Hire the best web3.js Freelancers in Kharkiv, UA

Hi, I'm a web developer with 4 years of experience with Solidity, Truffle, Web3.js, Node.js, React.js, Angular, PHP/Laravel, JQuery, CSS/SCSS and more. Last year I started to work with Solidity and helped to launch various ICO products and created a bunch of smart contracts. I can help you with writing smart contracts (ICO - ERC20 Token, dApps) on the Ethereum platform, automated testing, deploying, and upgrading them, and integrating with your backend and frontend code. I'm experienced in writing complex tests and deployment scripts. I can also handle various node tasks, Ethereum and Bitcoin/Altcoin, from automated creating and...

As a Young, Talented Full Stack JavaScript Developer with a passion for constant improvement and finding new ways to streamline workflow. At the moment React.js is the best of my skill but also have solid knowledge and wide & practical experience developing web, mobile and desktop applications using Vue.js as well as diverse Node.js frameworks and libraries. Offers proven track record of extraordinary achievements, strong attention to detail, and ability to finish projects on schedule and within budget. ✅ Core Skills ✓ JavaScript, TypeScript, ES5/6/7, Node.js ✓ React, React Hooks, Redux, Next.js, React Native ✓ Vue.js, Vue Composition API,...

I've been working in the crypto area for over 5 years now and have headed some great projects previously which raised thousands of crypto assets. I am a Website and Web Application Developer working with my expert team looking for DeFi Crypto-related projects, coin and token creation, DEXs, building custom dapps, crypto lending and payment solutions. 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝗜 𝗼𝗳𝗳𝗲𝗿: ✔ ERC20, ERC777, ERC223, ERC721, ERC1155 Smart Contract Development ✔ Stable, Utility, Security, Investment ✔ ICO, IDO, STO, Presale, Blockchain Copyrighting, and Whitepapers ✔ Decentralized Exchange ✔ Impermanent loss, governance tokens ✔ Portfolio Tracking...

I specialize in high performance modern frontend solutions with API integrations and Web3. Actually I'm a frontend developer (JavaScript | React.js | Python | Web3.js | Ethers.js), which could build interactive experiences for web applications and solve any challenging problem that occur. I am an old hand in developing responsible layouts from scratch using modern technologies such as HTML5, CSS3 and JavaScript framework (React, Python or Vue). The stack: - React.JS + Mobx + JSX - Python / Django - Vue.js / Vuex / Vuetify - Node.js, deploying sites on the NodeJS server - JSON, AJAX, API - Gulp (created own and permanently update it) /...

Do you want a secure, performant dApp and smart contract for your new blockchain project? I bet you do. Blockchain is an amazing technology that is taking over the world, and you are probably reading this because you don’t want to be left behind. 😧But, besides all the excitement, you still feel confused about the constant new crypto technologies and platforms that are popping out every second. 😧You also probably dealt with people that delivered a buggy dApp or a smart contract full of vulnerabilities ⭐How awesome it would be if you could work with an expert that knows the best security and performance practices to get your crypto...

I have 7+ years of experience as a full-stack Blockchain developer. Each project begins with a detailed analysis of the client's business and marketing with regular and timely communication. I believe in transparency and offering high-quality services. Why me? - Among the Top 50 Blockchain Developers - Top-rated plus - 5 star reviews - 7+ years experience in Blockchain - Very dedicated to my work - Delivering work on a given timeline My area of expertise and accomplishments in: - Web Development - Web Designs - Launchpad (IDO | ICO | IEO | STO | ETO) - NFT Minting and Marketplaces - Smart Contract Development - Crypto Exchange...