Beyoglu, Istanbul, Turkey
$25/hr · Starting at $200
All premium smart contract services in one package! Forget all other contract services! Reasonable price and quality service! The Edition Drop contract is best used when you want to release many NFTs
new taipei city, T'ai-wan, Taiwan
$25/hr · Starting at $50
Here's Roger, thanks for you guys to see my description. As a blockchain developer team, we are familiar with smart contract, NFT, web3.js and all of those which shown in SKILLs. We have cooperated wi…
Fushun, Liaoning, China
14,107/yr · 100%
$39/hr · Starting at $500
For the last 8 years, I have been developing New token creation, Bitcoin, BSC, NFT, Solidity, Solana, Blockchain, Decentralized Exchanges, Crypto Coins based on BEP20, ERC20, ERC721, ERC1155, Bitcoin
Kharkiv, Kharkivs'ka Oblast', Ukraine
750/yr · 1%
$55/hr · Starting at $10,000
- Experience in developing Blockchain applications or proofs-of-concept (POC) using NFT. Rust, Ethereum Solidity or other proprietary language and APIs. - Able to handle cryptocurrency development/cry…
Darkhan, Darhan, Mongolia
Past Earnings
$40/hr · Starting at $50
NFT MINT ENGINE, NFT WEBSITE, NFT MARKETPLACE, NFT TOKEN, ERC721 TOKEN, ERC1155 TOKEN, AND ERC721A TO REDUCE GAS FEE ON MINTING Welcome to my Blockchain NFT gig. My Delivery: Responsive NFT website de…
Shenyang, Liaoning, China
1,314/yr · 100%
$35/hr · Starting at $500
Nur-Sultan, Astana, Kazakstan
200/yr · 1%
$20/hr · Starting at $25
Thank you for reaching my profile! As a Senior Blockcchain developer, I have 9 years of experience in custom cryptocurrency, new token, stable coin, NFT marketplace, NFT game and blockchain developmen…
Karachi, Sindh, Pakistan
$20/hr · Starting at $100
I am an experienced blockchain developer, will create, test and deploy your projects on Ethereum, BSC and Polygon, ERC721, ERC721a, ERC1155 contracts with customized and gas efficient options like Mer…
Fresno, California, United States
$65/hr · Starting at $500
I have 5+ years of experience in blockchain projects and developed many coin websites and some NFT and FT tokens. Token: erc20, bep20, erc721, erc1155, etc Smart contract: lottery, Flash Loan, etc Da…
karachi, Sindh, Pakistan
$10/hr · Starting at $200
With my expertise in developing blockchain solutions and my knowledge of ERC20, ERC721, and ERC1155 tokens, I believe I am an excellent fit for this role. In my previous positions, I have successfully…
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…
Tirana, Tirane, Albania
$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…
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…
NOIDA, Uttar Pradesh, India
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…
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,…
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…
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…
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…
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…