Toronto, Ontario, Canada
$5/hr · Starting at $25
Smart contract engineer in the business of providing services to those involved in blockchain cryptocurrency. @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@…
Beograd, Serbia, Serbia
ID Verified
$50/hr · Starting at $500
Web developer focussed on Blockchain and Crypto-related projects, Crypto Gambling and Betting platforms, Trading Platforms and Exchanges, crypto lending and payment solutions. Last 5 years I have work…
Ife, Osun, Nigeria
$50/hr · Starting at $35
For a fully functional crypto-currency and e-wallet, payment app, blockchain app, bank app, transaction app, transfer app, money transfer app, payment gateway, payment solution, fintech, bitcoin app,
Leningradskaya, Krasnodar, Russian Federation
$20/hr · Starting at $50
I am a Blockchain and Cryptocurrency developer with strong math experience and specialize in developing practical solutions for complex web applications. With 5 years of experience developing tokens a…
Belgrade, Serbia, Serbia
$50/hr · Starting at $300
Service: - Develop, change, fix, audit smart contracts. - Defi development. Uniswap fork Pancakeswap fork - Pancakeswap, uniswap bot development. - Presale website development I have good experien…
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
Yerevan, Yerevan, Armenia
$30/hr · Starting at $5,000
A dedicated team of experts experienced in Web Development. We worked with a large number of clients on various types of projects. We collaborated with several multinational companies as well. The ave…
Dandong, Liaoning, China
$20/hr · Starting at $100
I am well-versed in Cryptocurrency-exchange platform building, for last 3+ years, I've built the several blockchain-based cryptocurrency coin exchange platform, and delivered a token using Smart-contr…
Baltimore, Maryland, United States
$35/hr · Starting at $500
Greetings! I provide professional web development services and cryptocurrency tech. I've developed dozens of websites. My clients are always satisfied with my results and I've also created over 100 we…
Tirana, Tirane, Albania
Past Earnings
$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…
Vadodara, Gujarat, India
$20/hr · Starting at $1,500
With a team of developers having a total 40+ years of experience in Android development, we come equipped with all the necessary tools, techniques and expertise for your projects and requirements. Our…
RP SREDNII, Irkutsk, Russian Federation
$25/hr · Starting at $200
With my 8 years of rich experience in web development, I am proud of my javascript skills myself. My skill set includes: Vue, React, Node, Express, Laravel, Blockchain, Ethereum, NFT, Tradingview and
Myrnohrad, Donetsk Oblast, Ukraine
$40/hr · Starting at $30
Main skills are algorithm design and programming languages C, C++, Javascript , Typescript, and fairly interested in MERN Stack( with Redux). And particular I have done deep research on Blockchain tec…
New York, New York, United States
$40/hr · Starting at $100
Hi, clients. I am a full stack web developer and I can serve you anytime you want. I am sure that you will be satisfied by my work. I have worked for 5 years developing websites and for 3 years and 3
Karachi, Sindh, Pakistan
$5/hr · Starting at $30
Hi, My name is Qasim and I have 20+ Years of experience in the field of Software Development and Life Cycle management. Horned my skills as Enterprise application developer, Blockchain Evangelist. Pa…
Kolkata, West Bengal, India
$25/hr · Starting at $1,000
SPECIALTIES - Smart Contract Creation. - NFT-based marketplace. - NFT-based gaming platform. - Dapps. - Private Blockchain Development. - ICO Development. - Decentralized Exchanges. - Blockcha…
Bhavnagar, Gujarat, India
Token & Coin Development - Services and DApps based on Blockchain - ICO, ERC-20, ERC-223, ERC-721, IPFS, Solidity, Smart Contract development & audit - Gambling and Casino smart contracts - Cryptocurr…
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
$35/hr · Starting at $10,000
We have a team of Developers, with main stacks: React, Node, angular, .net, blockchain, Java, blockchain, etc We can provide you with good service and a good specialist for your project, for good rate…
$25/hr · Starting at $100
A result oriented professional with good experience in application Support & Maintenance and Software Development. Adept in providing post-implementation, application maintenance & enhancement suppo…