Senior AI/ML Architect with 20+ years delivering measurable results. For the past few years, all work has been built with Claude Code, with deep hands-on experience in Claude API, MCP servers, agent design, and AI workflow automation. I also coach teams and founders on how to adopt these tools in their day-to-day work, from prompt design to building production-ready automations. Available for AI enablement, 1-on-1 coaching, team training, automation design, and strategic AI leadership roles. Accomplished scalable AI solutions as measured by founding Mission Automate and leading teams at Chatsi AI by architecting end-to-end platforms with Python, TensorFlow, PyTorch, and cloud ML services. Accomplished revenue-driving features as measured by developing systems generating millions in sales (VitalSource) and serving millions of users (Charles Schwab) by building full-stack solutions with Ruby, JavaScript, and optimized database architectures. Accomplished cross-industry impact as measured by successful deployments in fintech, e-commerce, healthcare, and education by leveraging AI/ML expertise (OpenCV, Transformers, OpenAI) with Agile methodologies and cloud platforms (AWS, GCP, Azure). Core Stack: Claude Code, Claude API, MCP, n8n, Zapier, Python, Ruby, AI/ML (TensorFlow, PyTorch), Cloud Platforms, Kubernetes, PostgreSQL/MongoDB What I'm proud of: • Live Claude Code demos at Mindstone AI Meetup, Silicon Valley (2026) • Mission Automate featured by Amazon SageMaker • Published StyleGAN2-ADA superhero generation research • Speaker at RailsConf 2021

I’m a Mobile App Developer with hands-on experience building and publishing production-ready apps for both iOS and Android — from initial development to final App Store and Play Store submission. I specialize in turning ideas or existing web apps into fully functional mobile applications, handling everything end-to-end including authentication, payments, push notifications, and backend integrations. 🚀 What I Do 📱 Build and publish mobile apps (iOS & Android) 🔄 Convert web apps into native apps using Capacitor 🔐 Implement secure authentication (Firebase, Google, Facebook, LINE, Apple, Phone OTP) 💳 Integrate payments (Stripe, 3D Secure, custom flows) 🔔 Set up push notifications using Firebase ☁️ Full Firebase integration (Auth, Firestore, Functions, Storage) 🎬 FFmpeg-based video & audio processing tools 💡 Mobile Development Expertise Capacitor & Cordova (custom plugins, native integrations) Native iOS (Objective-C) & Android (Java) Ionic, Angular, Vue (Quasar) REST API & backend integrations I ensure apps are: ✔ Stable and production-ready ✔ Fully compliant with App Store & Play Store guidelines ✔ Optimized for performance and scalability 🎯 Real Experience Built and published cross-platform apps from scratch Implemented multiple authentication systems across apps Integrated secure payment flows including Stripe Developed FFmpeg-based tools for video/audio processing Delivered apps with real users and production usage 🤝 Why Work With Me Clear communication and fast response Focus on long-term, scalable solutions Experience handling complete app lifecycle (dev → publish → maintain) Reliable delivery with attention to detail If you’re looking for someone who can take your app from idea to live on the App Store/Play Store, I can help you build it the right way.

🎖️$300K+ Total Earnings |🎖️𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗣𝗹𝘂𝘀 Freelancer | 𝟭𝟬𝟬% 𝗝𝗼𝗯 Success | Certified Developer with 𝟴+ 𝗬𝗲𝗮𝗿𝘀 of Experience 🎖️ | 𝟭𝟬𝟬% Customer Satisfaction 🌟 | B.tech In Computer Science 👨‍🎓 | Upwork Certified 📩 𝗟𝗲𝘁’𝘀 𝗯𝘂𝗶𝗹𝗱 𝘆𝗼𝘂𝗿 𝗻𝗲𝘅𝘁 𝗵𝗶𝗴𝗵-𝗽𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝘄𝗲𝗯 𝗼𝗿 𝗺𝗼𝗯𝗶𝗹𝗲 𝗮𝗽𝗽 — 𝗺𝗲𝘀𝘀𝗮𝗴𝗲 𝗺𝗲 𝘁𝗼 𝗴𝗲𝘁 𝘀𝘁𝗮𝗿𝘁𝗲𝗱 𝘁𝗼𝗱𝗮𝘆. 🔹 Availability: Full-time (𝟰𝟬–𝟱𝟬 𝗵𝗿𝘀/𝘄𝗲𝗲𝗸) | Open to long-term, SaaS, and enterprise-grade projects 🔹 Trusted Full Stack Developer with 8+ years of experience delivering scalable and modern solutions. 🔴 I am in the 𝗧𝗼𝗽 𝟭% overall on Upwork. 🔴 I am in the 𝗧𝗼𝗽 𝟮% overall on StackOverflow. I am Arun Kumar, a Top Rated Plus Full Stack Developer with 8+ years of experience in building high-performance web and mobile applications. I specialize in React, Next.js, Node.js, React Native, and integrating AI/ML. I leverage advanced tools like v0.dev, Cursor, GitHub Copilot, Devin AI, and others to supercharge productivity, automate workflows, and boost code quality. 💻 𝗔𝗯𝗼𝘂𝘁 𝗠𝘆 𝗧𝗲𝗰𝗵 𝘀𝘁𝗮𝗰𝗸 - ✅ Client Side: React Js, Next Js, Typescript, MUI Components, Ant design Components, React Native, jQuery, Bootstrap, tailwind css, HTML5/CSS3, UI/UX, Media Queries, Sass, Wordpress , Gsap, Three js ✅ Backend: 🔹Node Js, Next Js, Web API, JWT, OAuth, GraphQL ✅ Mobile App: 🔹React-Native, iOS, Android ✅ DevOps/Cloud/Microservices: 🔹Docker , Kubernetes, AWS (EC2, EKS, ECS, VPC, S3, API Gateway, Lambda) 🔹Git Actions , Jenkins, CI / CD , Serverless, Terraform, API Gateway, Load Balancers ✅ Data Stack: 🔹AWS Dynamo DB, SQL Server, PostgreSQL, My SQL, MongoDB, Firebase, Supabase ✅ Software Engineering: 🔹Agile Methodologies (Scrum) 🔹Project Management: JIRA 🔹Version Control: GitHub 🔹Collaboration and Workflow optimisation ✅ 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀: 🔹OAuth Providers: OAuth, Auth0 🔹Social Media APIs: Facebook API, Google API, Instagram API, Youtube API, Tiktok API 🔹Payment Gateways: Paypal API, Stripe API 🔹Communication: SendGrid, Sockets.io, OpenTok (video calling) 🔹Other APIs: Krogger API, WeChat 🔹Data Visualization: High Charts, jQuery Data tables 𝗪𝗛𝗬 𝗛𝗜𝗥𝗘 𝗠𝗘? ✅ 100% Job Success rate. ✅ Diverse Portfolio: E-commerce, Business Websites, Custom Solutions, Scalable APIs - I've done it all. ✅ 90+ Clients Across Various Platforms. ✅ 8+ years of experience. ✅ Committed to long-term success and crystal-clear communication. 𝗟𝗮𝗻𝗴𝘂𝗮𝗴𝗲𝘀: 🔹Python, 🔹 JavaScript 🔌 𝗔𝗣𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 🔹OpenAI API, Binance API, Telegram API, Stripe API, BetFair, OddsJam, etc. 🔹 Microservices Architecture, Secure Endpoints, Token Management. 🛠️ 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴 𝗦𝗸𝗶𝗹𝗹𝘀: 🔹 Performance Improvements (SQL + Code) 🔹Database Design (SQL, MySQL, Postgres) 🔹JWT Authentication 🔹 API Documentation 🔹Middleware It would definitely be a good long term & profitable partnership for both of us, Let's connect to discuss how I can help you achieve your goals! Thanks Arun Kumar ======================================================================= 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀 𝘁𝗼 𝗙𝗶𝗻𝗱 𝗺𝗲 𝗼𝗻 𝗨𝗽𝘄𝗼𝗿𝗸: Redux, Firebase, React, Next.js, TypeScript, TailwindCSS, Storybook, Atomic Design, Formik, MUI, Html, CSS, Javascript, Tailwind CSS, RESTful API, Migration, Landing Pages, WP Blocks, Elementor, Redux Framework, WooCommerce, Woocommerce Stripe Payments Gateway, Smooth Scrollbar JavaScript Plugin, Three.js custom carousel, marquee animating, No Code, Webpack, npm, yarn, API, WordPress Website Development, Bug Fixing, Quick Fixes, PSD to HTML, Figma to HTML, Landing Page Development, E-commerce Development, Woocommerce Development, Page Speed Optimisation

Top Rated Plus Full-Stack & AI Engineer with $2M+ earned, 100% Job Success, and 25,000+ hours delivered on Upwork. I build React, Node.js, Next.js, Python, and AI/RAG-powered web and mobile apps. Over the past 15+ years, I've built web and mobile applications for major brands including National Post, Toronto Sun, Vancouver Sun, NHL, MLB, WWE, Nespresso, and Toronto Green P Parking — as well as hundreds of startups, agencies, and nonprofits across Canada and beyond. 🔨 What I Build ⚡ Custom Web apps, AI Agents, and SaaS platforms — React.js, Node.js, Express.js, Typescript, Python 🛒 E-commerce stores — Wordpress, Shopify, WooCommerce, Webflow 📱 Cross-platform mobile apps — Flutter & React Native 🤖 AI-powered tools & integrations — OpenAI, Claude, Gemini 🎨 Landing pages & UI/UX design — Figma, Adobe XD 🧰 Tech Stack React.js · Node.js , Express.js · Python · Django · React Native · WordPress · Shopify · Webflow · TypeScript · Vue.js · MySQL · MongoDB · Elasticsearch · REST APIs · GraphQL · AWS · Linux 🏆 Why Clients Choose Me ✅ Top Rated Plus — recognized for excellence on large contracts 🏅 Awarded 2025 & 2026 on Clutch, GoodFirms, DesignRush & TechReviewer 🇨🇦 Based in Milton, Canada (EST) with a 150+ developer team across time zones 📄 Happy to sign NDAs and contracts within Canada ⏱️ Fast communicator — I typically respond within an hour I treat every project as a long-term partnership, not just a transaction. Whether you need a quick fix or a full product build, I'll make sure it's done right. Let's talk about your project — book a free discovery call or send me a message today.

🌟 Top-Rated Mobile App Developer | Android • iOS • VPN • IoT Hello! I'm Shahzain Ali, a Mobile & Desktop App Developer with 8+ years of experience building high-quality Android, iOS, desktop, wearable, and VPN applications. I specialize in Kotlin, Swift, Java, Python, and C++ (Qt) — delivering fast, reliable, and scalable solutions for clients worldwide. 💼 What I Do ✔ Android Development: Kotlin, Java, Jetpack, Room, Maps, Sensors ✔ iOS Development: Swift, SwiftUI, Authentication, In-App Purchases ✔ Desktop Apps: Python (Tkinter), C++ with Qt Framework ✔ Watch Apps: WearOS, watchOS, Samsung Tizen ✔ VPN Expert: OpenVPN & WireGuard integrations for Android, iOS & Desktop ✔ IoT & Embedded: BLE, Arduino, ESP32, NodeMCU, sensor integrations ✔ Cloud & Serverless: Firebase Auth, Storage, Realtime DB 🛠️ Tech Stack Languages & Tools: Swift, Kotlin, Java, Python, C++, SwiftUI, CMake, Android Studio, Xcode, Qt, Tkinter Databases: SQLite, Room, Realm APIs & Integrations: Google, Facebook, Stripe, PayTabs, Maps, Biometric Auth 🌍 Why Clients Choose Me 70+ mobile apps delivered for clients in the USA, Germany, UK, UAE, and beyond Strong knowledge of MVC, MVVM, clean architecture Deep expertise in payment systems, authentication, and geolocation Excellent communication, fast delivery, and clean, maintainable code Developer community contributor with 200K+ reach on StackOverflow ✨ Client Testimonials “Perfect developer, adheres to schedule, highly motivated specialist for any complex task. Will hire again for sure.” “Good experience working with Ali. He has a great attitude and does his best to help.” If you're looking for a reliable, experienced developer who understands both mobile and system-level technologies, let's work together to build something amazing.

I specialize in desktop, embedded, web, and mobile software development, with a strong focus on Qt C++ systems, cross-platform applications, and hardware integration such as RFID, sensors, and custom devices. With 25+ years of experience, I deliver end-to-end software solutions across desktop, embedded, web, mobile, backend, and integration layers. I usually work on complete systems where reliability, maintainability, and long-term ownership are important. Core Expertise • Desktop Applications: Qt C++ / QML on Windows, Linux, macOS • Embedded & Hardware Integration: RFID, sensors, custom devices • Web Development: ASP.NET Core, APIs, databases, admin dashboards, backend systems • Mobile Development: Android/iOS apps, cross-platform mobile integrations • Backend & Integrations: REST APIs, databases, TCP/IP, third-party services • Cross-Platform Systems: Windows, Linux, Android, iOS • Project Ownership: Architecture, implementation, testing, deployment, delivery Technologies & Tools • Qt C++, Qt QML, PyQt • C++, C#, Python, ASP.NET Core, WPF, WCF • Web APIs, backend systems, admin panels, database-driven applications • Socket programming, TCP/IP, multithreading, Windows services • Windows API / SDK, MFC, COM, ActiveX • Databases: MySQL, MS SQL, MariaDB, SQLite, ODBC • Embedded: Atmel Studio, Microchip Studio Strengths • Building reliable, maintainable, long-lived systems • Strong desktop, embedded, web, and mobile system integration experience • Strong analytical and problem-solving skills • Clear communication and independent execution • Full ownership from architecture to final delivery Selected Projects • RFID-based document management system • Billing and invoicing platform • Fleet tracking and management system • Automotive spectrum analyzer system • POS and pharmacy management systems • Hospital and healthcare management systems • Hotel booking and resource management system • Automotive climate control software • Embedded alarm systems • Automated greenhouse ventilation and irrigation system • Web-based business management platforms • Mobile apps connected to backend systems and hardware devices

With over 13+ years of experience in delivering tailor-made, high-performance web solutions, I specialize in developing custom web applications and SEO-optimized platforms, integrating them seamlessly into mobile apps. 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 & 𝐂𝐨𝐫𝐞 𝐒𝐤𝐢𝐥𝐥𝐬: Proficient in building custom web apps using JavaScript, Node.js, React.js, Python, and AI. Expertise in database management with MongoDB, PostgreSQL, and MySQL. 𝐏𝐫𝐨𝐟𝐢𝐜𝐢𝐞𝐧𝐭 𝐢𝐧 𝐛𝐮𝐢𝐥𝐝𝐢𝐧𝐠 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞, 𝐫𝐞𝐚𝐥-𝐭𝐢𝐦𝐞 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 𝐮𝐬𝐢𝐧𝐠 𝐒𝐮𝐩𝐚𝐛𝐚𝐬𝐞 𝐟𝐨𝐫 𝐛𝐚𝐜𝐤𝐞𝐧𝐝, 𝐚𝐮𝐭𝐡𝐞𝐧𝐭𝐢𝐜𝐚𝐭𝐢𝐨𝐧, 𝐚𝐧𝐝 𝐝𝐚𝐭𝐚𝐛𝐚𝐬𝐞 𝐦𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭. Strong understanding of MVC & MVVM architectures, with a focus on object-oriented programming (OOP). Skilled in using IDEs, version control systems, deployment, and monitoring tools. Full-stack knowledge, including HTTP, sessions, web sockets, and more. 𝐀𝐝𝐝𝐢𝐭𝐢𝐨𝐧𝐚𝐥 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: Extensive experience in PCI compliance and e-commerce industry standards. Skilled in optimization, caching, and scaling for faster, more efficient applications. Experience with multi-website and store view deployment for complex projects. I’m deeply involved in all phases of the development lifecycle—analysis, design, coding, testing, and deployment—to ensure your project’s success. I take pride in translating your ideas into high-quality, user-friendly applications tailored to meet your specific business needs. 𝐌𝐲 𝐏𝐨𝐫𝐭𝐟𝐨𝐥𝐢𝐨: 𝐅𝐫𝐨𝐦 𝐈𝐝𝐞𝐚𝐬 𝐭𝐨 𝐒𝐮𝐜𝐜𝐞𝐬𝐬 𝐒𝐭𝐨𝐫𝐢𝐞𝐬 I’ve collaborated with clients across various industries, delivering: 𝐑𝐞𝐚𝐥 𝐄𝐬𝐭𝐚𝐭𝐞 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬: Custom platforms for property management, listings, and transactions. 𝐎𝐧𝐥𝐢𝐧𝐞 𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬: Development of eLearning systems, LMS, and interactive learning experiences. 𝐂𝐑𝐌 𝐒𝐨𝐟𝐭𝐰𝐚𝐫𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: Tailored CRM solutions to enhance customer relationships and business processes. 𝐂𝐮𝐬𝐭𝐨𝐦 𝐄𝐧𝐭𝐞𝐫𝐩𝐫𝐢𝐬𝐞 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬: Scalable and efficient enterprise-level software to meet specific business needs. 𝐏𝐚𝐲𝐦𝐞𝐧𝐭 𝐏𝐫𝐨𝐜𝐞𝐬𝐬𝐢𝐧𝐠 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬: Secure and seamless integration for online payment gateways and financial transactions. 𝐒𝐨𝐜𝐢𝐚𝐥 𝐌𝐞𝐝𝐢𝐚 & 𝐃𝐚𝐭𝐢𝐧𝐠 𝐖𝐞𝐛 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬: Innovative platforms for social networking and online dating services. 𝐑𝐞𝐭𝐚𝐢𝐥 & 𝐄-𝐜𝐨𝐦𝐦𝐞𝐫𝐜𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: End-to-end solutions for online retail, marketplace development, and product management systems. 𝐀𝐈 & 𝐈𝐨𝐓 𝐂𝐨𝐧𝐧𝐞𝐜𝐭𝐢𝐯𝐢𝐭𝐲 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬: Advanced backend systems integrating AI and IoT for smart devices and data processing. 𝐇𝐞𝐚𝐥𝐭𝐡𝐜𝐚𝐫𝐞, 𝐅𝐢𝐭𝐧𝐞𝐬𝐬 & 𝐅𝐢𝐧𝐚𝐧𝐜𝐞 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬: Specialized applications for healthcare management, fitness tracking, and financial services. 𝐄𝐧𝐭𝐞𝐫𝐩𝐫𝐢𝐬𝐞 𝐏𝐨𝐫𝐭𝐚𝐥𝐬 & 𝐈𝐝𝐞𝐧𝐭𝐢𝐭𝐲 𝐀𝐜𝐜𝐞𝐬𝐬 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭: Development of secure portals with user authentication and role-based access control. 𝐎𝐧-𝐃𝐞𝐦𝐚𝐧𝐝 𝐖𝐞𝐛 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬: Scalable solutions for industries such as food delivery, taxi booking, home services, beauty salons, laundry, and more. In recent years, my focus has shifted toward AI-driven solutions that automate workflows, enhance user experiences, and unlock new growth opportunities for businesses. 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐜𝐚𝐭𝐢𝐨𝐧 & 𝐂𝐨𝐥𝐥𝐚𝐛𝐨𝐫𝐚𝐭𝐢𝐨𝐧: Clear and efficient communication is key to any successful project. With a strong command of English and excellent communication skills, we’ll be able to collaborate seamlessly, ensuring your vision is brought to life. 𝐏𝐨𝐬𝐭-𝐏𝐫𝐨𝐣𝐞𝐜𝐭 𝐒𝐮𝐩𝐩𝐨𝐫𝐭: I offer one year of free support after the project is completed, ensuring your application runs smoothly. For ongoing support, I offer affordable maintenance packages, providing peace of mind well beyond the first year. I specialize in the end-to-end management of web development projects and am eager to bring your ideas to life—from concept to execution. With strong problem-solving abilities, a deep understanding of system architecture, and a passion for delivering top-tier solutions, I’m committed to solving your challenges and driving success for your business.

🚀 Top 1% of Talent in 𝐀𝐈-𝐏𝐨𝐰𝐞𝐫𝐞𝐝 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 & Technology Leadership ⚡ Building 𝐀𝐈-𝐩𝐨𝐰𝐞𝐫𝐞𝐝 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐬, enterprise platforms, SaaS solutions, and scalable digital ecosystems 🔧 Using modern AI tools including Cursor, Claude Code, GitHub Copilot, GPT-4/GPT-4o, and Claude Sonnet/Opus 🤖 Experienced in AI agents, LLM integrations, AI automation, and multi-agent development systems 🚀 Accelerating development with 𝐀𝐈-𝐚𝐬𝐬𝐢𝐬𝐭𝐞𝐝 𝐞𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢, agentic coding, and automation-driven workflows 💻 𝐖𝐇𝐀𝐓 𝐘𝐎𝐔 𝐀𝐍𝐃 𝐘𝐎𝐔𝐑 𝐓𝐄𝐀𝐌 𝐆𝐄𝐓 Full-Stack Web Development Master's - high-performance web application development utilizing React, Node.js, and PHP to build scalable SaaS, FinTech, and Enterprise software. AI & Automation Systems Innovators - custom LLM applications, RAG pipelines, and intelligent workflow automations seamlessly integrated into your infrastructure. 📊 𝐀𝐂𝐇𝐈𝐄𝐕𝐄𝐌𝐄𝐍𝐓𝐒 𝐈𝐍 𝐍𝐔𝐌𝐁𝐄𝐑𝐒 (𝐁𝐔𝐒𝐈𝐍𝐄𝐒𝐒 & 𝐒𝐘𝐒𝐓𝐄𝐌 𝐈𝐌𝐏𝐀𝐂𝐓) 25+ years, 50,000+ engineering hours, 200+ successful launches delivered as a Senior Full Stack Developer and tech leader across global industries. ◾ Full-Stack Web Development for Enterprise & SaaS Platforms: Engineered and launched custom AI-powered SaaS platforms that scaled to millions of active users with 99.99% operational uptime. Accelerated product development cycles by 40% by deploying optimized React component libraries and agile workflows. Backend Architecture & API Engineering (Node.js & PHP): Reduced server infrastructure costs by 50% by migrating legacy monoliths into scalable microservices using Node.js, NestJS, and PHP. Optimized heavy data-processing pipelines, reducing database latency by 70% via tailored PostgreSQL, MongoDB, and MySQL schemas. ◾ AI App Development & Workflow Automation: Developed and integrated proprietary OpenAI GPT, Claude, and Gemini models into operational CRMs, increasing client workflow efficiency by 180%. Successfully deployed secure, HIPAA-compliant healthcare applications and high-security FinTech platforms with built-in Stripe / PayPal integrations. 🎯 𝐖𝐇𝐄𝐑𝐄 𝐖𝐄 𝐃𝐄𝐋𝐈𝐕𝐄𝐑 (𝐂𝐎𝐑𝐄 𝐄𝐗𝐏𝐄𝐑𝐓𝐈𝐒𝐄) As a Full Stack Developer & Solution Architect: I handle the full cycle of Full-Stack Web Development, defining technical roadmaps, designing scalable web applications, and ensuring bulletproof cyber-security protocols. As a Front-End Development Expert: Crafting pixel-perfect, highly responsive user interfaces using React, Next.js, TypeScript, Vue.js, and Angular to ensure maximum conversion rates and premium UX. As a Back-End Development Authority: Designing ultra-fast APIs and core services with Node.js (Express/NestJS), PHP, Python (FastAPI/Django), and modern Serverless Stack architectures. As a Cloud & DevOps Engineer: Implementing enterprise-grade cloud deployments via AWS, Google Cloud, and Azure, utilizing Docker, Kubernetes, and automated CI/CD pipelines. 🛠 𝐓𝐄𝐂𝐇 𝐒𝐓𝐀𝐂𝐊 & 𝐀𝐑𝐂𝐇𝐈𝐓𝐄𝐂𝐓𝐔𝐑𝐄 𝐄𝐂𝐎𝐒𝐘𝐒𝐓𝐄𝐌 Frontend Suite: React, Next.js, TypeScript, Tailwind CSS, Vue.js, Angular, Responsive Web Design. Backend Core: Node.js, NestJS, Express.js, PHP, Python, FastAPI, Django. Databases & Caching: PostgreSQL, MongoDB, MySQL, Redis. APIs & Global Integrations: REST APIs, GraphQL, Webhooks, Stripe, PayPal, Twilio, SendGrid. Cloud & DevOps Platform: AWS (Amazon Web Services), Google Cloud, Azure, Docker, Kubernetes, Jenkins, GitHub Actions CI/CD. 🧠 𝐃𝐄𝐄𝐏 𝐈𝐍𝐃𝐔𝐒𝐓𝐑𝐘 𝐄𝐗𝐏𝐄𝐑𝐈𝐄𝐍𝐂𝐄 AI & SaaS Startups: Rapid MVP development, RAG pipelines, AI chatbots, and predictive analytics tools. FinTech & E-commerce: High-load payment gateways, customized checkout solutions, compliance, and ledger systems. Healthcare & PropTech: Automated workflow systems, secure patient portals, CRM platforms, and real-time data visualization dashboards. Enterprise Automation: Heavy B2B platforms, marketplaces, and cross-platform integrations. ⚡ 𝐇𝐎𝐖 𝐖𝐄 𝐖𝐎𝐑𝐊 𝐓𝐎𝐆𝐄𝐓𝐇𝐄𝐑 Strategic Discovery: As a CTO, I align your business goals, success metrics, and timeline constraints before writing a single line of code. Architecture Blueprinting: We map out the core database schemas, React frontend components, and Node.js / PHP API flows to ensure long-term scalability. Agile Iteration: Backed by the senior engineering powerhouse at Onix-Systems, we deliver high-velocity sprints with predictable, production-ready releases every 2 weeks. DevOps & Launch: Secure deployment across AWS/GCP/Azure with ongoing tech partnership and proactive optimization based on product metrics. Looking for a Senior Full Stack Developer and a Full-Stack Web Development team to turn your complex concept into a world-class, scalable web platform? 𝐋𝐞𝐭’𝐬 𝐜𝐨𝐧𝐧𝐞𝐜𝐭! Send over your project brief, scope, or existing codebase notes, and I’ll provide a high-level strategic roadmap for your next big launch. ☎️

I help businesses build, modernize, and scale enterprise software systems, with a strong focus on .NET, SaaS platforms, cloud-based architecture, and complex business workflows. **What I Can Help With** * Build scalable SaaS platforms from scratch * Modernize legacy .NET applications into cloud-ready systems * Design multi-tenant architecture for SaaS products * Develop secure and reliable REST APIs * Implement Stripe Connect for marketplaces, subscriptions, onboarding, payments, refunds, and payouts * Improve performance, stability, and maintainability of existing systems * Lead development teams and work directly with business stakeholders * Use AI-assisted development tools such as Codex and Claude to accelerate delivery and improve code quality **Recent Work** * Working on a multi-tenant Warehouse Management System SaaS platform * Designed and developed backend APIs for tenant management, roles, inventory, orders, receiving, picking/packing, invoicing, reports, audit logs, and background jobs * Leading Stripe Connect integrations, including connected account onboarding, payment flows, platform fees, refunds, and controlled payout handling * Supporting both modern SaaS development and legacy system modernization **Technical Focus** * .NET / ASP.NET Core / C# * REST APIs and backend architecture * SQL Server / PostgreSQL / EF Core * React / Node.js experience for modern web applications * Cloud-native development and SaaS platforms * Stripe Connect and payment workflows * AI-enabled business solutions **Domain Experience** * 20 years developing enterprise systems for the U.S. Title Insurance, Escrow & Closing, Land Registration, Cadastre, and Valuation industry * 5+ years building and maintaining Warehouse Management Systems * Additional experience in HR, Claim Management, Time Attendance, CMS, and other business systems I have extensive experience working with US-based clients and distributed teams, with a strong focus on architecture, communication, performance, and delivering long-term business value.

A Top Rated Plus freelancer with 13,000+ hours billed for building production web and mobile applications. 12+ years shipping at enterprise scale including banking platforms, SaaS products, fintech tools, e-commerce systems, and integrating AI into fullstack products to help businesses automate workflows, process data intelligently, and build smarter applications. WHAT I BUILD: → React / Next.js: SSR, SSG, TypeScript, Redux, Zustand, React Query, Tailwind. Production apps serving 700M+ users → Angular (v2-20): Standalone components, Signals, NgRx, micro-frontends, performance optimization → Node.js Backends: NestJS, Express, REST APIs, GraphQL, PostgreSQL, MongoDB, Redis, microservices architecture → .NET Development: ASP.NET Core, Web API, Entity Framework, SQL Server → Python Development: FastAPI, Django, Flask, AI/ML integrations, automation scripts, data processing pipelines, LLM applications, and API development → Mobile: React Native & Ionic/Capacitor → AI Integration: GPT-4, LangChain, RAG pipelines, vector databases, AI chatbots, voice AI, agentic workflows, and AI-powered features integrated into both new and existing applications SCALE I'VE DELIVERED: → Success.ai: SaaS platform, 700M+ users. React, Node.js, PostgreSQL, CRM pipeline, AI-powered bulk data processing at 10M records/day → Emirates NBD: Banking portal, 17M+ customers. Led frontend team. Custom component library, RTL/LTR, token-based multi-brand theming → ADIB Bank: 5M+ customers. Lighthouse 52 → 89. Bundle size reduced 35% → XSTAK AI: GPT-4 RAG engine integrated into enterprise document workflows. Weaviate vector DB, PDF chunking, semantic search → Luxuri: Property portal (Airbnb-style). Next.js, search/filter/maps → OrderVez: Cloud POS for restaurants. Fullstack, order flows, payment integration → 4 React Native apps live on Play Store: AlphaOcean, Almost4x4, EpicPC Health, RGV Parent WHY HIRE ME: → I build the full product including frontend, backend, mobile, AI layer, deployment → I add AI to existing apps without rebuilding everything from scratch → Clean, tested, documented code your next developer can maintain → Clear communication with regular updates, no surprises