Ridgecrest, California, United States
$32/hr · Starting at $30
Hello everyone! I'm a professional Blockchain engineer with Web(frontend + backend). I've completed a lot of Defi and DEX projects on Ethereum Blockcahin for 5 years. Currently, I have rich experience…
Rawalpindi, Punjab, Pakistan
ID Verified
$15/hr · Starting at $70
I am an expert Smart Contract Developer who specializes in creating decentralized applications (dApps) using the Solidity language for the Ethereum blockchain. With years of experience in the blockcha…
Krivoy Roh, Dnipropetrovs'ka Oblast', Ukraine
$39/hr · Starting at $99
If you need your ERC20, BEP20, TRC20 token done in the least possible time with latest solidity version and secured way, I am the perfect match for you. This ERC20, BEP20, TRC20 Token can be used to
Novi Pazar, Serbia, Serbia
$50/hr · Starting at $200
Hi, I'm a Senior Software Engineer, a Blockchain Engineer, and a cryptography expert. I have comprehensive experience not only in blockchain technologies but also in mainstream software development, i…
Kattanam, Kerala, India
$20/hr · Starting at $500
Initial coin offering(erc20 , erc220) development and audit with custom wallet / webwallet development and integration with existing wallets .
Auckland, Auckland, New Zealand
$10/hr · Starting at $25
I will create a token of your specifications using the ERC20 or ERC741 Token standards and will create another smart contract where tokens can be sold.
Port Coquitlam, British Columbia, Canada
Past Earnings
$40/hr · Starting at $5,000
- Cryptocurrency Exchange Site (based on ETH, BTC, NEO) - ICO (Ethereum, Waves) - ERC20-23, Solidity, Smart Contract, Web3, Truffle - Cryptocurrency (Bitcoin, Ethereum, NXT, Vertcoin, NEO, Monero, ...…
Guru Har Sahai, Punjab, India
$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,…
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…
Kyiv, Kiev, Ukraine
$30/hr · Starting at $1,500
Creating an exchange Trading platforms with 3rd part liquidity API, Margin trading etc. like binance.com, bybit.com, or Bitmex.com NFT marketplace, Defi/Dapp Development, DeFi Consulting (swaps, liqui…
Fushun, Liaoning, China
$30/hr · Starting at $1,000
Hello In here skills. In China blockchain tech have top level and several famous coins and projects build by china developers and companies. I will success of your projects. I have many skills in seve…
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…
Staoueli, Alger, Algeria
$75/hr · Starting at $320
I will be your blockchain developer. I can help you in your Ethereum Solidity Smart Contracts. I can make Custom Smart Contracts on EVM as per your terms and Conditions. I will do test on the testne
Islamabad, Islamabad, Pakistan
$17/hr · Starting at $70
Hi, I am Mueed, expert in Solidity based smart contracts on ETH/BSC/FTM/Polygon chains with many customizeable features coupled with OpenZepplin standards and power of Hardhat-waffle based testing You…
Sikandurpur, Punjab, Pakistan
$80/hr · Starting at $2,000
I am a Professional in Blockchain and Web3 Development. I have 5+ years of experience in web3. Web3 development is my expertise and I can help you with Ethereum or Binance Smart Chain (BSC) related wo…
Odesa, Odes'ka Oblast', Ukraine
$45/hr · Starting at $450
Hi there , read to the end.PM for a talk and meet.We are transforming concepts into DAPP reality. Full-cycle development, audits, Web3 integration, NFT expertise, ERC20 tokens, wallets, and DeFi
Igbo Ukwu, Anambra, Nigeria
$2,000/hr · Starting at $5,000
Hi incredible buyers!!! We are a full stack developer and we have successfully done many project on this field sir. We are very expert in develop nft website,.....and nft marketplace website,....on t…
Krakow, Malopolskie, Poland
$35/hr · Starting at $1,000
Ethereum (Solidity) smart contracts/token/ICO development. ERC20/ERC233/ERC791/etc. Autotest coverage using JS or solidity. Deploy/migrations using truffle or geth. Experience > 1.5 year.
Harbin, Heilongjiang, China
$50/hr · Starting at $5,000
-HTML/CSS3, Javascript, Typescript, ES6+, React.js, Angular2+, Vue.js -Cryptocurrency Exchange Site (based on ETH, BTC, NEO) - ICO (Ethereum, Waves) -ERC20-23, Solidity, Smart Contract, Web3, Truffle…
Constanta, Constanta, Romania
$100/hr · Starting at $1,000
Strong Bitcoin & Ethereum Blockchain Experience Knowledge using Solidity Smart Contracts: --- ERC20 - create custom tokens , airdrops, ICO, Cryptocurrency --- Web3, IPFS, Swarm, Consensus algori…