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Clients rate Blockchain developers
Rating is 4.6 out of 5.
4.6/5
based on 387 client reviews
  • $50 hourly
    • 5.0/5
    • (83 jobs)
    🚀 150+ Projects Completed | 7-Figure DeFi Protocols TVL | Multi-Million $ NFT Collection Launches Navigating the blockchain space for over 4 years, building secure and optimized smart contracts for various DeFi protocols and NFT-oriented projects. My journey includes experience at two leading national web3 service provider companies, where I worked on a ton of projects in DeFi, NFTs, and interoperability, learning a great deal along the way. Not just smart contracts—I’ve also developed arbitrage, MEV, and other bots, built subgraphs, handled web3 integrations, and delivered full-stack dApp solutions. Explore more about my experience and certifications below—or even better, let’s schedule a call to discuss your project. I’d love to share insights and suggestions that could make a real impact on your project, whether or not we decide to work together. P.S. My expertise spans all EVM-compatible blockchains and Solana! I'm familiar with all ERC standards (ERC20, ERC721, ERC1155, ERC721A, DN404, ERC4626, ERC1822, ERC2535, ERC6909, ERC1167, and more) as well as DeFi protocols (Uniswap, Balancer, Curve, Aave, Compound, MakerDAO, 0x, 1inch, CoWSwap, and more).
    Featured Skill Blockchain
    AI Development
    MERN Stack
    DApps
    Blockchain, NFT & Cryptocurrency
    Smart Contract Development
    Solana
    Blockchain Development
    NFT Marketplace
    Ethereum
    NFT Minting
    DeFi
    Web3
    Smart Contract
    Solidity
  • $35 hourly
    • 4.7/5
    • (35 jobs)
    Hey there! I’m a full-stack developer passionate about building smart, reliable solutions. From Web3 projects (smart contracts, DEXs, token bridges) to backend systems (Node.js, PHP, gRPC) and real-time Telegram bots, I’ve got you covered. I also work with Flutter to build VPN apps and love creating custom IoT setups with Raspberry Pi. Whether you need a secure blockchain app, a trading bot, or a scalable backend, I’m ready to help bring your ideas to life.
    Featured Skill Blockchain
    API Development
    MongoDB
    Wax
    Blockchain, NFT & Cryptocurrency
    Blockchain Architecture
    Node.js
    Solidity
    JavaScript
    NFT
    Smart Contract
    EOS
    Web3
    Metaverse
  • $60 hourly
    • 5.0/5
    • (5 jobs)
    🏷️Blockchain Engineering 🏷️ Fast MVPs 🏷️ DeFi Consultation 🏷️ Smart Contracts 🏷️ Solana • Ethereum • Starknet • XRP 🏷️ Full-Stack Development Bringing 5+ years of experience delivering production-ready DeFi solutions, smart contracts, protocols, and developer tools across Solana, Ethereum (EVM), Starknet, and enterprise blockchains like Hyperledger Fabric. ⚡️ QUICK HIGHLIGHTS Delivered 7+ Token Generation Events (ICO/IDO/STO) from concept to mainnet $33M+ Total Value Locked (TVL) in DeFi products Secured a Starknet Grant for A51 Finance (Layer 2/ZK) 1st Place – Starknet Hackathon at Devcon Thailand 2024🥇 Built Spock Analytics (on-chain/off-chain DeFi data platform) 28+ DApps across EVM, Solana, Starknet Engineered a Solana liquidity aggregator inspired by Jupiter 🌟 FEATURED PROJECTS Kerberus.com – Raised funding, acquired Fire. Led Solana browser extension wallet dev with smart contracts and RPC optimization. A51.finance – Grant-winning DeFi protocol with advanced Layer 2 integrations. spockanalytics.xyz – Built on-chain/off-chain analytics with Dune dashboards and real-time DeFi data. OrbitMM Competitor – Volume Bot Booster – Engineered bot to automate trading and boost on-chain DEX volume. 🛠️ TASKS I CAN OWN FOR YOU ✅ Smart Contract Development • Solidity (EVM), Rust (Solana), Cairo (Starknet) • Audit-ready, security-focused contracts • ERC-20, ERC-721, ERC-1155 • ZK integrations, upgradeable patterns ✅ Frontend Development • React.js, Next.js, Angular • Web3.js, Ethers.js integrations • Wallet Connect, MetaMask, Phantom • Dune dashboarding, NFT marketplaces ✅ Backend Development • Node.js, Golang, Python • REST, GraphQL, gRPC APIs • Middleware/relayers, smart contract testing • Agentic AI integrations ✅ Blockchain Infrastructure & Protocol Engineering • Custom SDKs, CLI tools, APIs • Cross-chain bridges, Layer 2 rollups • Consensus mechanisms (PoW, PoS) • Node setup, governance modeling • Hyperledger Fabric, Quorum, Multichain ✅ Third-Party Integrations & Developer Tools • Oracles, The Graph indexing • IPFS, Arweave storage • Wallet/payment gateway integration ✅ DevOps & Deployment • CI/CD for smart contracts • Docker, Kubernetes • RPC orchestration, cloud infra (AWS, GCP) • Mainnet/testnet workflows ✅ On-Chain Research & Tokenomics • DeFi data pipelines & analytics • Dune dashboards • Tokenomics and financial modeling • ICO/IDO/STO strategy • Yield farming, liquidity mining design 🌐 Blockchain Ecosystems & Tools Ethereum, Ethereum 2.0 • Solana • Starknet • Tron • Hyperledger Fabric • Quorum • Multichain • IPFS • Arweave • Layer 2 rollups • Oracles • Wallet integrations • Agentic AI • The Graph • Dune Analytics I believe in trustless systems, secure smart contracts, and real-world blockchain adoption. My focus is on security, scalability, developer experience, and open-source collaboration. Let’s build next-gen Web3 products together! Thanks for reading, Syed Noor
    Featured Skill Blockchain
    Telegram API
    Web3
    React
    Node.js
    Full-Stack Development
    Artificial Intelligence
    Crypto Wallet Development
    Cryptocurrency
    DApp Development
    JavaScript
    DeFi
    Rust
    Solana
    Ethereum
  • $40 hourly
    • 5.0/5
    • (6 jobs)
    📐 Fractional CTO | 🔧 Technical Project Management | 🤖 n8n Automation | 🏗️ Software Architecture | 🧠 AI & Machine Learning | 🔗 Web3 Solutions | 📊 Agile & Scrum Leadership Hello, I'm a seasoned Technical Project Manager and Software Solution Architect with over 10 years of experience leading software development projects across e-commerce, healthcare, and fintech sectors. I've successfully completed over 50 projects, delivering scalable solutions that align with business objectives and drive measurable results. My approach combines strategic oversight with hands-on technical execution, ensuring that each project is delivered on time, within budget, and to the highest quality standards. 🚀 Technical Project Management: Expert in managing end-to-end software projects, ensuring technical soundness, timely delivery and alignment with business goals. 🔧 Technical Leadership: Proficient in leading cross-functional teams, optimizing workflows, and enhancing technical performance. n8n Automation 🤖 Expertise in n8n automation to streamline repetitive tasks and integrate various systems seamlessly, improving operational efficiency. 📊 Business Intelligence: Skilled in crafting data-driven strategies to inform decision-making and drive growth. 🤖 AI & Machine Learning: Specialized in developing AI-driven solutions and machine learning models to solve complex problems. 🔗 Web3: Experienced in implementing secure, decentralized systems using blockchain technology. 🛠 Software Architecture: Adept at designing scalable architectures for diverse applications, ensuring robustness and flexibility. 🚦 Agile & Scrum: Certified in Agile methodologies, leading teams using Scrum practices for efficient project execution. Looking to turn your project into a success? Send me a message, and let’s discuss how we can achieve your goals together! Please reach out on Upwork for further inquiries or visit tnmco.uk for portfolio.
    Featured Skill Blockchain
    Project Schedule & Milestones
    Agile Project Management
    User Stories
    Scrum
    Agile Software Development
    DevOps
    Team Management
    ClickUp
    Jira
    Business with 1000+ Employees
    Product Management
    Technical Project Management
    System Deployment
    AWS Application
  • $40 hourly
    • 4.8/5
    • (27 jobs)
    Greetings, I’m Haider Ali. With over five years of professional engineering experience, I specialize in designing sophisticated backend architectures and implementing scalable cloud solutions. My expertise extends to advanced programming with Python, Django, and Flask, and leveraging cutting-edge technologies like PyTorch, TensorFlow, and YOLOv8 for AI-driven applications. Core Competencies: • Sophisticated Backend Development: Lead and innovate with Django and Flask, integrating robust databases such as PostgreSQL and MySQL to support enterprise-level applications on platforms like AWS and Azure. • Expert Cloud & DevOps Strategies: Direct complex deployments using Docker and Kubernetes across Linux-based environments, ensuring optimal scalability and security. • Advanced AI Implementations: Develop state-of-the-art AI models using TensorFlow, PyTorch, and YOLOv8, and employ predictive analytics with XGBoost and LightGBM to drive strategic decision-making. • Data Analytics Excellence: Utilize Pandas to conduct sophisticated data analysis, transforming large datasets into actionable insights that propel business objectives. Ready to leverage my extensive experience and technical acumen to enhance your digital solutions? Let’s connect to explore how my leadership in integrating cutting-edge technologies can bring unparalleled value to your projects.
    Featured Skill Blockchain
    Blockchain Development
    Docker
    Selenium
    Database
    Django
    Beautiful Soup
    Flask
    Scrapy
    Git
    RESTful API
    Smart Contract Development
    API
    PostgreSQL
    MySQL
    Python
  • $35 hourly
    • 5.0/5
    • (5 jobs)
    Turn months into days with AI-powered development. Top Rated Plus developer with $30K+ earnings with 100% success rate and ICPC World Finalist achievement. 🎯 WHAT I DELIVER: ✔️ AI-Enhanced Development (3x-10x faster delivery) ✔️ Unity Games (15+ delivered globally) ✔️ Flutter Apps (cross-platform with AI integration) ✔️ Full App Store & Play Store deployment ✔️ Landing pages, web deployment & hosting setup 🌟 FEATURED PROJECTS: ✔️ AIChef: 4-month project → 2 weeks, ready for App Store! ✔️ AR Planes: Real-time flight tracking in AR using OpenSky data ✔️ AR Real Estate: Property visualization using Datafiniti & Mashvisor ✔️ Repocket: Complex internet sharing SDKs ✔️ NFT AR Viewer: 3D NFTs in augmented reality ✔️ Elemental Universe: 2D turn-based multiplayer NFT game ✔️ Lecture Notes AI: Smart learning platform, web & mobile 🌍 GLOBAL PARTNERSHIPS: ✔️ Geonode (Singapore) ✔️ ARCortex (San Francisco, USA) ✔️ SPK Labs (Australia) ✔️ Raqts (Boston, USA) ✔️ Convisiono (USA) ✔️ Nystag (USA) ✔️ Zweidevs (Pakistan) ✔️ Innovage (Pakistan) ✔️ GameTrain (Pakistan) Featured on Mooroo's podcast. 100% Job Success. Enterprise-quality guaranteed. → Available for full-time, part-time, or project-based work. Flexible scheduling to match your needs. → Need lightning-fast delivery with full publishing support? Let's talk!
    Featured Skill Blockchain
    WebGL
    Mobile App Development
    Firebase
    Git
    Game Development
    Flutter
    Photon Unity Networking
    iOS Development
    MERN Stack
    Bug Fix
    Unity
    Online Multiplayer
    Unreal Engine
    C#
  • $45 hourly
    • 5.0/5
    • (12 jobs)
    Hi there! I’m a versatile Game Developer & Designer with 7+ years of hands-on experience in creating captivating games for mobile, PC, WebGL, and Blockchain platforms. My expertise spans Unity, C#, multiplayer networking, NFT integration, and immersive storytelling, allowing me to build diverse gaming experiences—from hyper-casual mobile hits to NFT-powered metaverse games and story-rich adventures. Available for: 📱 Mobile Games | 🖥️ PC & WebGL | 💎 NFT/Blockchain Games | 🌍 Multiplayer Games | 📖 Story & RPGs 🛠️ What I Build: ✔ High-Quality Game Development – From concept to launch (coding, assets, UI, optimization) ✔ NFT & Blockchain Games – Wallet integration, Smart contracts, Play-to-Earn (P2E) mechanics ✔ Multiplayer & Online Games – FPS, Battle Royale, MMORPG, Racing, Endless & Much more ✔ Metaverse & Web3 Experiences – 3D virtual worlds, land development, interactive NFTs ✔ Mobile & WebGL Games – Hyper-casual, racing, RPGs (Android, iOS, WebGL with any wallet) ✔ AR/VR Development – Immersive Oculus and mobile AR experiences 💡 My Core Services: ✅ Full-Cycle Game Development (Mobile, PC, Web, VR) ✅ AAA Game Systems: Realistic graphics, scalable architecture, advanced AI ✅ Multiplayer Games: Photon PUN & Fusion, AWS, Steam, Custom Servers, Playfab, Matchmaking ✅ Blockchain/NFT Games ✅ Web3 wallet integration (MetaMask, Wallet Connect, Unisat, Xverse, Phantom, Magic Eden) ✅ NFT minting, trading, and in-game use ✅ Custom APIs & Cross-Platform Integration ✅ In-App Purchases & Monetization ✅ Cutscenes & Cinematics ✅ Performance Optimization: Smooth gameplay across devices ✅ Bug Fixing & Game Polish: Clean code, smooth user experience 🌟 Why Choose Me? ✔️ 7+ years of hands-on experience in Unity & Unreal ✔️ Delivered high-performance games with stunning visuals ✔️ Deep understanding of both gameplay mechanics and player experience ✔️ Reliable, fast communication and on-time delivery ✔️ Trusted by clients worldwide for quality and innovation Let’s build your next big game together—whether it’s a blockbuster-level title, a multiplayer experience, a mobile hit, or a Web3-powered NFT game. 📩 Send me a message and let’s start turning your vision into reality.
    Featured Skill Blockchain
    Web Development
    Game Asset
    Game Consultation
    PSD to HTML
    3D Animation
    Game Trailer
    Game Design
    Metaverse
    Game Development
    Mobile App Development
    Game Design Document
    Unreal Engine
    Unity
  • $50 hourly
    • 5.0/5
    • (18 jobs)
    I am Arbaz CEO and Founder of Blockkeepers Global a leading Blockchain accounting, Crypto accounting, and Crypto tax services firm, I am a Certified Public Accountant(CPA), Certified Cryptocurrency Expert (CCE), Chartered Management Accountant(CMA), and Crypto Tax Accountant with five years of experience in financial accounting and more than three years of experience in crypto tax accounting, Since 2019 I've been helping Clients from the UK, US, Germany, Australia, Switzerland, France, Spain, and other countries. -DIFI, DAO, NFT Expert -Proficiency in top crypto tax software like Koinly, Contracking, Zenledger, and TurboTax. -Expert on blockchain and Block explorer Don't Look Further you are at the right place send a message and get expert services.
    Featured Skill Blockchain
    NFT
    Crypto Asset
    US Taxation
    Taxes
    Crypto Wallet
    Blockchain, NFT & Cryptocurrency
    Cryptocurrency
    Tax Preparation
    Tax Accounting
    Financial Accounting
    Intuit QuickBooks
    Bookkeeping
    Bank Reconciliation
    Accounting Software
  • $35 hourly
    • 5.0/5
    • (31 jobs)
    🚀 Boost Your Online Presence with Stunning Websites! 💻✨ 👨‍💻 Are you looking for a dedicated web developer & designer to take your online presence to new heights? Look no further! I specialize in creating custom websites using the power of Shopify. With 5+ years of experience and a proven track record of success, I have helped numerous clients enhance their online presence and generate impressive results. 🔧 Convenience and Efficiency Under One Roof: Streamline your web design and no-code projects by entrusting them to me. With expertise in multiple platforms, I provide a one-stop solution for all your web design needs, saving you time and effort. Key Expertise 🌟 ✅ WordPress, Webflow, and Shopify, ✅ HTML5, CSS3, Bootstrap ✅ Expert in converting designs to pixel-perfect code 💡 Why Choose Me? 💡 ✨ Swift Turnaround: Need a website within 24-48 hours? I've got you covered with modern, minimalist designs and seamless mobile responsiveness. ✨ Design Conversion Maestro: Proficient in transforming preset designs from Figma, XD, and PSD to HTML5, CSS3, and Bootstrap. 🔧 Fields of Expertise 🔧 CMS 1️⃣ WordPress 2️⃣ Shopify 3️⃣ WebFlow 💎MY SKILLS AND SERVICES💎 ✅ Rebuilding or redesigning any website/web page on WordPress/Webflow; ✅ Full-stack developer WordPress/Webflow/HTML/CSS/JavaScript; ✅ Long-term partnerships with website maintenance, webmaster, and ongoing website support ✅ Conversion of Figma/Photoshop Adobe designs for custom WordPress/Webflow websites; ✅ Proficiency in page builder like Elementor; ✅ WordPress bug fixing; ✅ WordPress Multi-Site & Landing page; ✅ WordPress Plugin Development & Customization; ✅ WordPress speed optimization; ✅UX/UI prototyping; ✅ Ensuring full responsiveness across tablets, mobile and desktop devices; ✅ Creating and optimizing WooCommerce website; ✅ Social Media Integration; ✅ Google Maps Integration; ✅ Facebook Pixel Integration; ✅ Mailchimp Integration; ✅ Payment gateway setup; ✅ Online payment integrations; ⚡️MY STRENGTH⚡️: ✅ Flexible for any client's wishes; ✅ My style design: minimalist, sleek, modern, and clean. ✅ I have 5 years of experience in WEBDESIGN and creating LOGO; ✅Expert in CSS, HTML, JavaScript, PHP ✅UI/UX experts; ✅ 24/7 support; ✅ maintenance during and after the project; Ready to elevate your online presence? Let's have a quick discussion about your company and requirements. Reach out, and let's create something extraordinary together! Looking forward to the opportunity, Mustafa A. 🚀 Keywords: Shopify Store / Store Design / Shopify Experts / Figma / XD / Photoshop / Shopify App Creation / Development / Customization / Website Design / Store Setup / Theme Customization / App Development / Migration / Expert / Developer / Store Management / SEO / Dropshipping / Marketing / Optimization / Maintenance / Integration / Payment Gateway / Responsive Design / Redesign / Backend Development / Frontend Development / API Integration / Plugin Development / Store Enhancement / Audit / Security / Product Listing Optimization / Speed Optimization / Troubleshooting / Analytics / Localization / Multilingual Setup / Upgrade / Management Tools / Social Media Integration / Inventory Management / Order Management / Abandoned Cart Recovery / Branding / Sales Optimization / Customer Support Integration / Subscription Setup / Wholesale Setup / Affiliate Marketing Setup / Print-on-Demand Setup / Website Migration / Mobile App Development / Responsive Design Optimization / Training & Tutorials / Consultancy / Redesign Services / Website Maintenance / Website Support / Theme Installation / Theme Customization Services / Store Setup Assistance / Product Upload Services / Store Setup Tutorial / Design Consultation / Migration Services / Store Revamp / Troubleshooting Services / Security Setup / Speed Optimization Services / Management Consultation / Analytics Setup / Performance Analysis / Multilingual Support Services / Upgrade Assistance / Management Software / Social Media Marketing / Content Marketing / Inventory Optimization / Order Fulfillment Services / Abandoned Cart Recovery Services / Brand Identity Creation / Sales Analysis / Customer Service Optimization / Subscription Management / Wholesale Management / Affiliate Marketing Management / Print-on-Demand Integration / Data Migration
    Featured Skill Blockchain
    Shopify Apps
    Product Sourcing
    Shopify Templates
    Shopify Theme
    Full-Stack Development
    React
    Web Development
    MERN Stack
    Smart Contract
    Front-End Development
    Back-End Development
    Node.js
    WordPress
    Shopify
  • $35 hourly
    • 5.0/5
    • (13 jobs)
    Looking for a content writer with subject knowledge in depth and original content with no plagiarism ? You are at right profile. 5+ years of professional writing experience and a 100% Job Success Score on Upwork, I specialize in complex yet readable content in: • Cybersecurity • HR & Workplace Tech • Block chain / Crypto / Fintech • IT and SaaS • AI & Automation • Tech and IT "Content is the reason search began in the first place." – Lee Odden "Content builds relationships. Relationships are built on trust. Trust drives revenue." – Andrew Davis Words work as world changers, but their execution makes all the difference; they can either raise or diminish your brand. I offer comprehensive content creation services in accordance with: o SEO-optimized and research-backed writing o Simplified technical language (no jargon overload) o Brand-aligned tone and structure o Ghostwriting for C-level blogs, SaaS firms, HR tech, IT, and crypto startups With collaboration, we can turn your vision into a reality with captivating words that will mesmerize the world."  My input of expertise will ensure that your message is clear, effective, and impactful, helping your brand stand out in a congested digital landscape. Portfolio samples available below. Let’s connect and take a 1st step to bring clarity and authority to your content.
    Featured Skill Blockchain
    Cybersecurity Tool
    Technical Writing
    Tech & IT
    Creative Writing
    HR & Business Services
    IT Project Management
    Content Website
    Content SEO
    Amazon Seller Central
    Website Copywriting
    Blog Writing
    AI Content Creation
    Content Writing
  • $40 hourly
    • 4.9/5
    • (18 jobs)
    Get 2X-5X more returns from your Project! $30K+ from clients all over the world 🏆 5+ years Blockchain & AI Development experience 🥇 Help me Reach #1 on Upwork worldwide Clients that work with me are at LEAST 2Xing from their delivered projects. Past clients include: Crypto Index Pool Degen Forest Athlea AI Smart Contract Audit LINQ Group 10+ Others Working with me, you will: ★ Find all services for a Dapp under one roof from design to development to audit! ★ Work with an expert Full Stack Blockchain Development Team ★ Receive complimentary discounts & offers on bulk ordering services ★ Turn your Proof of Concept into a market fit product ★ Get free consultation and guidance on your Web3 roadmap My clients have a LOT to say about me: 👉 I couldn't recommend Nabeel enough - He is 100% the investment! - Crypto Index Pool Staking App CEO whose project has $1.8M Locked in TVL. 👉 The development process was smoother than ever, One of the best devs I have worked with who has ample blockchain experience - LINQ Group CEO whose Token Market Cap is $3,977,794 👉 He took on a tough challenge, Nonetheless he delivered exactly what I was looking for! - Degen Wallet Owner which has 100+ Downloads on the play store My stats: ● Developed P2E card games such as wagmigame.io ● Successfully developed 5+ ICO's from scratch ● Clients raised $100K plus delivered products What I look for in a new client: ● Open mind, relaxed attitude ● Values integrity & long term relationship ● Focused on improving, lets their actions speak louder than words ● Knows the project scope, and is willing to invest for the best outcome Sound like a fit? Next steps: 📺 Watch my portfolio projects on my Upwork profile 🟢Press '...' button then ‘Send Message’ button in the top right-hand corner Expertise: 👉Blockchain Development, 👉Blockchain Protocol Development 👉Smart Contract Development 👉Web3 Development 👉Web3 Integration 👉Smart Contract Audit 👉Smart Contract Optimization 👉Dapp Development 👉Decentralized Exchange 👉Centralized Exchange 👉NFT Minting Engine 👉NFT Marketplace Development 👉NFT Staking Application 👉DAO Development 👉Token & Stablecoin Development 👉ICO Presale Development 👉Full Stack Development 👉DeFi Application development 👉Full Stack Development 👉AI Chatbot Development 👉AI & OpenAI ChatGPT Development
    Featured Skill Blockchain
    Security Token Development
    Initial Coin Offering
    Layer 2 Blockchain
    Blockchain Platform
    Blockchain Tokenization
    Blockchain Development Framework
    Blockchain Development
    Blockchain Security
    DApps
    DApp Development
    Blockchain Architecture
    Web3
    Smart Contract Development
    Blockchain, NFT & Cryptocurrency
  • $50 hourly
    • 5.0/5
    • (11 jobs)
    ⭐️ 100% Job Success ⭐️ Top Rated Plus ⭐️ Top 3% of Freelancers I am a Top 3% AI, Web professional with expertise in Natural Language Processing (NLP), Machine Learning (ML), and Large Language Models (LLMs), backed by over 3 years of industry experience. With 8 years of AI & Full Stack development experience specializing in Computer Vision, HIPAA-compliant healthcare solutions, and advanced AI systems using Flask, Python, TensorFlow, PyTorch, OpenCV, scikit-learn, and modern LLM frameworks. Expertise includes developing intelligent chatbots, NLP applications, medical imaging analysis, and HIPAA-compliant AI solutions for healthcare environments. Proficient in deploying scalable AI models using Flask APIs, implementing computer vision algorithms for real-world applications, and integrating large language models for conversational AI and document processing. Over the course of my career, I have received excellent reviews from clients on Upwork for consistently delivering high-quality, compliant, and innovative AI solutions. I deliver top-quality work 🎓 Specialization: My expertise lies in Web, Mobile, NLP, ML, and LLM technologies, encompassing renowned models like Google Palm, Claude, Bard, GPT3 and GPT4. I craft custom Chatbots utilizing Open AI, langchain, and vector databases such as pinecone. From text classification to sentiment analysis, I cover a wide spectrum of services. For web and mobile app development, React.js, React Native, Flutter, Python, Django, Node.js, Laravel, and CSS. 🔧 Technical Acumen: I'm well-versed in a myriad of models like Chat GPT, GPT4, Llama, and Falcon. My proficiency extends to training and fine-tuning open-source LLMs like Llama, mpt7b, and Falcon. 🚀 Innovative Approach: If you're in need of semantic search or high-quality embeddings, I specialize in building state-of-the-art semantic search systems using sentence transformers, ensuring tailored results. 💬 Conversational AI: Let me assist you in developing advanced chatbots or conversational AI solutions using Chat GPT, Google Palm, Auto gen, Python, RAG, and vector databases. My expertise also includes sequential data analysis, time series forecasting, and code debugging. Client's satisfaction is my goal! Quality than quantity! I am ready to grow your business together very well. Thank you
    Featured Skill Blockchain
    Bot Development
    Smart Contract Development
    Solana
    Blockchain Development
    Natural Language Processing
    JavaScript
    Deep Learning
    Artificial Intelligence
    Website
    Python
    React
    Chatbot
    ChatGPT
  • $40 hourly
    • 5.0/5
    • (12 jobs)
    I’m a highly skilled blockchain developer and smart contract auditor with deep expertise in Solidity, security auditing, and Web3 integrations. My focus is on building secure, efficient, and scalable blockchain solutions for DeFi, staking, and token ecosystems. 🚀 Key Strengths & Skills • Smart Contract Development – Secure, gas-optimized Solidity contracts for DeFi, staking, and governance. • Security Auditing – 3+ years of experience auditing high-value protocols, identifying & mitigating vulnerabilities. • Blockchain Expertise – Hands-on experience with Ethereum, Avalanche, and Cosmos ecosystems. • Backend & Web3 Integration – Node.js, Python, and Web3.js for wallet authentication, API integrations & dashboards. 🏆 Notable Achievements • Secured $500M+ in assets through smart contract audits and security enhancements. • Ranked in the top 5% on Code4rena, Sherlock & Codehawk for blockchain security. • Built & optimized 20+ smart contracts, handling complex staking, profit distribution & fee structures. • Contributed to major DeFi protocols, improving security, efficiency & investor trust. 🎓 Education & Certifications • Blockchain & Smart Contract Security Specialist – Recognized by top audit platforms. • Continuous contributor to open-source security research & blockchain innovation. I’m passionate about pushing blockchain security forward and delivering robust, high-performance smart contracts. Let’s connect and build the future of Web3 together! 🚀
    Featured Skill Blockchain
    Financial Audit
    ERC-720
    Smart Contract Development
    ERC-20
    ERC-721
    Golang
    Rust
    Blockchain Platform
    Solana
    Solidity
    Smart Contract
    Ethereum
    Blockchain Security
    Blockchain Development
  • $61 hourly
    • 5.0/5
    • (18 jobs)
    I'm a seasoned professional at the forefront of technology and innovation. With a robust background in Artificial Intelligence, Enterprise Management Information Systems, Machine Learning, Blockchain, IoT, Disruptive Technologies and Large Language Models (LLM) with Generative AI. I specialize in transforming complex challenges into innovative solutions. My expertise spans software design, energy management systems, and the integration of cutting-edge technologies. As a researcher and leader in the field, I've contributed significantly to AI and smart grid technology, with notable publications and awards recognizing my contributions. I thrive on driving technological advancement and fostering strategic growth through my work. Let's connect and explore how we can shape the future together. GUARANTEED PAPER ACCEPTANCES FOR SCOPUS INDEXED CONFERENCES AND JOURNALS AVAILABLE.
    Featured Skill Blockchain
    Article Writing
    Artificial Intelligence
    Scientific Literature Review
    Research Proposals
    Software Architecture
    Business Innovation
    Research Paper Writing
    Research Papers
    Research & Development
    Computer Science
    Machine Learning
    Data Science Consultation
    Data Analytics
    Data Science
  • $50 hourly
    • 5.0/5
    • (3 jobs)
    I specialize in Tokenomics design, financial strategy, liquidity and treasury management, and fractional CFO services for DeFi, DAO, and GameFi projects. With 6+ years in Web3 finance, I help ventures optimize liquidity, governance, and treasury management to ensure long-term sustainability and growth. 📊 Key Expertise: - Fractional CFO Services – Strategic financial planning, treasury management & budgeting for Web3 startups - Tokenomics Design – Creating sustainable, data-driven token models that maximize project value - Financial Analytics – Data-backed forecasting & modeling for better financial decision-making 🏆 Notable Achievements: - Led financial strategy as COO & CFO at Xord, overseeing growth, treasury & operations - Designed token models achieving $1.3M+ in funding & $400M+ in TVL for DeFi & DAO projects - Managed a $1M hedge fund, implementing risk-optimized strategies for higher returns - Spearheaded DeFi & DAO product launches since 2018, driving innovation & adoption - Led A51 Finance’s liquidity automation, integrating AI-driven rebalancing & hedging solutions 💡 Why Work With Me? I bring a data-driven approach to financial strategy, ensuring Web3 projects scale efficiently while maintaining sustainability. Whether you're launching a DeFi protocol, DAO treasury, or GameFi economy, I deliver insight-driven solutions that create lasting impact. 📩 Let’s Connect! I’m open to fractional roles & full-time opportunities—let’s build the future of decentralized finance together!
    Featured Skill Blockchain
    Treasury Management
    Reward Token
    Utility Token
    DeFi
    Web3
    Cryptocurrency
    Growth Analytics
    Growth Strategy
    Financial Modeling
    Digital Asset Management
    Business Analysis
    Financial Analysis
    Tokenomics
  • $35 hourly
    • 5.0/5
    • (54 jobs)
    Driven Unity3D specialist with over 8 years of dynamic experience in game development, excelling in multiplayer and metaverse solutions using C#. I thrive on creativity and innovation, consistently delivering high-quality projects on schedule, while maintaining clear and effective communication. As an independent freelancer and a collaborative team member, I am adaptable and solutions-focused, dedicated to overcoming any project challenges with strategic problem-solving. Core Skills and Expertise: * 2D/3D Game Development: Skilled in crafting captivating game experiences across multiple platforms. * AR/VR Development: Expertise in creating immersive augmented and virtual reality applications, including Oculus and Vuforia. * Multiplayer Systems: Proficient in building and maintaining robust multiplayer frameworks. * Blockchain and Metaverse Integration: Leveraging blockchain technology to enable cutting-edge gaming experiences within Unity3D. * Technical Proficiency: Advanced knowledge in C#, Photon networking solutions, and PlayFab backend services. * Performance Optimization: Proven track record of optimizing game performance for both mobile and desktop environments. * Version Control Expertise: Experienced in using Git, Git Kraken, Bitbucket, and SourceTree for seamless collaboration. * Communication: Strong ability to convey complex ideas clearly and build constructive collaborative relationships. * Team Commitment: Focused on achieving project goals and driving team success through a results-oriented approach. Let's join forces to turn your development vision into reality!
    Featured Skill Blockchain
    Photon Unity Networking
    Oculus Rift
    Mobile Game Development
    Android App Development
    Apple Xcode
    Game Development
    Android
    Casual Game
    Mobile Game
    iOS
    C#
    Unity
    Game Customization
    Online Multiplayer
  • $45 hourly
    • 4.9/5
    • (42 jobs)
    ⭐ Top Rated - Top 10% Talent on Upwork 🕒 1,000+ hours on Upwork ✅ 10+ years of experience ✅ 100+ projects successfully delivered ✅ Excelling in delivering Fortune 30+ scale projects 🔝 AI and Blockchain Development Expert | Innovator in Cutting-Edge Technologies 🔝 I am a distinguished AI and Blockchain Developer with over 10 years of experience, delivering over 100+ high-impact projects globally. I specialize in designing and implementing advanced Artificial Intelligence, Blockchain, and Full-Stack Development solutions that redefine industry standards, drive innovation, and deliver real-world value. My recent focus includes building AI agents in profiles, driving intelligent automation, and developing on high-performance blockchains like Solana. 🌟 𝐊𝐞𝐲 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 𝐢𝐧 𝐀𝐈: - Generative AI: Advanced solutions for AI-based content creation, image generation, and creative automation using tools like OpenAI, GPT, and TensorFlow. - Natural Language Processing (NLP): Expertise in NLTK, Spacy, Rasa Chatbot, Amazon Lex, and ChatGPT for chatbots, sentiment analysis, and text summarization. - Predictive Analytics: Building decision-support systems, forecasting models, and AI-based optimization tools. - Computer Vision: Implementing object detection, facial recognition, and video analysis systems. - Reinforcement Learning: Designing intelligent systems for automation, IoT integration, and real-time optimization. - Custom AI Model Development: Fine-tuning and deploying AI models tailored to your business needs. 🔗 𝐊𝐞𝐲 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 𝐢𝐧 𝐁𝐥𝐨𝐜𝐤𝐜𝐡𝐚𝐢𝐧 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: - Smart Contracts: Expertise in Solidity, Rust, and Python for creating secure and efficient DeFi platforms, crypto wallets, and NFT marketplaces. - Blockchain Platforms: Advanced skills in Ethereum, Binance Smart Chain (BSC), Solana, Avalanche, and more. - Web3 and Decentralized Apps: Development of scalable dApps and blockchain-integrated web solutions. - Cross-Chain Solutions: Enabling interoperability with cross-chain applications. - NFT and Tokenomics: NFT generation, marketplaces, staking platforms, and token creation (ERC20, ERC721, ERC1155). - Zero-Knowledge Proofs & Layer 2: Advanced scalability and privacy-focused blockchain solutions. - AI-Enhanced Trading Bots: Creating bots with predictive analytics and AI integration for smarter trading strategies. 🌐 𝐂𝐮𝐬𝐭𝐨𝐦 𝐒𝐨𝐟𝐭𝐰𝐚𝐫𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: - Web Apps: Custom web solutions, e-commerce platforms, MLM systems, and landing pages. - Mobile Apps: Native and cross-platform iOS and Android apps using Flutter and React Native. - Telegram Bots: Custom Telegram bots, including crypto-related automation and tools. 💻 𝐓𝐞𝐜𝐡 𝐒𝐭𝐚𝐜𝐤 𝐏𝐫𝐨𝐟𝐢𝐜𝐢𝐞𝐧𝐜𝐲: - AI Tools: TensorFlow, OpenAI, GPT, NLTK, Rasa, Spacy - Blockchain: Solidity, Rust, Go, Web3.js, Ethers.js - Frontend: ReactJS, NextJS, VueJS, EmberJS, ASP.Net Core & MVC - Backend: NodeJS (ExpressJS, NestJS), Python, C# - Mobile Development: Flutter, React Native - Database Management: MongoDB, PostgreSQL - E-Commerce Platforms: WordPress, Shopify If you're seeking an elite AI and Blockchain Expert to elevate your project with innovative solutions and unparalleled commitment, I’m here to deliver beyond expectations. Let's shape the future of technology together! Tags: AI, GPT, generative AI, AI agents, AI-based content generation, TensorFlow, chatbot, predictive analytics, blockchain, Solana blockchain, dApp, crypto, solidity, Ethereum, NFT, Web3, smart contracts, decentralized finance, cryptocurrency, NFT marketplace, Rust, Flutter, React Native, Solidity, OpenAI, Python, trading bots, zero-knowledge proofs, Layer 2
    Featured Skill Blockchain
    Flutter
    Python
    Natural Language Processing
    PyTorch
    Image Processing
    Generative AI
    AI Chatbot
    Stable Diffusion
    BERT
    ChatGPT
    Next.js
    NestJS
    Artificial Intelligence
    web3.js
  • $35 hourly
    • 4.9/5
    • (54 jobs)
    💼(Client Testimonial) 📒 "Genuine and talented engineer. A great addition to any team!" 💡 UNLEASH THE FULL POTENTIAL OF MOBILE & WEB APP DEVELOPMENT ✔️Top rated plus profile ✔️100+ projects delivered globally ✔️100% job success ✔️6,900+ hours on Upwork ✔️7+ years of experience ✔️Enterprise grade development ✔️Stringent quality assurance ✔️Quick turn around ✔️Support & maintenance ✔️Let’s connect for a free consultation on video call 🌐𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: - Expert in 𝐑𝐞𝐚𝐜𝐭𝐉𝐒, 𝐍𝐞𝐱𝐭𝐉𝐒, 𝐕𝐮𝐞𝐉𝐒, 𝐍𝐮𝐱𝐭𝐉𝐒, 𝐓𝐲𝐩𝐞𝐒𝐜𝐫𝐢𝐩𝐭, 𝐇𝐓𝐌𝐋𝟓, 𝐏𝐫𝐢𝐬𝐦𝐚, 𝐒𝐭𝐨𝐫𝐲𝐛𝐨𝐨𝐤, 𝐂𝐒𝐒𝟑, and 𝐁𝐨𝐨𝐭𝐬𝐭𝐫𝐚𝐩. - Specialize in creating responsive and user-friendly interfaces that enhance user engagement and satisfaction. 🖥️ 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: - Skilled in 𝐍𝐨𝐝𝐞𝐣𝐬, 𝐄𝐱𝐩𝐫𝐞𝐬𝐬𝐉𝐬, 𝐚𝐧𝐝 𝐆𝐫𝐚𝐩𝐡𝐐𝐋. - Adept at building efficient, scalable backend solutions that support high-performance applications. 🗄️ 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭: - Expertise in 𝐌𝐲𝐒𝐐𝐋, 𝐌𝐨𝐧𝐠𝐨𝐃𝐁, and 𝐅𝐢𝐫𝐞𝐛𝐚𝐬𝐞. - Ensuring robust data handling and management to support complex application needs. 🤖 𝐀𝐈 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 𝐚𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: - Proficient in leveraging 𝐎𝐩𝐞𝐧𝐀𝐈, 𝐂𝐥𝐚𝐮𝐝𝐞 𝐀𝐏𝐈𝐬, and other AI tools to generate dynamic and efficient AI-driven code solutions. - Skilled in integrating AI capabilities into applications, such as chatbots, recommendation systems, and intelligent data processing. 🔧 𝐀𝐝𝐯𝐚𝐧𝐜𝐞𝐝 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬: - Expert in 𝐑𝐞𝐝𝐮𝐱, 𝐕𝐮𝐞𝐱, 𝐏𝐈𝐍𝐈𝐀, 𝐕𝐮𝐞𝐭𝐢𝐟𝐲, 𝐏𝐫𝐢𝐦𝐞𝐕𝐮𝐞, 𝐁𝐨𝐨𝐭𝐬𝐭𝐫𝐚𝐩𝐕𝐮𝐞 and other state management tools. Keywords🔑 Front-End Development, Website, Responsive Design, ReactJS, Next.JS, TypeScript, HTML5, CSS3, SCSS, SASS, Bootstrap, Material-UI, Webpack, Ant Design, Angular2+, JavaScript, Tailwind CSS, GraphQL, Redux, React Bootstrap, Website Redesign, Web Application, Ecommerce Website, , Figma, Performance Optimization, UX/UI Design, Back-End Development, Mobile App Development, MERN stack, MongoDB, Express.js, React.js, Node.js, Nest.js, Next.js, React Native[IOS,Android], API design, SQL, PostgreSQL, Amazon Web Services, DynamoDB, S3, EC2, Expo, App Center, Firebase Distribution, TestFlight, RESTful APIs, cloud platforms, AWS, Azure, Websockets, Charts, 3D visualization, Third-party APIs, Stripe, Twilio, Google Maps, Socket.IO, Design Expertise, Software Development, Android App Development, Native App Development, iOS Development, GraphQL, MapBox, Core Bluetooth, HealthKit, CloudKit, GameplayKit, Firebase Realtime Database, Redis, Firebase Cloud Firestore, SQLite, Smartphone, Tablet, SendGrid, REST API, ExpressJS, Material Design, App Store, Google Play Store, Push Notifications, JSON, Mobile SDK, Mobile Payments, Security, Data Privacy, Offline Support, Open .
    Featured Skill Blockchain
    Next.js
    Bitcoin SV
    Redux
    Progressive Web App
    CoffeeScript
    Mobile App Development
    TypeScript
    MongoDB
    React Native
    Firebase
    JavaScript
    Node.js
    React
    Ionic Framework
  • $60 hourly
    • 5.0/5
    • (13 jobs)
    I'm a hands-on Technical Lead and backend engineer with deep expertise in Rust, Substrate, Solana, and Zero-Knowledge Proofs (ZKPs). I build secure, scalable, and high-performance backend systems for decentralized applications, zk-integrated infrastructure, and real-time microservices. Recently, I’ve expanded into AI-aware project delivery, earning certifications in Prompt Engineering, GenAI Data Infrastructure, and CPMAI™ (Cognitive Project Management in AI). This enables me to design and execute systems that combine powerful backend architectures with modern LLM and AI-driven components. Throughout my career, I’ve delivered complex systems end-to-end — from designing modular, event-driven architectures to integrating blockchain protocols and building scalable data pipelines. I stay deeply involved in implementation, writing production-grade code using Rust, Actix-Web, Diesel ORM, Subxt, Kafka, and Redis. I thrive at the intersection of low-level performance, system design, and AI-aligned delivery—bringing structure, foresight, and precision to every project I lead. 🔧 What I bring to the table: Full backend systems in Rust (Actix-Web, Diesel, Tokio, Subxt) Blockchain integrations with Substrate, Solana, zkVMs, RISC Zero Real-time infrastructure with Redis and Apache Kafka AI-integrated project execution (Prompt Engineering, CPMAI™, GenAI Data Strategy) Strong experience with PostgreSQL, Docker, Kubernetes, and CI/CD pipelines Leadership in architecture, team mentoring, code reviews, and agile execution I'm open to roles such as Technical Architect, Engineering Lead, or CTO-track engagements where I can shape backend and AI strategy while continuing to write code, mentor teams, and deliver high-impact solutions.
    Featured Skill Blockchain
    Agile Project Management
    Project Management
    NestJS
    Microservice
    Solution Architecture
    Polkadot
    Domain-Driven Design
    PostgreSQL
    WebAssembly
    Blockchain Development
    DApps
    Rust
    Solana
    Smart Contract
  • $40 hourly
    • 4.6/5
    • (63 jobs)
    Ameer is a skilled Full-Stack Engineer with over 10 years of professional experience developing back-end and front-end solutions using various programming languages and utilities. He excels in React and pair programming, and is a collaborative team player with excellent technical, problem-solving, and analytical abilities. He is dedicated to achieving objectives within tight schedules while producing impeccable code. Additionally, he has experience with DevOps and a background in designing, testing, and implementing infrastructure and applications. Since 2011, he has developed applications using a variety of technologies, including: Laravel, CakePHP, WordPress, ASP.Net Web Forms and ASP.Net MVC, Ruby on Rails, Django, Angular, React.js, React Native, Ember.js, and Angular.js. He also has experience in blockchain development using Solidity, Rust, and EVM (ETH Mainnet, BSC Mainnet, Moonriver, Polygon, etc.), as well as Smart Contracts (Solana + EVM-based Blockchains) and ERC20, E721. Ameer also has proficient skills in Digital Marketing and major platforms such as Google Adwords, YouTube Ads, Facebook Ads, and Instagram Ads. He is also skilled in using Marketing and Testing/Analysis Tools, such as: Google Analytics, Google Tag Manager, Google Search Console, Google Optimize, Google Merchant Center, Facebook Power Editor, and Adwords Remarketing. As a Server Administrator, Ameer has proficient knowledge of Linux (CentOS, Ubuntu, openSUSE, etc.) and Server Administration software such as CPanel, Webmin, and Plesk. He is dedicated to his duties and enjoys solving client problems. If you need reliable and quality services, Ameer is the best choice for you.
    Featured Skill Blockchain
    Amazon ECS for Kubernetes
    DevOps
    Kubernetes
    Magento 2
    React
    Django
    Node.js
    Google Cloud Platform
    Ruby on Rails
    Angular 6
  • $25 hourly
    • 5.0/5
    • (22 jobs)
    👨‍💻 Full Stack Developer | Blockchain Expert | DevOps Engineer 🌐 🕰️ 𝐀𝐯𝐚𝐢𝐥𝐚𝐛𝐥𝐞 𝐢𝐧 𝐭𝐡𝐞 𝐔𝐒, 𝐂𝐚𝐧𝐚𝐝𝐚, 𝐔𝐊, 𝐀𝐮𝐬𝐭𝐫𝐚𝐥𝐢𝐚, 𝐨𝐫 𝐩𝐫𝐞𝐟𝐞𝐫𝐫𝐞𝐝 𝐭𝐢𝐦𝐞 𝐳𝐨𝐧𝐞𝐬 🏆 Top-Rated (𝐓𝐨𝐩 10% 𝐨𝐧 𝐔𝐩𝐰𝐨𝐫𝐤) 🌟 7+ Years of Experience ✔ 400+ Successful Projects 🕒 2000+ Hours of Development Work ✅ Guarantee of High-Quality Product Delivery 📞 Availability: 40+ hours per week 𝐄𝐱𝐩𝐞𝐫𝐭 𝐈𝐧: 💲 Fintech Development 🛒 E-Commerce / Marketplace Development 📋 CRM Development 🏠 Real Estate Marketplace ✉️ Social Applications 💻 ERP Development (Sales | Accounting | HR) 📱 Mobile Application Development 🖥 Custom Web Applications / Management Software Hello there! 👋 I'm a Full Stack Developer with 7+ years of professional experience, delivering high-quality web applications, robust backend systems, and cutting-edge blockchain solutions. I specialize in Node.js, Django, React, and DevOps practices across AWS and GCP platforms. 🚀 🛠️ What I Do Best Full Stack Development: 🖥️ Frontend: React.js, Next.js, Tailwind CSS, Redux 🛠️ Backend: Node.js (Express, NestJS), Django, Django Rest Framework 🧠 RESTful APIs & GraphQL APIs 🗄️ Database Management: MongoDB, PostgreSQL, MySQL, Firebase Blockchain Development: 🔗 Smart Contracts (Solidity, Rust, Vyper) 🪙 NFT Marketplaces, DeFi Apps, DAOs ⚙️ Web3 Integration: Ethereum, Polygon, Solana 🔐 Wallet Integration (MetaMask, WalletConnect) DevOps & Cloud Infrastructure: ☁️ AWS (EC2, Lambda, RDS, S3, CloudFront) ☁️ Google Cloud (GKE, Cloud Functions, Firestore) 🔄 CI/CD Pipelines: Jenkins, GitHub Actions, GitLab CI 📦 Docker, Kubernetes, Terraform 🚀 Core Technical Competencies Languages & Frameworks: ✅ Python, Django, PHP (Laravel, Lumen, CodeIgniter) ✅ JavaScript, TypeScript, ES6, Node.js, Express.js, Nest.js ✅ React.js, Next.js, Vue.js, Nuxt.js, Redux (Saga, Thunk, Toolkit) ✅ HTML5, CSS3, Bootstrap5, Tailwind CSS, SASS, Ant Design, Material UI Databases: ✅ MySQL, PostgreSQL, MongoDB, Firebase Mobile App Development: ✅ React Native API Development & Integration: ✅ RESTful API Development & Integration (JSON, XML) DevOps & Hosting: ✅ Docker, Kubernetes, Git, AWS, Azure, WHM, cPanel, FileZilla ✅ Hosting on AWS, Azure, Contabo, GoDaddy, HostGator, Namecheap Development Tools: ✅ VS Code, PHPStorm, Sublime Text, Git, Apache Operating Systems: ✅ Windows, Linux 🧠 Expertise in Full Stack Development As a Senior Full Stack Web Developer, I specialize in: Seamless frontend and backend integration Scalable microservices and monolithic architectures Performance tuning and optimization Secure authentication/authorization (JWT, OAuth) Payment gateway integrations (Stripe, PayPal, etc.) 🔗 Blockchain Development (Emerging Focus) Currently expanding into: Smart Contract Development (Solidity, Ethereum) dApp Development using Web3.js, Ethers.js Blockchain Integration with existing systems Token creation (ERC-20/ERC-721), wallet integration 🛠️ Project Experience Highlights ✅ E-commerce Platforms (Single & Multivendor Expert) ✅ Umrah Booking System (Integrated with Ministry of Hajj APIs) ✅ HRM & Recruitment Portals ✅ Hospital & Event Management Systems ✅ LMS & Online Exam Systems ✅ Hotel & Course Booking Systems ✅ Point of Sale Systems ✅ Blockchain Token Interfaces & Wallet Connect (R&D phase) 💼 Certifications & Achievements 🏅 Certified E-commerce Developer ⭐ Top-Rated Plus on Freelance Platforms ⚙️ Figma to WordPress Conversion Expert 💡 Website Speed Optimization Specialist 📨 Let’s Build Something Great Together! If you're looking for a high-performance Full Stack or Blockchain Developer to bring your idea to life—let’s connect. I'm available for freelance projects, long-term collaborations, and consulting opportunities. Full Stack Developer, MERN Stack Developer, Blockchain Developer, Smart Contract Engineer, App Developer, Web3 Developer, Laravel Expert, React Developer, Node.js Developer, API Integration, DevOps Engineer, Cloud Hosting Expert, RESTful API Developer, Developer, E-commerce Specialist
    Featured Skill Blockchain
    Django
    React
    MERN Stack
    AWS Development
    Kubernetes
    DevOps
    DApps
    Cryptocurrency
    Web3
    Python
    JavaScript
    NFT
    Solidity
    Smart Contract
  • $20 hourly
    • 5.0/5
    • (38 jobs)
    🌟 Top 1% in WordPress, PHP, Laravel, React.js, Node.js, Blockchain, Web3 ✅ Senior Full Stack Developer 🏅 Leading WordPress & Blockchain developer on Upwork 🏅 8+ years of experience | Worked with Fortune 50+ companies 🏆 Certified in WordPress, PHP, Laravel, ReactJS, NodeJS, Magento. Welcome to My Profile! As an Expert WordPress Developer & Designer with over 8 years of experience, I specialize in crafting exceptional websites and optimizing them for peak performance. With expertise in WordPress, PHP, React.js, Node.js, Next.js, and SEO, I excel in creating custom websites, themes, and plugins, as well as managing e-commerce platforms. I'm skilled in speeding up websites and resolving core-web vital issues, ensuring an optimal user experience. Additionally, I offer a range of services, including converting designs from PSD/Sketch to WordPress, migrating websites from Wix or Shopify to WordPress, and maintaining pixel-perfect designs. I have a proven track record of developing websites using various tools such as Elementor Pro, Divi, Astra, and Avada, along with e-learning platforms like LearnPress and LearnDash. Furthermore, I have expertise in custom animations and responsive theme design and customization. Moreover, I have hands-on experience with React.js for building interactive user interfaces and Node.js for server-side development. I'm also proficient in Next.js, a popular React framework for building React web applications. With a solid understanding of these technologies and frameworks, I'm well-equipped to tackle diverse web development challenges and deliver high-quality solutions. ✅ I have worked on many famous WP theme builders like: ✔️ Elementor/ Elementor Pro ✔️ Divi ✔️ Oxygen ✔️ Thrive ✔️ Beaver Themer ✔️ Avada Themes ✔️ Visual composer In addition to my expertise in WordPress, I also have extensive experience in core PHP and PHP frameworks. I have developed the entire structure of websites from scratch using core PHP and various frameworks. Additionally, I excel in developing and integrating APIs into websites, enhancing their functionality and connectivity. ✅ PHP Frameworks I have worked on: ✔️ Laravel ✔️ Drupal ✔️ CodeIgniter I am well skilled in the use of JavaScript, HTML, PHP, CSS, Bootstrap, MySQL, AngularJS, React JS, Node JS, React Native, MERN stack, MEAN stack and jQuery. Also, I have good working experience in graphic designing skills like Adobe Photoshop, Adobe Illustrator, Dreamweaver, Canva and InDesign. 📍📍Other experience: AWS EC2, S3, Elastic Beanstalk, SNS, CloudWatch Let's have a quick conversation and get started!
    Featured Skill Blockchain
    Technical SEO
    Security Testing
    Page Speed Optimization
    Node.js
    Web3
    React
    Next.js
    PSD to WordPress
    Shopify
    HTML5
    CSS 3
    WordPress
    Web Design
    JavaScript
  • $33 hourly
    • 5.0/5
    • (36 jobs)
    I am a Cybersecurity Consultant with 5+ years of hands-on experience and 87+ successfully completed projects in cybersecurity, digital forensics, blockchain development, curriculum & course creation, compliance reviews, and strategic advisory for clients across the globe — including enterprises, SMEs, government agencies, startups, and individuals. I deliver solutions that combine deep technical skills with high-level strategic insight. I am a Top-Rated freelancer on Upwork and a Level-1 Seller on Fiverr. 📁 Key Highlights | Major Projects: ✅ I have reviewed more than 22 different types of security documents, such as AOD, MLD, HLD, and security whitepapers for different types of tools, platforms and software, including share drive, decommission, Azure AI Document Intelligence, Azure Form Recognizer, Azure Event Grid, Single Page Application, Micro-front refactoring, notification shared services, .NET 6 framework, Endpoint Management, PDF Embed, SaaS High-level Security, assessment Adobe Document Cloud, iTrent system, SD-WAN, Software assessment on Oracle ADF Desktop Integration, Software assessment on Oracle File Based Data Import, Software assessment on Oracle Smart View, and implementing Microsfot Teams as Telephony. ✅ I have created security playbooks on different topics such as; phishing security incident response, Unlicensed software detection and removal, DDoS Security incident, Malware Security Incident, API & Zero Day, New User Created, and Privilege Access Management for a software company who works as a global mobility platform. ✅ I have completed 17+ digital forensics projects, including data recovery, and investigations on email/mobile investigations, hacked systems, and Windows event log analysis. ✅ I have developed 3+ custom crypto coins, including Carbon Credit Coin, and others based on clients specifications. ✅ I have developed a strategic security framework for Mulago Specialized Women and Neonatal Hospital - Uganda's largest hospital - ensuring patient data protection and regulator compliance with healthcare standards. ✅ I have consulted and worked closely with the clients to implement and uphold international security standards, like ISO/IEC 27001:2022, ISO/IEC 27001:2013, ISO 27701, ISO/IEC 27018, ISO 15489, ISO 22301, ISO 27002, ISO/IEC 42001:2023, Cyber Resilience Act 2024, GDPR, HIPAA, and PCI-DSS, establishing a robust foundation for long-term compliance and security. ✅ I led the Data Source Unit of the National Assembly of Pakistan, where I developed and enforced strict security protocols and mentored junior cybersecurity professionals, ensuring the safe handling of government data and continuity of services. 💡🔒 Domains I Cover: ◉ Cybersecurity & Risk Management ◉ Digital Forensics & Incident Response ◉ Blockchain Security & Token Development ◉ Secure Software & Cloud Architecture ◉ Security Policy, Frameworks, and Compliance ◉ Penetration Testing & Vulnerability Assessment ◉ Technical Writing & Cybersecurity Training 🛠 Tools & Platforms I Use: ◉ Cloud & Infrastructure: Microsoft Azure, AWS, Oracle Cloud ◉ Security Tools: Microsoft Defender, Wireshark, Burp Suite, Splunk, SIEM ◉ Forensics: FTK Imager, Autopsy, EnCase, iCloud & Windows Logs ◉ Blockchain & Crypto: Solidity, BEP-20/ERC-20 tokens, smart contract audit, crypto tracing ◉ Programming & Scripting: Python, Bash, Solidity, JavaScript ◉ Security Framework: MITRE ATT&CK, NIST, CIS Benchmarks, OWASP 💼 How I Can Help You: ◉ Security consulting and risk assessments: Identify vulnerabilities, assess business risk, and implement tailored mitigation strategies. ◉ Digital forensic investigations: Analyze compromised systems, devices, or networks to uncover breach sources, data loss, and recovery paths. ◉ Blockchain & crypto development and audits: Design and develop custom tokens (ERC/BEP-20), audit smart contracts, and trace crypto transactions. ◉ Security policies, strategy, and compliance framework design: Create or review documentation aligned with ISO, NIST, GDPR, HIPAA, PCI-DSS, and more. ◉ Advisory roles for secure digital product launches: Guide secure system architecture, compliance planning, and go-to-market security. ◉ Penetration testing and vulnerability management: Perform ethical hacking, threat modeling, and deliver detailed vulnerability reports. ◉ Security-focused technical writing and content creation: Develop security documentation, training materials, books, blogs, and certification practice questions. ◉ Cybersecurity training and course development: Create hands-on tutorials and educational content for security awareness, and domain knowledge. Let's secure your systems and build trust in your tech. 🤝
    Featured Skill Blockchain
    Linux
    Research Papers
    Cryptocurrency
    Cyber Threat Intelligence
    Cryptography
    Company Research
    Microsoft Access
    Algorithm Development
    Content Writing
    Technical Writing
    Network Security
    Vulnerability Assessment
    Digital Forensics
    Information Security
  • $15 hourly
    • 5.0/5
    • (6 jobs)
    I am a full-stack web developer with over 4+ years of commercial experience. I have experience working with latest state of art technologies. My main expertise lies in JavaScript and its framework. I have developed multiple enterprise level applications. I always seek new opportunities where I can show my skills and learn new technologies. 😄 Why Hire Me? 1. I write clean, adaptable code. 2. I deliver fully tested apps. 3. I offer maintenance for a fee. 4. Your project stays confidential. 🔥 BACKEND STACK 🔥 ⚙️ Node.js, Express.js, NestJs ⚙️ RestAPI, GraphQL, WebSockets, 🔥 DATABASES 🔥 📚 MongoDB, Firebase 📚 MySQL and PostgreSQL 📚 ORM: Sequelize, Mongoose, and Prisma 🔥 FRONTEND STACK 🔥 🎨 Next.js, React.js, React Native 🎨 Redux, React Query 🎨 TailwindCSS, Bootstrap, Material UI, Chakra UI, Ant Design 🎨 SASS, CSS, Styled Components 🎨 GraphQL and Rest API integration 🏴 Localization/Multi-Language App. 🔥 MOBILE APP DEVELOPMENT - iOS & android 🎨 React Native 🎨 Flutter ** Promising you high quality, effective communication and timely work deliverance. **
    Featured Skill Blockchain
    Firebase
    Solidity
    Amazon EC2
    Material UI
    NestJS
    Git
    Tailwind CSS
    Node.js
    SQL
    React
    MongoDB
    PostgreSQL
    ExpressJS
    JavaScript
  • $20 hourly
    • 5.0/5
    • (17 jobs)
    ✅ Top Rated ✅ 7+ Years in Blockchain, Web3, Smart Contracts & Protocol Engineering ✅ 100+ Successful Projects – MVPs, dApps, DeFi, NFTs, and Scalable Protocols ✅ Expert in Solidity, Rust, Python, JavaScript ✅ Strategy + Execution: From Proof of Concept to Scaled Market Launch 🚀 I Build Blockchain Products That Disrupt Industries and Drive Real Business Value Whether you are launching a DeFi platform, an NFT ecosystem, or an enterprise-grade solution. I bring clarity, precision, and execution to every phase of your blockchain journey. My clients come to me when they need more than code—they need architecture, vision, and a bulletproof roadmap to launch and scale. 🛠️ 𝐓𝐄𝐂𝐇𝐍𝐈𝐂𝐀𝐋 𝐄𝐗𝐏𝐄𝐑𝐓𝐈𝐒𝐄 🔗 𝐒𝐦𝐚𝐫𝐭 𝐂𝐨𝐧𝐭𝐫𝐚𝐜𝐭𝐬 & 𝐏𝐫𝐨𝐭𝐨𝐜𝐨𝐥 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 • Ethereum: Solidity, Vyper | ERC-20, ERC-721, ERC-1155 • Solana: Rust, Anchor | Ultra-fast, low-gas dApps • Polkadot, NEAR: Rust, Ink!, WASM • Cardano: Plutus, Marlowe • Hyperledger: Go, JavaScript – Permissioned enterprise chains 🌐 𝐝𝐀𝐩𝐩 & 𝐖𝐞𝐛𝟑 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝𝐬 • React, Next.js, Vue, Tailwind, TypeScript • WalletConnect, MetaMask, Phantom, Ledger Integration • Web3.js, Ethers.js, Solana Web3, Graph Protocol, Moralis 💾 𝐈𝐧𝐟𝐫𝐚𝐬𝐭𝐫𝐮𝐜𝐭𝐮𝐫𝐞 & 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 • Firebase, Node.js, MongoDB, GraphQL • IPFS, Arweave, Pinata, Cloudflare • Serverless & CI/CD Pipelines for Fast Launch & Scale 📩 Let’s Turn Your Blockchain Vision into a Scalable, Secure Reality Whether you’re a startup disrupting Web2, or an enterprise embracing Web3, I bring the code quality, strategic insight, and delivery focus needed to make your product a success. 📅 𝐒𝐜𝐡𝐞𝐝𝐮𝐥𝐞 𝐚 𝐅𝐫𝐞𝐞 𝐃𝐢𝐬𝐜𝐨𝐯𝐞𝐫𝐲 𝐂𝐚𝐥𝐥 – 𝐋𝐞𝐭’𝐬 𝐦𝐚𝐩 𝐲𝐨𝐮𝐫 𝐫𝐨𝐚𝐝𝐦𝐚𝐩, 𝐢𝐝𝐞𝐧𝐭𝐢𝐟𝐲 𝐭𝐡𝐞 𝐭𝐞𝐜𝐡 𝐬𝐭𝐚𝐜𝐤, 𝐚𝐧𝐝 𝐥𝐚𝐮𝐧𝐜𝐡 𝐰𝐢𝐭𝐡 𝐜𝐨𝐧𝐟𝐢𝐝𝐞𝐧𝐜𝐞. 🚀 Web3 is evolving. Let’s lead the future—together. — Kamran
    Featured Skill Blockchain
    Full-Stack Development
    Front-End Development
    Laravel
    PHP
    Node.js
    Next.js
    Web3
    NFT Marketplace
    Smart Contract Development
    Ethereum
    DApps
    Blockchain Development
    Cryptocurrency
    Blockchain, NFT & Cryptocurrency
  • $17 hourly
    • 4.6/5
    • (29 jobs)
    🌟 100+ projects completed ✈️ 70+ apps deployed to AppStore and PlayStore 🥇 Top Rated Plus on Upwork 🏆 10+ Years of experience in web development 🤝 Support after completion of the project 💼 Bringing 10+ years of experience as a top-rated full-stack Web and Mobile apps developer, having delivered high-quality results for a range of high-profile clients. ✅ I have experience creating apps in the following areas: 🔷 Major solutions include: ✔️ CRM/ERP Software Solutions ✔️ Custom Web Development ✔️ Hospital Management System ✔️ Dental Management System ✔️ Food Web App 
 ✔️ Fitness Web App 
 ✔️ Dating App 
 ✔️ Music Web App 
 ✔️ Travel Web App 
 ✔️ Game Web App 
 ✔️ Business Web App ✔️ Educational Web App ✔️ Ai ChatBot ✔️ Google Ads & Facebook Ads 👨‍💻 My Tech Stack Expertise: ✅ On the frontend, I am proficient in working with popular frameworks and languages such as: React.js / Next.js / Svelte / Sveltekit / React Native / Javascript / Typescript / Vue.js / Angular.js / jQuery ✅ CSS framework & UI Libraries Bootstrap / Tailwind CSS / SASS / Reactstrap / Material ui / Ant Design / HTML/HTML5 / CSS / Chakra UI / Semantic UI ✅ In terms of databases, I have hands-on experience with Firebase / Supabase / PostgresSQL / Graphql / Prisma / Mongodb / Mysql / Redis / Microsoftsql ✅ On the backend, Node.js / Express.js / REST API / GraphQL / Socket.io / Python / Javascript / Electron / Php / Laravel ✅ Deployment Heroku / AWS / Digital / Ocean / Netlify / Azure ✅ Mobile App Development: React native / Flutter (For both ios and android) ✅ Authentication: Auth 2.0 / Lucia Auth My Process focus on solving your responsive design and development problem. Ask and Analyze your Requirement/ wireframes Understanding the targeted audience and business model Finding and implementing proper solutions according to need 💯 Why choose Me: ▪️ Specialized in Website Development ▪️ Educated with the latest trends ▪️ Always On-time delivery ▪️ 100% customer satisfaction 🌟 Let's make your digital vision a reality. Reach out to discuss how to build, scale, and succeed with your next web, mobile, or AI-driven project. Looking forward to partnering with you!
    Featured Skill Blockchain
    Svelte
    NestJS
    Next.js
    ExpressJS
    Redux
    Web3
    Smart Contract
    MongoDB
    JavaScript
    Node.js
    TypeScript
    React Native
    React
  • $20 hourly
    • 5.0/5
    • (15 jobs)
    I am very familar with internet and all its applications. I am from Bahawalpur , Pakistan . I can speak and write Fluent English . And have a very good speed in writing . I am well able to do all the tasks from my skills. well organized. Quick learner , Responsible, Effecient . Multi Tasking and know well time management. I look forward to working with you.
    Featured Skill Blockchain
    Discord
    Lead Generation
    Data Scraping
    WordPress
    Google Sheets
    Discord Bot Development
    Etherscan
    Ethers.js
    Web3
    NFT Marketing
    NFT
    Blockchain Development
    Python
    Solidity
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