Full-Stack Developer & Systems Architect With over 10 years of experience, I design and build secure, high-performance digital systems that support scalability, automation, and long-term business growth. I specialize in architecting intelligent, cloud-ready solutions using modern frameworks, robust backend systems, and AI-driven technologies. Core Competencies: Frontend & Mobile: React, Vue, Angular, Next.js, React Native, Progressive Web Apps (PWAs) Backend & APIs: Node.js, Laravel, Django, Golang, REST & GraphQL APIs, Payment Integrations AI & Automation: GPT-based chatbots, NLP solutions, intelligent workflow automation Mobile App development: React-Native (iOS & Android) Blockchain & Web3: Smart Contracts, Web3 & dApp Development, Ethereum, Polygon, Solana, Token & NFT Development, DeFi Platforms, Wallet Integrations, Smart Contract Security, IPFS, and Enterprise Blockchain Solutions. Cloud & DevOps: AWS, Docker, Kubernetes, CI/CD pipelines, infrastructure security and optimization Databases & Analytics: MySQL, PostgreSQL, MongoDB, Redis, Elasticsearch, ClickHouse Mobile App, Game & AI Development: Cross-platform iOS and Android app development AI features like chatbots, recommendations, voice, image recognition, and automation Mobile game development with animations, rewards, leaderboards, and in-app purchases API integration, Firebase, payments, push notifications, and real-time features App testing, performance optimization, and store deployment AI/ML: Integrate intelligent AI/ML capabilities using OpenAI (GPT-4, ChatGPT), Claude AI, Gemini, TensorFlow Lite, Core ML, ML Kit. Expertise includes NLP, computer vision, voice assistants, recommendation engines, automation, and predictive analytics AI Agent Development: AI Chatbots, AI Bots, AI Classifiers, Voice AI, AI Text-to-Speech, AI Speech-to-Text, Bot Development, Deepbrain AI, CrewAI, AutoGen Blockchain & Web3: Smart Contracts (Solidity, Rust), Web3 & dApp Development, Ethereum, Polygon, Solana, BNB Chain, ERC-20 & ERC-721 Token Development, NFT Platforms, DeFi Solutions, Staking & DAO Platforms, Wallet Integrations (MetaMask, WalletConnect), Smart Contract Auditing & Security, Cross-Chain Solutions, IPFS Integration, Cryptocurrency Payment Integrations, Enterprise Blockchain Solutions (Hyperledger). AR/VR/MR/XR Expertise: AR Applications: ARKit, ARCore, Vuforia VR Applications: Oculus, HTC Vive Extended Reality (XR): Seamless AR, VR and MR integration Unity/Unreal: App/Game Development, Metaverse 3D Technologies: Three.js, WebGL, Blender UI/UX Design: Skilled in Figma, Adobe XD, and Sketch with expertise in wireframing, interactive prototyping, Lottie animations, Material Design, and Apple HIG-based user experiences Backend & APIs: Build scalable and high-performance backends using Node.js (Express, NestJS), Python (Django, FastAPI), Laravel, Firebase, and Supabase with strong experience in REST APIs, GraphQL, and WebSocket integrations Integrations: Experienced with payment systems (Stripe, PayPal, Apple Pay, Google Pay), maps & geolocation (Google Maps, Mapbox), push notifications (FCM, APNs), chat platforms (Twilio, SendBird), video calling (Agora, WebRTC), analytics (Firebase, Mixpanel), social logins, and biometric authentication I am committed to building scalable, future-proof systems aligned with your business objectives and would be glad to support your next initiative. Let’s connect and discuss your project.

Upwork Expert-Vetted Talent (Top 1%) Microsoft Certified AI Engineer (Certification number: DEB32A-P5EE8C) Fullstack Developer | Software Engineer | Solutions Architect | AI Engineer | UI/UX Designer Tech Stacks Languages & Frameworks: C / C++ / C# / .NET / Unity / Java / JavaScript / TypeScript / Python / Rust / PHP / VB Razor Pages / CSS3 / Maven / Spring / Angular 2+ / React.js / Redux / jQuery / HTML5 / JSX / XAML / XML/XSLT / ASP.NET MVC / ASP.NET Core / .NET Framework / DevExpress UI / Spring Framework / Spring Boot / Spring Cloud / JavaFX / QT / QML Databases: MySQL / PostgreSQL / MSSQL / NoSQL / MongoDB / Azure Cosmos DB / Redis / Firebase Realtime Database DevOps & Containerization: Docker / Kubernetes / Azure DevOps AI & Machine Learning: Machine Learning / Deep Learning / TensorFlow / PyTorch / MATLAB / Azure Cognitive Services / Azure OpenAI Services / Azure AI Video Indexer / Azure AI Prompt Flow / Google Assistant SDK Blockchain Development: Ethereum / Binance Smart Chain / Solana / Stellar / Smart Contract Development / IoT Blockchain Technologies Additional Tools & Platforms: QuickBooks Online (Intuit) App Development / Shopify App Development Full Stack Development Services App Development: Mobile, Web, and Desktop Applications, Macros & Scripts Blockchain Development: Smart Contract Development and Blockchain Integration for Ethereum, Binance Smart Chain, Solana, and Stellar Algorithmic Trading: Algo Trading Platforms for Stocks and Cryptocurrency Dashboards & Analytics: Custom Dashboards, Metrics, and Business Intelligence Solutions Custom CRM & ERP Systems: Design, Development, and Integration of Customized CRM and ERP Solutions Database Management: Database Design, Optimization, Maintenance, and Integration for MySQL, PostgreSQL, MSSQL, NoSQL, MongoDB, and other leading database systems Software Integrations: Third-Party Software Integration and IT Security Implementations AI & Cognitive Services: Development of Machine Learning, Deep Learning, and Cognitive AI Solutions using Azure AI Stacks (Cognitive Services, OpenAI, Prompt Flow, Video Indexer) and Google AI SDK

Experienced Blockchain Developer with a demonstrated history of working in the information technology and services industry. Skilled in ethereum, hyperledger,smart contract, C++, RPC, Go, and Wallets. Strong engineering professional with a Cyber Security focused in masters of engineering

Hey, I'm Munira! I'm a software engineer who loves building things that actually work, from low-level systems that need to be rock-solid, to frontends that people enjoy using. What I bring to the table: Frontend Development: Clean, responsive interfaces using modern frameworks Backend Systems: Scalable APIs and server architecture that can handle growth Low-Level Systems: Performance optimization, systems programming, and getting close to the metal when needed Cybersecurity: Security-first mindset in everything I build (threat modeling, secure coding practices, vulnerability assessment) SEO: Technical SEO optimization to make sure your great work actually gets found I'm passionate about the full picture, from how your app ranks on Google, to how secure it is, to how smoothly it runs under the hood. Whether you need someone to architect a backend, lock down your security, or build a frontend that converts, I'm ready to dive in. Let's build something great together!

✅ TOP RATED PLUS (Top 3% Freelancer) Developer on Upwork, specializing in Mobile (Android native/Flutter). A pioneering and security-oriented developer offering more than 14 years of experience designing, implementing, integrating, testing and supporting impactful applications developed in diverse, collaborative environments for mobile and tablet devices on the mobile platform. WHY CHOOSE ME? ✅ 14+ Years of experience in Mobile Development ✅ 50 Finished Projects on Upwork, 100% Job Success ✅ 99% Clients who would recommend ⚡️ROCKSTAR IN: — Native Android/IOS Development — Hybrid Mobile Development - Flutter/React Native — Rust/NodeJS Backend Development ✅ Career Highlights - Developed numerous intuitive, visually engaging, and high-performance mobile applications that prioritize user experience and functionality. - Recognized for writing clean, efficient, secure, and reusable code, with a strong focus on privacy and data security. - Skilled in object-oriented design, data structures, problem-solving, performance optimization, and advanced debugging techniques. - Deep expertise in handling device compatibility and cross-version behavior across the mobile ecosystem. - Known as a self-driven, organized, and reliable developer who consistently meets deadlines and delivers quality work. - Provided technical leadership and mentorship to junior developers, helping elevate team performance. - Active contributor to the developer community with over 8,200 reputation points on Stack Overflow. 💬REVIEWS FROM CLIENTS: ⭐⭐⭐⭐⭐ "Phuoc Doan Hong is a true expert. His Kotlin knowledge and Android development experience are really valuable. I highly recommend this guy." ⭐⭐⭐⭐⭐ "He was an expert, in every move he made. Knowledgeable, patient and easy to communicate with. You can blindly trust him. Thanks again" ⭐⭐⭐⭐⭐ "Doan is highly skilled, smart, and works hard to find the best solution for complex problems. He has deep understanding of performance considerations in the Android platform. An Android expert. His English is excellent, and communication is great." ⭐⭐⭐⭐⭐ "I can simply say that I am very happy to work with him. He is very responsible, hardworking, and talented developer with great communication skills. He understood all the problems and delivered clear solutions. His skills and his professionalism are very high level. I am sure we will be working on new projects with him. Thanks for this amazing work!" Below you will find client reviews section, it describes the quality of work and value that you can expect from working with me

We build and manage scalable iGaming platforms for operators and startups. OmiSoft is a dedicated iGaming development team. We work with early-stage iGaming products and established gambling operators - delivering casino platforms, sportsbooks, and online gambling systems that perform under real traffic. What we build: 🎰 iGaming platforms (B2B & B2C) - Casino and sportsbook platform development - Turnkey iGaming solutions and white-label gambling platforms - Custom iGaming development from architecture to launch - Game provider integrations and in-house iGaming game development - PAM, CRM, bonus, and affiliate systems for gambling platforms 🏆 Sports betting & lottery - Sportsbook and sports betting platform development - Lottery, fantasy sports, and skill-game iGaming systems - Real-time odds feeds and betting engine integrations 📲 Telegram & mobile iGaming - Telegram gambling products and betting mini-apps - Mobile-first iGaming platforms for web and app 🔗 Blockchain for iGaming - Token mechanics and crypto payments for gambling platforms - Ethereum and Solana integrations for iGaming products ✅ Why iGaming teams work with us: - Dedicated iGaming development - not a generalist agency - Full ownership from iGaming product scope to delivery - Experience across regulated, white-label, and crypto iGaming markets - High-load architecture built for real gambling traffic - Transparent process, reliable delivery, long-term support We've helped iGaming operators launch, scale, and grow their platforms. Whether you need a turnkey iGaming solution or a custom-built gambling platform - let's talk. 📩 Got an iGaming project? Tell us what you're building - we'll come back with a plan within the hour.

Blockchain Developer & Trading Bot Specialist | DeFi · MEV · Algorithmic Trading | 24/7 Available | Production-Ready Systems As a Senior Blockchain Developer and Trading Bot Developer with over 10 years of experience, I build secure, high-performance smart contracts, DeFi protocols, and automated trading systems. Whether you need a battle-tested MEV bot, arbitrage bot, trading bot, audit bots, trading signal bots, or a full DeFi protocol, I deliver production-ready solutions from architecture to mainnet. I specialize as a Solidity developer on Ethereum and EVM chains, and as a Rust developer for Solana-based systems, along with Python for crypto bot development and trading automation. My expertise covers full-stack blockchain development, including dApp development, smart contract engineering, and blockchain automation with AI integration. 📌 𝗠𝘆 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 ✅ Trading Bots & Algorithmic Trading Systems Development of crypto trading bots including MEV bots, arbitrage trading bots, mempool bots, and AI-assisted trading systems. I build advanced on-chain trading strategies with low-latency execution using WebSockets and real-time mempool monitoring. Experience with CCXT for CEX integrations (Binance, Bybit), Solana trading bots, Jupiter aggregator bots, on-chain copy trading, and Telegram automation bots. ✅ Smart Contracts, Security & Optimization Expert in smart contracts using Solidity and Rust, including smart contract auditing, Web3 security, and gas optimization. I develop secure DeFi protocols using OpenZeppelin standards and tools like Hardhat, Foundry, and Slither, ensuring safe and scalable blockchain development with vulnerability assessment covering re-entrancy, overflow, and sandwich attack vectors. ✅ DeFi Protocol & DEX Development Building advanced DeFi protocols including AMMs, DEX development and token development. Hands-on experience with Uniswap V3, PancakeSwap, and Raydium, along with integrations and liquidity systems across Ethereum and Solana ecosystems. ✅ Full-Stack Web3 & dApp Development End-to-end Web3 development with React.js, Next.js, TypeScript, Wagmi, Ethers.js, and Web3.js. Seamless wallet integrations including MetaMask, Phantom, and WalletConnect. Backend systems built on Node.js, Python FastAPI, MongoDB, and PostgreSQL — delivering scalable, high-performance decentralized applications. 🔥 𝗣𝗼𝘄𝗲𝗿𝗵𝗼𝘂𝘀𝗲 𝗧𝗲𝗰𝗵 𝗦𝘁𝗮𝗰𝗸 🔥 Blockchain: Ethereum, Solana, BSC, Polygon, Arbitrum, Base, Cosmos 🔥 Languages: Solidity, Rust, Python, Go, TypeScript, JavaScript 🔥 Bot & Trading: CCXT, Flashbots, Web3.py, WebSockets, Mempool monitoring 🔥 Smart Contract Tools: Hardhat, Foundry, OpenZeppelin, Slither, Anchor 🔥 Frontend/Backend: React.js, Next.js, Node.js, FastAPI, MongoDB, PostgreSQL ✔ 𝗦𝗶𝗴𝗻𝗮𝘁𝘂𝗿𝗲 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝗧𝗵𝗮𝘁 𝗪𝗶𝗻 𝗣𝗿𝗼𝗷𝗲𝗰𝘁𝘀 ✔ MEV bot, arbitrage bot, sniper bot, and mempool bot development ✔ Solana trading bots, Jupiter bots, and on-chain copy trading systems ✔ Telegram automation bots and crypto alert systems ✔ Smart contract development, audit, and gas optimization ✔ Token development, staking contracts, and yield farming systems ✔ DEX development and AMM protocol design ✔ Full-stack blockchain and Web3 dApp development ✔ Testnet → Mainnet deployment across EVM and Solana Ready to build your next blockchain project, trading bot, or DeFi system? Message me — let's build fast, secure, and scalable. Thank you for visiting my profile!

Computer Scientist and Mathematician. I use Rust, Go, Python and Typescript. Research and R&D. Feel free to reach out if you need help with any of these points of interest.

🚀 Building the future of Web3 and AI-powered innovation. I'm a Blockchain & AI Developer specializing in Smart Contracts, Solana development, and full stack development across decentralized ecosystems. As a Blockchain & AI Developer, I help startups, founders, and enterprises develop secure, scalable, and gas-optimized blockchain and AI solutions, from Smart Contracts to AI-driven dApps, DeFi protocols, and Solana-native ecosystems. With 13+ years of experience in Solidity, Rust, and full stack development in Web3, I'm not just a coder, I'm a technical strategist who can turn your blockchain or AI concept into production-ready products. I specialize in building Smart Contracts on Solana, Ethereum, and other blockchain networks using Rust and Solidity. ✅ Blockchain & AI Developer Services 🔗 Smart Contracts Development & Auditing • ERC20, ERC721, ERC1155, ERC404, BEP20, SPL token standards • Smart Contracts with custom tokenomics: staking, vesting, whitelisting, royalties • Audit-ready Smart Contracts with gas optimization and security best practices • Solana Smart Contracts using Rust and Anchor framework 🤖 AI + Web3 Integrations • On-chain AI data automation, AI agent integration, and model inference • Connecting machine learning APIs to decentralized apps • Smart Contracts that interact with AI-powered oracles and analytics • Blockchain solutions powered by advanced AI capabilities 💱 DeFi & Cross-Chain Protocols • DEX, lending, staking, and liquidity pool architecture • Cross-chain bridge development (LayerZero, Wormhole) • Solana DeFi ecosystem development and yield farming systems • Blockchain-based yield farming and tokenomics systems 🛠️ Full-Stack dApp Development • Frontend: React, Next.js, TypeScript, TailwindCSS • Backend: Node.js, Python, Rust, Express.js • Full Stack Development across Solana, Ethereum, and multi-chain environments • Web3 libraries: Ethers.js, Web3.js, Solana Web3.js 🔐 Security & Testing • Unit, fuzz, and integration testing (Foundry, Hardhat, Anchor) • Vulnerability mitigation in Smart Contracts: reentrancy, flash loans, overflow • Blockchain audit preparation and Rust-based security protocols 🔍 Blockchain & AI Developer Specializations • AI-driven blockchain systems & analytics dashboards • Solana token launches and SPL Smart Contracts • Blockchain-based DAO governance and voting systems • DeFi yield platforms built with Rust and Solana • Smart Contracts for zkEVM and L2 integrations • Web3 wallets and automation scripts using Rust 🧠 Full Stack Development Tech Stack • Languages: Solidity, Rust, TypeScript, JavaScript, Python • Frameworks: Hardhat, Foundry, Anchor (Rust framework), Brownie, Next.js • Chains: Ethereum, Solana, Polygon, BSC, Avalanche, Arbitrum, zkSync • Infra: IPFS, PostgreSQL, MongoDB 💬 Client Feedback • "Delivered audit-ready Smart Contracts with zero vulnerabilities." • "Blockchain protocol optimization reduced gas costs by 40%." • "Solana Smart Contracts deployment was flawless—felt like having a CTO on the team." 📞 Let's Build the Future Whether you're launching a Solana token, building blockchain DeFi apps, or creating AI-powered Smart Contracts, I'll design, develop, and deploy with confidence. As your Blockchain & AI Developer, I bring Rust expertise and full stack development capabilities to every project. 📩 Click "Invite to Job" or message me—let's bring your blockchain and AI vision to life.

𝗜 𝗯𝘂𝗶𝗹𝗱 𝗮𝗻𝗱 𝘀𝗰𝗮𝗹𝗲 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻 𝘄𝗲𝗯 𝗮𝗽𝗽𝘀 𝗳𝗼𝗿 𝗦𝗮𝗮𝗦, 𝗳𝗶𝗻𝘁𝗲𝗰𝗵, 𝗿𝗲𝗮𝗹𝘁𝗶𝗺𝗲, 𝗮𝗻𝗱 𝗱𝗮𝘁𝗮-𝗵𝗲𝗮𝘃𝘆 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀. 𝟭𝟬+ 𝘆𝗲𝗮𝗿𝘀 𝗶𝗻 𝗳𝗿𝗼𝗻𝘁𝗲𝗻𝗱, 𝟮𝟬+ 𝘆𝗲𝗮𝗿𝘀 𝗶𝗻 𝘀𝗼𝗳𝘁𝘄𝗮𝗿𝗲, 𝗠𝗮𝘀𝘁𝗲𝗿’𝘀 𝗶𝗻 𝗖𝗼𝗺𝗽𝘂𝘁𝗲𝗿 𝗦𝗰𝗶𝗲𝗻𝗰𝗲. Most of my work comes from long-term product development engagements where reliability, maintainability, and delivery speed matter. 𝗜 𝘄𝗼𝗿𝗸 𝗱𝗶𝗿𝗲𝗰𝘁𝗹𝘆 𝘄𝗶𝘁𝗵 𝗰𝗹𝗶𝗲𝗻𝘁𝘀 — 𝗻𝗼 𝗮𝗰𝗰𝗼𝘂𝗻𝘁 𝗺𝗮𝗻𝗮𝗴𝗲𝗿𝘀, 𝗻𝗼 𝗵𝗮𝗻𝗱𝗼𝗳𝗳𝘀, 𝗻𝗼 𝗼𝘂𝘁𝘀𝗼𝘂𝗿𝗰𝗶𝗻𝗴. 𝗥𝗲𝗰𝗲𝗻𝘁 𝘄𝗼𝗿𝗸: • Led frontend development for a cryptocurrency exchange platform across a 2,800+ hour engagement using React and TypeScript • Built and maintained a large-scale WebRTC livestream platform with realtime video and high-frequency UI updates for live stadium fan engagement (1,800+ hours) • Served as senior full-stack engineer for a risk management SaaS platform across a 750+ hour engagement • Built data-heavy financial dashboards and operational tools using React, Node.js, and SQL • Refactored and scaled React/Vite applications to improve maintainability, delivery speed, and performance • Delivered production-critical debugging and emergency fixes for live React applications under active customer usage 𝗦𝘁𝗮𝗰𝗸: • React / Next.js / TypeScript / Zustand / Redux / Tailwind • Node.js / Express / GraphQL / PostgreSQL • WebRTC / WebSockets / realtime systems • OpenAI APIs / AI integrations / workflow automation • Docker / CI-CD / GCloud Earlier experience includes Angular modernization and migration work. I typically work as the lead or primary engineer on projects. For larger scopes, I can bring in trusted senior developers I’ve worked with for years while remaining personally accountable for architecture and delivery. Send me your project brief and I’ll reply within 4 hours with a concrete implementation plan, risk assessment, and recommended next steps.