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…
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…
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
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) -
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…
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…
$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…
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…
Peshawar, Northern Areas, Pakistan
$38/hr · Starting at $25
Full Stack Web Developer, Desktop App Developer & Crypto Developer Transforming visions into high-performing digital solutions with precision, creativity, and dedication. As a Full Stack Web Developer…