Taipei, T'ai-pei, Taiwan
$21/hr · Starting at $10,800
FaSwift.Tech Hello, We are a group of people who love technology and creativity. The goal is to create the most humane user experience and optimized products. Whether it is a product we create by ours…
Karachi, Sindh, Pakistan
$70/hr · Starting at $25
Solidity smart contract developer having experience of 3+ years. I have built projects ranging from Smart Wallets aka Account abstraction, NFT marketplaces, Decentralized exchanges (DEX) , ICO, White…
Tirana, Tirane, Albania
Past Earnings
$30/hr · Starting at $50
Greetings !!! I have 2+ years experience working on blockchain development. I am specializing in solidity language for token contracts(ERC20, ERC721(NFT), ERC1155(NFT), BEP20, BEP721(NFT), BEP115(NFT…
Mirpur Khas, Sindh, Pakistan
$5/hr · Starting at $25
I have a great experience in the development of cryptocurrency such as ERC20/ ERC721 / ERC721A / BEP20-token and other OpenZeppelin contracts. I have also developed NFTs (ERC721/ ERC721A) and tokens (…
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…
Luxembourg, Luxembourg, Luxembourg
$35/hr · Starting at $2,500
Web frontend & backend, Ethereum, Binance, Algorand and Harmony - DEX, DeFi and NFT minting - Token Development: ERC20, NFT(ERC721), NTT(ERC1238) - Infura, Alchemy, moralis integration. - Blockchain
Guru Har Sahai, Punjab, India
ID Verified
$60/hr · Starting at $2,000
We have worked on ERC20, ERC721, ERC65, ERC1155, TRC20, BNB, AAVE, COMP, SUSHI, LINk, CAKE, and UNI. airdrop contracts, gasless contracts, staking contracts, swap contracts, dapp, defi, HEX, CEX, DEX,…
Toronto, Ontario, Canada
$55/hr · Starting at $45
Experienced Web & Blockchain Developer adept in bringing forth expertise in creation of smart contracts, testing of security & scalability, and dApp development. Equipped with a diverse and promising
NOIDA, Uttar Pradesh, India
$20/hr · Starting at $100
Blockchain | Wallets | Coin-Creation | Crypto-Exchange | ICO | Dapps | DEX | Web Portal Our Core Competency is in delivering new Coins based on Customised ERC20 / ERC721 / ERC998 / ERC1155 Smart Cont…
Kyiv, Kyyivs'ka Oblast', Ukraine
$100/hr · Starting at $1,000
I can make smart contract by using Remix, TronIDE, BSCIDE. I have made many contract based on BSC, ERC, TRC and so on. And I have deep knowledge about BEP20, ERC20, ERC721, ERC1155, TRC20, and TRC10 p…
Osogbo, Osun, Nigeria
$35/hr · Starting at $400
offer development for all kinds of different tokens such as ERC-20, ERC-721, and more! My Expertise and Services: Smart Contracts Tokens & Coins - ERC20 | BEP20 | ERC721 | ERC721A | ERC1155 | ERC 2981…
Kulappully, Kerala, India
$25/hr · Starting at $25
I'm a blockchain developer who have more than 1.5 years industry experience. My core skills lies on Javascript/AngularJS and HTML, CSS.
Bahawalnagar, Punjab, Punjab, Pakistan
$30/hr · Starting at $100
I have strong experience in developing the top of following Blockchains: Ethereum, Binance, Avalanche, Polygon My expertise in: • Building Ethereum Smart Contracts • Building ERC20 Fungible Tokens • D…
Sao Joao da Madeira, Aveiro, Portugal
$20/hr · Starting at $200
I will generate metadata for Ethereum or any EVM compatible blockchain, and Solana. REQUIREMENTS: Collection name Collection description Token symbol IPFS CID (if your artwork is already uploaded) I c…
Warsaw, Mazowieckie, Poland
$30/hr · Starting at $1,000
Hi Always, all my work will be oriented for the customer. So far, I experienced Education support platforms, Medical Website, Food Delivery platforms, Renting platforms, Chrome extension, Card bonuses…
Berlin, Berlin, Germany
$15/hr · Starting at $30
Hey, I can develop your blockchain project on any chain. Please let me know about your idea so we can discuss it. I have experience with ERC20 token creation, dex listing, ERC721 (NFT) smart contracts…
Veliky Novgorod, Nizhegorod, Russian Federation
$15/hr · Starting at $100
I'm blockchain expert with 5+ years experience in Solidity 3, Truffle 2 and React.js for a complete distributed Application(DApp). - Strong background in Blockchain/DApp - Wallet App using Etherium, B…
Lagos, Lagos, Nigeria
$15/hr · Starting at $650
Hello Respected Buyers, We are professional full stack blockchain developer with many years working experience and wide spread knowledge, We are well skilled in the following areas: PHP, PYTHON, JAVAS…
Altamonte Springs, Florida, United States
$50/hr · Starting at $30
Passionate Full Stack & Blockchain Developer offering 7+ years of relevant experience in Blockchain, ML, and Robotic. I have experience developing Defi, DEX, DApp, Trading Bot, Token, autonomous syste…
Ivano-Frankivsk, Ivano-Frankivs'ka Oblast', Ukraine
$35/hr · Starting at $1,000
- Token Creation (Fungible, Non-fungible, semi-fungiable token creation, Fractional ) - Staking - Vesting - Miniting(ERC721,ERC20,BEP721,BEP20,TRC20,TRC721,Matic) - COllection(ERC1155,Matic1155) - Roy…