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I’m a Software & AI Engineer with 9+ years in the IT industry, combining deep hands-on software engineering and R&D experience with modern GenAI, LLMs, NLP, RAG, AI agents, automation, and full-stack development. I've contributed to 55+ projects and delivered 70+ freelance projects end-to-end for clients across the US, UK, Canada, Australia, Singapore, France, India, and other markets. My background spans software engineering, AI/ML, architecture, DevOps, RPA, e-commerce, SaaS, EdTech, healthcare, and business automation. ● SOFTWARE & AI ENGINEERING: › LLM & NLP ENGINEERING: • 7.5+ years of hands-on engineering & R&D, plus 3+ years of consulting/freelance experience • LLMs and GenAI: OpenAI, Claude, LLaMA, Mistral, Hugging Face, and custom model pipelines • NLP: Q&A, summarization, semantic search, entity recognition, sentiment analysis, and document intelligence • Prompt engineering, model selection, evaluation, and optimization for accuracy, cost, and latency • Modern GenAI alongside traditional ML, Computer Vision, and OCR › RAG & KNOWLEDGE SYSTEMS: • Production-oriented RAG systems over private and domain-specific data • LangChain, LlamaIndex, Pinecone, FAISS, embeddings, and vector/graph-based retrieval • Context-aware product discovery, recommendations, Q&A, and customer-support systems › AI AGENTS & AUTOMATION: • Agentic AI systems for intelligent workflows, decision-making, and task automation • Context-aware and multilingual conversational systems with memory and business logic • AI-powered lead capture, onboarding, support, sales, and internal workflows • RPA + AI using UiPath, Power Automate, OCR, Computer Vision, and intelligent document processing › FULL-STACK GENAI DEVELOPMENT: • React, Next.js, Vue/Nuxt, Tailwind, .NET, C#, Python, Node.js, and TypeScript • Complete AI products - conversational UIs, dashboards, APIs, admin portals, and business platforms • PostgreSQL, SQL Server, Cosmos DB, Redis, MongoDB, and GraphDB • Architecture with Clean Architecture, Onion, MVC, MVVM, DDD, and SOLID principles › INTEGRATIONS & AUTOMATION: • REST APIs, webhooks, Slack, WhatsApp, Telegram, Discord, CRMs, Zapier, Make, Selenium, and Playwright • AI and automation integrated with existing software, data, and business processes › CLOUD & DEVOPS: • AWS, Azure, GCP, Vercel, Docker, CI/CD, GitHub Actions, Azure Pipelines, and IaC • Reduced CI/CD build time by ~80% and trimmed a production repository by 100MB+ • Lighthouse performance reaching 95+ desktop / 85+ mobile • Security-minded API, application, and infrastructure design ● MAIN INDUSTRIES & DOMAINS: E-commerce, SaaS, EdTech, Healthcare, Logistics, FinTech, ERP, RPA & Business Automation ● WHY WORK WITH ME: › ENGINEERING DEPTH: • 70+ freelance projects delivered end-to-end across the US, UK, Canada, Australia, Singapore, France, India, and other markets • 3 consecutive years as an Upwork Top-Rated freelancer, with 90+ JSS during multiple periods • Led and delivered 3 US-based products end-to-end as a Senior Solutions Architect • Led product and engineering for a 500+ product-line e-commerce business • Mentored 5 team members across development, QA, and content • 25+ professional certifications across AI/ML, software, cloud, project management, RPA, and related disciplines › HOW I WORK: • Hands-on engineering with AI/ML and product thinking • Practical R&D: validate ideas, then turn them into reliable products • Clear communication and end-to-end ownership ● YOU BRING THE PROBLEM. I'LL BRING THE SOLUTION. 🤝 Whether you're building from scratch, modernizing an application, solving a tough engineering problem, or exploring AI, I can take it from R&D and architecture through development and deployment. AI when it makes sense! And, solid software engineering when it doesn't! 🙂 Either way, the goal is the same: build something that works, scales, and delivers real value. Have something you'd like to build, improve, or fix? Let's talk. Thanks, Umer

𝐇𝐞𝐫𝐞'𝐬 𝐭𝐡𝐞 𝐝𝐞𝐚𝐥: Share your idea, and we’ll turn it into a functional, scalable, and beautifully designed app that solves real problems and generates revenue. 𝗛𝗼𝘄 𝗬𝗼𝘂𝗿 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝗠𝗼𝘃𝗲𝘀 𝗙𝗿𝗼𝗺 𝗜𝗱𝗲𝗮 𝘁𝗼 𝗟𝗶𝘃𝗲 𝗣𝗿𝗼𝗱𝘂𝗰𝘁: Every project follows a clear, proven journey, divided into milestones: UI/UX design → Front-end development → Backend development → Deployment → Post-launch maintenance (8 weeks FREE) This ensures transparency, predictable delivery, and zero surprises. ---------------------------------------------- I offer a 𝗳𝗿𝗲𝗲 𝟯𝟬-𝗺𝗶𝗻𝘂𝘁𝗲 𝗰𝗼𝗻𝘀𝘂𝗹𝘁𝗮𝘁𝗶𝗼𝗻 to discuss and refine your idea, recommend the right tech stack, and forecast any ongoing costs as your user base grows, so you avoid surprises and make informed decision with clarity. ---------------------------------------------- Words from a recent client after working with us: (check more on my profile below) "Noman Razzaq 𝙞𝙨 𝙫𝙚𝙧𝙮 𝙥𝙧𝙤𝙛𝙚𝙨𝙨𝙞𝙤𝙣𝙖𝙡 𝙖𝙣𝙙 𝙞𝙨 𝙖𝙡𝙬𝙖𝙮𝙨 10 𝙨𝙩𝙚𝙥𝙨 𝙖𝙝𝙚𝙖𝙙 𝙤𝙛 𝙠𝙣𝙤𝙬𝙞𝙣𝙜 𝙬𝙝𝙖𝙩 𝙩𝙝𝙚 𝙗𝙪𝙞𝙡𝙙 𝙣𝙚𝙚𝙙𝙨. 𝙒𝙚 𝙖𝙧𝙚 𝙘𝙤𝙣𝙩𝙞𝙣𝙪𝙞𝙣𝙜 𝙩𝙤 𝙬𝙤𝙧𝙠 𝙩𝙤𝙜𝙚𝙩𝙝𝙚𝙧 𝙖𝙣𝙙 𝙄 𝙝𝙖𝙫𝙚 𝙖𝙡𝙧𝙚𝙖𝙙𝙮 𝙧𝙚𝙘𝙤𝙢𝙢𝙚𝙣𝙙𝙚𝙙 𝙝𝙞𝙢 𝙩𝙤 𝙤𝙩𝙝𝙚𝙧 𝙘𝙤𝙢𝙥𝙖𝙣𝙞𝙚𝙨." ⭐⭐⭐⭐⭐ - 𝘼𝙡𝙞𝙘𝙞𝙖 𝘾𝙤𝙬𝙖𝙣 𝙁𝙤𝙪𝙣𝙙𝙚𝙧 𝙈𝙚𝙨𝙢𝙚𝙧 (𝙐𝙣𝙞𝙩𝙚𝙙 𝙆𝙞𝙣𝙜𝙙𝙤𝙢) ---------------------------------------------- I've majored in software engineering, and I've used a myriad of technologies to help various businesses create mobile apps that have generated millions in revenue. Over the past 5+ years, I have developed a wide range of iOS and Android mobile apps. ✅ Food delivery app ✅ Ride booking app (like Uber) ✅ Real estate listing app (Like Airbnb) ✅ Social media mobile app (like TikTok/Instagram) ✅ Startups/Investment management mobile app ✅ Wellness mobile app ✅ Fitness and Nutrition mobile app (like CalAI, MyFitnessPal) ✅ Sports mobile app ✅ E-commerce mobile app ✅ Language Learning Mobile App (Like Duolingo) ✅ Event management mobile app ✅ Grocery/Meal Planning mobile app ✅ Freelance mobile app ✅ Service Booking Mobile App (Home/HVAC) ✅ Inventory Management Mobile App ✅ Learning Management Mobile App ✅ Appointment Booking Mobile App (Salon/Doctor) ✅ Venue Booking Mobile App (Sports/Events) ✅ Task Management Mobile App (Project Management/To-Do) ✅ On-Demand Custom Mobile Apps ---------------------------------------------- As your 𝘁𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗽𝗮𝗿𝘁𝗻𝗲𝗿, I go above and beyond to ensure your app’s success, from concept to launch. What I Also Bring Beyond Development: → Technology & architecture consulting → Product roadmap & feature prioritization → Help you understand any possible ongoing costs with the project → Cost-effective tech stack selection with long-term cost planning → Scalability strategy as your user base grows → Technical support during investor or stakeholder discussions ---------------------------------------------- 𝗠𝗮𝗶𝗻𝘁𝗲𝗻𝗮𝗻𝗰𝗲 & 𝗟𝗼𝗻𝗴-𝗧𝗲𝗿𝗺 𝗦𝘂𝗽𝗽𝗼𝗿𝘁 I provide free post-delivery support for 8 weeks, followed by flexible maintenance plans based on your product needs, usage scale, and future roadmap, always discussed transparently. ---------------------------------------------- 🚀 If you’re looking for someone who understands your product, owns outcomes, communicates clearly, and thinks long-term, let’s connect and build something solid. ❗❗ Check out my portfolio! ❗❗ Highlighted Skills: Full Stack Developer | Expert Full Stack Developer | Full Stack Mobile App Developer | Full Stack AI Developer | Expert Full Stack Mobile App Developer | Mobile Developer | iOS Developer | Android App Developer | Mobile App Development | Cross platform development | AI App Developer | AI App | Mobile Developer | App Developer | Mobile App Development Consultation | IT Consultation | App Developer | AI App Developer | iOS App Development | iOS App | Android App Development | Hybrid App development | Mobile App Development Consultation | Flutter | Firebase | Dart | Flutter Dart | Flutter Firebase | iOS Development | Android App Development | Smartphone | User Authentication | In App Purchases | API Integration

Top Rated Flutter App Developer building scalable Flutter apps for iOS, Android, SaaS, marketplace, booking, fintech, healthcare, and AI-powered mobile app platforms. If you need a Flutter App Developer who can handle Flutter app development from idea, UI/UX, backend, APIs, testing, launch, and scaling, I can help. I am a Flutter App Developer and mobile app specialist with 8+ years of Flutter development experience. I build production-ready Flutter applications for startups, founders, agencies, and businesses that need reliable mobile apps, SaaS products, marketplace platforms, booking systems, fintech apps, healthcare apps, and AI-powered mobile solutions. As a Flutter App Developer, I do not only build screens. I help you plan the product, choose the right architecture, design the user flow, build the Flutter app, connect the backend, integrate APIs, test the release, deploy to the App Store and Google Play, and support the app after launch. 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 𝐬𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝐈 𝐩𝐫𝐨𝐯𝐢𝐝𝐞: Flutter app development from idea to launch Flutter mobile app development for iOS and Android Flutter App Developer support for MVPs, SaaS apps, and startup products Flutter app development for marketplace apps, booking apps, eCommerce apps, fintech apps, healthcare apps, fitness apps, and logistics apps Flutter UI development from Figma, XD, or existing designs Flutter frontend development with clean architecture and scalable code Flutter backend integration with Firebase, Supabase, Node.js, Python, REST APIs, and GraphQL Flutter API integration for payments, maps, chat, notifications, AI, CRM, and third-party platforms Flutter app redesign, bug fixing, performance optimization, refactoring, and maintenance Flutter App Store and Google Play deployment Flutter AI app development using OpenAI, ChatGPT, Gemini, voice, OCR, and automation workflows 𝐖𝐡𝐚𝐭 𝐈 𝐜𝐚𝐧 𝐛𝐮𝐢𝐥𝐝 𝐚𝐬 𝐲𝐨𝐮𝐫 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫: Flutter iOS apps Flutter Android apps Flutter cross-platform apps Flutter SaaS apps Flutter marketplace apps Flutter booking apps Flutter delivery apps Flutter fintech apps Flutter healthcare apps Flutter eCommerce apps Flutter fitness apps Flutter AI apps Flutter automation apps Flutter admin-connected mobile apps Flutter MVP apps for startups Flutter apps with Firebase, Supabase, APIs, Stripe, Google Maps, push notifications, and real-time features 𝐌𝐲 𝐜𝐨𝐫𝐞 𝐭𝐞𝐜𝐡 𝐬𝐭𝐚𝐜𝐤 𝐅𝐥𝐮𝐭𝐭𝐞𝐫: Flutter, Dart, Flutter App Development, Flutter Mobile App Development 𝐌𝐨𝐛𝐢𝐥𝐞: iOS App Development, Android App Development, cross-platform mobile apps 𝐁𝐚𝐜𝐤𝐞𝐧𝐝: Firebase, Supabase, Node.js, Python, REST APIs, GraphQL 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞: Firestore, PostgreSQL, MongoDB, MySQL 𝐖𝐞𝐛/𝐀𝐝𝐦𝐢𝐧: React, Next.js, admin dashboards, SaaS dashboards 𝐏𝐚𝐲𝐦𝐞𝐧𝐭𝐬: Stripe, subscriptions, in-app purchases, payment gateway integration 𝐌𝐚𝐩𝐬 & 𝐑𝐞𝐚𝐥-𝐓𝐢𝐦𝐞: Google Maps, live tracking, chat, push notifications, WebSockets 𝐀𝐈: OpenAI API, ChatGPT API, Claude, Cursor, Gemini API, AI chatbots, AI voice, OCR, AI automation 𝐃𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭: App Store, Google Play, Firebase Hosting, cloud deployment, CI/CD 𝐖𝐡𝐲 𝐜𝐥𝐢𝐞𝐧𝐭𝐬 𝐜𝐡𝐨𝐨𝐬𝐞 𝐦𝐞 𝐚𝐬 𝐭𝐡𝐞𝐢𝐫 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 Top Rated Upwork freelancer 8+ years of Flutter app development experience 11.5+ years of full-stack software development experience Complete Flutter product development from planning to launch End to end solution including Flutter development, UI/UX design, backend, QA & testing, and deployment Experience building Flutter apps for SaaS, marketplaces, booking platforms, fintech, healthcare, AI apps, and automation systems Strong understanding of product architecture, backend logic, APIs, performance, app store requirements, and long-term scaling A successful Flutter app needs more than code. It needs the right user flow, backend, architecture, API structure, performance setup, testing process, deployment plan, and scaling strategy. If you are looking for a Flutter App Developer who can build, improve, launch, or scale your Flutter app, send me your idea, Figma design, existing app, or project requirements. I will help you map the best technical path forward. 𝐊𝐞𝐲𝐰𝐨𝐫𝐝𝐬 𝐭𝐨 𝐅𝐢𝐧𝐝 𝐦𝐞: Flutter | Flutter App Developer | Flutter Developer | Flutter App Development | Flutter Mobile App Development | Flutter iOS App | Flutter Android App | Flutter Firebase App | Flutter Supabase App | Flutter API Integration | Flutter SaaS App | Flutter Marketplace App | Flutter Booking App | Flutter AI App | Flutter MVP Development | Flutter App Store Deployment | Flutter Bug Fixing | Flutter App Redesign | Flutter App Maintenance

I am a React.js and Node.js developer specializing in building scalable web applications, SaaS platforms, REST APIs, microservices, and business applications. I help startups, founders, and growing businesses turn ideas into reliable, production-ready products using modern JavaScript technologies. I have 8+ years of development experience and work extensively with React.js, Node.js, Express.js, Next.js, PostgreSQL, MongoDB, Supabase, AWS, and third-party API integrations. My focus is on creating responsive interfaces, scalable backend systems, clean APIs, and well-structured applications that are built for long-term growth. • What I can build for you: - React.js web applications and responsive interfaces - Node.js and Express.js backend applications -REST API development and third-party API integrations - Microservices and scalable backend architecture -SaaS platforms and subscription-based applications - Admin dashboards and analytics platforms - Customer and vendor portals - E-commerce and marketplace applications - Authentication, authorization, and payment integrations - PostgreSQL, MongoDB, Supabase, and Firebase solutions - AWS deployment, Docker, and CI/CD setup I also have experience integrating AI features into web applications when required, including OpenAI APIs, AI assistants, automation workflows, and intelligent business tools. • Why clients work with me: - 8+ years of development experience - 100% Job Success and Top Rated on Upwork - Clean, maintainable, and scalable code - Strong API and backend development experience - Clear communication and regular progress updates - Full-time availability - End-to-end development from architecture to deployment I am a strong fit for SaaS products, business platforms, e-commerce applications, FinTech solutions, marketplaces, dashboards, and custom web applications requiring React.js, Node.js, APIs, and scalable backend architecture. Share your project requirements through Upwork, and I can help you define the right technical approach before development begins.

✅ Top Rated Freelancer ✅ 100% Job Success ✅ $9K+ Earned on Upwork ✅ 5-Star Client Reviews I build production-ready web apps, SaaS platforms, mobile apps, and AI-powered systems, not just prototypes that look good but fall apart later. From a new idea to an existing product that needs improvement, I help businesses turn requirements into fast, scalable, user-friendly solutions that are built for real-world use. 𝐇𝐞𝐫𝐞’𝐬 𝐰𝐡𝐚𝐭 𝐈 𝐜𝐚𝐧 𝐛𝐮𝐢𝐥𝐝: • Web & SaaS Apps: React, Next.js, TypeScript, dashboards, portals, marketplaces, and custom SaaS platforms. • Mobile Apps: Flutter and Kotlin for Android and cross-platform applications. • Backend & APIs: Node.js, Express.js, Firebase, REST APIs, authentication, databases, and third-party integrations. • AI Chatbots & AI Agents: OpenAI, Vapi, custom AI workflows, business assistants, and automation. • Document-Based AI: Chat with PDFs, knowledge systems, document processing, and AI-powered workflows. • E-commerce & Business Automation: Custom platforms, payment integrations, APIs, scraping, and workflow automation. • WordPress Websites: Professional, responsive, SEO-friendly websites designed to generate leads. ⭐ 𝐖𝐡𝐚𝐭 𝐦𝐲 𝐫𝐞𝐜𝐞𝐧𝐭 𝐜𝐥𝐢𝐞𝐧𝐭𝐬 𝐬𝐚𝐲: “Perfect understanding of the needs and on track with the deadlines. Highly Recommend.” 5.0 ⭐ | 𝐒𝐚𝐥𝐞𝐬 𝐏𝐫𝐨𝐬𝐩𝐞𝐜𝐭𝐢𝐧𝐠 𝐖𝐞𝐛 𝐀𝐩𝐩 “Their communication was excellent throughout the entire process… The finished product not only looks incredible but is also fast, mobile-friendly, and optimized to help generate more leads for my business.” 5.0 ⭐ | 𝐖𝐨𝐫𝐝𝐏𝐫𝐞𝐬𝐬 & 𝐒𝐄𝐎 𝐏𝐫𝐨𝐣𝐞𝐜𝐭 𝐌𝐲 𝐏𝐫𝐨𝐜𝐞𝐬𝐬: • Understand: Your goals, users, requirements, and business objectives. • Plan: Scope, architecture, timeline, and the right technology. • Build: Clean, scalable, maintainable development. • Test: Performance, responsiveness, usability, and reliability. • Deploy: Launch a stable product ready for real users. 𝐖𝐡𝐲 𝐜𝐥𝐢𝐞𝐧𝐭𝐬 𝐜𝐡𝐨𝐨𝐬𝐞 𝐦𝐞: • Strong understanding of business requirements • Reliable communication and consistent updates • On-time delivery and attention to detail • Scalable and maintainable architecture • Practical recommendations when there’s a better/faster approach • Focus on business outcomes, not just writing code 𝐇𝐚𝐯𝐞 𝐚 𝐩𝐫𝐨𝐣𝐞𝐜𝐭 𝐢𝐧 𝐦𝐢𝐧𝐝? Send me your requirements or even a rough idea. I can help you scope it, choose the right approach, identify improvements, and plan the path to launch. 𝙇𝙚𝙩’𝙨 𝙙𝙞𝙨𝙘𝙪𝙨𝙨 𝙮𝙤𝙪𝙧 𝙥𝙧𝙤𝙟𝙚𝙘𝙩 & 𝙢𝙖𝙠𝙚 𝙖 𝙙𝙞𝙛𝙛𝙚𝙧𝙚𝙣𝙘𝙚

​🏆 Top Rated | Senior Mobile App Architect (Android, iOS, Flutter, React Native) ​Looking to build a scalable B2B/B2C MVP or take your existing mobile application to the next level? Let’s make it happen. ​With over 10 years of hands-on mobile development experience and a 100% success track record across 1,400+ hours on Upwork, I bridge the gap between complex business logic and exceptional user experiences. ​Whether you need a rock-solid Native Android/iOS solution or a high-performance cross-platform app using Flutter or React Native, I deliver clean, maintainable code that saves you time and technical debt. ​🚀 Core Expertise & Solutions ​I specialize in transforming complex requirements into seamless digital products, including: ​AI & Next-Gen Innovation: ChatGPT integrations, smart chatbots, and AI-driven workflows. ​Hardware & Utilities: QR/Barcode scanner systems (camera & dedicated hardware), encrypted databases, offline data synchronization, and custom camera apps. ​Location & Engagement: Real-time map tracking, ride-sharing systems, asset tracking, and instant push notification systems. ​Business Automation: Form-to-app conversions (MS Word/Excel/PDF), employee time-tracking, and task management ecosystems. ​Lifestyle & Media: Media sharing, advanced health/exercise tracking, secure messaging, and e-commerce. ​🛠️ Technical Stack ​Languages & Frameworks: Kotlin, Swift, SwiftUI, UIKit, Dart (Flutter), JavaScript/TypeScript (React Native), Java, Objective-C. ​Architecture & State Management: Dagger Hilt, Provider, Bloc, Redux, Clean Architecture. ​Backend & Databases: Node.js, PHP, Firebase (Firestore & Realtime Database), SQLite, Realm, MySQL, AWS, Azure. ​Integrations: 3rd Party SDKs, RESTful APIs, Twilio, Mapbox, MapKit, Payment Gateways, In-App Purchases. ​Testing & DevOps: Unit Testing, Regression Testing, App Store / TestFlight deployment, Google Analytics. ​🎯 Why Partner With Me? ​"Your time and budget are the most valuable commodities in today's market." ​MVP Specialist: I know exactly what it takes to scope, build, and launch a Minimum Viable Product quickly without sacrificing underlying code quality. ​End-to-End Ownership: From initial UI/UX alignment and API development to final App Store/Google Play deployment, I manage the full lifecycle. ​Transparent Communication: You will always know the project status, blockers, and milestones. No guesswork. ​Let’s bring your app vision to life efficiently and effectively. Click the "Invite to Job" or "Message" button below, and let's discuss your project requirements! 🔑KEYWORDS: Mobile App Development, UI/UX Design, API, Apple Xcode, HealthKit, E-commerce App Development, Swift, Firebase Cloud Firestore, User authentication, 3rd Party SDK Integration, Ride Booking App Development, Location, API Development, Kotlin, Custom App, RESTful API, Phone, Node.js, React Native, Dart, Google Analytics, Objective-C, MySQL, AWS, App Development, SwiftUI, Twilio API, Amazon Web Services, User profile creation, Push notifications, Realm Database, Mapbox, Back-End Development, API Integration, Chat GPT, React Native Cross-Platform App Development, Prototype, SQLite, Firebase Realtime Database, Unit Testing, Payment Gateway Integration, PHP, In-app purchases, Native iOS App Development, Regression Testing, Native Android App Development, Android Studio, UIKit, Azure, Java, MapKit, AI, Front-End Development.