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  •     kyshkalex
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    kyshkalex kyshkalex

    Ukraine 25$ USD / saat
    Full stack | Blockchain developer
    Ukraine
    Hi, I am Oleksii. I have been developing Web & Mobile apps for 5+ years. High quality & amazing speed, Reliable credit, Good Communication, these are all my main characters I am trying to achieve. I have worked for many Companies and Clients to provide the best services and satisfy them with my efforts. Through this,...
    Hi, I am Oleksii. I have been developing Web & Mobile apps for 5+ years. High quality & amazing speed, Reliable credit, Good Communication, these are all my main characters I am trying to achieve. I have worked for many Companies and Clients to provide the best services and satisfy them with my efforts. Through this, I have worked with some experienced developers for lots of complex projects, so I learned a lot how to work as a developer and I also could obtain very worthful experience I will always do my best to keep my characters and improve my certificates My skills: - ?UI/UX design by Figma and AI - ?Web development(Full stack) ✔Basic: HTML, CSS, Tailwindcss, JavaScript, JQuery, PSD to HTML ✔Frontend: React/Next, Vue/Nuxt, Angular ✔Backend: PHP(Laravel, CodeIgniter), Nodejs(Express, Nestjs, Loopback), Python(Django, Flask) ✔CMS: Wordpress, Shopify, Woocommerce, Wix, Magento - ?Mobile development ✔Native apps: Java, Kotlin, Android ✔Hybrid apps: React Native, ionic, Flutter - ?Vercel, Heroku, AWS, Google Cloud Platform, Firebase, Hosting & Server management, Payment(Stripe&Paypal), etc - ?CRM, ERP, Blockchain Software development ✔Lang&Lib: Solidity, Web3.js, Openzeppelin ✔Dev Fields: NFT, DeFi, Dex, Dao ✔Network: Ethereuem, Binance, Matic, Cronos, Avanlanche ✔Compiler&Platform: Hardhat, Truffle, Remix I have been trying hard to provide 100% satisfaction and more help to my clients. I am ready. Thank you Regards. daha az
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  •     ruslokot
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    ruslokot ruslokot

    Ukraine 30$ USD / saat
    Blockchain Engineer && Fullstack Developer
    Ukraine
    Starting from middle of 2018 began proactively working on blockchain related projects as a Blockchain software engineer. My experiences range from creating both front-end blockchain applications to backend architecture design and implementation, smart contract development, testing, auditing and development for Fintech...
    Starting from middle of 2018 began proactively working on blockchain related projects as a Blockchain software engineer. My experiences range from creating both front-end blockchain applications to backend architecture design and implementation, smart contract development, testing, auditing and development for Fintech and other industries that need the power of decentralization, tokenization, and smart contracts. Expertise in Public Blockchain Platforms: Ethereum | Solana | Binance Smart Chain ✓ Developing smart contracts by Solidity and Rust programming languages. ✓ Developing RPC using client libraries such as Web3js. ✓ Static analysis of smart contracts for gas consumption and optimization using Remix IDE. ✓ Securing smart contracts using libraries like OpenZeppelin. ✓ Developing Ethereum dApps using Truffle framework. ✓ Integration with crypto wallets such as Metamask & Phantom. ✓ Deploying smart contracts on test networks such as ropsten/rinkeby as well as ethereum/solana mainnet. Expertise in Private & Consortium Blockchain Platforms Hyperledger Fabric ✓ Developing Chaincode using the Go programming language. ✓ Developing proof of concepts using Hyperledger Composer. ✓ Integration with Fabric Java SDK. ✓ Creating RESTful APIs for client applications to communicate with the blockchain network. ✓ Creating channels, orderers, and peers. ✓ Deployment and instantiation of Chaincode on channels on cloud services like IBM Bluemix and Amazon AWS. I hold expertise with: - Solidity / Rust / Golang - React.js / Express.js / Vue.js / Next.js / Angular.js / Redux /Node.js - Laravel - MySQL / MongoDB / PostgreSQL / MSSQL - Heroku / VPS / Amazon Web Services (AWS) / Digital Ocean - Github, Gitlab, Bitbucket, Trello, Backlog, etc. Here are the applications that I've built so far. - Dapp, DeFi development - NFT game/marketplace development on Ethereum & Solana blockchains in Solidity & Rust - Ethereum & Binance Smart Chain token development on ERC20, ERC721, ERC1155, BEP20, BEP721 & BEP1155 protocols - ICO / ITO / IDO / STO, Cryptocurrency exchange & Cryptocurrency wallet Development Further Expertise & Work Deliverables in Blockchain: ✓ DApp for Supply Chain Management for Food Industry ✓ DApp implementation in Philanthropy ✓ DApp for Anti-Counterfeiting in the Pharmaceutical Industry ✓ Worked on Protocols like Ethereum, IBM Hyperledger, Stellar ✓ SetUp of a Permission-based Consortium Network ✓ Implementation of Private, Public and Permission-based network Thanks. daha az
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  •     khanmaiprogram
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    khanmaiprogram khanmaiprogram

    Ukraine 25$ USD / saat
    Blockchain | Full Stack | Desktop App
    Ukraine
    Outstanding experience in various fields, such as web and blockchain, desktop app. Esp, I am an experienced blockchain developer having vast knowledge of EVM (Ethereum Virtual Machine) and Solidity. I have worked on many complex block chain projects like Token development, Dapp (Decentralized Application)...
    Outstanding experience in various fields, such as web and blockchain, desktop app. Esp, I am an experienced blockchain developer having vast knowledge of EVM (Ethereum Virtual Machine) and Solidity. I have worked on many complex block chain projects like Token development, Dapp (Decentralized Application) development. - Cryptocurrency tech: ☑️ Blockchain development ☑️ Bitcoin Node, Lite Coin Node, Doge Node setup ☑️ Block chain API setup ☑️ Block chain Payment setup ☑️ Token development ☑️ Cryptocurrency Development ☑️ ICO Contract, Staking Contract, Liquidity locker, Token locker ☑️ Dapp development ☑️ Launching ico in your own Dapp ☑️ Pancakeswap, Uniswap forking ☑️ Block chain node setup ☑️ Server Setup Configuration and management ☑️ Web Application Deployment and maintenance ☑️ SSL Certificate installation and management ☑️ Dockerization of any complex application ☑️ Dockerising and containerizing any web application ☑️ Blockchain Development and Contract Deployment to different blockchain networks like Eth, Bsc, Hydra and so on. - Web tech: ☑️ Javascript, Node/Express, React, Vue, Web3js ☑️ Laravel, CodeIgniter, Yii ☑️ React, Vue, Angular, Node/Express ☑️ WordPress, Shopify, Wix, Joomla ☑️ Chrome extension, Automation script ☑️ Python, Flask, Django, Webscraper ☑️ MongoDB, PostgreSQL, SQLServer, MySQL - Desktop App tech: ☑️ C ☑️ C++ ☑️ C# ☑️ Java ☑️ JavaFx ☑️ Python ☑️ VBA daha az
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  •     milosjovanovic88
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    milosjovanovic88 milosjovanovic88

    Serbia 50$ USD / saat
    Professional Software Developer
    Serbia
    I’m a responsible and professional developer just tryna look back on my life and be proud I lived it how I wanted. I am a highly competent software engineer and developer with extensive and resourceful knowledge of all the software, such as website, mobile app, desktop application, and many more. I have worked on...
    I’m a responsible and professional developer just tryna look back on my life and be proud I lived it how I wanted. I am a highly competent software engineer and developer with extensive and resourceful knowledge of all the software, such as website, mobile app, desktop application, and many more. I have worked on numerous projects from concept to completion. Leading all phases of diverse technology projects, computer programming, and business finance experience. Courage, It's not too late to build a better world. Alone we can do so little; together we can do so much. Let's go together! daha az
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  •     Pirrama
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    Pirrama Pirrama

    Ukraine 30$ USD / saat
    BlockChain @ MERN Stack Expert
    Ukraine
    Hello. If you are looking for someone to accomplish your idea with high responsibility, please don't hesitate to contact me. I am a senior web developer with 10+ years of experience and a skilled man who can complete your work with 100% honesty. I push myself to create high-quality work while keeping an eye for the...
    Hello. If you are looking for someone to accomplish your idea with high responsibility, please don't hesitate to contact me. I am a senior web developer with 10+ years of experience and a skilled man who can complete your work with 100% honesty. I push myself to create high-quality work while keeping an eye for the most minute details to ensure a product that won’t fail. Furthermore, I really enjoy this type of work, as I make new and awesome projects come to life for clients with a dream. I will do my best to provide the perfect product for you. I can help you with the following skills to achieve your goal. ------------------------------ BlockChain------------------------------- ✔️NFT (Non Fungible Token) Marketplace Development ✔️Dex Development ✔️ Cryptocurrency Wallet Development for Linux, windows, Mac, Web. ✔️ICO & IDO ✔️ Smart-Contracts (Solidity, Truffle or hardhat framework) ✔️Token development based on Ethereum and Binance (ERC20, ERC721, ERC 1155, BEP20, BEP721, BEP1155) ✔️ Private or public Blockchain Development with Go and rust ✔️ Dapp building with react.js ------------------------------ MERN Stack-------------------------------- ✔️ Frontend: React(Redux, Hook, Router), React Bootstrap, Material UI React, Ant Design React, Fuse theme, Tailwind CSS, MD Bootstrap, JavaScript, TypeScript and Responsive design. ✔️ Backend: Node.js(Express, Cors, Socket.io, Axios, Multer, Passport, Jwt), Angular.js ✔️ Database: SQL, MySQL, MongoDB, PostgreSQL. ------------------------------ Services ----------------------------------- ✔️ Responsible communication (any time) ✔️ Flexible Time Zone ✔️ Deliver Daily or Weekly results. ✔️ Full Time(30~40h/week) Development with a weekend. Thanks for reading my profile. Best regards. daha az
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  •     Rel1Ab1l1ty
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    Rel1Ab1l1ty Rel1Ab1l1ty

    Belarus 25$ USD / saat
    Blockchain and Fullstack Developer
    Belarus
    ⭐⭐⭐⭐⭐ Creations Beyond Imaginations!⭐⭐⭐⭐⭐ ☀effectiveness, high quality, and fastest delivery, maintenance☀ My experiences range from creating both front-end blockchain applications to backend architecture design and implementation, smart contract development, testing, and development of dApps for Fintech and other...
    ⭐⭐⭐⭐⭐ Creations Beyond Imaginations!⭐⭐⭐⭐⭐ ☀effectiveness, high quality, and fastest delivery, maintenance☀ My experiences range from creating both front-end blockchain applications to backend architecture design and implementation, smart contract development, testing, and development of dApps for Fintech and other industries that need the power of decentralization, tokenization, and smart contracts. I always see the world through clients' eyes and give the first priority to the success on their businesses. I work closely with project stack holders and end customers to provide an effective, visually appealing, and intuitive implementation. ✌Have technical expertise with the following Technologies✌ Blockchain ⚡Smart contract, Custom Blockchain, Cryptocurrency, dApps, Crypto AppDevelopment ⚡Cryptocurrency Wallet and Exchange Applications ⚡Blockchain Consulting, Testing, gambling ⚡Ongoing Blockchain Development Support and Maintenance ⚡ERC20 ETH & BSC Tokens, ICO, (ERC20, ERC777, ERC223, ERC721, ERC1155 Token development) ⚡NFT minting website, Smart contract, Generating NFT images,NFT metaverse game ⚡Decentralized Exchange Platforms ⚡Crypto currency swap platform, Coin bridge, Crypto lending platform ⚡P2P crypto exchange platform like localbitcoin ⚡Sophisticated smart contracts or NFTs on leading blockchains such as Ethereum, Bitcoin, Binance, Stella, and Cardano. ⚡NFT minting site, NFT marketplace with fashionable UI and IPFS in Ethereum, Cardano, Binance, Solana, etc. ⚡Web3 and digital wallet integration like MetaMask, Phantom ⚡Building DeFi & Dex ?Full-Stack development? ⚡ Client-side: React.js(Redux,Saga,Recoil,Hook), Next.js, Typescript, GraphQL, ReactNative, Vue.js, Nuxt.js, Angular ⚡ Server-Side: Node.js, Express.js, Koa.js, Go, Rust, Python, Django, PHP, Laravel ⚡ DATABASES - MongoDB, PostgresQL, Oracle, MySQL, MariaDB, SQLite, and Microsoft SQL Server. My Service ⚡Full-time developer (40+ hours per week). ⚡Meet client requirements. ⚡Unique and creative designs. ⚡100% on-time delivery of the product. ⚡I can work in your time zone ⚡Update the result every day. ⚡100% ongoing satisfaction with your project. ⚡Provide the result with high quality. ⚡Free Bug-Fix support for 2 months after completion. ⚡ Fast response and good communication skills. ⚡ well-organized/commented code. ⚡ SEO friendly, semantic markup, and load speed optimization. ⚡Testing and cross-browser / cross-device compatibility. ⚡Editable, easy to manage, and user pleasuring UI ⚡Secure Backend ⚡31 days warranty period I only accept projects that I am absolutely certain I can accomplish and offer my services and knowledge in the most professional conduct possible. All tasks which I told I can do will be completed 100% perfectly and you will be satisfied with my work! Always, I believe in long term business relationship and always provide high-quality work at a fair price. Thanks for taking the time to read through my profile, and I hope to speak with you soon! daha az
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  •     AntonBukas
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    AntonBukas AntonBukas

    Belarus 40$ USD / saat
    Blockchain Developer
    Belarus
    Metaverse | NFT | DAO | Tokenomics | Solidity | Crypto | Ethereum | I have worked on many DeFi and Dapps based on Ethereum Blockchain and I have extensive 5+ years of experience in developing and writing Smart Contracts for Ethereum Blockchain. I am expert with Tokenomics and have written several whitepapers too, I...
    Metaverse | NFT | DAO | Tokenomics | Solidity | Crypto | Ethereum | I have worked on many DeFi and Dapps based on Ethereum Blockchain and I have extensive 5+ years of experience in developing and writing Smart Contracts for Ethereum Blockchain. I am expert with Tokenomics and have written several whitepapers too, I have also used Web3 to integrate several Smart contracts of different blockchain to frontend designs. I have 2+ years of experience using web3 I am expert with Tron Blockchain too and have written several smart contracts in Tron along with made several Defi and Dapps too using Tron Network. With Binance Chain and Binance Smart Chain I have developed several Defi and Dapps and written 100+ smart contracts and deployed it in Binance Smart Chain and Binance Blockchain. I am expert in Uniswap, Sushiswap, Swapping tokens, Staking, Yield Farming, Lottery Smart Contracts etc I have worked on multiple coding and business start-up projects related to blockchains and crypto assets/coins, gaining experience covering blockchain, consensus algorithms, Hyperledger, bitcoind, geth, ethminer, ethash, ERC20 tokens, JSON RPC, transactions, testnets, on-chain atomic swaps, cryptocurrency mining, coin trading, exchanges (both centralized and decentralized), and 'crypto ecosystem' modelling. I run my own full nodes for BTC, ETH and ETC. I have contributed to multiple whitepapers, and been involved in several completed ICOs. I have developed 120+ Crypto Exchange and ICO Platform and helped several clients raise and earn million of dollars worth of Crypto. I have worked with all the popular blockchains like EOS, Stellar, Waves, Ripple, Bitcoin, Solana, Ethereum and Steem etc I am also expert in all cryptocurrency exchange APIs (BitMEX, Bittrex, Binance, Bitfinex, Kraken, Poloniex, Gdax etc.). As for blockchain technologies, experience programming a hardware bitcoin/litecoin miner, Truffle, Solidity, Ethereum smart contracts and using Ethereum ecosystem is available. I enjoy working in multicultural environments as well as in client-facing roles. Skills: Python, Java, PHP, Truffle, Solidity, NodeJS, VueJS, Laravel and all the related technology stack. Experienced Full Stack web & blockchain developer with more than 10 years of practice and amazing experience in new cryptocurrency creation, NFTs, Defi/DEX dApps and etc. I'm developing reliable, testable and high performance web using top-notch technologies. Blockchain Development: • Smart Contract Development • Solidity • NFT Marketplace • DeFi (Decentralized Finance) • Remix • Truffle • Ethereum Chain • Binance Smart Chain • Solana - Backend: PHP(Wordpress, Laravel), Node.js, Python/Django, Ruby on Rails, .NET - Frontend: ReactJs, Angular, Vue.js, Backbone.js, Bootstrap, HTML5, CSS3 - Databases: MySQL, PostgreSQL, MongoDB, Redis daha az
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  •     Stevendcopper
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    Stevendcopper Stevendcopper

    United States 65$ USD / saat
    Blockchain developer
    United States
    I'm Blockchain developer Backend developer : NodeJS,.NetCore since 2002 Frontend developer : HTML5,js,jquery,angular,react since 2002 Database developer : mysql,MSSQL server,Postgresql since 2000 Blockchain developer : Solidity, Web3, Bitcoin,Ethereum...
    I'm Blockchain developer Backend developer : NodeJS,.NetCore since 2002 Frontend developer : HTML5,js,jquery,angular,react since 2002 Database developer : mysql,MSSQL server,Postgresql since 2000 Blockchain developer : Solidity, Web3, Bitcoin,Ethereum node,ERC-20, ERC-721(NFT), ERC-777 since 2016 Software Architect : Flowchart, UML since 2004 Source Control : TFS, Git since 2014 UI/UX Design : PSD, Adobe XD since 2005 Programming Skills : JS,C#,C,C++,CSS,HTML,JAVA Join to my client and enjoy forever all your IT production daha az
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  •     kristyelsuweb
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    kristyelsuweb kristyelsuweb

    Russian Federation 35$ USD / saat
    Full-stack Web & Blockchain Developer
    Russian Federation
    SENIOR WEB & BLOCKCHAIN DEVELOPER Passionate Senior Developer with 5+ years of experience in Blockchain, Ethereum, and NFT with modern, trending technology such as React, Vue.js, etc. Highly skilled at several trending technologies and provide you with competitive and best results, which will bring us futuristic...
    SENIOR WEB & BLOCKCHAIN DEVELOPER Passionate Senior Developer with 5+ years of experience in Blockchain, Ethereum, and NFT with modern, trending technology such as React, Vue.js, etc. Highly skilled at several trending technologies and provide you with competitive and best results, which will bring us futuristic cooperation. Available for 30+hr/week on your time zone. Preferable Skills Web Development: Laravel, CodeIgniter MERN/MEAN Stack (MongoDB, Express, Angular, React, Vue, Node) Python (Django, Flask) .NET(ASP .NET) Database Development MySQL, PostgreSQL, MSSQL, SQLite MongoDB GraphQL Cryptocurrency: Solidity, NFT, Ethereum, Smart Contract, Blockchain In Team Development, Github, Jira, Trello, Bitbucket Creative minds inspire others and my goal is to share my creativity with clients! With all of my extensive skills and honesty, I'll try my best to provide perfect products based on trusts. Let's THINK, CREATE, and ACHIEVE new things together. Thank you. daha az
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  •     ivsergeev99
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    ivsergeev99 ivsergeev99

    Russian Federation 40$ USD / saat
    PHP & JavaScript Developer
    Russian Federation
    Specialist in project implementation using modern web technologies (MERN / MEVN / MEAN stack). I have experience: - MERN, MEAN, MEVN - Backend Development on several languages ( PHP, Ruby, Java, Golang ) - CI / CD builds. - Application of Agile, DevOps approaches. - Integration with API. (REST / JSON / SOAP) - AWS /...
    Specialist in project implementation using modern web technologies (MERN / MEVN / MEAN stack). I have experience: - MERN, MEAN, MEVN - Backend Development on several languages ( PHP, Ruby, Java, Golang ) - CI / CD builds. - Application of Agile, DevOps approaches. - Integration with API. (REST / JSON / SOAP) - AWS / Bluehost / Godaddy I have a technical outlook, constantly studying various aspects in a wide range: - AI, ML - Blockchain I would be glad to work here with worldwide clients. My Goal is not to please my clients, my major Goal is to amaze them. daha az
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