Forbesganj, Bihar, India
Past Earnings
$14/hr · Starting at $300
Artistic and modern designs, Superior quality and Cost effective solution are the 3 things which I keep in mind, while developing any website for my client. Team of talented designers and developers w…
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…
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…
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,
Hong Kong, Hong Kong, Hong Kong
$50/hr · Starting at $2,000
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…
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…
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…
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…
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…
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…
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 -
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…
Bhavnagar, Gujarat, India
Token & Coin Development - Services and DApps based on Blockchain - ICO, ERC-20, ERC-223, ERC-721, IPFS, Solidity, Smart Contract development & audit - Gambling and Casino smart contracts - Cryptocurr…
$5/hr · Starting at $25
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…
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.
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
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