Vasteras, Vasternorrlands Lan, Sweden
$35/hr · Starting at $25
As a blockchain developer with 5 years of experience, I have a deep understanding of blockchain technology and its applications. I specialize in developing decentralized applications (dApps) and smar
Dover, Delaware, United States
ID Verified
$30/hr · Starting at $1,000
StartupCraft is a premier Blockchain, Web, and Mobile app development company dedicated to crafting innovative products and solutions for startups of diverse scales and established enterprise corporat…
london, London, United Kingdom
$35/hr · Starting at $2,000
Beyorch Digital follows the same business model as its parent company, Beyorch, Inc. Where crypto is lent to small businesses, companies, and major institutions. As part of this platform, Beyorch Digi…
Tbilisi, T'bilisi, Georgia
$35/hr · Starting at $50
Innovative tech mind with 5 years of experience working as a computer programmer. Capable of working with a variety of technology and software solutions, and managing databases.I have experience diagn…
Bakhmach, Chernihivs'ka Oblast', Ukraine
$25/hr · Starting at $100
Front End: -- React, Next, React Native -- Angular, Nest -- Vue, Vuex, Nuxt, Quasar, Vuetify, Vue material UI -- HTML5, CSS and ES6/7 JavaScript -- CSS, Bootstrap, Tailwind CSS, SASS, LESS Back
Brooklyn, New York, United States
$8/hr · Starting at $500
- Ethereum, Smart contracts, ERC20, custom tokens, solidity, a consensus algorithm - Strong experience with Blockchain, ICO, Cryptocurrency, tokens, IoT technology - Professional knowledge about Bitco…
Rivne, Rivnens'ka Oblast', Ukraine
Past Earnings
$45/hr · Starting at $1,000
Hi I have particpated in many kinds of blockchain projects, and I got enough experience. I can design logic of whole system and develop both backend and frontend(web and mobile app) for the blockchain…
Sana'a, San, Yemen
$20/hr · Starting at $100
We can build Data warehouse (ETL/ELT) with ODI : -Phisical and logical design. -Mapping.-packaging , Procedures,functions ,seq. no -cenarios ,Load plans. ,Design Dashboard by Power BI,or Oracle Analy…
New Delhi, Delhi, India
$20/hr · Starting at $1,000
I am an enterprise solutions architect and lead developer skilled in laying the foundations for product development with a qualified development team. My solutions expertise includes on-premise and cl…
Bucurest, Bucuresti, Romania
$80/hr · Starting at $2,000
Experienced PHP Web Developer with a demonstrated history of working in the information technology and services industry Skilled in Object-Oriented Programming(OOP), PHP, MySQL, JavaScript, CSS, Linux…
Hunchun, Jilin, China
100/yr · 100%
$30/hr · Starting at $5,000
Starlight NFT is a collection of 10k room NFTs inside the Starlight interplanetary ship. My role was to develop NFT contract using ERC721 on EVM and rebuild frontend using modern JavaScript frameworks…
Rochester, New York, United States
$60/hr · Starting at $25
Cryptocurrency consultant that has experience trading many different coins on various exchanges including GDAX, Binance, Gemini, and Bittrex. Experienced evaluating ICO's and the token economics of p…
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…
Darkhan, Darhan, Mongolia
$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…
La Romana, La Romana, Dominican Republic
$50/hr · Starting at $5,000
o Developed web pages using React o Created web design with Figma what they want• Implemented mobile-friendly on any device o Connected web frontend to Ethereum Smart Contract by using Web3 o Created
Sahibzada Ajit Singh Nagar, Punjab, India
$8/hr · Starting at $25
I'm a full stack web developer with over 6+ years of experience and have got expertise in: - PHP | LAMP development, I'm a very good team player and like to solve problem quickly. Prompt reply and qu…
Santiago De Los Caballeros, Santiago, Dominican Republic
$55/hr · Starting at $1,000
I am a skilled senior blockchain, DevOps, software engineer, Team Manager with good experience in the full SDLC creating dynamic web application, desktop, script. I always update functionality based o…
Hong Kong, Hong Kong, Hong Kong
$30/hr · Starting at $250
I am working as a Blockchain and Ethereum Smart contract development. I can develop Smart contract tokens as you want.
Etawah, Uttar Pradesh, India
$10/hr · Starting at $100
I have great expertise of 07+ years in integrating major payment gateway. > Stripe > Authorize.net > PayPal > Elavon(UK) > Elavon(US) > CCAvenue > Bill desk > 2Checkout > Braintree (Product of PayPal)…
Kuala Lumpur, Kuala Lumpur, Malaysia
$5/hr · Starting at $25
Ethereum is a platform that's built specifically for creating smart contracts. We develop the following Solidity smart contracts: • Token contracts ERC20/ERC223 • Crowdsale contracts ICO • Multisigna…