Ayegbaju, Ekiti, Nigeria
$20/hr · Starting at $200
Do you need a secure and efficient Solana smart contract for your Web3 project? I specialize in Rust & Anchor framework development to create custom, high-performance smart contracts on the Solana blo…
Bucuresti, Bucuresti, Romania
ID Verified
$60/hr · Starting at $50
I'm Daniel. I studied blockchain technology in mid-2016 and I have been working on blockchain related projects as a Blockchain software engineer. Services: Crypto voting app based on BSC token, Cr
Kyiv, Kiev, Ukraine
$100/hr · Starting at $2,000
Uniswap Sniper Bot Bot snipe any function (addLiquidity) of ERC-20 token contract so scan pending txs in mempool, if detect it buy token first. It is Node.js script and works on Mac, Windows, Linux. S…
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…
Lahore, Punjab, Pakistan
$45/hr · Starting at $5,000
InvoZone is a leading software development company that excels in industry-focused software development solutions and consulting services across multiple industries. We empower your business with unpa…
Hanoi, Hanoi, Vietnam
$50/hr · Starting at $500
_ Have experience working with microservice architecture, blockchain service, develop ecommerce website _ Strong knowledge with Nodejs, Mongodb, Mysql, cloud service(Ec2, S3,...), Typescript, Git, Nes…
Toronto, Ontario, Canada
$30/hr · Starting at $60
As a senior blockchain developer, I have rich and strong experience in build NFT minting & staking & marketplace with React.js & Node.js for frontend and backend and smart contract on multiple chains…
Kiyv, Kiev, Ukraine
$5/hr · Starting at $25
Providing skills in Backend using modern technologies (Python Tornado/Flask); data storage & manegment (PostgreSQL, MySQL); data processing & analysis (Pandas, Numpy, Plotly, Matplotlib, JupyterLab);…
$20/hr · Starting at $150
Cryptocurrency is the newsest ERA of the world and more easiest and secure way to pay. Coinpayments and Block.io API allows you to accept payments from customer in Bitcoin (BTC), Ether (ETH), Litecoi…
Medellin, Antioquia, Colombia
$60/hr · Starting at $500
Basándome en mi experiencia, puedo describir mi perfil profesional como un desarrollador con habilidades y experiencia en tecnologías front-end como React, Angular y Vue, y en tecnologías back-end com…
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…
Montreal, Quebec, Canada
$40/hr · Starting at $150
Hi, I offer the skill of writing smart contracts specifically for the Ethereum blockchain platform. I am proficient in the Solidity programming language and can create smart contracts for various use
Delmar, New York, United States
$70/hr · Starting at $1,000
I'm a full-stack software developer who has experience in Blockchain, Ethereum, Polygon, Solana, Tron, Cardano, Algorand, Terra, NFT minting/marketing website, DAO, DApps, DeFi web/mobile app developm…
Obrenovac, Serbia, Serbia
$24/hr · Starting at $39
Absolutely! Embrace the groundbreaking synergy of Blockchain and AI revolutionizing industries like healthcare, supply chain, security, and food! Passionate about harnessing this dynamic duo for
Dubai, Dubai, United Arab Emirates
$50/hr · Starting at $250
i am a Software developer with total experience of 5.5 +years in software development and 2.5+ years in blockchain and some experience in AI. I am proficient in Python,Solidity ,web3,c++,PL/SQL,Matlab…
Karachi, Sindh, Pakistan
Past Earnings
For Blockchain Web Development I have 4 years of experiences and skills and cryptocurrency technology I can do for you: ICO web development Smart Contract Development High-level understanding of how B…
Drive Huntsville, Alabama, United States
$500/hr · Starting at $150
*Automated Trading Bot | Webull Bot | Crypto Bot* Take your trading to the next level with our cutting-edge Automated Trading Bot, designed to help you maximize your profits in the fast-paced world of…
Baramulla, Jammu and Kashmir, India
$10/hr · Starting at $200
I build and launch new coins and tokens and get an edge in the crypto trading industry by holistically adapting the blockchain’s cryptography and consensus algorithms. I will provide diligent support…
Faisalabad Gulham muhammadabad, Punjab, Pakistan
Hey there! I'm Dawood, CEO and Founder of CodeZone Software Development. With years of expertise in development and designing, I have successfully delivered exceptional solutions to clients across div…
Madurai, Tamil Nadu, India
$10/hr · Starting at $700
Hello there, Are you planning to create your own cryptocurrency exchange or readymade crypto exchange platform you are at the right place. My development includes: cryptocurrency exchanges ( Centraliz…