Paris, Ile-de-France, France
$40/hr · Starting at $30
My product is clean and perfect because my code is the creation of my love and passion. My goal is to improve myself every day, so I do not stop there and learn everything new. I’ve operated as a seni…
Giurgiu, Giurgiu, Romania
ID Verified
$50/hr · Starting at $100
I am a senior web & Blockchain developer with more than 5 years of experience in web development and about 2 years in Blockchain technology. I have detailed, result-oriented, and highly sophisticated…
Singapore, Singapore, Singapore
$50/hr · Starting at $25
I am a skilled developer with over seven-year of experience in the field. I dedicate myself to exploring new techniques and procedures related to Blockchain development. Excellent at solidity, DApp &
Yerevan, Yerevan, Armenia
$50/hr · Starting at $1,000
Welcome to my Service Please send a single message before place an order. Do you have an idea and want to launch it successfully? Or do you need a blockchain applications ecosystem to be developed acc…
Dover, Florida, United States
$35/hr · Starting at $4,000
As an experienced Web & BlockChain engineer, I have been working in the BlockChain field for over 6 years. I have already completed so many blockchain relevant projects such as Forking swap, NFT marke…
Charlotte, North Carolina, United States
Past Earnings
$60/hr · Starting at $80
I have: • Merged different data sources using ETL script, Amazon RDS and MySQL. • Built process mining case & recommendation engine as market pitch for a client. • Creation and design of Real Time KP…
Livenka, Singapore, Singapore
$50/hr · Starting at $30
- Develop smart contracts in Solidity and Rust. - Develop RPC using client libraries such as Web3js. - Static analysis of smart contracts for gas consumption and optimization using Remix IDE. - Develo…
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
girne, Nicosia, Cyprus
$25/hr · Starting at $200
1) I have solid knowledge and vast experience in NFT marketing platform using Solidity, Solana, Rust. Crypto Wallet integration, Dashboard using various APIs are very familiar with me. Good expe…
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…
Regina, Saskatchewan, Canada
$35/hr · Starting at $1,000
NFTs hosted on the Ethereum, Binance or Solana network is a complex framework of valuables owned, listed, auctioned and sold on an NFT marketplace. It is a reliable way of attributing ownership to a d…
Toronto, Ontario, Canada
$30/hr · Starting at $100
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.…
Hong Kong, Hong Kong, Hong Kong
$15/hr · Starting at $40
Hello As a motivated and reliable full-stack developer with comprehensive skills in multiple technologies, I'm proficient in both Web Backend and Frontend development. I have 6+ years of hands-on expe…
Lodhran, Punjab, Pakistan
$18/hr · Starting at $1,800
My portfolio reflects my hands-on experience in front-end development, leveraging React.js and Material-UI to build dynamic, user-friendly web applications. Each project is designed to focus on seamle…
Suitashi, Osaka, Japan
Hello. Senior Web, Blockchain and Mobile developer who has 7 years experience. Experience in Leading a team of front-end, back-end and smart contract developers. Developed DeFi, NFT marketplace and To…
Volodymyr-Volynskyi, Volyns'ka Oblast', Ukraine
$25/hr · Starting at $500
I am a professional blockchain developer have experience of over 7 years of. I've mastered these fields below: ✓ Smart Contract, Defi, in Ethereum, Solana, Avax, Wax, Algorand, Polygon, BSC, Polkadot
$55/hr · Starting at $45
Experienced Web & Blockchain Developer adept in bringing forth expertise in creation of smart contracts, testing of security & scalability, and dApp development. Equipped with a diverse and promising
Kyiv, Kiev, Ukraine
$30/hr · Starting at $1,500
Creating an exchange Trading platforms with 3rd part liquidity API, Margin trading etc. like binance.com, bybit.com, or Bitmex.com NFT marketplace, Defi/Dapp Development, DeFi Consulting (swaps, liqui…
Bender, Bender, Republic of Moldova
$30/hr · Starting at $2,000
Hello sir I have over7 years experiences with website && mobile app development. I am very familiar with cloud services such as AWS, cPanel, GoDaddy etc... I use bellow programming language and tools:…
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…