Abhishek
Singh

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About me

Full-stack Web3 and Blockchain Engineer with 3 years of hands-on experience designing, securing, and deploying decentralized applications and core financial infrastructure. I specialize in bridging traditional infrastructure with advanced crypto protocols. Whether you need custom EVM-compatible smart contracts, integration with instant non-custodial cross-chain swap APIs (like ChangeNOW or 1inch), or robust dApp architecture, I deliver clean, gas-optimized, and production-ready code.

Work experience

Freelance Blockchain Developer

June 2023 – Current time

Job title

Full-Stack & Web3 Developer⁠

Work experience & achievements

Focused primarily on building full-stack web applications and custom decentralized applications (dApps) from the ground up for clients across EVM-compatible ecosystems. My core stack centers on Next.js, TypeScript, Node.js, and PostgreSQL for scalable web architecture, combined with Solidity for secure smart contract engineering. I have hands-on experience integrating multi-chain wallet authentication (MetaMask, WalletConnect), building custom trustless escrow payment workflows, and deploying decentralized protocols. Additionally, I have engineered protocol-level infrastructure, including building a custom Layer 1 blockchain project (Decentraconnect, https://github.com/Decentraconnect), which deepened my expertise in consensus mechanisms, validator architecture, and low-level blockchain mechanics.