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…
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…
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…
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…
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…
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…
Fushun, Liaoning, China
Past Earnings
$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.…
Bengaluru, Karnataka, India
$15/hr · Starting at $500
Hi, Greetings :-) My name is Shakeel Ahamad Khan and I work as a BLOCKCHAINS(Bitcoin, Ethereum, Hyperledger, Lisk, etc.) FREELANCER. Just wanted to give you all a brief heads up on my background:- 1.
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…
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
Paterson, New Jersey, United States
$60/hr · Starting at $500
Solidity Smart Contract development Wallet connect and wallet integration Digital asset lending protocol NFT marketplace development Cryptocurrency token development OnChain Game development Automatic…
Uyo, Akwa Ibom, Nigeria
$20/hr · Starting at $600
I am a Full-Stack and Blockchain Developer specializing in building scalable web applications and decentralized platforms. I design and develop modern user interfaces, secure backend systems, and smar…
Goa, Goa, India
$100/hr · Starting at $75
Looking for a professional WordPress Wix Weebly site, need a redesign, or want to copy, or migrate your existing website! You can count on me to create modern-looking WordPress Wix Weebly websites for…
Kharkiv, Kharkivs'ka Oblast', Ukraine
Strong knowledge of Web3.js and Web3 stack - Ethereum, Solidity, The Graph Take ownership of the development and maintenance of the bridge interface between smart contracts and the native web experien…
Hong Kong, Hong Kong, Hong Kong
$30/hr · Starting at $250
I am working as a Blockchain and Ethereum Smart contract development. I can develop Smart contract tokens as you want.
el guerdane, Taroudannt, Morocco
$75/hr · Starting at $75
Il primo exchange di criptovalute per volumi di scambio ha deciso di aprire un pool di prestiti per andare incontro ai miners di Bitcoin. L’aumento dei costi dell’energia, i bassi prezzi di Bitcoin (B…
multan, Punjab, Pakistan
ID Verified
$5/hr · Starting at $25
Certainly! Here's a revised version of your service description, tailored for platforms like Fiverr or Upwork, and free from the term "gig": Professional Document Conversion & Editing Services I offer…
Kelso, Washington, United States
$10/hr · Starting at $30
Are you ready to delve into the exciting world of crypto trading? With 3 of experience navigating the dynamic landscape of digital currencies, I'm here to be your trusted guide on this exhilarating jo…
Concord, North Carolina, United States
$15/hr · Starting at $55
Despite the popular conviction that blockchain technology is only designed to perform cryptocurrency transactions and earn bitcoins, blockchain continues its entry into many areas of life: social medi…