Sahibzada Ajit Singh Nagar, Punjab, India
$8/hr · Starting at $25
I'm a full stack web developer with over 6+ years of experience and have got expertise in: - PHP | LAMP development, I'm a very good team player and like to solve problem quickly. Prompt reply and qu…
Port Coquitlam, British Columbia, Canada
Past Earnings
$40/hr · Starting at $5,000
- Cryptocurrency Exchange Site (based on ETH, BTC, NEO) - ICO (Ethereum, Waves) - ERC20-23, Solidity, Smart Contract, Web3, Truffle - Cryptocurrency (Bitcoin, Ethereum, NXT, Vertcoin, NEO, Monero, ...…
Krivoy Roh, Dnipropetrovs'ka Oblast', Ukraine
$39/hr · Starting at $350
Are you looking to create your first NFT? Or you want to create your custom NFT Marketplace? I can do the following: - publish a NFT on OpenSea: 1-3 days (depending on file); $350.00 for NFT - publish…
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…
Livenka, Singapore, Singapore
$50/hr · Starting at $30
- Develop smart contracts in Solidity and Rust. - Develop RPC using client libraries such as Web3js. - Static analysis of smart contracts for gas consumption and optimization using Remix IDE. - Develo…
Guangzhou, Guangdong, China
$20/hr · Starting at $1,000
Rich experience in blockchain development and security protection and the charges are reasonable. We have cooperated with famous exchanges, wallets, public chains, games, and other customers. Looking
Karachi, Sindh, Pakistan
$30/hr · Starting at $100
am Muhammad Zaid and I am Full Stack Blockchain Developer. I have 2+ years of experience in this field. I will create Solidity smart contracts or ERC20 tokens on Ethereum blockchain based on client re…
Berlin, Berlin, Germany
$10/hr · Starting at $50
I can provide Quality solutions in bitcoins, blockchain development, ICO launches and cryptocurrency development. Why choose me ? What i can do : Blockchain Consulting - PoC development - Private…
Austin, Texas, United States
$35/hr · Starting at $4,000
Looking for a Mobile or Web Developer? I look forward to hear from you. I'm sure a great partnership can bring out the best products. Reach out to me if you are looking for engineering solutions. • Ov…
Herceg Novi, Montenegro, Montenegro
ID Verified
$30/hr · Starting at $25
I'm Full Stack Java/Javascript developer having knowledge and expertise in Java, Angular, Ionic, Vue.js, Spring Framework. My specializations are Angular/Vue.js based single-page applications (SPA) an…
Ahmedabad, Gujarat, India
$20/hr · Starting at $10,999
Cryptocurrency Exchange Developer I'm certified Blockchain developer having 4+ years sole experience of developing Web and mobile apps. I'm expert in developing customized blockchain software solution…
Fushun, Liaoning, China
$25/hr · Starting at $500
Hello, I can build of fashion and clothing e-commerce website and consultant website development work. In these skills I have much experience of it and I will provide the best quality for my clients.…
Dehradun, Uttarakhand, India
$10/hr · Starting at $25
With over 4 years of experience , I am the PERFECT contractor for your project. I specialise in building high quality mobile apps for small to medium businesses. Whether the purpose is building an e-…
liaquatabad, Sindh, Pakistan
$20/hr · Starting at $25
Hello, Are you interested in creating your own custom private/permissioned Blockchain network with custom business logic suited to your business needs? if yes, you are at the right place The network c…
Surat, Gujarat, India
$15/hr · Starting at $30
Blockchain / Ethereum / Smart Contract / ERC20 / Solidity My experiences range from building IoT, BlockChain, Business Applications, Mobile applications, responsive mobile sites that work and We also
Hyderabad, Telangana, India
I deal in the fields of writing. I do articles and blogs but am mostly dedicated to fiction writing. I am also interested in content writing, editing, and proofreading. I am also experienced in data e…
Barcelona, Catalonia, Spain
$50/hr · Starting at $500
I am a senior Unity C# programmer and developer, based in Barcelona, with more than 6 years experience in Unity, and solid knowledge about multiplayer, FPS, RPG, AI, and more. I have good knowledge of…
Toronto, Ontario, Canada
$30/hr · Starting at $60
As a senior blockchain developer, I have rich and strong experience in build NFT minting & staking & marketplace with React.js & Node.js for frontend and backend and smart contract on multiple chains…
Ouistreham, Nord-Pas-de-Calais, France
$25/hr · Starting at $1,000
- Skillful with Blockchain Architecture - Working on the famous chain like Ethereum, BSC, Polygon, Tron, XRP, Fantom, ... - Developing Dapp with React.js, Vue.js, React Native - NFT Development(from A…
Washington Dc, Washington, United States
$40/hr · Starting at $800
I WILL DEVELOP BITCOIN FLASHING SOFTWARE/ USDT FLASING/ SOFTWARE FLASHING WITH MY NEW BITCOIN FLASHING SOFTWARE VERSION If you don't have a hash rate, bitcoins can only be kept in your wallet for a ma…