Belgrade, Serbia, Serbia
$50/hr · Starting at $30
Hi, welcome to visit my profile! I am a highly professional blockchain developer from Ukraine, with 10+ years of experience, solid leadership skills, and unrivaled building skills. Over the last 10 ye…
Lagos, Lagos, Nigeria
$50/hr · Starting at $250
A passionate Blockchain, Web & Software developer having effective problem solving skills and the ability to quickly understand the needs of my buyers. I can perform any blockchain, web or software de…
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…
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.
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…
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…
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,
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) -
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…
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…
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…
$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…
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…
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…
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…
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
prayagraj, Uttar Pradesh, India
$15/hr · Starting at $1,500
I can fork popular Decentralized Cryptocurrency Exchanges for you like Uniswap V3 / V3 Clone, Pancakeswap, SushiSwap, spookySwap,AnySwap , KyberSwap with features like 1. Token Swapping 2. Limit Order…