Senior ASP.NET Core Developer | Custom CRM, ERP & SaaS Development | Azure | Blazor I'm Muhammad Bilal, a Senior ASP.NET Core Developer with 7+ years of experience building custom CRM systems, ERP software, SaaS platforms, REST APIs, and enterprise web applications using C#, ASP.NET Core, Blazor, SQL Server, and Microsoft Azure. I help startups, growing businesses, and enterprises transform manual processes into scalable software solutions that improve efficiency, automate workflows, and support business growth. Whether you need a custom CRM, ERP system, SaaS platform, customer portal, admin dashboard, or secure Web API, I can help you design, develop, deploy, and maintain a production-ready solution. Recent Project I developed a complete CRM platform for the coworking industry that manages: ✔ Lead Management ✔ Member Management ✔ Desk & Meeting Room Booking ✔ Invoicing & Payments ✔ Support Tickets ✔ Multi-Location Operations ✔ Role-Based Access Control ✔ Reporting & Analytics Core Expertise ✔ ASP.NET Core Development ✔ Custom CRM Development ✔ ERP Development ✔ SaaS Application Development ✔ C# Development ✔ REST API Development ✔ Blazor Server & Blazor WebAssembly ✔ ASP.NET MVC ✔ Razor Pages ✔ Microservices Architecture ✔ Clean Architecture ✔ Domain-Driven Design (DDD) Database & Backend ✔ SQL Server ✔ Entity Framework Core ✔ LINQ ✔ Database Design ✔ Query Optimization ✔ Stored Procedures ✔ Data Migration Security & Authentication ✔ JWT Authentication ✔ ASP.NET Core Identity ✔ OAuth & External Authentication ✔ Role-Based Authorization ✔ API Security Best Practices Real-Time Applications ✔ SignalR ✔ Live Chat Systems ✔ Notifications ✔ Real-Time Dashboards ☁️ Azure & DevOps ✔ Microsoft Azure ✔ Azure App Services ✔ Azure SQL Database ✔ Azure Storage ✔ CI/CD Pipelines ✔ Azure DevOps ✔ Docker Containerization Front-End Development ✔ Blazor ✔ Angular ✔ Bootstrap ✔ Responsive UI Development ✔ Admin Dashboards Quality & Performance ✔ Unit Testing ✔ xUnit ✔ NUnit ✔ Moq ✔ Performance Optimization ✔ Code Reviews ✔ Scalable Architecture Why Clients Hire Me ✅ Strong focus on business requirements, not just code ✅ Experience building industry-specific CRM and ERP systems ✅ Clean, maintainable, and scalable code ✅ Excellent communication and project transparency ✅ Reliable delivery and long-term support ✅ Production-ready software built for growth If you're looking for an ASP.NET Core Developer, Blazor Developer, C# Developer, Azure Developer, or someone to build a custom CRM, ERP, or SaaS platform, let's discuss your project. Muhammad Bilal Senior ASP.NET Core Developer Custom CRM, ERP & SaaS Solutions

If you're building a connected IOT product and need someone who can own the full stack - from device firmware to cloud infrastructure, I can help. Over the past 6+ years, I’ve designed and shipped IoT systems running on 50,000+ deployed devices across energy, surveillance, and industrial sectors. What I Build • Embedded firmware for microcontrollers and embedded Linux devices • Edge AI and ML inference on Jetson platforms • Device communication and networking • Cloud infrastructure and telemetry pipelines • Real-time monitoring dashboards and analytics Systems I’ve Delivered • DLMS firmware for smart energy meters deployed on 50,000+ devices • Peak shaving control firmware for 2,000+ solar inverters • Firmware and system software for 2,500+ Jetson Nano surveillance systems connected to 8,000+ cameras Technologies I Work With Embedded C/C++, Embedded Linux, FreeRTOS Backend & Cloud Golang, Python, Django, Node.js, AWS IoT, MQTT Edge AI Jetson platforms, ML inference, video analytics Communication Protocols DLMS, CAN, SPI, I2C, UART, ZigBee, LoRaWAN, WiFi, Bluetooth Applications Flutter, web dashboards PCB Design Altium, KiCad, Eagle CAD If you have a hardware product to ship or a device system that needs to scale to thousands of devices, send me a message with what you’re building.

🥇 Technical Lead at ServReality — Ranked Top 10 in AR/VR globally by Clutch! 🚀 With 15+ years in iOS, Android, and gaming, I bring full-cycle mobile and game development experience as a 💎 Mobile Solution Architect. 🎮 Senior Unity & Unreal AR/VR Developer with 12 years in immersive game creation — this isn’t just work, it’s passion. 🎯 I specialize in crafting AR/VR-powered games and mobile apps using Unity, Unreal, and Lumberyard to build immersive, interactive experiences. Here’s what I bring to the table: ✅ Mobile App Dev: iOS (Objective-C, Swift, Xcode), Android (Java, Gradle, Android Studio) ✅ AR: ARKit, ARCore, Vuforia, Wikitude, HoloLens, Meta 2, AR.js, Moverio ✅ VR: SteamVR, Oculus, Cardboard, Windows MR, Optitrack, Dexmo ✅ Game Engines: Unity3D, Unreal Engine, Lumberyard ✅ Art: Modeling, Texturing, Visualization ✅ Core Features: Group chat, voice/video calls, file sharing, real-time messaging, backend implementation ✅ AI & ML integration ✅ UI/UX design & testing for cross-platform apps In AR/VR, I work with tools like ARKit, ARCore, SteamVR, Oculus, and HoloLens to deliver engaging environments with features like gesture control, spatial mapping, haptics, and real-time rendering. My goal is to combine technical depth with creative precision — transforming visions into standout digital experiences. #AR #VR #MR #XR #GameDevelopment #MobileDevelopment #MobileApps #iOS #Android #Unity #Unreal #Lumberyard #ARKit #ARCore #Vuforia #Wikitude #HoloLens #Meta2 #Moverio #ARJS #SteamVR #Oculus #Cardboard #WindowsMixedReality #Optitrack #Dexmo #3DModeling #GameArt #Texturing #Visualization #RealtimeMessaging #VoiceChat #VideoCalling #FileSharing #AI #ArtificialIntelligence #MachineLearning #UIUX #BackendDev #GestureRecognition #SpatialComputing #CrossPlatform #MultiplayerVR #RoomScaleVR #ARGames #VRGames #InteractiveGameplay #ImmersiveExperiences #RealTimeRendering #GamePhysics #HapticFeedback #3DUX #VRUI #ARUI #VirtualStorytelling #AugmentedReality #VirtualReality #HeadMountedDisplays #SpatialMapping ⚡️ Updated portfolio on June 24, 2026

AI Engineer | Robotics & Intelligent Systems Specialist | Full-Stack Innovator I hold a B.Sc. in Artificial Intelligence (Robotics & Intelligent Systems major) with consistent placement on the Dean’s List (GPA 3.6/4.0). My expertise combines deep AI knowledge with practical implementation in robotics, intelligent systems, and scalable software. Core Competencies: • AI/ML: Machine Learning, Deep Learning, NLP, Reinforcement Learning, Computer Vision • Programming: Python, C/C++, SQL, Dart • Frameworks & Tools: TensorFlow, PyTorch, ROS/ROS2, LangChain, FastAPI, Docker, AWS, GCP • Specialization: AI system design, RAG chatbots, robotics automation, smart home systems Key Projects: • Graduation Project (B.E.M.O.) – Developed an intelligent desk assistant robot using Python, LangChain, Gemini LLM, OpenCV, and FastAPI. • Quadruped Robot “Doggy” – Implemented reinforcement learning for autonomous navigation and adaptation. • RAG-based AI Chatbots – Built multimodal and company-specific retrieval-augmented generation systems using PostgreSQL, Faiss, and LangChain. • ICPC/ACPC SysOps Team – Deployed NLP models on cloud infrastructure to optimize contest management and real-time data processing. Recognition: • National scholarship recipient in Generative AI (DEPI, MCIT). • AI Engineer Intern at eSpace, developing production-ready RAG chatbots. I excel at bridging research and production—delivering AI solutions that are innovative, efficient, and scalable.

Full-stack C# .NET developer specializing in Unity game development and cross-platform applications. I can deliver: - Custom Unity games and interactive applications using C#, SOLID principles, and design patterns - Backend systems with .NET Core, REST APIs, and SQL databases - Performance-optimized code with clean architecture and efficient algorithms - Real-time multiplayer functionality and networking solutions - UI/UX implementation with Unity UI system and custom shaders Technical expertise: - C#, .NET Core, Unity3D - Git, CI/CD, Azure DevOps - REST APIs, SQL, MongoDB - Unity Physics, Animation, UI - Cross-platform development (Windows, Android, iOS) Available for part-time collaboration (10-15 hours per week). Committed to: - Clean, maintainable, and well-documented code - Meeting deadlines and regular project updates - Fast response time and professional communication - Continuous learning and staying updated with latest technologies

We Build Next Generation of Mobile Applications Senior Mobile Lead Engineer | 9+ years of experience | High-quality Mobile and Web Apps | Claude Code 📊 My Core expertise is the Apple ecosystem, delivering robust solutions across iOS (Swift, SwiftUI), iPadOS, watchOS, and macOS. I work extensively with Swift, SwiftUI, UIKit, Combine, Objective-C, and advanced Apple frameworks such as HealthKit, MapKit, and complex third-party integrations. Beyond development, I provide end-to-end product delivery — from idea validation to App Store release. By combining Business Analysis, UI/UX Design, Agile Development, and Quality Assurance, we build future-proof applications that minimize technical debt and reduce long-term maintenance costs. ⸻ Services I can provide: 📱 Native Mobile Development (iOS & Android) • iOS Development: Swift, SwiftUI, UIKit, Combine, Objective-C • Android Development: Kotlin, Java • Cross-platform: React Native, Flutter • Apple Watch apps, smartwatch apps • Health & fitness apps, Apple Health, HealthKit • Maps & navigation (MapKit, Google Maps, Mapbox) • Real-time features, sockets, charts & analytics 🌐 Web Development • React, Angular, Next.js • TypeScript, JavaScript • High-performance front-end and responsive UI development 🛠 Backend & DevOps • Node.js, Python, Go, PHP • API development & third-party integrations • Cloud deployment: AWS, Docker, VPS 🎨 UI/UX Design & Product Thinking • Figma, wireframes, prototypes, user flows • Product discovery and idea validation before development 📊 Management & QA • Agile project management • Manual & automated testing • Business analysis & product ownership support ⸻ Fintech Expertise • Crypto applications (BTC, ETH, USDT, TRC20) • Real-time exchange data & socket connections • Charts, analytics, and on-chain operations • Secure authentication & sensitive data handling ⸻ Why Clients Choose Us ✔️ iOS-first team with deep expertise as Swift Mobile Developers ✔️ Reliable long-term partner for scalable product development ✔️ Strong focus on performance, usability, and clean architecture ✔️ Transparent communication and Agile processes ✔️ Full-cycle delivery: design → development → QA → release → support ⸻ Looking for a long-term Swift Mobile Developer instead of a one-off coder? If you need a stable, scalable, and carefully crafted mobile product built with modern iOS technologies, let’s discuss your goals. I can provide a clear project plan, timeline, budget estimate, and technical strategy tailored to your vision. ⸻ 🔑 Technologies & Keywords (SEO Optimized) Swift Mobile Developer, Senior Swift Developer, iOS Developer, SwiftUI, UIKit, Combine, Objective-C, Apple Developer, iPhone App Development, iPad App, macOS App, watchOS App, HealthKit, Apple Health, MapKit, Google Maps, Mapbox, Kotlin, Android Developer, React Native, Flutter, TypeScript, JavaScript, Figma, UI/UX Design, MVP Development, High-Quality App Development, Mobile Architecture, Performance Optimization, Scalable Mobile Apps, Crypto Wallet App, Bitcoin, USDT, tokens, Quality, high-quality app ⸻ 📩 Send me a message, and I’ll share my Upwork scheduler link so we can find a time that works best for you

As a Full Stack Developer, I specialize in building scalable, high-performance applications that transform complex requirements into reliable, production-ready solutions. My focus is on delivering end-to-end systems that enhance user experience, improve efficiency, and support long-term business growth. I work across web, mobile and desktop application development, including e-commerce platforms, enterprise systems, and custom software solutions. I handle both frontend and backend architecture, ensuring clean system design, strong performance, and seamless integrations. My core expertise includes C++, Python, Java, and JavaScript, along with modern frameworks such as React, Node.js, Spring Boot, and ASP.NET. I design and build robust APIs, manage relational and NoSQL databases (SQL, MongoDB), and deploy scalable systems on local Hardware or using cloud platforms like AWS and Azure. I also specialize in AI integration, including LLM-based applications, Retrieval-Augmented Generation (RAG) systems, and intelligent automation solutions that enhance product capabilities and user interaction. I enjoy solving complex technical challenges—whether it’s optimizing system performance, building AI-powered features, or designing scalable architectures. My goal is always to deliver clean, efficient, and maintainable solutions that create real impact.

Hello. My name is Alex. I am a Full Stack developer with total experience of more than 10 years. My strong points are Punctuality and Result Orientation. My goals are always to meet the needs of my client and his/her deadlines. When I am working on new projects, I like to keep clear communication with my clients, as I believe this is a key to successful accomplishment of my work. In 2010 I began to develop web application. Also I have experience in development of desktop and mobile applications using C#. Besides, I have about 2 years of experience in development in android and java. Here is my technology stack: - C# - ASP.NET MVC - PHP/Laravel - SQL - MS SQL - HTML 5 - CSS 3 - Javascript/jQuery - Angular.js, Node.js, Ember.js, Vue.js - Win32 - Xamarin, UWP, WPF - React Thanks for your time and attention to my candidacy. Looking forward to hear from you.

I help hardware startups and product teams build production-ready embedded systems across firmware, embedded Linux, IOT and edge AI. Top Rated Plus | 100% Job Success | 19,000+ Upwork hours | 78 Jobs Completed My strongest work is turning prototypes into stable, testable, production-ready systems: MCU firmware, hardware bring-up, connectivity, embedded Linux gateways, MQTT/AWS IoT telemetry, camera pipelines, and edge-AI inference. EMBEDDED FIRMWARE • ESP32 / ESP-IDF firmware for Wi-Fi, BLE, sensors, MQTT, OTA, and cloud-connected devices • STM32 firmware with FreeRTOS, drivers, UART/SPI/I2C/CAN, bootloaders, and hardware bring-up • Nordic nRF52840 / nRF9160 / nRF5340 firmware using Zephyr RTOS, BLE GATT, low-power design, and FOTA • Sensor integration, power optimization, debugging, testing, documentation, and source-code handover • Services include ESP32 / ESP-IDF firmware, STM32 firmware, Nordic nRF52/nRF9160, Zephyr RTOS, FreeRTOS, BLE GATT, Wi-Fi, LTE-M, NB-IoT, LoRa, UART/SPI/I2C/CAN, bootloaders, OTA/FOTA, low-power firmware, sensor integration, and hardware bring-up. EMBEDDED LINUX • Yocto / Buildroot Linux images, BSP customization, device tree, kernel configuration, and system services • Raspberry Pi CM4, i.MX6/i.MX8, Linux gateways, modem/networking, MQTT bridges, and production device setup • Linux driver-level debugging, boot issues, hardware interfaces, camera pipelines, and field reliability improvements • Services include Embedded Linux, Yocto, Buildroot, BSP customization, device tree, kernel configuration, Linux device drivers, Raspberry Pi CM4, i.MX6/i.MX8, system services, modem/networking, MQTT gateways, and production device setup. EDGE AI / CAMERA SYSTEMS • OpenCV, YOLO, OCR/ALPR, RTSP streams, object detection, visual inspection, and safety scoring systems • Embedded Linux camera pipelines, edge inference, model integration, performance optimization, and cloud-connected AI workflows • Services include Edge AI, computer vision, OpenCV, YOLO, RTSP camera streams, OCR/ALPR, visual inspection, object detection, driver safety scoring, crack/pothole detection, embedded inference, Jetson, Raspberry Pi, and Coral TPU. BEST-FIT PROJECTS • ESP32 / STM32 / Nordic nRF firmware • BLE wearable and low-power sensor devices • Zephyr RTOS / FreeRTOS systems • IoT devices with MQTT, AWS IoT, OTA, and telemetry • Embedded Linux gateways and Yocto/Buildroot systems • Camera-based edge-AI and computer vision systems If you need someone who can own the embedded system layer — not just patch code — I can help turn your prototype into a reliable product.

✅ 20+ Five Star Reviews ✅ 23+ Years Professional Software Development Experience ✅ Expert in AI Agents, Agentic AI Systems & AI Coding Harnesses ✅ Expert in Desktop, Cloud, Mobile & Game Development ✅ Extensive Experience Leading and Managing Development Teams ✅ 200+ Mobile Games & Apps Published on iOS and Android I have been programming professionally since 1999 and have developed hundreds of applications, games, backend systems, cloud platforms, and distributed solutions across desktop, mobile, web, multiplayer networking, and AI-powered systems. Recently, I have been heavily focused on AI development including: * Agentic AI systems and autonomous workflows * AI coding agents and development harnesses * LLM integrations and API orchestration * Multi-agent architectures and tool pipelines * AI-assisted automation and productivity systems * OpenAI, Anthropic, Gemini and local model integrations * MCP servers, AI tooling infrastructure and cloud deployment I have hands-on expertise in: PL/SQL, C, C++, C#, Java, Objective-C, Swift, JavaScript, PHP, Node.js and Python. I have built: * Desktop applications for Windows and Mac * Large-scale backend and cloud systems * Multiplayer and networked applications * Mobile apps for iOS and Android * AI-powered applications and automation systems * Games using Unity, Unreal Engine and Godot * Distributed cloud-native systems on AWS, Azure and Google Cloud Key Technologies & Experience: • Java SE/EE/ME, Swing, JavaFX, JSP/Servlets, TCP/IP networking, media streaming • C#/.NET, WinForms, WPF, UWP, WCF, sockets, enterprise desktop systems • Oracle, PL/SQL, MS SQL Server, PostgreSQL, SQLite and database-centric systems • C/C++/Objective-C for Windows, macOS and iOS native development • iOS development since the first iPhone SDK release in 2008 • Android development since the earliest Android SDK releases • Unity3D, Unreal Engine, Cocos2D and multiplayer game systems • AWS, Azure and Google Cloud scalable deployments and APIs • AI APIs, speech/image processing, automation and cloud infrastructure I have extensive experience publishing and managing applications on the Apple App Store and Google Play, including 200+ published apps and games for clients worldwide. With deep technical expertise across modern AI systems and decades of real-world software engineering experience, I can reliably deliver both small and large-scale projects successfully.