Hire the best Distributed Ledger Technology professionals

Check out Distributed Ledger Technology professionals with the skills you need for your next job.
  • $97 hourly
    Looking for smart contracts copy-pasted by an amateur and full of security vulnerabilities? Didn’t think so. You want clean code, reliable communication, and to work with an expert that has a proven track record of success. Blockchain code is immutable (it can’t be changed). If you don’t get this part right, it will sink your entire project. That’s why I’m here to help. My name’s Ryan Cwynar. I’ve been involved in blockchain since 2016 and coding for over 20 years. I was a Captain and Physicist in the United States Air Force, CTO at a few tech companies (Currently @ Fueled On Bacon & reserv.xyz), I speak four languages (not including computers), and I’m so passionate about this blockchain stuff that I constantly annoy friends and family because I never stop talking about it. Sometimes they just walk out of the room and it takes me a few minutes to notice. I helped my clients generate $8 million in NFT sales in the last bull run. I’ve worked on a number of DeFi projects, forked protocols for executives at the Fantom ecosystem, helped build P2E games, helped my clients receive six figure lump sums for grants (XRP Junkies) and built more websites than I can count over the last few decades. Check me out on Google if you like. Right now, I only focus on smart contract development. Nothing else. Why? Because I’m very, very good at it. The smart contract work also helps fund my current moonshot - reserv reserv is a blockchain ticketing platform that will bring Ticketmaster to their knees. This is a wildly complex SaaS product with a lot of very nuanced smart contracts and backend server tech all playing together in perfect harmony. I architected the entire product. Check that out at reserv.xyz If you’re looking for someone experienced, reliable, and communicative, shoot me a message and let’s talk. Please note, I work with very few clients (maybe 2 a month) so if we decide to work together, you’ll be taken care of at the highest level. Cheers, Ryan Cwynar
    vsuc_fltilesrefresh_TrophyIcon Distributed Ledger Technology
    Ethereum
    Blockchain Development
    Cryptocurrency
    JavaScript
    Solidity
    Blockchain
    web3.js
    Emerging Tech Consultation
    Blockchain Architecture
    React
    Web Design
    Web Development
    Full-Stack Development
    CMS Development
  • $29 hourly
    I have more than 14+ years of web development and database administration experience for various kinds of applications. Being a software development Ninja, I am experienced in end-to-end software life cycle. I have made MEAN (Mongo, Express, Angular Js, Node Js) stack-based Software, Blockchain solutions, IPFS structures, and Docker solutions from scratch. ➤ Expertise with: - Node.js / Express.js - React.JS / Redux / Mobx - Angular.JS / Backbone.JS / Javascript / jQuery - MySQL / SQLite / MongoDB / PostgreSQL - Experience with Elastic Search / Solr - Deployment on Heroku / VPS / Amazon Web Services (AWS) / DigitalOcean - Git, Bitbucket etc. ✅Private & Consortium Blockchain Platforms ✓ Creating Chaincode using the Go programming language. ✓ 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. In case anyone is looking for dependable blockchains or web development services in above mentioned areas, please feel free to contact me.
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    Ubuntu
    CI/CD
    NFT Marketplace
    Node.js
    API Development
    Fabric.js
    Smart Contract
    Kubernetes
    DevOps
    API
    Ethereum
    Blockchain
    PostgreSQL
    MongoDB
    MySQL
  • $25 hourly
    I have been developing software professionally for 20 years. I'm always eager to satisfy my clients by providing high quality solutions.
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    Blockchain Architecture
    ASP.NET
    Microsoft SQL Server Programming
    Cryptography
    Multithreaded Programming
    MATLAB
    Microsoft Excel
    Blockchain
    Microsoft Visual Studio
    C#
    Standalone Application
    C++
    Desktop Application
    JavaScript
  • $65 hourly
    I'm the CEO at ArStudioz, a Blockchain App Development Company that develops user-friendly Mobile Apps and Software for Companies like Rolls Royce, Siemens, Arabian Bemco, Idea Network, and UC Bank to help them increase engagement, transactions, and overall satisfaction with their customers! My passions in business focus on solving real problems for the Startups & Enterprise and making sure that my team delivers the highest quality products. I always strive to make my clients satisfied, client's end customers happy, and skyrocket business sales with our products and services. * ArStudioz provides 360-degree mobility services. From Business strategy and design to development, and product life cycle management. * We work on disruptive technologies such as Blockchain, Artificial Intelligence, and AR & VR * Ethereum, BSC, NFT, Solana, Rust, Solidity * Delivered 49+ Mobile Apps, 20 Web Apps, and 10+ Custom Software. * 5 Star Reviews on Clutch and GoodFirms * Proficient English Speaking Team * WhiteLabel for Salon App, Facebook Like App, Instant Chat App, Chatbot * Stellar | Stellar Lumens | Stellar Blockchain expert, I can create private nodes, wallets, tokens, and cryptocurrency in a few weeks. *XRP | Ripple | XRP Ripple Blockchain expert, I can create private nodes, XRP NFTs, wallets, tokens, and cryptocurrency in a few weeks. *Solana | Rust | Solana Blockchain expert, I can create Solana Programs [ Smart Contracts], SLP etc.. ArStudioz helps startups get their MVP in the shortest time, we implement Rapid Application Development and Agile Methodologies to deliver what you desire. We take care of your project from Ideation to Development to Deployment, we sign an NDA and get started with the requirement gathering/brainstorming phase to narrow down the requirement, followed by Wireframes and Development.
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    Algorand
    React
    Cryptocurrency
    Blockchain
    DeFi
    NFT Marketplace
    Solana
    NFT Minting
    Smart Contract
    web3.js
    Node.js
    Stellar
    JavaScript
    Blockchain Development
    Solidity
  • $80 hourly
    🔥 Hi all! 👨‍💻 CTO/Founder of RedDuck.io | Blockchain and Smart Contracts Development Company. 🏆 Our RedDuck team won an award for our project at the EthKyiv 2024 hackathon! We proudly secured second place, and it was an incredible honor to receive the award from none other than Vitalik Buterin himself! As the CTO and founder of RedDuck.io, I lead a team of 30+ highly qualified blockchain devs, analysts, tokenomists, and UI/UX designers, who deliver cutting-edge solutions for Web3 projects. With over 5 years of experience in software engineering and business analysis, my mission is to empower clients with innovative and secure solutions for DeFi, Smart Contracts, and Blockchain. I am passionate about exploring new possibilities and challenges in this rapidly evolving field. 🦾 SKILLS: ◉ Blockchain Technologies: Ethereum – ERC-20, NFT (ERC-721, ERC-1155), TheGraph, Solidity, Tenderly, Moralis, Infura, Alchemy, Hardhat, Decentralized Applications (DApps), Waffle, TypeChain, Web3.js, Ethers.js, Golang, Oracles, Hyperledger Fabric, Chainlink, Uniswap, Layer 2 ◉ Smart Contracts: Solidity, Chaincode ◉ Front-end: TypeScript, JavaScript, React.js, Next.js, Vue, Svelte, Redux, Cypress, Mocha, Ethers.js, Web3.js, Wagmi.js, Firebase ◉ Back-end: Node.js (Next.js, Nest.js), Golang, C++, Rust, Azure ◉ Cryptography and Security: Public/Private Key Infrastructure, Zero-knowledge proof, Encryption, Ethernaut - OpenZeppelin ◉ API Integration: REST API, WebSocket, GraphQL ◉ Databases: MongoDB, MySQL, Supabase, Firebase Database ◉ DevOps: Docker, CI/CD, Ubuntu, Shell Scripts, Make Scripts 🤝 Trust us to be your partner in achieving blockchain excellence for your next project. Contact us today to discuss how we can help bring your vision to life.
    vsuc_fltilesrefresh_TrophyIcon Distributed Ledger Technology
    Smart Contract
    DApp Development
    Tokenomics
    Cryptocurrency Forking
    DApps User Experience
    Solidity
    Crypto Wallet Development
    Smart Contract Development
    Ethereum
    Blockchain, NFT & Cryptocurrency
    Blockchain Development
    Blockchain Platform
    Web3
    Blockchain
    NFT
  • $10 hourly
    I'm a passionate business process optimization expert with 8 years of experience helping businesses leverage the power of CRM and ERP systems. I possess in-depth knowledge of leading platforms like ERPNext, Odoo, Microsoft Dyanmics 365, NetSuite to create customized solutions that enhance your customer relationships, streamline operations, and propel your business forward. My Expertise Bridges the Gap: CRM Implementation & Management: I excel in setting up, customizing, and integrating CRM platforms to automate workflows, enhance lead generation, and foster stronger customer relationships. ERP Implementation & Optimization: My expertise in data migration, system configuration, and user training ensures a seamless transition to a new ERP system, maximizing efficiency and data-driven decision making. Integration Expertise: I seamlessly bridge the gap between CRM and ERP systems, creating a unified data flow that provides a holistic view of your customer journey and business operations. Data-Driven Approach: I emphasize the power of data to optimize processes. I help you leverage reports and insights from both CRM and ERP systems to make informed decisions and achieve your business objectives. Proven Results & Client Focus: I'm committed to delivering successful projects that empower businesses to achieve significant results. In my previous projects, I've helped clients achieve: Increased sales by 80% through improved lead management with CRM. Reduced production lead times by 90% via process optimization with ERP. Enhanced customer satisfaction through improved communication and service facilitated by CRM integration. Building Partnerships for Success: I believe in a collaborative approach, working closely with you to understand your specific needs and goals. Let's discuss how my combined expertise in CRM and ERP can help you achieve operational excellence and drive sustainable growth.
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    Data Analysis
    Web Scraping
    AWS Lambda
    JavaScript
    NodeJS Framework
    Vue.js
    PostgreSQL
    MySQL
    Beautiful Soup
    Flask
    Django
    Selenium
    Node.js
    Python
    React
  • $80 hourly
    With over 15 years of experience as a seasoned developer and system architect, I’m in the dynamic emerging world of technology, constantly exploring new directions to stay on the crest of the wave. I specialize in working with cutting-edge blockchain technologies and AI solutions using Python for AI, Solidity and Rust for smart contracts, Golang and Node.js for backend and React.js for frontend development. This allows me to provide high quality solutions customized to your specific needs. 𝐁𝐥𝐨𝐜𝐤𝐜𝐡𝐚𝐢𝐧/𝐖𝐞𝐛𝟑 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: - Core blockchain development - Smart contracts and dApps - DeFi platforms and NFTs - DEXes, CEXes, and trading bots - Layer 2 solutions and multi-chain bridges - Blockchain security and auditing 𝐀𝐈/𝐌𝐋 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: - Machine learning and predictive analytics - Deep learning and computer vision - Natural language processing and conversational AI - Speech recognition and generation - AI solutions for ChatBots and custom applications Let's transform your ideas into reality
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    Solidity
    Rust
    Python
    Solana
    Ethereum
    Smart Contract
    Crypto Exchange Platform
    DApp Development
    Blockchain Architecture
    Natural Language Processing
    Computer Vision
    Deep Learning
    Machine Learning
    Generative AI
    Artificial Intelligence
  • $100 hourly
    Consultant with more than 10+ years of experience in delivering software solutions. My freelance activities focus on blockchains, DLTs, data science, and full-stack development. I offer robust and high-quality architecture design, web, and mobile application development, along with decentralized and AI consultancy specialties. I have published many successful projects over the period and acted as an advisor on several projects, usually in a hands-on technical role. Examples of recent related projects can be found in the portfolio section.
    vsuc_fltilesrefresh_TrophyIcon Distributed Ledger Technology
    Web Application
    Mobile App Development
    Machine Learning
    Node.js
    Blockchain
    Blockchain Architecture
    Blockchain Development
    Corda
    Smart Contract
  • $65 hourly
    🏆 ✅ Top Rated PLUS | ✅6 000+ Hours | ✅ 100+ Projects | ✅ 7+years Exp 🏆 🥇 I am having 7+ 🚀 years experience as Full stack Developer and during this tenure i have worked on different framework and CMS 👏 . The details of that are listed below:- 👉 AWS Technologies : Cloud Formation, Cloud Front, Cloud watch, lambda, Api Gateway, S3, Dynamo db, Cognito, etc. 👉 Front-End Development : HTML5, CSS3, Bootstrap, Angular, Javascript, Jquery,Less, Saas, XML, AJAX. 👉 PHP Backend Technologies: Core PHP, CodeIgniter, Laravel, CakePHP, Yii. 👉 Js Technologies - Node.js, React.js, Angular.js, React, Ionic.js, Gatsby. 👉 CMS: Wordpress, Magento, Prestashop, Shopify. 👉 DBs - Mongo, Dynamo, MySql, PostgreSQL, FaunaDB 👉 API: Steam API, Wax API, BTC API , Overwolf , Payumoney, Stripe, etc 👉 Project Management Software and Tools: BASECAMP, ASANA, JIRA, Gitlab etc 👉 Version Control: Git, GitHub, Bitbucket. 👉 Benefits to work with me:- 1. 24*7 response time. 2. Suitable Skill Set. 3. Quality Work Guarantee. 4. Deliver project on time. 5. Building a long term relationship is highest Priority. 💛 Thanks Ashraf Kamal Siddiqui
    vsuc_fltilesrefresh_TrophyIcon Distributed Ledger Technology
    Ethereum
    Blockchain
    web3.js
    Unity
    Node.js
    MongoDB
    Game
    Amazon DynamoDB
    Gatsby.js
    React Native
    React
    Gambling
    AWS Lambda
    Steam API
  • $25 hourly
    Artificial Intelligence Expert, Blockchain Expert | Dapps | Metaverse | Games | AI BOT | ML-NLP-LLM | IoT- | Web & Mobile App, Healthcare | Software Engineer | Low-code & no-code Solutions ! I offer 360 degree service and solutions for all your requirement. Starting from consulting to delivering, Enterprise custom solutions in blockchain, Mobile apps, IoT, Industry 4.0, AI, Metaverse, BOTS. Our expertise in decentralized technologies, Hyperledger, Multichain, Ethereum, TRON, Hedera Hashgraph, and more. SERVICES I OFFERS !! - BOTS Solution & Automations - AI, Machine learning & Cognitive Services - OpenAI integration, NLP, Langchain, Pinecone - IoT and firmware - Blockchain Development - Advanced Web Development - Enterprise Application - Mobile App Development - Hyperledger Development - Game development - 2D/3D Animations - Cloud & SaaS - Metaverse Development - Data Science & Analytics - Digital Marketing ❝Mobiloitte's Technology Experience across Digital Transformations solutions:❞ Front-End - Mockups (Mockplus, Balsamiq) - UI/UX (Adobe xd, Adobe photoshop, Adobe illustrator, Figma) - HTML5/CSS3, JavaScript/jQuery - Bootstrap5 - Representative JS: Angular, React, with Typescript/JS Back-End Tech - Python (Django, Flask) - Node (Next.js, Loopback, Express) - Rust, Solidity - Wordpress - Java EE, Spring Mobile App -Cross-platform and native app development using - iOS, Android, React Native, Kotlin, Swift, Flutter. Blockchain Networks - EVM based chains (Ethereum, Binance, and Polygon) -Complete Custom Blockchain Development (Wallet, RPC commands, Explorer) - Cloning Existing Blockchain - POS, POW, POH, dPOS - Consensus Changes in Hard Forks - Coin Development - COSMOS - Polkadot parachains. Blockchain Technology - Defi/Dapp Development, Smart contract, Ethereum ERC721, ERC1155, staking, time lock contracts - Cryptocurrencies API: all kinds of BCT and ETH, LTH - Wallets API: Trezor, Metamask, Connect wallet (ETH), Anchor, Scatter (EOS) - Exchanges: Uniswap, Pancake swap, sushi swap, coinbase, binance exchange AI/ML Frameworks - TensorFlow - PyTorch - Keras - Scikit-learn - Deep learning - AI Model Development - NLP - Generative AI - Data Science - Predictive Analytics - AI Consulting - AI Strategy - Chatbots - Neural Networks - OpenAI GPT-3/4 - spaCy - NLTK (Natural Language Toolkit) Low-code & No-code - OutSystems - Mendix - Appian - Microsoft Power Apps - Google App Maker - Bubble - Zapier - Airtable Databases - MySQL - PostgreSQL - MongoDB Hosting Platforms - AWS - Microsoft - Digital Ocean Firmware - Microprocessor - Microcontroller. - Arduino. - Raspberry pi - Node MCU. - Sensor, BLE - RFID - Things work/things word BOTS solutions: - Trading bots - Arbitrage bots - MEV (Maximal Extractable Value) bots - MAV (Maximal Adversarial Value) bots - Flashloan bots - Triangular bots - Portfolio management bots - Sniper bots - Market-Making bots In all the above BOTS, I have utilized Python heavily for AI and ML implementations to let bots automate the trade execution processes without any/minimal manual interference. Mobiloitte is your dedicated partner in crafting cutting-edge, reliable, and highly scalable digital solutions for both web and mobile platforms. With a track record of successfully delivering over 6700+ mobile apps, Blockchain, metaverse, IoT, AI websites spanning diverse industry verticals, we have empowered businesses to turn their visionary ideas into tangible products, fueling their growth. Our expertise extends across a wide spectrum, serving startups, enterprises, governments, biotechnology firms, and large corporations. Leveraging advanced technologies such as IoT (Internet of Things), Blockchain, Ethereum Network, AI (Artificial Intelligence), and Big Data, we've consistently delivered exceptional solutions that drive success. Providing solutions in Healthcare IT domains like: -- Telehealth and Telemedicine Platform Development -- Electronic Medical Record (EMR) Development, -- Electronic Health Record (EHR) System Development, -- Billing System, DICOM Viewer, -- Healthcare Interoperability, -- HIPAA Consultancy, -- Meaningful use (MU) 1,2 Certification and MU3 implementation -- HL7 Messaging, -- CCDA, -- Tele-Health, and many others. -- IoT remote monitoring With a skilled and passionate team comprising over 570 professionals, including programmers, project managers, product managers, quality testers, and solution architects, we offer extensive experience across various technologies to cater to your unique requirements. Whether you have a groundbreaking idea or a concept waiting to be transformed into an app or website, reach out to Mobiloitte, and we'll be thrilled to assist you in bringing your vision to life. Sincerely, Team Mobiloitte!
    vsuc_fltilesrefresh_TrophyIcon Distributed Ledger Technology
    AI Model Development
    Generative AI
    Blockchain, NFT & Cryptocurrency
    Healthcare
    Blockchain Development
    NFT
    Web Development
    Internet of Things
    Bot Development
    Artificial Intelligence
    Smart Contract Development
    Gaming
    Metaverse
    Mobile App Development
  • $85 hourly
    I have been an Application Architect in .NET projects and e-Learning development for over 10 years and a developer for 25 years. I am highly proficient at design and implementation of web applications in the ASP.NET MVC framework, WebForms and AngularJS with WebAPI. I also have built many e-Learning Training Solutions in Lectora for the web. I have extensive expertise and experience in Section 508 and WCAG 2.0 / 2.1 Accessibility web development and remediation, with custom solutions for web development and e-Learning. My ideal client would be someone looking for a professional person with extensive .NET or Lectora development experience but does not want to hire a full time employee. Ideal situations for me would include building a trusted relationship on a long term for systems that require maintenance or additional enhancements on a steady stream of part time work. I looking forward to hearing from you.
    vsuc_fltilesrefresh_TrophyIcon Distributed Ledger Technology
    SAP Crystal Reports
    Section 508
    Web Content Accessibility Guidelines
    Microsoft SQL Server Programming
    Lectora
    HTML
    jQuery
    CSS
    Microsoft SQL Server
    .NET Framework
    ASP.NET MVC
    Entity Framework
    ASP.NET
    C#
  • $30 hourly
    Did you know how a really experienced developer can create or improve your project? I can show you! My main specialization is a Full Stack development of rich web apps based on JavaScript stack of technologies. Based on my previous experience and modern trends in the development world, I can tell you with confidence - if your main aim is to create a complex web application with a difficult structure and many features on the Back-end and Front-end parts we can use React and Node.js for a successful result. But, sometimes it's not enough, so, I can help in this situation too, because have experience with such technologies as Bootstrap, jQuery, Redux, TypeScript, Angular, nginx, Express, Firebase, MongoDB, MySQL, PostgreSQL, Redis, Jenkins, Socket.io, WebPack, Babel; AWS, Heroku, DigitalOcean, uWSGI for deploing and Mocha.js, Chai.js for testing my code to ensure the best result. In addition to websites, I recently started making mobile apps as well. Typically, I use React Native, the technology that supports both iOS and Android platforms. So you'll need a budget dedicated to just one application instead of having a different codebase written for each platform. I am also have a quite experience in maps integrations. So I can definitely share my technical advice if you would like your project to have some geolocation related features. For implementing of such features I use Google Maps, Mapbox, Reactive Maps and so on. Also, I good at usage of graphing and charting libraries, so hire me for development of your app and will have a capable of generating charts and graphs with either D3.js, Highcharts, or Google Charts. Thinks, that I can be a good fit for your needs? Don't hesitate to drop me a line with your requirements and let's have a chat to discuss your idea in details. Would be glad to help you build a great platform See you soon, Andrey
    vsuc_fltilesrefresh_TrophyIcon Distributed Ledger Technology
    React Native
    Firebase
    Node.js
    CSS
    React
    MongoDB
    HTML
    AngularJS
    jQuery
    Bootstrap
  • $50 hourly
    👋 Hello! I'm Laxman, an experienced Blockchain & Full Stack Developer with a strong focus on Web3 Development and a deep passion for blockchain technology. With 7 years of experience at Novvr.com - a leading blockchain technology company, I have successfully delivered cutting-edge solutions using the latest Web3 technologies. I specialize in building decentralized applications (dApps), smart contracts, and integrating blockchain functionalities into existing systems. I'm dedicated to delivering high-quality, scalable, and secure solutions. Let's collaborate to bring your Web3 projects to life! Services Offered: 🚩 Full Stack Web Development: Building scalable and responsive web applications using modern frameworks such as React, Angular. 🚩 Smart Contract Development: Designing and developing secure smart contracts using Solidity or other Ethereum-compatible programming languages. 🚩 Decentralized Application (dApp) Development: Building decentralized applications on blockchain platforms like Ethereum, Binance Smart Chain, Polygon, Arbitrum or Polkadot. 🚩 NFT Marketplace Development: Building highly secure and scalable NFT marketplaces like OpenSea and Rarible for EVM blockchains. 🚩 Blockchain Integration: Integrating blockchain functionalities into existing systems to enable secure transactions, immutability, and transparency. (Eg. MetaMask Integration) 🚩 Token Development and ICO Consultation: Assisting in the creation of tokens and providing expert advice on conducting Initial Coin Offerings (ICOs). Portfolio Highlights: 1️⃣ Project: Seedify.fund ‣ Description: Seedify.fund is a decentralized incubator and launchpad for blockchain projects. As part of the development team, I played a key role in building the platform's frontend and backend components. I leveraged my expertise in Web3 development, integrating smart contracts, and connecting with various blockchain networks. The project involved implementing a user-friendly interface, allowing project creators to launch their token sales and engage with the community seamlessly. ‣ Technologies used: React, Solidity, Web3.js, Ethereum 2️⃣ Project: Uppercent.com ‣ Description: Uppercent is a Web3 education platform that provides users with the tools and resources they need to learn about Web3 from the top 1%. We worked closely with the client to ensure that the platform met their needs. The project was completed on time and within budget. The platform is user-friendly and easy to navigate; is scalable and can accommodate future growth. ‣ Technologies used: Built using a variety of technologies, including React, Node.js, Web3.js, Solidity and MongoDB. 3️⃣ Project: Zeptagram.com ‣ Description: Zeptagram.com is a decentralized music marketplace powered by blockchain technology. I contributed to the development of the platform, focusing on building the smart contracts that facilitate the secure and transparent trading of digital music assets. Additionally, I implemented the front-end interface to provide a seamless user experience for artists and music enthusiasts. This project allowed me to combine my passion for Web3 development and my love for the music industry. ‣ Technologies used: Solidity, Truffle, IPFS, React, Web3.js 4️⃣ Project: Bitbatua.com ‣ Description: Bitbatua.com is a cryptocurrency payment gateway that provides a secure and user-friendly environment for sending and receiving payments in cryptocurrencies. I was responsible for developing the platform's frontend and backend functionalities, including user authentication, and wallet integration. I ensured a seamless payment experience by implementing real-time updates and robust security measures. This project allowed me to showcase my expertise in full-stack development and blockchain integration. ‣ Technologies used: Angular, Node.js, Express.js, MongoDB, Wallet integration (e.g., MetaMask) Key Skills: ⦿ Full Stack Web Development (HTML, CSS, JavaScript, React, Angular, Node.js TypeScript) ⦿ Solidity and Smart Contract Development (Ethereum, ERC-20, ERC-721, ERC-1155) ⦿ dApp Development (Web3.js, Truffle, Hardhat, IPFS, Ganache, Alchemy) ⦿ Blockchain Platforms (Ethereum, Binance Smart Chain, Polygon, Arbitrum or Polkadot) ⦿ Blockchain Integration (Web3.js, API, Wallet Integration such as MetaMask or WalletConnect) ⦿ Token Development and ICO Consultation ⦿ Git Version Control ⦿ Test-driven Development (TDD) ⦿ UI/UX Design Principles Additional Skills: ⦿ Docker ⦿ RESTful APIs ⦿ GraphQL ⦿ SQL and NoSQL Databases ⦿ Familiarity with DevOps tools (CI/CD pipelines) 🚀 If you're looking for a skilled Blockchain or Full Stack Developer with expertise in Web3 Development, I'm here to bring your ideas to life. Let's build something amazing! 🤝
    vsuc_fltilesrefresh_TrophyIcon Distributed Ledger Technology
    Crypto Wallet Development
    DeFi
    Crypto Exchange Platform
    Smart Contract Development
    React Native
    Blockchain Architecture
    NFT Marketplace
    Blockchain Development
    Ethereum
    Solidity
    Blockchain
    Bitcoin
    Node.js
    API Integration
    Angular
  • $60 hourly
    Hello! I'm a MERN Stack Engineer with 9+ years of Full stack experience. I am excelling at ReactJS, React Native and Node.js. Skills that I have acquired over the years are: • The expertise to React, React Native & Node.js framework with its newest features • Expertize in framework like Next.js, Nest.js etc • Strong understanding of the structure and logic of Object-Oriented programming • Hand-on experience with Redux, Apollo, GraphQL, REST services / APIs • Efficient with database like SQL, MySQL, MongoDB, etc • Collaborative team member with strong communication and interpersonal skills • Experience with cloud-based technologies such as AWS / Azure. • Web development experience in a CMS platform such as Shopify, Kajabi, and Wordpress • Experience with responsive client-side web development – HTML 5, CSS/SASS, JavaScript, jQuery and Bootstrap • Development of scrum and agile methodologies. Version controls I have worked on: Git, Big Bucket. I am also expert with Typescript. I have my expertise in Solidity, Web3, DAO, Tokenization, NFT , Cryptocurrency, Marketplace, Truffle, Web3.js, Node.js, React.js, Next.js, and more. I also started to work with Solidity and helped to launch various ICO products and created a bunch of smart contracts. I also have good experience with building Daap applications based on React + Web3.js. I have knowledge of Solidity, Web3.js, Ether.js, Etherscan.io(API), Tuffle, Metamask, Wallet connect, Ganache, Remix, ERC20, and ERC721, Solidity etc.Along with this I have also created swap application using Uniswap and Pancakeswap. I can help you with writing smart contracts and tokens on the Ethereum platform, automated testing, deploying, and upgrading them, and integrating with your backend and frontend code.I have developed websites with staking and destaking functionality with NFT minting. I'm experienced in writing complex tests and deployment scripts. I can also handle various Node tasks, Ethereum and Bitcoin/Altcoin, from automated creating and watching accounts to handling payments to full-scale payment solutions and crypto-exchange integrations. I'm very detail oriented and thrive on tackling new challenges. I hope to help you achieve your goals. For more information, skills, and projects history feel free to contact me! Reach me out for a quick complimentary consultation.
    vsuc_fltilesrefresh_TrophyIcon Distributed Ledger Technology
    Blockchain Development
    MERN Stack
    Cryptocurrency
    Front-End Development
    Blockchain
    React
    Ethereum
    NFT Minting
    NFT Marketplace
    Smart Contract
    Node.js
    GraphQL
    Solidity
    DApps
    web3.js
  • $60 hourly
    I am a blockchain smart contract Developer & Consultant, writing smart contracts, creating cryptocurrencies, NFTs, and launching ICOs, with 5 years of experience with solidity and smart contract development in the ethereum blockchain ecosystem. My expertise: - Determining the viability of a blockchain based solution for your business needs - Write smart contract logic code for anything you can think of. - Decentralized cryptocurrency exchange (DEX) - Front Running / Back-running Bots - DEX based trading bots for cryptocurrency - Binance smart chain development - Smart contract Audit - NFT, IPFS, ERC721, ERC1155 development - Token & Coin development - Staking, yield farming, lottery, prediction smart contracts
    vsuc_fltilesrefresh_TrophyIcon Distributed Ledger Technology
    KuCoin Shares
    API
    Automation
    Blockchain Development
    Node.js
    Python
    Cryptography
    Binance Coin
    Cryptocurrency
    Smart Contract
    Blockchain
    Solidity
  • $30 hourly
    Currently, Managing Director & CEO at Ruskin Felix Consulting LLC RFC is a global management consulting firm with a presence in 10 countries. We have worked with over 2,000 clients, raised more than $72 Million for our clients and worked in 160+ countries. Our 50 Member team specializes in specific divisions across different service verticals. As a global firm with a focus on Market Research, Business Planning, Strategy Formulation, Valuation and Investment Banking. Please visit our corporate website for further information on our operations. I am a Chartered Management Accountant and a fellow member of CIMA(UK) an AICPA(US), also a Certified Financial Planner (CFP) .
    vsuc_fltilesrefresh_TrophyIcon Distributed Ledger Technology
    Business Planning & Strategy
    Valuation
    Blockchain
    Game
    Startup Consulting
    Financial Modeling
    NFT
    Cryptocurrency
    Business Strategy
    Real Estate Financial Modeling
    Marketing Strategy
    Business Analysis
  • $70 hourly
    Greetings! I'm Bijon, a seasoned Full Stack LLM and AI Engineer with a passion for creating cutting-edge solutions that leverage the power of LLM and artificial intelligence. With a strong foundation in both front-end and back-end development, I bring a unique blend of skills that can transform your ideas into reality. Why Choose Me? ✅ Full Stack Expertise: I specialize in end-to-end development, ensuring seamless integration of AI technologies. From LLM, RAG to neural network implementation, I've got you covered. ✅ AI Wizardry: My AI skills encompass machine learning, natural language processing, and computer vision. I've successfully developed and deployed AI models for diverse applications, ranging from predictive analytics to image recognition. ✅ Custom Solutions: I understand that each project is unique. I tailor my approach to meet your specific requirements, ensuring that the solutions I deliver align perfectly with your business goals. ✅ Collaborative Approach: Communication is key to successful projects. I prioritize clear and transparent communication, providing regular updates and actively seeking your input throughout the development process. Services Offered: 🌐 LLM - OpenAI, Gemini 🤖 AI and RAG Solutions 🚀 Full Stack Development 📊 Data Analytics and Visualization Let's Build Something Extraordinary! If you're looking to harness the power of AI for your project, I'm ready to bring my expertise to the table. Let's collaborate to turn your vision into a reality. Feel free to reach out, and let's discuss how we can create something extraordinary together.
    vsuc_fltilesrefresh_TrophyIcon Distributed Ledger Technology
    LLM Prompt Engineering
    Appium
    Hyperledger Fabric
    API
    Blockchain Development
    OpenAI API
    AI Bot
    Golang
    JavaScript
    Python
    Ansible
    PHP
    Node.js
    WordPress
    React
  • $90 hourly
    I love to optimize systems, whatever they may be. I help make Data-Driven decisions. Through machine learning, AI, or any other methods, I will find the best way to manipulate the data at hand. My passion is in cryptocurrency/blockchain; feel free to ask me any questions about the cryptoverse!
    vsuc_fltilesrefresh_TrophyIcon Distributed Ledger Technology
    Data Management
    Data Scraping
    Cryptocurrency
    Translation
    Industrial Engineering
    Cooking
    Capital Markets
    SQL
    Machine Learning
    Data Science
  • $350 hourly
    I am a full-stack data scientist/data engineer with 15000+ hours on Upwork and many more offline. I am familiar with almost all major tech stacks on data science/engineering and app development. Front end: ui/ux, nodejs, react, angular Back end: micro service, rest api, database performance optimization CI/CD: jenkins, gitlab, Kubernetes Security: secure file transferring and oAuth etc ETL: scriptella, informatica, nifi Search Engine: elasticsearch Software Design Documentation: graphviz, mermaid Web scraping: Scrapy, Rotation Proxy, Selenium, Beautifulsoup Data Science: Python, Java, R, C/C++, NLP/NLG, AIGC, GPT-3, ChatGPT, HuggingFace, ML Predictive Modeling, Reinforcement Learning, Knowledge Graph Neo4j, Recommendation Engine, Deep Learning, Computer Vision, OCR, GAN, DeepFake, Stable Diffusion, Signal Processing, Voice Clone, Chatbot, Sports betting, Price Optimization, Time Series Analysis/Forecasting, Crypto, Solidity, Tokenomics etc. Research: Published around 100 papers on top-tier ML conferences and journals and 7 patents. I worked as a research scientist on machine learning and algorithm for IBM T.J. Watson Research Center, Industry Solution Group, from 2012 to 2017. I worked as a J2EE software engineer from 2006 to 2008. I obtained a Ph.D of Computer Science from University of California, Los Angeles, with major in Machine Learning and minors in Artificial Intelligence and Data Mining. I have been awarded the Most Outstanding Ph.D Graduate Award, the Northrup-Grumman Outstanding Graduate Student Research Award, the Chancellor Award for Most Outstanding Applicants, all from Computer Science Department, UCLA and the Chinese Government Award for Outstanding Chinese Students Overseas, 2010. I had worked as a consultant for many start-ups on various projects and I have solid background on both research and development.
    vsuc_fltilesrefresh_TrophyIcon Distributed Ledger Technology
    Data Scraping
    Smart Contract
    Binance Coin
    Blockchain
    Bioinformatics
    Predictive Analytics
    Python
    Machine Learning
    Recommendation System
    Computer Vision
    Chatbot
    Natural Language Processing
    Deep Learning
  • $25 hourly
    As a Full Stack Developer I have experience for over 7 years now and have expertise in the following skills: PHP | Laravel | NodeJS | ReactJS | Angular 2+ | React Native | MongoDB | MySQL | GraphQL | AWS Server | CI/CD | Azure DevOps | Amazon Amplify | Amzon S3 | Amazon EC2 | RESTFul API and System Deployment. My services at a glance: • Full stack development • Web app development • ERP Systems • CRM Systems • Backend & API development • Mobile app development • E-Commerce development • Database development • Payment gateways integration • Third Party API (Facebook, Twitter, Twillio, LinkedIn, etc.) • Azure, Docker, Heroku, AWS, Digital Ocean, etc. Technology stack: • PHP (Laravel, Zend, CodeIgniter, Yii, Symfony, etc) • NodeJS/Express/NestJS • MEAN / MERN • Socket.io • Angular (All Versions) • Vue.js • ReactJS/NextJS • React Native • HTLM5 & CSS3, JavaScript Databases / Datastores: • MySQL • PostgreSQL • MS SQL • RDS • MongoDB • Firebase Thank you for your time. I look forward to learning more about your project and would love to work with you and create something awesome!
    vsuc_fltilesrefresh_TrophyIcon Distributed Ledger Technology
    Azure DevOps Server
    CI/CD
    GitHub
    DevOps
    Node.js
    React
    Angular
    React Native
    Amazon Web Services
    PostgreSQL
    MongoDB
    AWS Amplify
    MySQL
    Laravel
    PHP
  • $200 hourly
    I am a tokenomics consultant with over 220+ projects of experience, which in turn have raised over 1 billion USD in funding. I focus on designing sustainable token economies for companies of all scales and businesses of all types. Too many projects in the crypto space follow a copy/paste approach to their tokenomics that can be devastating for the project in the long run. On the other side I believe in data-driven sustainable tokenomics design that adheres to the best practices in game theory and economics. I have also worked as a tokenomics advisor for multiple projects over long periods of time (2+ years) and have operational experience in being the CPO for a fully decentralized and permissionless crypto insurance project.
    vsuc_fltilesrefresh_TrophyIcon Distributed Ledger Technology
    Tokenomics
    Security Token Development
    Security Token
    Blockchain, NFT & Cryptocurrency
    Token Standard
    Reward Token
    Blockchain Tokenization
    Blockchain Development Framework
    Utility Token
    Ethereum
    Blockchain
    Initial Coin Offering
    Machine Learning
    Python
  • $50 hourly
    Successfully Developed multiple deFy projects using C++, ethereum, Blockchain, Solana, Polygon, Rust, React.js etc
    vsuc_fltilesrefresh_TrophyIcon Distributed Ledger Technology
    Blockchain Development
    NFT Marketplace
    Solidity
    Blockchain, NFT & Cryptocurrency
    Crypto Wallet
    Ethereum
    Blockchain Architecture
    Polkadot
    Blockchain
    Tailwind CSS
    C++
    Node.js
    React
    PostgreSQL
    Rust
  • $50 hourly
    I am based in Los Angesles, California. 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, NEO, Ethereum and Steem etc I am also expert in all cryptocurrency exchange APIs (BitMEX, Bittrex, Binance, Bitfinex, Kraken, Poloniex, Gdax etc.). I have also worked with multiple Forex broker APIs. I use Python to extract pricing data from different exchanges: Bitfinex, Bitmex, Binance, Bittrex, Binance, Huobi and others. Also using Python to test and implement different trading strategies, using all sort if indicators: RSI, StochRSI, Bollinger Bands, Moving Averages, etc I am experienced with the ICO process as the founder of a blockchain solution and understand the process of technical development, building community, staying compliant, and the many aspects of bringing a blockchain solution successfully to market. I handle technology in-house and have platforms built in the USA for token distribution including: -ERC20 or ERC223 smart contracts -Smart contract audits -Creation of API's to link your native token to a web platform -Secure node development -Sales platform services -KYC/AML integration -On-platform wallet creations For content I have experience in production of: -Full and optimized White Paper creation (busy currently so only consulting for WP's) -Tokenomics adjustments or creation -Game theory integrations -Social media channels and bots where appropriate Since the start of 2013, I have investigated cryptocurrency technology in depth: - I have studied parts of the bitcoin, peercoin, memorycoin and bytecoin (cryptonote) source code. - I have studied the bitcoin, litecoin (scrypt) and primecoin PoW algorithms in great detail. I have developed an OpenCL/GPU implementation of the bitcoin and litecoin hashing algorithms from scratch. - I have developed an automated trader for the BTC-E exchange. I have also implemented interfaces to ripple, bter and mtgox in order to gather market data. - I have experimented with setting up p2pools for altcoins. - One of my last completed jobs involved establishing communication through the RPC-JSON interface to monitor withdrawals and deposits of bitcoin and other compatible altcoins, as well as the equivalent for NXT (which has a unique interface). 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, AWS, PHP, Truffle, Solidity, Angular, Angular Materials, Ionic, NodeJS, VueJS, Laravel, Yii and all the related technology stack.
    vsuc_fltilesrefresh_TrophyIcon Distributed Ledger Technology
    DApps User Experience
    VeChain
    Ethereum
    Binance Coin
    Cryptocurrency
    TRON
    Bitcoin
    Smart Contract
    Solidity
    Blockchain
  • $30 hourly
    Hi, I am Kapil, I am an experienced blockchain developer having 4+ years of expertise in designing, and coding end-to-end blockchain solutions. I have overall 5+ years of experience in web and mobile application development, I am a react expert developer, and I have successfully delivered many defi, fungible and nonfungible token-based projects. I can help in the hands-on coding smart contracts and provide consultancy in all the steps of blockchain project execution. I have developed many smart contracts for various Blockchains like Ethereum, Polygon, Binance, Tron, Flow, Solana etc. I have developed ERC20 tokens for ICO and having experience in listing them on exchanges. Worked on NFT projects by implementing ERC 1155, ERC 721 standards etc
    vsuc_fltilesrefresh_TrophyIcon Distributed Ledger Technology
    Ethereum
    Python
    Blockchain, NFT & Cryptocurrency
    Blockchain Development
    NFT
    Solidity
    Rust
    NFT Marketplace
    React
    Node.js
    Solana
  • $40 hourly
    With my extensive background as an experienced software engineer and blockchain developer, I possess in-depth knowledge and skills in designing, implementing, and overseeing intricate software applications. Having accumulated over 6 years of industry experience, I have cultivated a diverse proficiency in software development utilizing various programming languages, frameworks, and databases. In addition to my software development expertise, I possess a comprehensive understanding of effectively scaling solutions to meet client requirements. I am well-prepared to assist you in navigating the complex process of launching a successful web3 project, offering a refreshing alternative to the often unsatisfactory experiences encountered with inexperienced freelancers or under qualified developers. If you are seeking a dependable and seasoned professional to bring your vision to fruition, your search ends here. I maintain flexible pricing, which is subject to negotiation and depends on the project scope and timelines. My professional services include, but are not limited to, the following: Cryptocurrency & Blockchain Development: ✅Smart Contract Creation {​​​​​​​​​ Tokens | NFTs | DAOs | Flash Loan | Arbitrage | and more... }​​​​​​​​​ ✅NFT Marketplace Development ✅Smart Contract Auditing ✅Decentralized Applications (dApps) ✅EVMs {​​​​​​​​​ Solidity }​​​​​​​​​ ✅Parachains {​​​​​​​​​ Rust | Partisia | Luna | Substrate }​​​​​​​​​ ✅Web3.js Web Development: ✅HTML | CSS | JavaScript | PHP ✅Web3 JS | React JS | Angular | Typescript ✅Database {​​​​​​​​​ MySQL | PostgreSQL | MongoDB | and more... }​​​​​​​​​ Mobile App Development: ✅iOS {​​​​​​​​​ Swift | Objective-C }​​​​​​​​​ ✅Cross-Platform Compatibility ✅Flutter ✅React Native Other: ✅Dev Ops Support ✅ Bot Development ✅Technical & Whitepaper Creation ✅Tokenomics Consulting ✅Business Consulting I offer additional services beyond the ones mentioned above, so please feel free to inquire about specific requirements.
    vsuc_fltilesrefresh_TrophyIcon Distributed Ledger Technology
    Web Application
    Front-End Development
    React
    Amazon Web Services
    Avalanche
    DApps
    Cryptocurrency
    Blockchain
    Web3
    Node.js
    JavaScript
    Solidity
    Smart Contract
    Blockchain Development
  • $95 hourly
    **EXPERT VETTED BY UPWORK** Top 1% in Mobile App development, data warehousing and AI/ML I lead a small talented team of software engineers and designers. So instead of getting one expert on your team, you will always get a team of experts. Executing greenfield projects is something that we enjoy! I guarantee you: My team will provide the best value that you can find. Why work with me: - My DC-based company Oaktreeapps.com is a data-first dev shop using bleeding edge tech stack. - Have successfully launched apps in the marketplace for platforms such as Corra & Helios. - Have successfully launched projects for companies like PGA, Sweetwater and Federal. - Currently serve as a CTO for a Techstars backed startup. - AWS certified team for all things dev-ops. - Mentor at Polygence We are a team with decades of experience working on: || Enterprise grade mobile apps || AI/ML || Data warehousing 1. Enterprise grade apps 2. Social media apps 3. Multimedia consumption apps 4. Connected car apps 5. Healthcare apps 6. Hyperlocal apps Data warehousing tools we use: || Snowflake, Apache Superset , LLM || Web 2.0 tools we use: 1. MERN stack 2. Flutter/Dart for cross-platform mobile development 3. Snowflake, AWS, Apache Superset 4. In house LLM models that can be used for proprietary data processing We understand that finding the right candidate for the job can be tedious and stressful. That's why when you choose to work with us, we shall make things as simple and easy as possible, striving hard to provide you with a 100% stress-free experience. Let's have a chat about your product needs, and let us help you grow your business. Thank you!
    vsuc_fltilesrefresh_TrophyIcon Distributed Ledger Technology
    React
    Node.js
    Swift
    Apple Xcode
    Android
    MongoDB
    Ethereum
    Kotlin
    Vue.js
    Blockchain Development
    Blockchain
    Smart Contract
    Flutter
    AWS Server Migration
  • $25 hourly
    🏆👨‍💻️ Worked with Fortune 500 Companies 👨‍💻️🏆 ✅Expert in Ethereum, Stellar, Polygon, Hyperledger, Hedera ✅ 💯 100% Job Satisfaction💯 ☎️ Excellent Communication Skills☎️ 💻 8 + years of overall expertise in Blockchain and Back-end Development 💻 I am a Proficient Blockchain Lead and Consultant with a strong history in Blockchain Development. Have Hands-on working experience with: 1. Arbitrage Bot: Direct, Triangular, Loop, Intra Exchange. 2. NFT Marketplace and NFT's Creation 2. Smart contract writing and Auditing 3. Blockchain-based Wallet 3. Liquidity Minting Protocol: Aave Flash Loan 4. DeFi and dApps 7. Staking and Lending platforms For over 8+ years I have been focussing on enterprise and fintech systems, Blockchain and Crypto-related projects, building custom Apps, Crypto Gambling and Betting platforms, Trading Platforms and Exchanges, crypto lending, and payment solutions. ✔ Smart contracts development: Solidity on Ethereum (ETH) and Binance Smart Chain (BSC), Tokens Creation and smart-contract dApps ✔ Blockchain stack : Web3, Solidity, Infura, Hardhat, Truffle, OpenZeppelin, MIST/Remix, BTC, ETH, TRON, USDT, Solana ✔ Wallets and Clients: Phantom, Blockto, Geth, Parity, Gemini Mist, Metamask, Ganache ✔ APIs we work with: KuCoin, Bittrex, Bittrex Global, Coinbase Pro, Binance, Kraken, Poloniex, Huobi, Gemini, Bibox, BitMart, Huobi Global, HitBTC, OKEX, Bitstamp. ✔ Web Stack: Web3.js, Ethereum, Solidity, Truffle, Hardhat, Polygon, BSC JavaScript/ Typescript, Vue.js, React.js, Node.js MySQL, MongoDB, Redis Are you searching for a Blockchain Consultancy provider that listens to your needs? Your search ends here! We at SparxIT provide the best Development and consultancy services for your business. Our Developers and consultants adopt the market updates and collect the minutest details to build value and drive business growth. Let’s plan something incredible together!! Cheers!
    vsuc_fltilesrefresh_TrophyIcon Distributed Ledger Technology
    Angular 10
    Solana
    Ethereum
    Blockchain, NFT & Cryptocurrency
    Crypto Wallet
    Hyperledger Fabric
    Mobile Wallet
    NFT Marketplace
    Smart Contract
    Blockchain Development
    Blockchain Platform
    Solidity
    Node.js
    Python
    React
    iOS Development
    Android App Development
    Mobile App Development
    React Native
    Swift
    Android Studio
    Hybrid App Development
    Native App Development
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