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…
Truskavets, L'vivs'ka Oblast', Ukraine
ID Verified
$40/hr · Starting at $1,000
⭐⭐⭐Here are my specialist in Blockchain Development⭐⭐⭐ ✔Solidity, Solana, Rust ✔ERC-20, ERC-721, ERC-1155 ✔Dapp, Cryptocurrency, Smart Contract, NFT Marketplace ✔ Roadmap, Mint, Stake, Fork ✔Web3.js,
Warren, Ohio, United States
$30/hr · Starting at $1,000
I am a top-class FullStack developer I have in-depth knowledge of JavaScript and React concepts, excellent front-end coding skills I will work for a few days as free. You can see my high coding skill
Novohrad-Volynskyi, Zhytomyrs'ka Oblast', Ukraine
$50/hr · Starting at $3,000
Main skills: - Blockchain - Ethereum / Smart Contract / Solidty / Truffle / Web3.js / ERC20, 721, 1155 Tokens - Developing smart contracts using solidity - Developing RPC using web3.js - Analysis of s…
Toronto, Ontario, Canada
$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
Harrisburg, Pennsylvania, United States
$40/hr · Starting at $3,000
● Spearheaded the development of a Blockchain Lottery App using React, Web3.js, .NET Core and Solidity, ensuring security and transparency, enhancing user engagement. ● Led the design and development…
Lahore, Punjab, Pakistan
$10/hr · Starting at $30
Hi, I am specifically skilled Blockchain Developers in developing Smart Contracts, Dapps, NFT websites, NFT marketplace for Nft collections, and Nft minting on Ethereum. I am interested in finding a n…
Indore, Madhya Pradesh, India
$40/hr · Starting at $500
I am a seasoned blockchain developer. I can program, develop and test blockchain software and systems. I can develop decentralized applications (dApps) and smart contracts based on blockchain technolo…
Bengaluru, Karnataka, India
$40/hr · Starting at $25
I have 1.2 years of experience as a blockchain developer using ethereum, hyperledger fabric, hyperledger composer. I have good experience in Node.js, Truffle, Javascript, Amazon AWS, Jenkins, Chef, Gi…
Kasur, Punjab, Pakistan
Hi! I will make the back end of any website with help of Node.js and Mongo. DB and also if there is smart contract integration required I will do this with the help of web3.js or ether.js library.…
Wroclaw, Dolnoslaskie, Poland
$45/hr · Starting at $50
My name is Mikalai Kavalenka. I’m a full stack developer with 9+ years of experience. In my skills I try to keep two backend stacks - NodeJS, Java, and frontend - React. In my work I try to take care
Mong Kok, Hong Kong, Hong Kong
$40/hr · Starting at $300
[For Hire️][Hardworking | % Satisfaction][Remote Work] ⚛️Full-Stack & Smart Contract & Web3 Developer I am a full-stack developer with 8+ years of experience in development. I developed seve
Laval, Quebec, Canada
$65/hr · Starting at $1,000
As a talented IT expert, I have rich knowledge in practical experiences in blockchain & cryptocurrency-related fields. In detail, - Perfect knowledge in blockchain 1.0 (e.g. Bitcoin) - Perfect kno…
Berkeley, California, United States
Hello, everyone. I am a professional web/app engineer with 6+ years of experience in Javascript and PHP frameworks. I have already developed many web and app projects with React, Node, Vue, Angular an…
Loznica, Central Serbia, Serbia
400/yr · 100%
$20/hr · Starting at $100
I am a mobile app developer that enjoys turning ideas into sleek, user-friendly mobile and desktop apps. I have over 5 years of valuable expertise in designing mobile apps for clients. My expertise is…
Quebec, Quebec, Canada
$30/hr · Starting at $80
I am a self-motivated and very open-minded person who can learn very fast. My Skill sets are like follows: - 5+ years of HTML, CSS, JS - 4+ years of Laravel, YII, Ruby on Rails, Drupal, Shopify, DJang…
karachi, Sindh, Pakistan
$30/hr · Starting at $25
I have an extensive software development experience along with system administration. further i have an expertise in blockchain technology using smart contracts with solidity and their tools. Skill S…
Catalonia, Catalonia, Spain
I have a real love of Software-Development and IT. I am meticulous and am always learning more about my field to both stay current and expand on my skills. **** The areas of my expertise include****
Starcevo, Vojvodina, Serbia
I am a full stack developer with over 10 years of rich experience in web & blockchain and iOS & Android development and project management. Enthusiasm , challenge-driven, test-driven are my favorites
$20/hr · Starting at $500
Whether it be a P2E game, Marketplace, or a complete Blockchain Dapp YOU NAME IT, I CAN DO IT. I've been in the industry for over 5+ years. Solutions I can provide: ✔ Metaverse ✔ Play to earn ✔ Ga…