Lodhran, Punjab, Pakistan
$18/hr · Starting at $1,800
My portfolio reflects my hands-on experience in front-end development, leveraging React.js and Material-UI to build dynamic, user-friendly web applications. Each project is designed to focus on seamle…
Staten Island, New York, United States
525/yr · 100%
$65/hr · Starting at $1,000
I am a highly skilled E-Commerce and Blockchain Developer with years of experience delivering robust, scalable, and high-converting solutions. I have built dozens of e-commerce websites using Shopify,…
Karachi, Sindh, Pakistan
$40/hr · Starting at $200
We provide development and audit of smart contracts on Ethereum platform. The smart contracts can range from a token contract, an ICO to a customized contract for a decentralized application.
Beaverton, Oregon, United States
$50/hr · Starting at $2,000
I have rich experience in development of frontend, backend, mobile and microservice. Especially, I have rich experience in implementation of microservice using Rust and Golang. Here is my skillset. Ru…
Hong Kong, Hong Kong, Hong Kong
Dedicated blockchain developer well-versed in solidity and rust. Development experience in DEX, NFT marketplace, NFT minting and staking. Solidity experience in developing and implementing application…
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…
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…
Bogota, Bolívar, Venezuela
$50/hr · Starting at $1,000
I am a trading bot expert. I developed several trading bots. - Sandwich bot (Front running bot) - Sniper bot (Back running bot) - NFT mint bot (Back running bot) - Opensea bidding bot (opensea API) -
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.
Lahore, Punjab, Pakistan
$15/hr · Starting at $45
Hire me as your professional blockchain developer for your NFT project. With several years of experience in multiple fields including crypto, will create a quality smart contract for you in a timely m…
Bandung, Jawa Barat, Indonesia
$20/hr · Starting at $25
1. Flutter Mobile App Development with or without Backend Development 2. DApps/Web 3.0 Development, multi-chain development, Decentralised Application is an application that can operate autonomously,
Delmar, New York, United States
ID Verified
$70/hr · Starting at $1,000
I'm a full-stack software developer who has experience in Blockchain, Ethereum, Polygon, Solana, Tron, Cardano, Algorand, Terra, NFT minting/marketing website, DAO, DApps, DeFi web/mobile app developm…
Ust-Kamenogorsk, East Kazakhstan, Kazakstan
$40/hr · Starting at $120
Hello! I am an IT developer. I am able to offer smart contracts security services and other IT solutions. My services: - Frontendend React, Angular, Tailwind CSS. - Backend Node.js, Express.js, M…
Belgrade, Serbia, Serbia
$30/hr · Starting at $40
Мы создаем и внедряем публичные, закрытые, гибридные блокчейн-решения для различных сфер, а также DEFI и блокчейн-проекты для криптоиндустрии. -рынки NFT -Блокчейн инвестиционные платформы -Токены и к…
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…
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 -
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
Butwal, Western Region, Nepal
$25/hr · Starting at $50
I am a blockchain developer.I can design and develop decentralized applications based on blockchain.I have experience in developing De-Fi ,NFTs,Games,DAOs,DEXs,Bridges across multiple blockchains.I ca…
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…