Best Solidity freelancers for Hire

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We found 19 Solidity Freelancers for Hire. Post a job for free and hire a freelancer with the skills and reputation to get your task completed.

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Spyros Paraskevopoulos

Consultant, software developer, researcher, economist, electronics Greece
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18
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I am a passionate researcher with internationally recognized publications in economics and technical disciplines, but also mathematics. Most of my work has been published under pseudonyms and some of it was never credited to me or to any of my pseudonyms, when it was contributed in a context of a University team. I hope no one has to suffer such a fortune, ever. I have also studied for two years object oriented software development with Java. In addition, I offer fee and commission based services as a crypto-consultant (btc, altcoins, etc.). You may check out my web site @ https://cryptoconsultant.services/ Currently, I look for opportunities in relevant technical fields.

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Ararat Tonoyan

Blockchain and Web develope Russian Federation, Kursk
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15
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✅ Lead Developer With 5+ Years Of Experience | Top Rated Freelancer. Hi, I am a professional web and blockchain developer with a huge practice in this field. I like to build interesting applications that matter. The shortlist of my professional skills: ✅ - Decentralized applications (DApps) ✅ - Difficult and scalable smart contracts ✅ - Websites (frontend/backend) ✅ - API & Microservices ✅ - Architecture and tech stack consulting Expanded list: 🔗 Blockchain Development Stack ✅ - Decentralized application development (DApps) ✅ - Smart contracts development ✅ - Architecture and technological stack planning ✅ - Solidity programming ✅ - UNIT tests ✅ - Protocols, state channels and sidechains development ✅ - Assembly code blocks integration ✅ - Chainlink integration ✅ - Any type of digital assets development 🌐 Web Development Stack ✅ - HTML, CSS ( html5, css3, sass, bootstrap ) ✅ - JavaScript ( es 6-10 ) ✅ - Web3 Js ✅ - React Js ( redux ) ✅ - React Native ✅ - Angular Js ( 1.x ) ✅ - Vue Js (vuex) ✅ - jQuery ✅ - Node Js / Express ✅ - Databases ( firebase firestore, mySQL, postgreSQL ) ✅ - Docker ✅ - Wordpress website creation from scratch ✅ - Deployment on shared/VPS hostings I do believe I can bring my fresh set of ideas to your projects. I'm sure we will enjoy working together. I always open to consulting, so feel free to contact me. Looking forward to talking to you soon.

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135 USD/hour
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Sukhvinder Singh

Blockchain Developer India, Ludhiana
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13
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Web and mobile developer focussed on blockchain and crypto-related projects, building custom Apps, crypto gambling and betting platforms, trading platforms and exchanges, crypto lending and payment solutions. Last 3 years I have worked on several successful DeFi and FinTech startups (drop me a line to see my full portfolio as a blockchain developer). Solutions I provide: ✔ DEX and Centralized Crypto Exchange ✔ Advanced Trading Platform (Stocks, CFD, Forex, Option, Features...) ✔ Portfolio Tracking Platform ✔ Web/Mobile Wallet ✔ Crypto Betting and Casino ✔ Yield Farming Protocols ✔ Liquidity Mining Protocols ✔ P2P/Pool Lending and Borrowing ✔ Crypto Collectible Platforms and Non-Fungible Tokens ✔ Custom dApps ✔ ERC20, ERC777, ERC223, ERC721, ERC1155 Smart Contract Development ✔ Forsage, Linos Share, BestMining like MLM Crowdfunding HYIP Platforms ✔ ICO, STO, Blockchain Copyrighting and Whitepapers ✔ API Development and Integration: blockchain.info, inrura.io, poloniex.com, bitfinex.com, hitbtc.com, coinbase.com, kraken.com, cex.io, coinmarketcap.com, cryptokitties.co, uniswap.org, aave.com, yearn.finance, sushiswap.org ✔ DeFi development: Yearn, Uniswap, Curve, Balancer, Synthetic, Compound, Aave, Mooniswap, Fulcrum, dYdX, Sushi Swap, Zapper, Maker, insstaDApp, Bancor, Loopring, Polkadot, Substrate, WBTC, RenVM, DDorce, mStable, Alchemy, Binance Launchpool (BellaProtocol), MLM, NFT, BakerySwap, Pickle, Fortube, PerlinX, UMA Project, YFV, YFII, Synthetix, dForce, Swerve, Zoom Protocol ✔ Blockchain stack : Web3, Solidity, Infura, Truffle, MIST/Remix, BTC, ETH, TRON, USDT, YFI, Bel ✔ Wallets and Clients: MEW, Geth, Parity, Gemini Mist, Metamask, Ganache Web Stack: ✔ Web3.js, Ethereum, Solidity, Truffle ✔ PHP / Laravel / Yii (2) ✔ HTML (5), CSS (3), LESS, Sass, Bootstrap (3/4) ✔ JavaScript/ Typescript, Vue.js, React.js, Node.js ✔ MySQL, MongoDB, Redis ✔ 3rd Party API Integrations ✔ TDD methodology (Unit-testing) Excited to join any interesting projects alone or together with my team. Just drop me a line!

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60 USD/hour
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Théo Richard

Blockchain developer France
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11
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I help entrepreneurs to implement software solutions based on the blockchain. Technically speaking, I have familiarised myself with solidity, web3.js/ethers.js, truffle/hardhat and different tokens standards (ERC20, ERC721, ERC1155, BEP20) while using other tools such as EIP-2981 (NFT royalties) and the peer to peer protocol IPFS since less than a year. GitLab CI/CD, Docker (Dockerfile + docker-compose), Prettier, ESLint, Husky and Lint-staged are fundamentals blocs for Git repositories infrastructure. About my workflow I use a mix of Feynman technique, Pomodoro whitelisted and scrum to be efficient and deeply focused. I am reachable via Telegram: https://t.me/th_rchrd GitLab repo: https://gitlab.com/Theo6890 Twitter: https://twitter.com/BlocksCreatorz YouTube: https://youtube.com/channel/UCzyxKL10VYwxKhViSHGeiag

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90 USD/hour
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Arsen Hutsal

Solution/Software Architect Ukraine, Ternopil
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6
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[ 25+ years in software development, 20+ years in business ] [ 18 y/o - Manager of Software Development Dept 19 y/o - Business owner 30 y/o - Chief Software Architect 35 y/o - Tech Adviser in startups, Startup owner 40 y/o - Vice President of Development [Java [Javascript] [NodeJS] AI/ML, Data Mining, [IoT, VR, AR] enthusiast ]

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75 USD/hour
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