Darkhan, Darhan, Mongolia
Past Earnings
$40/hr · Starting at $50
I am Blockchain Web3 developer, I develop secure and efficient Blockchain Smart Contracts with gas optimization and Front End Development like Minting dApp or Minting Website, NFT Marketplace and Stak…
Val-des-Bois, Quebec, Canada
$35/hr · Starting at $60
James is a developer with expertise in the blockchain space. He has built entire projects around blockchain. As an experienced developer, he has conceptualized and delivered many of his own products.…
Livenka, Kiev, Ukraine
$40/hr · Starting at $25
I always welcome entrepreneurs & innovators to partner up with my highly experienced skills&stacks to implement your ideas into reality. Whether you need a website, coin or apps developed or even Digi…
araihazar, Dhaka, Bangladesh
$40/hr · Starting at $2,000
With 4 years of experiences and skills in blockchain and cryptocurrency technology > ICO web development > Smart Contract Development > High-level understanding of how Blockchains work, especially
Kaysville, Utah, United States
ID Verified
$20/hr · Starting at $300
I can provide several types of token(ERC20/ERC721/ERC1155) deployment, building new Crypto Wallet, Auto trading Bot / Snipping Bot(Front-run, Arbitrage), DEX fork, DEFI platform for Staking / Yield fa…
Hong Kong, Hong Kong, Hong Kong
$50/hr · Starting at $2,000
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…
Philadelphia, Pennsylvania, United States
$30/hr · Starting at $500
-University of Texas at Austin. Bachelor's Degree. -live in Philadelphia -8 years of development experience (4 years of Blockchain development experience) -Cosmos, Polkadot, Near, Ethereum, Solana\ -…
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.
Pune, Maharashtra, India
$20/hr · Starting at $30
I have expertise in javascript , typescript , angular.js, react.js , react native, flutter, web components, node.js , salils , express , d3js , vis.js , three.js , webrtc etc javascript framework etc
vancouver, British Columbia, Canada
$15/hr · Starting at $30
Token Smart Contract Development The Diamond Stable Coin Wallet and Ecosystem DSC (Diamond Stable Coin) launch happens at the same time as the launch of two internet platforms, DSC and DiamDrop. DI…
Kowloon, Hong Kong, Hong Kong
- Blockchain(Bitcoin | Ethereum | BSC | Polygon | Fantom | TRON) * Defi & DApps * NFT & NFT Marketplace * Smart Contract, DAO, Staking Pool, Mining Pool * DEX Development - Full-Stack * Web-based syst…
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…
Reya, Zhytomyrs'ka Oblast', Ukraine
$20/hr · Starting at $50
Proficient in -Landing page development with Wordpress -Frontend Development with React, Vue, Anguar -Backend Development with Node.js(Express, Nest.js), Laravel, Django -Smart contract development on…
Moscow, Moscow, Russian Federation
$50/hr · Starting at $200
- Cryptography: PKI, HSM, Symmetric and Asymmetric, ECDSA, TLS, AES, etc - SQL: PostgreSQL, MySQL, SQLite, H2 and many others - NoSQL: Aerospike, Mnesia, Memcached, Redis, Tarantool, Mongodb, LevelDB,…
Icara, Santa Catarina, Brazil
$25/hr · Starting at $50
experience: Analysis and algorithms design. Linear data structures. Non linear data structures. Search and sort. Languages theory and compilation. Compilation labs. Automatic Generation of compil…
La Paz, La Paz, Bolivia
$15/hr · Starting at $25
I am specialized in blockchain development, but I can complement my work with frontend and backend development, using nodejs and React framework Smart contracts in solidity Api Ethereum explorer filt…
Minsk, Minsk, Belarus
$50/hr · Starting at $45
We have experience working with distributed ledger technology including Hyperledger, Ethereum, R3Corda, and Hashgraph. We have deployed Smart Contracts using Solidity, node.js and Go on both public a…
Lakeview, Ohio, United States
$25/hr · Starting at $100
I have made custom ERC-20 and ERC721 contracts for polygon (IE ethereum) without any prior knowledge about it. Not only is fresh in my mind, I'll adapt my talent to learn to any crypto based project.
Meyrin, Geneva, Switzerland
$5/hr · Starting at $100
Are you looking to create your unique NFTs and require a custom smart contract to ensure security and immutability? Look no further! My smart contracts are built on Ethereum and are fully compliant wi…
Jaipur, Rajasthan, India
$25/hr · Starting at $25
Have implemented Blockchain at various government set up so far. We are disrupting this space using our in-depth knowledge in implementing distributed systems