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  • Ansæt     yevhenvzlom
Ansæt     yevhenvzlom

    yevhenvzlom yevhenvzlom

    Ukraine $30 USD / timen
    Full Stack Blockchain Developer
    Ukraine
    Starting from 2014 began proactively working on blockchain related projects as a Blockchain Developer. 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...
    Starting from 2014 began proactively working on blockchain related projects as a Blockchain Developer. 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 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 - 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 If you are looking for a skilled and punctual developer, then hire me. I can assure you that your job will be done perfectly at the right time without making any mistakes. So if you feel interested, have faith in me and give me a chance to make your project successful. mindre
  • Ansæt yevhenvzlom
  • Ansæt     ddanul
Ansæt     ddanul

    ddanul ddanul

    Ukraine $30 USD / timen
    Full Stack | C/C++/C# | .NET | Python | Mobile
    Ukraine
    Skills: Web developer: - HTML(5), Nunjucks, Email letters; - CSS(3), LESS, SCSS, Stylus; - JavaScript, jQuery, Turbolinks, Vue.js, (Angular basics); - NodeJS (self-written templating engines, automation of various tasks), Gulp; - PHP(7), Composer, Laravel, Joomla, WordPress, OpenCart. Also familiar with CodeIgniter...
    Skills: Web developer: - HTML(5), Nunjucks, Email letters; - CSS(3), LESS, SCSS, Stylus; - JavaScript, jQuery, Turbolinks, Vue.js, (Angular basics); - NodeJS (self-written templating engines, automation of various tasks), Gulp; - PHP(7), Composer, Laravel, Joomla, WordPress, OpenCart. Also familiar with CodeIgniter (PHP Framework), MODX Revolution (CMS), 1C‑Bitrix (CMS), etc. - MySQL; - Android applications - from creating an account to publishing and promoting applications on Google Play, Cordova, Ionic Framework, Java basics; - API: Google(OAuth2, Maps, YouTube, Blogger); Emails(SendGrid, Mailgun); Messengers(chatbots for Telegram, Viber); Social multimedia(FB, VK); Advertising, Analytics, Marketing trackers, etc.; - Git. Devops: - Debian/Ubuntu Webmin + Virtualmin LAMP stack || VestaCP LAMP/LEMP stack = PHP web server, mail server, MySQL/PostgreSQL database server, DNS server, FTP/SFTP server, free SSL certificates, OpenVPN, android application build environment, etc.; - Using: OVH, Hetzner, Vultr, DigitalOcean, Google Cloud, Alibaba Cloud, etc. Graphics and multimedia: - Raster and vector graphics, custom fonts, PDF creation, conversion and editing, audio and video content editing; - Adobe Creative Suite: Photoshop, Illustrator, Acrobat, Audition, Premiere Elements; - Figma Search Engine Optimization (SEO), Advertising and Social Media Marketing: - SEO: semantic core, linking, correct html markup, schema.org(Microdata, JSON-LD) microdata, search snippets; - SMM: REST API of popular social networks, auto-posting, cheating, etc.; - Targeted advertising (including political), audience gathering, statistics analysis; - Creation and pumping of fake accounts for advertising. Project management systems: Jira(Next-gen software project types), Redmine(as a user), Trello. Internet anonymity: - anonymous operating systems (linux, windows, android), browsers, websites and servers, phone numbers, payment cards, instant messengers, mail and social networks. accounts that cannot be tracked by system, browser, location, IP and a number of other factors; - operating systems on VPS with browser access; - cryptocurrency wallets (BTC); - mobile phones with changeable IMEI; - not just the use of VPN, Proxy or Tor, but a whole range of tasks aimed at hiding digital traces. mindre
  • Ansæt ddanul
  • Ansæt     ernestpapyan
Ansæt     ernestpapyan

    ernestpapyan ernestpapyan

    Armenia $35 USD / timen
    Blockchain & Web & Mobile App Developer
    Armenia
    Experienced Blockchain & Web & Mobile Developer is adept in bringing forth expertise in the development of Blockchain & Websites & Hybrid Mobile Apps. Equipped with a diverse and promising skill-set which are listed below. Proficient in various Blockchain app & Website Frameworks & Hybrid Frameworks. Able to...
    Experienced Blockchain & Web & Mobile Developer is adept in bringing forth expertise in the development of Blockchain & Websites & Hybrid Mobile Apps. Equipped with a diverse and promising skill-set which are listed below. Proficient in various Blockchain app & Website Frameworks & Hybrid Frameworks. Able to effectively self-manage during independent projects, as well as collaborate as part of a productive team. My main skills are - Frontend: React/Redux/Next.js/Gatsby/GraphQL/Socket.io/Three.js/Tailwind CSS/Material UI/TypeScript/Three.js - Backend: Node.js/Strapi/ Express.js/Nest.js/Golang/ RESTful API - Blockchain ✓ Smart Contract, DeFi, in Ethereum, Solana, Avax, Wax, Algorand, Polygon,BSC, Polkadot ✓ DApps development ; Solidity/Rust + web3.js/ethers.js ✓ Solidity, Rust, Golang, C++, Java, Python ✓ Integration with crypto wallets such as Metamask. What I can do for you: ✓ Creating an exchange Trading platforms with 3rd part liquidity API, Margin trading etc. like binance.com, bybit.com, or Bitmex.com ✓ NFT marketplace, Defi/Dapp Development, DeFi Consulting (swaps, liquidity pools, borrowing and lending, yield farming, impermanent loss, governance tokens) ✓ NFTs (ERC-721, ERC-1155, Flow, BSC, Polygon, Rarible, Opensea, Nifty, etc) ✓ ICO| STO| IEO- Developing from scratch + Marketing ✓ Smart Contract (ERC20 + ERC21) and Audit ✓ IOT solutions using blockchain such as in Farming ✓ Peer to peer platform ✓ Wallet development (HOT /COLD/ETHER/P2P/ ETH WALLET) ✓ Cryptocurrency Pricing Website ✓ Crypto Arbitrage ✓ Forking coin - Database: MongoDB/ Fire store/ MySQL/ PostgreSQL - Project Management: GitHub / GitLab/ JIRA/ Trello/ Zoho - Mobile app: Flutter, React Native - Desktop application : ElectronJS (React/Angular/Vue), Python mindre
  • Ansæt ernestpapyan
  • Ansæt     mwaqas0401
Ansæt     mwaqas0401

    mwaqas0401 mwaqas0401

    Pakistan $30 USD / timen
    Metaverse | Smart Contract | NFT | DeFi | ICO |Web
    Pakistan
    Hello, I am Waqas, a Full-Stack blockchain developer with 6+ years of experience. Up to this point, I have worked with all the major chains, Bitcoin, Etherium, Solana, Stellar, and recently Ripple. I've been actively developing enterprise-grade products/applications and helping businesses leverage technology and...
    Hello, I am Waqas, a Full-Stack blockchain developer with 6+ years of experience. Up to this point, I have worked with all the major chains, Bitcoin, Etherium, Solana, Stellar, and recently Ripple. I've been actively developing enterprise-grade products/applications and helping businesses leverage technology and build robust solutions. My expertise lies in developing Crypto Wallets, Exchanges, NFT Market Places, Swapping, Forking, Bridging, and writing smart contracts. My core programming skills: * React, React.js, Node.Js, Electron * Solidity, Rust, ERC20, ERC721, Defi Apps, DEX * Python, Django, Django REST framework, Flask * PostgresSQL, MySQL, Redis, MongoDB * Docker, Docker Compose, CI/CD configuration * Automation and Scraping: Scrapy, Selenium, requests, BeautifulSoup, etc * Core web: XML, JSON, HTML, CSS, JavaScript. * WordPress, Shopify, WIX * Google Cloud, AWS, Azure * Git, GitLab, Bitbucket, Heroku Linux administration skills: * Apache, Nginx * TCP servers, Streaming servers like HTTPS or HLS (Wowza or Nginx Kaltura) * Linux, AWS, Google Cloud, Docker, Bash I won't say that I am BlockChain "Enthusiast", but honestly, there is nothing that I won't be able to develop for you, from simple presale websites with smart contracts deployed to actual trading bots like KELP {that can provide a huge list of active references}. Looking for Blockchain Services? I am your guy who's always happy to connect with like-minded professionals. :) mindre
  • Ansæt mwaqas0401
  • Ansæt     andrzejdewloper
Ansæt     andrzejdewloper

    andrzejdewloper andrzejdewloper

    Poland $40 USD / timen
    Best Talent | Passionate Geek | Perfect Work
    Poland
    I am a expert in statistics and machine learning. I have received master degree. I am also a professional Fullstack & Blockchain developer with rich experiences of developing smart contract, Defi, NFT marketPlace, Play-to-earn game, crypto platform, marketPlace, DEX. I've read your project detail carefully and I can...
    I am a expert in statistics and machine learning. I have received master degree. I am also a professional Fullstack & Blockchain developer with rich experiences of developing smart contract, Defi, NFT marketPlace, Play-to-earn game, crypto platform, marketPlace, DEX. I've read your project detail carefully and I can complete your project perfectly in time with high quality. We can discuss more about your project via the chat. I sincerely desire that your project will be successed and I will do my best. ✓ HTML5/CSS3, JavaScript, PHP, React.js, Next.js, Vue.js, Nuxt.js, AngularJS, WordPress, Laravel, Rudex.js, Express.js, Node.js, Nest.js, CodeIgniter, OpenCart, Magento, Squarespace. ✓ Android SDK, Java, Kotlin, Flutter, Dart, React Native, iOS/iPhone, Objective C, Swift. ✓ Python, Matlab, OpenCV. ✓ Smart Contract, Defi, in Ethereum, Solana, Avax, Wax, Algorand, Polygon, BSC, Polkadot ✓ DApps development ; Solidity/Rust, Smartpy, web3.js/ethers.js ✓ Solidity, Rust, Golang, C/C++ ✓ Python, Django, Flask, FastAPI, web2py, Rocket, MySQL, PostgreSQL MongoDB, NoSQL, React.js, Javascript, ✓ Ruby, Ruby on Rails, MVC, Mocking, RestAPI ✓ Java, Spring Boot, Hibernate, MVC, DI, IoC, ElasticSearch, Kafka, JavaFX, UnitTest. ✓ SQL and NoSQL (MySQL, MSSQL, PostgreSQL, InfluxDB, MongoDB), Redis ✓ Sytems Administration (DevOps, Docker, Apache, Nginx, Heroku) mindre
  • Ansæt andrzejdewloper
  • Ansæt     vitalikvaraksa
Ansæt     vitalikvaraksa

    vitalikvaraksa vitalikvaraksa

    Russian Federation $70 USD / timen
    Focused on BlockChain/Web3, Previous Web2
    Russian Federation
    Good morning/afternoon/evening from Vitaliy! I always welcome entrepreneurs & innovators to partner up with my highly experienced skills&stacks to implement your ideas into reality. Whether you need a website, coin or apps developed or even Digital Marketing campaigns executed, I am at your disposal. My best...
    Good morning/afternoon/evening from Vitaliy! I always welcome entrepreneurs & innovators to partner up with my highly experienced skills&stacks to implement your ideas into reality. Whether you need a website, coin or apps developed or even Digital Marketing campaigns executed, I am at your disposal. My best practices include considering all options available towards getting your idea live. I leave no stone unturned to deliver nothing less than the best! My Services: - Web2: React.js, Angular, Vue.js, Ember.js, Meteor.jsJavascript, Python, Ruby, Html, CSS, PHP, SQL, NoSql CouchDb, Node.js, Express.js, Django, Flask, RubyOnRails, Next.js, Nuxt.js, Nest.js, Laravel, Magento, Wordpress, Drupal, TypeScript, Coffee Script - Web3: Web3.js, Ethers.js, Web3.py - Blockchain: Bitcoin, Ethereum, Geth, MEV-Geth, FlashBots, Arbitrage/Liquidation Bots, Parity, Ethereum 2.0, Polkadot, Truffle, Waffle, Solidity, ERC(BEP)20/721/1155, Stable Coin, Binance, UniSwap(SushiSwap), Staking Pool, Mining Pool, Dapp Contact me regarding any project you're serious about. Please maintain a professional conduct. Hobbies: Guitar, Game Playing mindre
  • Ansæt vitalikvaraksa

Hej , her er nogle offline freelancere

Hej , her er nogle offline freelancere, der matcher ""