Ayegbaju, Ekiti, Nigeria
$20/hr · Starting at $200
Do you need a secure and efficient Solana smart contract for your Web3 project? I specialize in Rust & Anchor framework development to create custom, high-performance smart contracts on the Solana blo…
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…
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…
Jaipur, Rajasthan, India
$20/hr · Starting at $100
We provide services for block chain including - Private block chain like HyperLedger fabric and HyperLedger Indy - Smart Contract development on Solidity - Smart Contract deployment on any network -
Mannargudi, Tamil Nadu, India
$25/hr · Starting at $5,000
we do create private etherum poa based blockchain with explorer and we do create all custom token creation in erc20 erc720 and erc1155 tokens please ask us for demo, we do work all works we do create…
Ho Chi Minh, Ho Chi Minh, Vietnam
$30/hr · Starting at $250
Hi I am Huynh from Vietnam — known as the king of development for my expertise and innovation in the field. Do you want to work with a developer who anticipates your needs and delivers perfect proj
Ahmedabad, Gujarat, India
$5/hr · Starting at $25
I am Vasu Patel. I have completed my master degree in MCA from L.D. College of Engineering Ahmedabad 2017. Having 1.5+ years’ experience with passionate and professional software developer worked as a…
Hey!! My Name is Ashish , I'm From India. I am a professional software developer with 3 year experience. I'm expert in making E-commerce, Blockchain Software , Web Designing, Web Development Etc. If y…
Naaldwijk, Zuid-Holland, Netherlands
$50/hr · Starting at $40
Are you looking for a gas-optimized and trouble-free smart contract? Well, you are at the right service. I can convert your idea into a full-scale project which will forever live on the blockchain. I
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…
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…
Pune, Maharashtra, India
$12/hr · Starting at $1,000
Smart contracts, Defi, Dex, NFT and Games full stack developer. I have the following skill set : *Smart Contract development/test/audit of ERC20, ERC721, ERC1155, BEP20, SPL * OpenZeppelin, Truffle, h…
Toulouse, Midi-Pyrenees, France
$55/hr · Starting at $50
As a Senior Blockchain Developer, I offer a wide range of services tailored to align with the ever-evolving blockchain landscape: Smart Contract Development: Design, code, and implement efficient and
Weehawken, New Jersey, United States
$100/hr · Starting at $500
I run a mining network that mines Bitcoin, ethereum, litecoin and more via the script, X11, and SHA-256 algorithms. We offer you a smart and easy way to start mining by reducing the cost associated wi…
$20/hr · Starting at $25
I am a highly Skilled Web, Desktop and Decentralized Application Developer with an expertise in Machine Learning, Neural Networks, Database Management Sytems and Blockchain Technology. With excellent
Tel Aviv-Yafo, Tel Aviv, Israel
$50/hr · Starting at $50
I have deployed projects on Distributed Ledger Technologies such as Ethereum, Fabric, Workbench and Hashgraph. Microsoft Blockchain Academy | Israel iXperience | Germany Hedera18 | Israel Won second p…
Kharkiv, Kharkivs'ka Oblast', Ukraine
$40/hr · Starting at $3,000
I am a representative of Avezor Software. Our company is engaged in AI and complex solutions for blockchain services including cryptocurrency creation, token creation services, setting up eWallets and…
Indore, Madhya Pradesh, India
$14/hr · Starting at $25
BitPesa is a digital foreign exchange and payment platform that leverages blockchain settlement to significantly lower the cost and increase the speed of business payments. User can sign up for either…
Huntsville, Alabama, United States
$1,000/hr · Starting at $400
Hello clients, I’ll develop blockchain wallet App as per your requirements Bitcoin (BTC) Ethereum (ETH) Binance Coin (BNB) Bitcoin Cash (BCH) Cardano (ADA) Dogecoin (DOGE) Internet Computer (ICP) Lit…
Ifite Awka, Anambra, Nigeria
$50/hr · Starting at $100
If you are looking for a reliable full-stack developer for your web3 development, you are at the right place. I have 2 years expriences in developing and building Dappa nd Defi. I have solid skills in…