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
$40/hr · Starting at $25
- 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
Past Earnings
$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…
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
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…
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.
Boyarka, Kyyivs'ka Oblast', Ukraine
I have read your descript carefully and felt who this is just project for me. I am full-time developer and have rich experience in Python for 5 years. I am sure I can fulfill your requirements, and co…
Kharkiv, Kharkivs'ka Oblast', Ukraine
$25/hr · Starting at $1,000
- Developed 5 production blockchain platform for web and mobile app - Mainly used Rust, Solidity, Ink, Substrate, Web3.js, React.js, Node.js - Wrote many smart contracts with solidity inTruffle, Wasm
Blagoveshchensk, Amur, Russian Federation
$50/hr · Starting at $100
Blockchain is a technology that can safely store transaction records on a peer-to-peer network instead of storing them in a single location. I have experience with Blockchain, Cryptocurrency, Ethereum…
Sun City Center, Florida, United States
$5/hr · Starting at $300
I create basic, safe, and functional ERC20 Standard token contracts. Nothing fancy, just safe and reliable. I can have contracts done and verified within an hour. Available all day and night.