cryptomo

Full-Stack Monorepo Development: Engineered cross-chain blockchain infrastructure in a TypeScript/React monorepo supporting 15+ packages and applications, implementing unified SDK architecture for Issuer, Consumer, and Client services. Multi-Chain Signer Integration: Developed blockchain signer support for XRP Ledger (GemWallet/Xumm), Stellar (StellarKit), and Near Protocol (wallet-selector) using Go backend with Kwil decentralized database; implemented Ed25519, NEP-413, and XRPL signature verification. SDK Development and W3C Standards: Built three core SDK packages — Issuer SDK, Consumer SDK, and Client SDK — all supporting W3C Verifiable Credentials standard and end-to-end encryption protocols. Financial On-Ramp Integration: Integrated KYC-verified credential sharing with fiat-to-crypto providers including Transak, Noah, and Hifi Finance via REST APIs, enabling automated customer onboarding workflows. Enterprise KYC and Compliance: Developed a secure credential passporting system for regulated entities (banks, fintech, insurance), implementing timelock mechanisms, access grants, and revocation capabilities for GDPR compliance.

Built React-based UI for a BNB chain marketing platform where promoters create campaigns and pay in stablecoin. Enabled influencer participation and stablecoin-to-native-token payout flows through seamless Web3 service integration.

Designed and implemented user interfaces for a Solana-based chat room application with key-based message access. Built intuitive UI for chat functionality and key management using React and Solana wallet integrations.

Implemented background removal and replacement features in a React-based AI image editing application. Integrated object manipulation tools enabling users to modify and customize photo elements. Optimized frontend performance for image processing workflows, improving responsiveness across devices.

Worked on Hord App, a high-performing Ethereum staking application with over $7M ETH staked, consistently ranking top 3 in APY among competitors. Created highly reusable useContractReader hook to simplify smart contract read/write interactions across the codebase. Built an atomic internal CSS framework covering approximately 70% of Tailwind CSS utility functionality. Contributed to a company-wide wallet connector monorepo using Lerna, supporting Metamask, WalletConnect, Ledger, and more. Implemented multi-chain support for Ethereum, Binance Smart Chain, and Arbitrum. Wrote unit and integration tests using Cypress covering the most critical UI components.

Developed a Campaign Management Tool (CMT) dashboard using React, TypeScript, and Chart.js. Built a Tableau report gallery with an interactive filter UI controller.

Built and delivered a full e-commerce platform from scratch for a startup that achieved over 1M SAR in sales within 7 months. Implemented performance optimizations including progressive image loading and code splitting.