Web3.Js Developers para contratar
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Freelancers patrocinados
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We are Canadian-Ukrainian team of highly professional software developers and system administrators with more than 20 years expertise. OUR MAIN SPECIALIZATIONS: 1) WEB DEVELOPMENT & SOFTWARE DEVELOPMENT 1.1) FRONT-END: HTML, HTML5, CSS3, Bootstrap, TailwindCSS 1.2) JAVASCRIPT: JavaScript, ES6+, Typescript,...We are Canadian-Ukrainian team of highly professional software developers and system administrators with more than 20 years expertise. OUR MAIN SPECIALIZATIONS: 1) WEB DEVELOPMENT & SOFTWARE DEVELOPMENT 1.1) FRONT-END: HTML, HTML5, CSS3, Bootstrap, TailwindCSS 1.2) JAVASCRIPT: JavaScript, ES6+, Typescript, Node.js, MEAN, MERN, MEVN, Angular, React.js, Vue.js, Nuxt.js, Next.js, Gatsby.js, jQuery 1.3) BACK-END 1.3.1) LAMP (Linux, Apache, MySQL, PHP) including Symfony, Laravel, Yii, Zend, CodeIgniter, CakePHP 1.3.2) Python (Python, Django, Flask, FastAPI) 1.3.3) .NET stack technologies (C#, ASP.NET, .NET Core) 1.4) OPEN SOURCE SOLUTIONS 1.4.1) E-commerce Platforms: Shopify, Magento, WooCommerce, Prestashop, OpenCart, BigCommerce, Shopware, osCommerce 1.4.2) CMS: WordPress, Drupal, Joomla, TYPO3 etc. 1.4.3) CRM: SuiteCRM, SugarCRM 2) MOBILE DEVELOPMENT 2.1) Android native development: Java, Kotlin 2.2) iOS native development: Swift, Objective-C 2.3) Cross platform development: Flutter, React Native, Ionic 3) DESIGN 3.1) Website Design (UI (User Interface), UX (User Experience) etc.) 3.2) Graphic Design (Creative Design, Digital Design, Advertisement Design etc.) 3.3) Corporate Identity (Brand Boooks, Business Cards, Logos, LetterHeads etc.) 4) INTERNET MARKETING 4.1) Social Media Marketing (Linkedin, Xing, Facebook, YouTube, Instagram etc.) 4.2) SEO (SEO Copywriting, SEO Auditing, White Hat SEO) 4.3) PPC Marketing (Google Adwords, Google Ads, Facebook Ads, YouTube Ads, Instagram Ads etc.) 4.4) Email Marketing 5) MANAGED SERVICES 5.1) 24/7 TECHNICAL SUPPORT 5.2) SYSTEM ADMINISTRATION SERVICES Our team of high qualified System Administrators have huge experience with technologies covering: - different distributions of OS Linux, Unix and MS Windows Server systems; - different types of virtualization (ProxMox, Virtuozzo, OpenVZ, KVM, XEN, VMware, Hyper-V); - VPN/DNS/IPTables/Firewalls/web servers/mail servers configuration and tuning etc.; - cloud solutions (AWS, MS Azure, Google Cloud, Alibaba Cloud, OVHcloud, DigitalOcean, Linode etc.); 6) HOSTING SERVICES provided by our hosting subdivision under trade mark "TanHost" 6.1) Cloud based solutions (e.g. configuration and technical support of Private Clouds); 6.2) Сollocation services, the providing for rent dedicated and VPS/VDS (virtual servers); 6.3) Shared Hosting; 6.4) Domain names registration services in more than 100 international zones; 6.5) SSL Certificates. 7) EMBEDDED SYSTEMS 7.1) Embedded software development 7.2) Internet of Things (IoT) 7.3) Microcontrollers programming 7.4) Arduino microcontrollers programming OUR CREDO: Reputation – is above anything else! We help our customers to grow success and we grow together with our customers! We are flexible to meet our clients' needs. We make it simple... menos
Contratar tangramua
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Hi! My name is Arslan. I am a Full-stack Blockchain Solution architect and developer with 5+ years of development experience. Including the crypto exchanges (P2P, CEX & DEX), blockchain forks (NFT Marketplaces, DAO), tokens creation (ERC-20, ERC-721 , ERC-721A,, ERC1155 BEP20, SPL-TOKEN), smart contracts, ICO, Defi &...Hi! My name is Arslan. I am a Full-stack Blockchain Solution architect and developer with 5+ years of development experience. Including the crypto exchanges (P2P, CEX & DEX), blockchain forks (NFT Marketplaces, DAO), tokens creation (ERC-20, ERC-721 , ERC-721A,, ERC1155 BEP20, SPL-TOKEN), smart contracts, ICO, Defi & IDO Using Solidity and Rust I have developed Dapp, smart contracts, and NFT's for Ethereum, Solana, Fantom and Binance Blockchain. Additionally, I'm skilled with the backend technologies like Node.js, Web3.js, MongoDB, Express JS, etc. I do Backend, Frontend, DevOps, and Deployment. My Blockchain Specialization Areas: ★ DEXes (like Uniswap, Sushiswap, Pancakeswap, dYdX, etc) ★ NFT Minting DApps and marketplaces (Ethereum, Solana, Terra, Immutable X, and others) ★ DeFi platforms (any dApp, Binance Smart Chain, Ethereum, EOS, Tron) ★ Stock exchanges (like Binance, Coinbase, etc) ★ Wallets (crypto/fiat) ★ Blockchain block explorers ★ Web Development for Custom Business Web Applications ★ Front-end and Back-end Development ★ Content Management Development ★ High-End Enterprise Web Applications ★ Blockchain Development Here is a list of technologies that I use: ★ Solidity Dapp Development ★ Blockchain- Ethereum , Solana, Fantom, Binance ★ Node.js ★ Lamp Stack, Nginx ★ MySQL, Postgres — data structure, performance tuning ★ NoSQL: MongoDB, Redis, GCP ★ Frameworks: React, Nextjs, Nuxt ★ Redux, Redux-Saga, Material UI, Typescript ★ DevOps: AWS, Cloudflare, Digital Ocean, Vultr, Kubernetes, CI/CD Pipelines ★ HTML, Bootstrap, jQuery, Sass, Gulp, Webpack, etc. — responsive, mobile-friendly websites ★ Server-side and client-side optimization, web applications performance tuning My approach to project execution is as follows: ★ Understanding the project requirements through calls and emails ★ Wireframing using tools like Balsamiq, InVision, Figma ★ Project Execution using Project Management Systems like Basecamp, Trello, ASANA, Active Collab, JIRA 10 GOOD PRACTICES I FOLLOW IN CODE MANAGEMENT: 1. Commit early, commit often; every commit provides a rollback position 2. Inspect changes before committing 3. Remember the axe-murderer when writing commit messages 4. While working in a team, must commit your changes – you can’t delegate it 5. Versioning Database 6. Making extensive – detailed notes in the check-in comments about why the changes were made 7. Ensure the working file is from the latest version of the source file 8. Only Check-out the file being worked upon 9. Review every change before committing; utilize the diff function! 10. Use the ignore button for files that should not be committed, consider adding pre-commit filters to prevent the wrong kinds of files (such as accidental check-in of personal user settings docs) from entering the source control menos
Contratar marslan2201
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valeriivapirov valeriivapirov
$30 USD / hora
♛TOP Rated ⭐Verified | Full Stack | MERN | PythonUkraineHello, I am an accomplished Full Stack developer with a rich history in the industry. During my tenure as a senior Full Stack developer at the renowned digital production company "Onseo," I had the privilege of contributing to the successful creation of over 30 software projects. Front-end: React, Vue, Angular,...Hello, I am an accomplished Full Stack developer with a rich history in the industry. During my tenure as a senior Full Stack developer at the renowned digital production company "Onseo," I had the privilege of contributing to the successful creation of over 30 software projects. Front-end: React, Vue, Angular, CMS (WordPress, Shopify), package management, and API handling. Back-end: Node.js, Python/Django, PHP/Laravel, Java/Spring Boot, ASP.NET, and authentication. Databases: MySQL, PostgreSQL, MongoDB, Firebase. Beyond my technical prowess, I am driven by a relentless commitment to project success. I view each new challenge as an opportunity to expand my skill set and deliver innovative solutions. Let's collaborate and transform your ideas into reality. Together, we can build something extraordinary! menos
Contratar valeriivapirov
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What I can do for you: →Provide stellar software engineering for decentralized apps and blockchain systems. →Expertise in designing and implementing Solidity smart contracts. →Proficient in building user-friendly interfaces with React, HTML, and CSS. →Seamlessly integrate dApps with various blockchain...What I can do for you: →Provide stellar software engineering for decentralized apps and blockchain systems. →Expertise in designing and implementing Solidity smart contracts. →Proficient in building user-friendly interfaces with React, HTML, and CSS. →Seamlessly integrate dApps with various blockchain platforms. →Emphasize security best practices for robust and secure systems. →Skilled in DevOps: Continuous Integration, Continuous Deployment, and more. My key skills and areas of expertise: →Full-stack development for decentralized applications and blockchain-based systems. →Solid experience in developing smart contracts using Solidity. →Proficiency in creating intuitive user interfaces using React, HTML, and CSS. →Seamless integration of dApps with different blockchain platforms. →Strong knowledge of security best practices to ensure system reliability. →Familiarity with DevOps practices like Continuous Integration and Continuous Deployment. →Holistic approach to development, ensuring scalable and cohesive solutions. →Passionate about leveraging blockchain technology for innovation and impact. →Commitment to staying updated with the latest advancements in the field. →Eager to collaborate for blockchain adoption and evolution with like-minded individuals. With a deep passion for blockchain technology, I continuously stay updated with the latest advancements and strive to push the boundaries of what is possible. I am enthusiastic about collaborating with like-minded individuals and organizations to drive the adoption and evolution of decentralized technologies. I am confident that my expertise and commitment to excellence make me an invaluable asset in delivering successful blockchain projects. I look forward to the opportunity of working with you! PS. I follow Eastern Standard Time, so communication will be as fast as if I were in the next room. Take a look at some of my work below ? menos
Contratar achyut313
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With over 20 years of experience in IT and web development, I am dedicated to making your project a success. In the past 3 years, I have shifted my focus towards web3 projects, such as smart contract development and NFT and token minting. I have also been building custom ChatGPT-style chatbots by integrating OpenAI...With over 20 years of experience in IT and web development, I am dedicated to making your project a success. In the past 3 years, I have shifted my focus towards web3 projects, such as smart contract development and NFT and token minting. I have also been building custom ChatGPT-style chatbots by integrating OpenAI APIs. Additionally, I provide consulting services for enterprise clients on intranet development, including data migration between platforms such as Microsoft SharePoint Online, Jive Software, MediaWIKI, WordPress, and Drupal. I am also experienced with Yelp, Etsy and Shopify APIs. menos
Contratar edmiidz
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Boasting over 7 of comprehensive experience in web and mobile development, my principle is rooted in a two-fold commitment: delivering projects both on time and on budget. This steadfast approach, combined with my unique practice of ensuring successful project completion before discussing payment, showcases my...Boasting over 7 of comprehensive experience in web and mobile development, my principle is rooted in a two-fold commitment: delivering projects both on time and on budget. This steadfast approach, combined with my unique practice of ensuring successful project completion before discussing payment, showcases my deep-seated confidence in providing superior solutions and my unwavering dedication to total client satisfaction. My clients benefit from not only my technical expertise in web and mobile development but also the peace of mind that comes from knowing their projects are in trustworthy hands. As a result, many businesses, once acquainted with my work ethic, seek to cultivate long-term collaborations, confident in the consistency, transparency, and value I bring to every undertaking. You can find my main skills here: Technical Proficiency: - Front-end Development: Expertise in JavaScript, TypeScript, Tailwind CSS, Material UI, and modern front-end frameworks such as React, Next, Vue, Nuxt, Svelte, SvelteKit, and Angular. I consistently ensure smooth and responsive user interfaces. - Back-end Development: Highly proficient in server-side languages, including Node.js and PHP, and familiar with frameworks like Express, Laravel, Django, and Golang. I focus on empowering seamless data flow and optimized functionality. - Mobile App Development: I have a proven track record of developing both native and cross-platform mobile applications for iOS and Android using Swift, Java, React Native, and Flutter. - Database & APIs: Possess extensive experience with databases including MySQL, PostgreSQL, and MongoDB. Additionally, I specialize in building robust APIs for efficient data retrieval and manipulation. - DevOps & Deployment: Skilled in CI/CD pipelines, cloud deployment through AWS, Azure, and Google Cloud, and familiar with containerization technologies like Docker, ensuring scalable and dependable application deployments. - Blockchain dApp Development: I'm proficient in the Solidity programming language, web3, and ether.js. I am adept in smart contract development and possess an in-depth understanding of zk-Proof, zkEVM, zkSync, Cosmos-SDK, Tendermint, and IBC Protocol. Additionally, I have experience in building NFT, DEX, and DeFi applications. menos
Contratar selwyeather
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8 years in full stack development with a specialization in AI technologies. 1. AI and Machine Learning: Proficient in developing and integrating AI solutions using OpenAI's language models such as GPT-4, GPT-3.5, and LLMs like Mistral 7b, Llama2, Llama 3. Strong expertise in image generation models like Stable...8 years in full stack development with a specialization in AI technologies. 1. AI and Machine Learning: Proficient in developing and integrating AI solutions using OpenAI's language models such as GPT-4, GPT-3.5, and LLMs like Mistral 7b, Llama2, Llama 3. Strong expertise in image generation models like Stable Diffusion. 2. Object Detection: Experienced with real-time object detection using YOLO (You Only Look Once). 3. Frontend Development: Highly skilled in React.js, Tailwind CSS, Bootstrap, and responsive design. Experienced with mobile app development frameworks such as React Native and Flutter. 4. Backend Development: Deep knowledge of Node.js and Express.js for server-side logic. Experienced with Python and Django for web application backends. 5. Database Management: Proficient in using MongoDB, My SQL, PostgreSQL for NoSQL and Relational SQL database solutions. 6. Cloud Services: Extensive experience with cloud platforms such as AWS and GCP, leveraging their capabilities for scalable and robust application hosting. 7. Software Tools and Libraries: Familiar with a broad range of development tools and libraries essential for modern full-stack development. I combines a deep understanding of both frontend and backend technologies with a passion for AI and machine learning, driving innovation and efficiency in every project. menos
Contratar prayogo803
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I live in Argentina, I am a very good analyst of organizations, I was a developer, I have my own software company. I have 14 years of experience in systems analysis and development in the commercial area. I am a director of ClinGroup. One of its areas is ClinExportWork. This is a company formed by a group...I live in Argentina, I am a very good analyst of organizations, I was a developer, I have my own software company. I have 14 years of experience in systems analysis and development in the commercial area. I am a director of ClinGroup. One of its areas is ClinExportWork. This is a company formed by a group of specialists prepared to solve problems organizations that require it. Always at a distance to other countries. The work team is made up of data analysts, accountants, HR, designers, architects, sales experts, blockchain developers, writers and translators. We are the most complete freelancer you will find... Do not hesitate to contact us... menos
Contratar sebacess
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milankoladiya001 milankoladiya001
$22 USD / hora
+4Yr. | Full Stack Javascript Developer | AWSIndia✅ As I am a proactive and enthusiastic full stack developer with 4 years of professional experience, I have been providing clients with websites & applications and hybrid mobile applications with a modern design that are running fast and secure. ✅ I focus on simplifying the user experience & interface and delivering...✅ As I am a proactive and enthusiastic full stack developer with 4 years of professional experience, I have been providing clients with websites & applications and hybrid mobile applications with a modern design that are running fast and secure. ✅ I focus on simplifying the user experience & interface and delivering a clean and modern design aesthetic that highlights your objectives. I excel in converting Figma/XD designs into a seamlessly animated landing page using React.js. Besides, I am very familiar with SSR/SSG frameworks such as Next.js and Gatsby which makes the React.js project SEO-friendly. ✅ I develop and maintain fully custom websites and Shopify, including both the front and back end programming, graphic design, UI/UX, responsive web design for both desktop and mobile, database setup and integration, and custom CMS. Also, I deliver the clean and DRY code which will optimize your project. ✅ I always bring a comprehensive approach to developing your project. I take the time to listen to your goals and needs and then tailor my approach to what is best for your business. I am ready to contribute to your great idea. Thank you for your consideration. Technical Skills: Front-End Language: HTML, CSS3/SCSS/LESS, JavaScript, TypeScript Framework and Libraries: ✅ React/Redux & React Hooks, Angular, Vue Material UI, Reactstrap, Semantic UI, JSS, Styled Components, TailWind, AntD Redux-Saga & Redux-Thunk, Redux-Form React-Router, React-Helmet, React Charts, D3.js, Immutation Next.js, Gatsby React Native Back-End: ✅ Language: JavaScript, PHP, Node.js ✅ Framework: Express, Socket.io, Laravel ✅ API GraphQL, RESTful ✅ Headless CMS Wordpress, Shopify, Prismic, Stackbit DataBase Service: ✅ SQL: MySQL, MS SQL, PostgreSQL ✅ NoSQL: MondoDB, Neo4j FireBase, Sequelize ORM Mobile App: Hybrid mobile: React-Native, Flutter Clouding Service: AWS(EC2, S3, Cognito, Lambda, DynamoDB), FireBase, GCP Version Control System: GitHub/GitLab, BitBucket Other Tools: Docker menos
Contratar milankoladiya001
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neerajdhameliya neerajdhameliya
$10 USD / hora
REACT | NODE | FLUTTER FLOW | PYTHON | BLOCKCHAINIndiaExperienced Software Engineer with more than 5+ years of extensive Full-stack Website/Mobile/Blockchain/ ChatGPT developer. As a Full-stack developer, I have also honed my expertise in crafting NO-CODE web applications through platforms like Bubble.io and Webflow, as well as utilizing FlutterFlow for NO-CODE app...Experienced Software Engineer with more than 5+ years of extensive Full-stack Website/Mobile/Blockchain/ ChatGPT developer. As a Full-stack developer, I have also honed my expertise in crafting NO-CODE web applications through platforms like Bubble.io and Webflow, as well as utilizing FlutterFlow for NO-CODE app development. Daily playground:- ⩥ React.JS | Next.JS | Angular | Express.JS | Node.JS | ReactFlow | Redux | Bubble.io | WebFlow | CSS | HTML | Javascript | MongoDB ⩥ Python | Django | Flask | FastAPI | AWS | Selenium | RESTAPI ⩥ Flutter/Dart | FlutterFlow | Firebase | Supabase | AWS | Hybrid\Native | iOS | Android ⩥ Blockchain | Smart Contract | Solidity | YII2 | WEB3 | Ethereum | NFT | Smart Chain | NGNIX | ERC20 | Cryptocurrency | Solana | Rust ⩥ GraphQL | AWS | Azure | DevOps | Firebase | MongoDB | MySQL | Postgres ⩥ Unity | 2D, 3D | C# | Adobe Flash/Action Script | ARKit | ARCore | AR, VR (Vuforia) ⩥ChatGPT3 | ChatGPT API. I pride myself on my ability to offer rapid turnarounds and quality products to my clients. And I would like to do the same for you. Feel free to send me a quick message here on Freelancer.com so we can chat a bit more about you & your business also the project. I’ll be at my computer for the rest of the day. menos
Contratar neerajdhameliya
