Krasnodar, Krasnodar, Russian Federation
$50/hr · Starting at $150
Hello! I am new on upwork , but I have rich experience in blockchain software fields. My Skills fields 1. erc20/bep20, erc721/bep721, erc1155 smart contract etc 2. web3.js, node.js, react.js 3. integ…
Faisalbad, Punjab, Pakistan
$20/hr · Starting at $50
I am a freelance blockchain developer specializing in Solidity, with a passion for decentralized applications (dApps) and smart contract development. My expertise lies in crafting secure and efficient…
Plano, Texas, United States
$50/hr · Starting at $200
I have extensive experience with blockchain technologies such as Bitcoin, Ethereum, Solana, ICP etc. As an experienced Blockchain Developer, I have tons of experience front-end and back-end developmen…
Sydney, New South Wales, Australia
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As a skilled blockchain developer I can provide you to write smart contract in EVM, Solana, Aptos and Cosmos chains. I have built several Dapps and Defi like NFT marketplace, Dex, Token launchpad, Cas…
Beograde, Serbia, Serbia
$25/hr · Starting at $1,500
To secure a challenging position as a Senior Blockchain Developer, leveraging 5+ years of experience in blockchain technologies, including developing and deploying 100+ smart contracts and DApps. Aim
Dubai, Dubai, United Arab Emirates
$5/hr · Starting at $25
Full stack web developer using NodeJs, ExpressJs, MongoDb, React/NextJs and Redux Developing web3 app and blockchain smart contract using Solidity and deploying using Hardhat framework Analysis data a…
East Rochester, New York, United States
$30/hr · Starting at $500
- 4+ years of experience in developing smart contracts using Solidity and Cadence. - Experience in DAPP development and interact with EVM/Solana/Flow/Stacks blockchain platform - Coursework includes…
Chandigarh, Chandigarh, India
$10/hr · Starting at $100
My name is Pankaj Kumar and I bring with me a vast array of skills comprising an experience of over 8 years in Web Development and 2 Years of Web3 and Solidity. My field of expertise include: Blockcha…
ikeja, Lagos, Nigeria
$50/hr · Starting at $5,000
I would like to help you for your blockchain project with some of my below expertise services. Smart Contracts development using Solidity Web3 integration Unit testing and testing using testnets such
Novoiavorivsk, L'vivs'ka Oblast', Ukraine
$40/hr · Starting at $250
Hello, there! As a senior full stack web developer, I have rich experience in websites development. I have been working for over 5 years in development field. My favorite skill is React(JavaScript and…
Comox, British Columbia, Canada
$20/hr · Starting at $60
Hello I am a senior blockchain developer with proficiency in NFT marketplace, Smart Contract development, ICO& IDO, Smart Contract Audits, DeFi/DApp development. I am well-versed in the following serv…
Beograd, Serbia, Serbia
$50/hr · Starting at $500
Web developer focussed on Blockchain and Crypto-related projects, Crypto Gambling and Betting platforms, Trading Platforms and Exchanges, crypto lending and payment solutions. Last 5 years I have work…
Sargodha, Punjab, Pakistan
With 7 years of experiences and skills in blockchain and cryptocurrency technology > ICO web development > Smart Contract Development > High-level understanding of how Blockchains work, especially
Isla, Veracruz-Llave, Mexico
$40/hr · Starting at $500
I am a Core blockchain developer (3 Yrs Exp.) , mostly responsible for developing the architecture of a blockchain system, how its protocols should be designed, the design of consensus protocol and ot…
Faisalabad, Punjab, Pakistan
$20/hr · Starting at $30
Blockchain Smart Contract Developer Hello There! I am a blockchain smart contract and DApp developer having 1 year of experience You are at Best Place for Blockchain Smart contract and DApp Developmen…
Odesa, Odes'ka Oblast', Ukraine
Past Earnings
$30/hr · Starting at $25
Key Skills Ethereum, Solidity, Web3.js, dApp, Rust, Solana, DEX ✌ Communication Approach I prioritize effective communication and collaboration in all my projects. Whether it's discussing project
$50/hr · Starting at $1,000
You are welcome! I am a full-stack & blockchain developer with 8 years experience in IT industry and 2+ years in web3 engineering. As a full stack developer, I've worked in several companies. I am exc…
Bolhrad, Odes'ka Oblast', Ukraine
$30/hr · Starting at $100
Dear Sir. I have full experience and knowledge in blockchain ecosystem, based on crypto knowledge, web and mobile development. For over 5 years, I've been developing some projects like Defi, NFT and t…
Alaminos, Laguna, Philippines
Passionate Full-stack engineer with over 3+ years' experience in software development with Blockchain experience. Proficient in various platforms, languages, and embedded systems. Experienced with th…
Umka, Central Serbia, Serbia
I develop secure and scalable blockchain solutions, including dApps, DeFi applications, NFT marketplaces, and DAO governance tools. Smart contract security and gas optimization are key priorities in m…