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…
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…
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…
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…
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…
$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…
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…
Truskavets, L'vivs'ka Oblast', Ukraine
ID Verified
$40/hr · Starting at $1,000
⭐⭐⭐Here are my specialist in Blockchain Development⭐⭐⭐ ✔Solidity, Solana, Rust ✔ERC-20, ERC-721, ERC-1155 ✔Dapp, Cryptocurrency, Smart Contract, NFT Marketplace ✔ Roadmap, Mint, Stake, Fork ✔Web3.js,
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…
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
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
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…
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…
Islamabad, Islamabad, Pakistan
$25/hr · Starting at $250
Creating NFT Collections using Python, P5.JS, Midjourney AI, Runway AI. -NFTs with Metadata -DApps with Frontend and Backend. -Generative AI Integration. -AI Chatbot Development and Integration. -Sma…
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…
Sydney, New South Wales, Australia
$20/hr · Starting at $50
As a skilled blockchain developer I can provide you to write smart contract in EVM, Solana, Aptos and Cosmos chains. I have built several Dapps and Defi like NFT marketplace, Dex, Token launchpad, Cas…
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…
Tehuacan, Puebla, Mexico
A software developer who is responsible for all phases of software development, from requirements gathering and analysis to design, development, testing, and support. Owner with excellent requirements…
Umka, Central Serbia, Serbia
$50/hr · Starting at $1,000
I develop secure and scalable blockchain solutions, including dApps, DeFi applications, NFT marketplaces, and DAO governance tools. Smart contract security and gas optimization are key priorities in m…