain DEX end-to-end — integrated OpenOcean and Li.Fi aggregators; queried The Graph subgraphs client-side for real-time on-chain data.
• EVM transaction lifecycle (signing, gas, nonce, failure modes); multi-hop swap contracts; comfortable reading Solidity to understand data and interactions.

Senior Frontend Developer

• IoT marketplace platform — migrated legacy SSR to hybrid CSR/SSR with Next.js.
• Rewrote backend services from PHP/Symfony 3 to Node.js.

Lead Fullstack Developer

• DeFi tools on Ethereum and EOS — custom smart contracts, multi-wallet support, i18n.

HeyChar

AI character chat platform with multi-model support (OpenAI, Fireworks). Real-time conversational AI with auth, persistent chat history, and streaming responses.

Proppika

AI-powered property search and analysis platform. Natural language property queries with intelligent matching and recommendation engine.

Perdict

Full-stack prediction platform with cross-platform support. Monorepo architecture with type-safe APIs and real-time data.

Bitstamp Orderbook

Real-time cryptocurrency orderbook with live WebSocket streaming, depth visualization, and trade history.

Halalivery

Full delivery platform — three React Native apps (driver, vendor, ordering) shipped as a complete product suite.

Watson Mobile

Polished mobile application built with Ignite CLI boilerplate and reactive state management.