Hire the best Solidity Freelancers in New York, NY

Check out Solidity Freelancers in New York, NY with the skills you need for your next job.
  • $50 hourly
    Software Architect with over 8+ years of extensive experience in software development, more than half of that worked as a Team/Tech Leader. Has experience in creating scalable high-performing platforms and understanding their behaviors and bottlenecks. Available 24/7 for Zoom/google meetings to discuss your projects in detail. Brief summary: -8+ years of professional experience in web development, Blockchain, Web3, Smart Contract, Ethereum, Rust - Highly skilled in technical architecture design for high-loaded products - Always willing to provide my suggestions related to product improvements - Follow best practices, creative and responsible - Strong organizational and problem-solving skills - Great experience of teamwork and team lead - Excellent skills in working under pressure and tight deadlines IT SKILLS -Blockchain: Web3, Solidity, Ethereum, Binance, Smart Contract, Cryptocurrency, Bitcoin, Fork, bot, BTC, EMC, Solana, ERC-20, ERC-721, ERC-1155, BSC, ETH, NFT, DeFi, Fintech, Metamask, API, Framework, Creating forks, token smart contract audit, cryptocurrency exchanges, integration with blockchain, smart contracts, coins, tokens, web3.js, uni swap, CeFi, GameFi, WAX, ICO, IDO. -Back-end stack: Node.js + NPM/YARN, PostgreSQL, ElasticSearch, Redis, MySQL, MongoDB -Front-end stack: JS ES5/ES6, HTML5, CSS3, SASS/LESS, XSLT, React, Angular, Vue, Tailwind, React Bootstrap, Bootstrap -AWS: EC2, ElasticCache, SQS, S3, Redshift, RDS, Lambda Libraries/FW: Express, Koa -Proxy server: Nginx -Task runner: Grunt, Bower -Module bundler: Webpack -BDD/TDD: Jasmine, Phantomjs, Mocha/Sinon/Chai ALM Tools: Jira + Confluence, Redmine, AWS, -Heroku CI/CD: Jenkins, TeamCity, Docker Most Recent Projects: Project Name: Arm NFT Description: NFT platform based on Solana with RUST. Technologies: RUST, Blockchain Web Url: arm.kryptomind.net ------------------------------------------------------------- Project Name: DUNK NFT Description: ETH based. Technologies: Solidity, React JS, Blockchain Web Url: dunk.kryptomind.net ------------------------------------------------------------- If you are looking for a reliable, creative, and experienced IT professional, you have come to the right place. I will eagerly become your longtime partner. Let's start to work together! Keywords: Blockchain, mint website, polygon, open-sea, metadata, rust, discord, ERC20, ERC721, dex, cex, smart contract, chatbot, GPT, ChatGPT, ChapGPT 3, ChatpGPT 4, Trading bot, nft, token, Ethereum, crypto, bitcoin, web3, dapp, solidity, crypto website, cryptocurrency, nft website, bep20, ui ux, nft website design, white paper, web3 dapp, whitepaper, smart contract audit, defi, Metaverse, contract, nft mint, bep20 token, erc20 token, Python, cross-chain, fork, responsive design, wallet app, cryptocurrency, web3 developer, blockchain developer, nft collection, white paper, beautiful soap, scrapy, selenium
    vsuc_fltilesrefresh_TrophyIcon Solidity
    Machine Learning
    FinTech
    Smart Contract
    LLM Prompt
    DApps
    DeFi
    NFT Marketplace
    Chatbot
    Rust
    React
    Ethereum
    Blockchain
    Python
  • $65 hourly
    I'm a seasoned developer with expertise in advanced blockchain solutions, smart contracts, web development, and design. With a passion for innovation and a keen eye for detail, I've dedicated myself to helping businesses materialize their digital aspirations. My Specializations: Blockchain Solutions: Blockchain Advisory: Strategic guidance to help you unravel the intricacies of the blockchain world. Blockchain Consulting: Personalized strategies to tap into the immense potential of blockchain technology. Smart Contract Development: Craft secure and efficient smart contracts to optimize your business operations. Cryptocurrency Integration: Expertise in melding cryptocurrency transactions seamlessly into existing systems. Web Development & Design: Web Development: Build robust, scalable websites focused on delivering smooth user experiences. Web Design: Design aesthetics that are not only visually engaging but also resonate with your brand's identity. SEO Services: Adopt strategic SEO techniques to boost your online prominence. E-commerce Solutions: Develop e-commerce platforms tailored to your needs, ensuring user convenience and utmost security.
    vsuc_fltilesrefresh_TrophyIcon Solidity
    Blockchain
    Node.js
    WordPress
    Java
    React
    Visual Basic for Applications
  • $50 hourly
    As an Expert-Vetted freelancer, I am in the TOP 1% of ALL talent on Upwork meaning you’re working with the best of the best! With over half a decade of hands-on experience in the blockchain industry, I developed multiple innovative blockchain projects, transforming Web3 concepts into secure, profitable realities. In the vast world of blockchain, each project could either be a success or a failure. Security is not just a key aspect, it's everything. Your project must be shielded from numerous threats that have affected others negatively. We've observed too many projects falter and lose significantly due to vulnerabilities. My role is to ensure your project is robust and positioned for success. 🗣 ❞𝐄𝐱𝐭𝐫𝐞𝐦𝐞𝐥𝐲 𝐬𝐚𝐭𝐢𝐬𝐟𝐢𝐞𝐝 𝐰𝐢𝐭𝐡 𝐭𝐡𝐞 𝐫𝐞𝐬𝐮𝐥𝐭𝐬 𝐨𝐟 𝐭𝐡𝐞 𝐩𝐫𝐨𝐣𝐞𝐜𝐭. 𝐃𝐢𝐞𝐠𝐨 𝐬𝐡𝐨𝐰𝐞𝐝 𝐧𝐨𝐭 𝐣𝐮𝐬𝐭 𝐡𝐢𝐬 𝐭𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐬𝐤𝐢𝐥𝐥𝐬, 𝐛𝐮𝐭 𝐡𝐢𝐬 𝐚𝐛𝐢𝐥𝐢𝐭𝐲 𝐭𝐨 𝐚𝐧𝐭𝐢𝐜𝐢𝐩𝐚𝐭𝐞 𝐩𝐨𝐭𝐞𝐧𝐭𝐢𝐚𝐥 𝐢𝐬𝐬𝐮𝐞𝐬 𝐚𝐧𝐝 𝐩𝐫𝐨𝐚𝐜𝐭𝐢𝐯𝐞𝐥𝐲 𝐩𝐫𝐨𝐩𝐨𝐬𝐞 𝐢𝐧𝐧𝐨𝐯𝐚𝐭𝐢𝐯𝐞 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬.❞ ⭐⭐⭐⭐⭐ BENEFITS OF WORKING WITH ME 🛡𝐒𝐞𝐜𝐮𝐫𝐢𝐭𝐲 𝐅𝐢𝐫𝐬𝐭: Beyond creating unbreakable smart contracts, we instill confidence. Let's make your project a fortress in the Web3 realm. 📈𝐅𝐢𝐧𝐚𝐧𝐜𝐢𝐚𝐥 𝐆𝐫𝐨𝐰𝐭𝐡: By prioritizing gas optimization and smart contract efficiency, our scalable solutions pave the way for exponential financial growth. 📞𝐓𝐫𝐚𝐧𝐬𝐩𝐚𝐫𝐞𝐧𝐭 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐜𝐚𝐭𝐢𝐨𝐧: Expect regular updates, clear explanations, and honest advice. Your trust is our currency. ⚙️𝐓𝐚𝐢𝐥𝐨𝐫𝐞𝐝 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬: Whether it's DeFi, NFTs, or custom blockchain applications, we adapt our expertise to meet your project's unique demands. NEXT STEPS 🚀𝗠𝐞𝐬𝐬𝐚𝐠𝐞 𝗺𝗲 𝐭𝐨 𝐝𝐢𝐬𝐜𝐮𝐬𝐬 𝐲𝐨𝐮𝐫 𝐩𝐫𝐨𝐣𝐞𝐜𝐭 𝗶𝗻 𝗮 𝗰𝗮𝗹𝗹. I’m always willing to share my knowledge, and it gives us a chance to see how well we could work together.
    vsuc_fltilesrefresh_TrophyIcon Solidity
    Full-Stack Development
    React
    Security Testing
    Website
    Next.js
    Blockchain
    DApps
    DApps User Experience
    Web3
    Smart Contract Development
    JavaScript
    TypeScript
    Ethereum
    DApp Development
  • $90 hourly
    - 9+ years in general purpose software development. - 7+ years in Javascript server and front-end development - 4+ years in Python development - 4+ years with JVM languages (Java/Kotlin) - 3+ years in with low level languages Rust / C++ / Objective-C development - Architected and implemented DeFi protocols consisting of 300+ custom built Ethereum smart contracts. Lead smart contract engineering team of 5 other engineers. - Worked as a technical lead in software projects leading development teams of up to 10 people. - Was responsible for delivering projects from scratch with development being done by me on both back-end and front-end side of things for both web and native mobile. - Substantial Front-end web-development experience and good knowledge of React, Ember.js, Vue.js - 4+ years Solidity and general blockchain experience (ICO's, crowdsales, vesting, DeFi, DEXes, oracles) and production EVM assembly development experience - Significant amount of open-source contributions Technologies with which I have significant experience (4+ years): Javascript, Kotlin, Solidity, Java, Rust, Python, Typescript, React, Node.js, Mongo, SQL Technologies that I have worked with: React Native, Ember.js, Blockchain, Ethereum, Truffle, Vue.js, Objective-C, C++, PHP, Redux, Express.js, PostgreSQL, Django, Tornado, Scikit-learn, Tensorflow, OpenCV (in both python and objective-C++), MySQL, PouchDB/CouchDB, Flow, Numpy, Pandas, GDAL, Leaflet, Polymer, Bootstrap, CSS, SASS, jQuery, Nginx, UWSGI, PostGIS, Amqp, Redis
    vsuc_fltilesrefresh_TrophyIcon Solidity
    Blockchain Development
    Cryptocurrency
    Blockchain
    Smart Contract
    web3.js
    Webware
    Web Application
    Rust
    Web Development
  • $48 hourly
    As a Game Developer specializing in NFTs and web3, I create games and decentralized applications using Solidity on the Ethereum platform. My work focuses on writing smart contracts, optimizing blockchain transactions, and ensuring secure, transparent data. I have participated in developing more than 15 game projects using the Unity game engine. Skills & Exp: - Unity / Unity2D, Unity3D - C# - PC & Android & IOS & webGL deployment - IAP - Ads integration - GIT - JIRA - GPT API integration - Photon Unity Network - Network programming - Database management - ReactJS - HTML5 - Python
    vsuc_fltilesrefresh_TrophyIcon Solidity
    Python
    Web3
    HTML5
    React
    Mobile Game Development
    Game Development
    C#
    Unity
    Ethereum
    Blockchain Development
  • $110 hourly
    I have more than 4 years of experience in blockchain and smart contract development. Writing smart contracts, creating cryptocurrencies, and launching ICOs, with solidity and smart contract development in the Ethereum, Binance, Polygon-Matic blockchain networks. My skills are like follows: - Writing smart contract logic - Decentralized cryptocurrency exchange (DEX) - Binance smart chain development - Smart contract Audit - NFT, IPFS, Candy Machine V1,2, - ERC20, BEP20, ERC721, ERC1155 Token development - Token & Coin development - Solana, NFT - Staking, yield farming, lottery, prediction smart contracts You can expect high-quality results, clear and ethical communication, attention to detail, an aesthetic eye, and personalized, professional and friendly service. Regards.
    vsuc_fltilesrefresh_TrophyIcon Solidity
    Blockchain
    Solana
    web3.js
    Blockchain Architecture
    DApps
    NFT
    React
    Rust
  • $50 hourly
    I am a highly motivated self-driven developer with over 3 years of experience in Blockchain and Web technologies. I am passionate about emerging technologies and maintain a strong foundation in these fields. My career has allowed me to boost startups and businesses within the IT industry while establishing a successful employment history. First and foremost, my focus would be on fulfilling your needs.
    vsuc_fltilesrefresh_TrophyIcon Solidity
    Smart Contract
    Blockchain
    styled-components
    Tailwind CSS
    Laravel
    TypeScript
    Next.js
    ExpressJS
    MongoDB
    React
    Django
    Node.js
    MySQL
  • $70 hourly
    Hi guys! I can help you develop and launch your NFT or any web3 project! I have previously worked on launching different NFT collections and deploying full-featured white-label NFT marketplaces on Mainnet. What I can do: - Front-end Development (Pixel-Perfect, RWD) > React, Next.js > Styled-components, Tailwind CSS, Material UI, Chakra UI - Back-end Development > Node.js, Express, Nest.js, Typescript > Laravel > MySQL, MongoDB, PostgreSQL - Smart Contract development - Landing page development - Web3 integration to your website - NFT minting on your website - Collection generation from your artwork - Technical assistance during your project - White-label NFT marketplace development and deployment
    vsuc_fltilesrefresh_TrophyIcon Solidity
    MERN Stack
    Smart Contract
    web3.js
    API Development
    MySQL
    MongoDB
    Vue.js
    Python
    CSS
    React
    Node.js
    Amazon Web Services
    HTML
    Laravel
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