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I am an experienced Full Stack Blockchain Engineer with over 4 years of expertise in building secure, production-grade systems within crypto and fintech environments. Skilled in wallet integrations, cross-chain bridging, stablecoin payments, and programmable flows, I am proficient in modern TypeScript, Node.js, NestJS, and EVM-based smart contract interactions. I collaborate effectively with frontend, backend, and smart contract teams to deliver seamless, scalable financial services. I have led smart contract architecture and Web3 integrations for key projects including D5ART, RWT, Arbi-AI, and Skilleareum, managing a team of 5 developers. I have delivered multiple major multi-chain projects rapidly, integrated governance protocols, wallet authentication, and optimized contracts to reduce gas costs by 30%. I am committed to developing secure NFT smart contracts and scalable DApps using modern blockchain tools and technologies.…I am an experienced Full Stack Blockchain Engineer with over 4 years of expertise in building secure, production-grade systems within crypto and fintech environments. Skilled in wallet integrations, cross-chain bridging, stablecoin payments, and programmable flows, I am proficient in modern TypeScript, Node.js, NestJS, and EVM-based smart contract interactions. I collaborate effectively with frontend, backend, and smart contract teams to deliver seamless, scalable financial services. I have led smart contract architecture and Web3 integrations for key projects including D5ART, RWT, Arbi-AI, and Skilleareum, managing a team of 5 developers. I have delivered multiple major multi-chain projects rapidly, integrated governance protocols, wallet authentication, and optimized contracts to reduce gas costs by 30%. I am committed to developing secure NFT smart contracts and scalable DApps using modern blockchain tools and technologies.

Dinesh Kumar

Blockchain Developer, Full Stack Developer, Web Developer, +2

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I am an experienced Full Stack Blockchain Engineer with over 4 years of expertise in building secure, production-grade systems within crypto and fintech environments. Skilled in wallet integrations, cross-chain bridging, stablecoin payments, and programmable flows, I am proficient in modern TypeScript, Node.js, NestJS, and EVM-based smart contract interactions. I collaborate effectively with frontend, backend, and smart contract teams to deliver seamless, scalable financial services. I have led smart contract architecture and Web3 integrations for key projects including D5ART, RWT, Arbi-AI, and Skilleareum, managing a team of 5 developers. I have delivered multiple major multi-chain projects rapidly, integrated governance protocols, wallet authentication, and optimized contracts to reduce gas costs by 30%. I am committed to developing secure NFT smart contracts and scalable DApps using modern blockchain tools and technologies.…I am an experienced Full Stack Blockchain Engineer with over 4 years of expertise in building secure, production-grade systems within crypto and fintech environments. Skilled in wallet integrations, cross-chain bridging, stablecoin payments, and programmable flows, I am proficient in modern TypeScript, Node.js, NestJS, and EVM-based smart contract interactions. I collaborate effectively with frontend, backend, and smart contract teams to deliver seamless, scalable financial services. I have led smart contract architecture and Web3 integrations for key projects including D5ART, RWT, Arbi-AI, and Skilleareum, managing a team of 5 developers. I have delivered multiple major multi-chain projects rapidly, integrated governance protocols, wallet authentication, and optimized contracts to reduce gas costs by 30%. I am committed to developing secure NFT smart contracts and scalable DApps using modern blockchain tools and technologies.

Available to hire

I am an experienced Full Stack Blockchain Engineer with over 4 years of expertise in building secure, production-grade systems within crypto and fintech environments. Skilled in wallet integrations, cross-chain bridging, stablecoin payments, and programmable flows, I am proficient in modern TypeScript, Node.js, NestJS, and EVM-based smart contract interactions. I collaborate effectively with frontend, backend, and smart contract teams to deliver seamless, scalable financial services.

I have led smart contract architecture and Web3 integrations for key projects including D5ART, RWT, Arbi-AI, and Skilleareum, managing a team of 5 developers. I have delivered multiple major multi-chain projects rapidly, integrated governance protocols, wallet authentication, and optimized contracts to reduce gas costs by 30%. I am committed to developing secure NFT smart contracts and scalable DApps using modern blockchain tools and technologies.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Beginner

Language

English

Fluent

Tamil

Fluent

Work Experience

Lead Blockchain Developer at FAB CLLC

July 1, 2023 - Present

Led a team of 5 developers delivering 3 major multi-chain projects in 6 months. Delivered smart contract architecture and Web3 integration for key projects including D5ART (skill tokenization platform), RWT (real-world asset tokenization bridge), and Arbi-AI (AI-based flash loan and arbitrage platform). Integrated governance protocols, wallet authentication (WalletConnect, MetaMask, Ledger), and optimized contracts to reduce gas costs by 30%. Developed secure NFT smart contracts using OpenZeppelin standards. Built Proof of Concepts for NFT rental and staking marketplaces. Delivered scalable decentralized applications using Hardhat, IPFS, and The Graph. Integrated Chainlink Oracles for dynamic metadata.

Blockchain Developer at Wowlabz India

June 30, 2023 - August 6, 2025

Contributed to smart contracts for Beyond Life projects including Jump.trade (hit-to-earn cricket game), Amitabh NFTs, and Chakra NFTs. Enhanced play-to-earn mechanics, optimized minting logic, and implemented IPFS-based metadata hosting.

Blockchain Developer at Appstars-Guardian Link

September 1, 2022 - August 6, 2025

Built Arbi-AI, an AI-enhanced DeFi platform automating flash loan-based arbitrage across decentralized exchanges and aggregators. Developed smart contracts orchestrating atomic arbitrage using Aave flash loans. Integrated third-party SDKs for KYC and fiat on/off ramps. Developed real-time WebSocket-based listener engine for mempool scan. Employed AI logic to dynamically rank arbitrage opportunities by profitability and execution risk. Optimized trade routing and gas usage achieving up to 70% faster execution latency. Deployed on Arbitrum for lower fees and faster transaction finality. Audited using Tenderly and integrated multisig Safe for protocol-level fund management.

Lead Blockchain Developer at FAB C LLC

July 1, 2023 - Present

Led a team of 5 developers delivering 3 major multi-chain projects within 6 months. Directed smart contract architecture and Web3 integration for projects like D5ART (skill token platform), RWT (real-world asset tokenization bridge), Arbi-AI (AI-based flash loan and arbitrage platform), and Skilleareum (learn-to-earn reward platform). Integrated governance protocols, wallet authentication (WalletConnect, MetaMask, Ledger), and optimized contracts to reduce gas costs by 30%. Developed secure NFT smart contracts using OpenZeppelin and ERC standards, built PoCs for NFT rentals and staking marketplaces, and delivered scalable DApps using Hardhat, IPFS, and The Graph. Integrated Chainlink Oracles for dynamic metadata.

Blockchain Developer at Wowlabz

June 30, 2023 - August 6, 2025

Blockchain Developer at Appstars-Guardian Link

September 1, 2022 - August 6, 2025

Developed Arbi-AI, an AI-enhanced DeFi platform automating flash loan arbitrage across decentralized exchanges and aggregators. Built smart contracts orchestrating atomic arbitrage using Aave flash loans and integrated third-party SDKs for KYC and fiat on/off ramps. Developed a real-time WebSocket-based mempool scanning engine, employed AI to dynamically rank opportunities by profitability and execution risk, and optimized trade routing and gas usage to achieve up to 70% faster execution latency. Deployed on Arbitrum for lower fees and faster transaction finality. Audited with Tenderly and integrated multisig safe for protocol-level fund management.