Harshit Kumar S.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Sep 25, 2026.

About Me Are you looking for a seasoned blockchain developer to develop and implement your blockchain projects? Do you require assistance in starting a profitable crypto exchange platform, NFT marketplace, or any other blockchain solutions? Then, you have come to the right place! Hi, my name is Harshit and I am a skilled blockchain developer with 5+ years of experience. Over the years I have gained expertise in developing and implementing highly complex blockchain-based projects. I have a proven track record of success with blockchain-related technologies and solutions, including smart contracts, NFTs, Web3, Solidity, and more. I've built a systematic approach to creating reliable, effective, and reliable blockchain software. I am a suitable collaborator to assist you to launch your blockchain application with the least amount of friction feasible by utilizing our internal development process and knowledge, which was acquired by working directly with various high-profile blockchain projects. Areas of Expertise Custom blockchain integration and development Smart contract design, development, and optimization Cryptocurrency development Centralized, decentralized, and hybrid crypto exchange development Crypto derivatives exchange development One-page exchange development STO development (equity, asset-backed, and debt token development) ICO development Crypto wallet development (Telegram, Parity, Mist, Metamask, and MyEtherWallet) Proof of Concept (PoC) development NFT development (launchpad, staking, biding, liquidity, gaming, and metaverse NFTs) Metaverse development DeFi solutions (staking, lending, borrowing, and insurance platforms) Web3 solutions Tech Stack NFT launches & offerings NFT utilities & ecosystems: Staking, Breeding, Rarity, etc. Metaverse Decentralized finance: Flash Loans, Lending/Borrowing, OHM fork, DEX, and more Consensus Mechanism: Proof-of-Work (PoW), Proof-of-Stake (PoS), Delegated PoS (DPoS), and more Token standards: ERC-20, ERC-223, ERC-721, BEP-721, ERC-1155, TRC, and more) Blockchain-based platforms: Ethereum, Hyperledger, Solana, Tron, Avalanche, Polkadot, Polygon, Bitcoin, and more Languages: Rust, Python, Java, Solidity, Vyper, C++, JavaScript, React JS, React Native, Elixir, Golang, etc. If you require assistance developing your Blockchain project, then contact me right away to avail yourself of the services.