JENITH SHARMA — Senior Smart Contract & Blockchain Engineer

Expertise in Smart Contract (3.5 yr.), Blockchain and Cryptography (3.5 yr.).

Last verified on May, 2026

Core Skills

Hardhat

2 yr.

Foundry

2 yr.

Bio Summary

Senior Smart Contract Engineer with 3+ years shipping DeFi, NFT, and ICO/TGE platforms across Ethereum, Polygon, BSC, and Base. Expert in Solidity, Hardhat, Foundry, ethers.js, and Viem — 200,000+ users served, 95%+ test coverage, zero critical vulnerabilities.

Solidity, Ethers.js, Viem, Hardhat, Foundry, Slither, OpenZeppelin, UUPS Proxy, ERC-20/721/1155, Chainlink, ECDSA, Node.js, TypeScript, React.js, The Graph, AWS, Git, Ethereum, Polygon, BSC, Base

Technical Skills

Programming Languages	Solidity, TypeScript
JavaScript Frameworks	Node.js
Blockchain and Decentralized Software	Foundry, Hardhat

Work Experience

Lead Blockchain & Backend Engineer - Idea Usher (Veelive Metaverse Platform)

Duration: Apr 2024 – Present
Summary: Veelive is a live metaverse land trading platform on Ethereum, utilizing nestable and rentable NFT standards (ERC-7401 and ERC-4907) to enable virtual property transactions and a multi-token ERC-20 economy for scalable and auditable land asset management.
Responsibilities:

Led blockchain and backend architecture for the platform.
Architected a multi-token ERC-20 economy with 4 token classes per property category.
Reduced gas costs by 15-20% using custom error patterns, storage packing, and UUPS upgradeable proxies.
Built and maintained a decentralized sports prediction market processing 250 transactions per block.
Oversaw delivery of Zappling NFT Marketplace with fractional ownership, QR-verified event ticketing, P2P swapping, and royalty distribution.
Engineered a custodial wallet abstraction to reduce onboarding friction for non-crypto users.
Led and mentored a team of 4 engineers on smart contract architecture, security auditing, and Ethereum standards.

Technologies: Solidity, ERC-7401, ERC-4907, ERC-20, UUPS Proxy, OpenZeppelin, Ethers.js, Node.js, TypeScript, Next.js, Firebase, Chainlink, Hardhat

Freelance Blockchain Developer - Independent / Contract (NFT Marketplaces and ICO/TGE Platforms)

Duration: Jun 2023 – Mar 2024
Summary: Developed and deployed multiple NFT marketplaces and ICO/TGE platforms across Ethereum and BSC networks, focusing on minting, bidding, P2P swapping, auctions, and secure token generation events with multi-tier vesting schedules.
Responsibilities:

Led end-to-end development of 2 production NFT marketplaces including Salva NFT.
Audited and deployed Solidity smart contracts for ICO/TGE with multi-tier vesting.
Executed architecture, contract development, security review, and QA for 3+ client Web3 platforms.

Technologies: Solidity, Ethereum, BSC, AWS, Smart Contract Auditing, NFT Standards, ICO/TGE, Vesting Contracts

Associate Blockchain Developer - Rapid Innovation (DeFi and NFT Marketplace Projects including WinWinFinance and SLABS NFT Marketplace)

Duration: Mar 2022 – Mar 2023
Summary: Contributed to multiple DeFi and NFT marketplace projects on Ethereum, Polygon, and BSC, including a token staking and prize-pool lottery platform and a gasless NFT marketplace with multi-standard NFT support and on-chain royalties.
Responsibilities:

Owned smart contract design, development, security auditing, and testing.
Launched WinWinFinance staking and prize-pool lottery platform with proprietary ticket-generation algorithm.
Shipped SLABS NFT Marketplace with gasless meta-transactions and multi-standard NFT support.
Deployed a GraphQL subgraph to reduce on-chain data retrieval time by 60%.
Achieved 95%+ test coverage using Hardhat and Foundry test suites.

Technologies: Solidity, Hardhat, Foundry, The Graph, GraphQL, EIP-712, EIP-2771, EIP-2981, ERC-721, ERC-1155, ERC-998, Ethereum, Polygon, BSC

Education

Bachelor of Technology — Computer Science
JIET College of Engineering, Jodhpur, 70%
2017 – 2021

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