With over 18 years of experience, I am a seasoned professional in embedded and IoT product development. My expertise spans sensor-based solutions, audio algorithm development, and cloud-based SaaS solutions using AWS, GCP, and Azure. I also have extensive experience with mobile applications, including BLE apps / hardware integration over BLE developed with Flutter, ReactNative, SwiftUI, Kotlin (native development ) too. I began my career as an Audio DSP firmware engineer, specializing in digital signal processing algorithms and filter design for multichannel audio decoders and encoders, building and optimizing them for multiple DSP chipsets. This foundation led me to technical leadership roles within offshore development centers and eventually into leading product development in IoT startups. Of late, I've focused on developing analytical solutions in the smart home, Industry 4.0, and health tech sectors using nRF52, STM32 and ESP32. My key contributions include solution architecting and algorithm design for these cutting-edge applications, including BLE-powered medical device solutions. I am a process-oriented professional with deep knowledge in audio compression, data encoding, DSP Filters and post-processing algorithms. My core technical skills include: - Proficiency in C, C++, Python and Assembly programming for optimizing algorithms on resource-constrained embedded platforms. I'm also well-versed in golang and node.js. - Designing and building cloud-based analytical IoT solutions for enterprise energy management, leveraging multiple services across AWS ( including AWS IoT Core, AWS Greengrass ), GCP, and IBM Cloud. - Extensive knowledge of the BLE stack, having developed mobile applications for diverse IoT solutions and BLE-based medical devices. - Hands on experience with all BLE profiles - LE Coded PHY, 1M, indoor positioning using Beacons, AoA etc. - Experience with MQTT-based solutions, including hardware - firmware integration, integration of the solution with custom cloud platforms and GCP / AWS IoT Core. - Experience building multiple medtech / healthcare solutions - involving hardware / firmware / mobile application integrated over Bluetooth ( BLE ) and cloud applications adhering to HIPAA. Also worked with FDA / 510(k) compliance processes. - Proficiency in LoRa technology, having built embedded applications for IoT solutions primarily using LoRa EU and US frequencies. My background in developing regulated medical devices and health tech solutions makes me the ideal candidate for your project. I have extensive experience architecting and implementing secure, HIPAA-compliant solutions that integrate hardware, firmware, and mobile applications over BLE. I've successfully navigated the complexities of FDA and 510(k) compliance processes, ensuring not only technical excellence but also regulatory adherence. My skills include developing robust BLE-based medical device solutions, building analytical cloud platforms, and optimizing firmware for performance and reliability. I can offer both the deep technical skills and the critical regulatory knowledge required to bring your innovative medical product to market safely and effectively. As a specialist in wireless communication protocols for IoT, I can provide the targeted expertise you need for your project. My extensive hands-on experience with the entire BLE stack—including AoA, LE Coded PHY, and indoor positioning with Beacons—allows me to tackle even the most complex integration challenges. I've developed numerous mobile applications that seamlessly integrate with BLE hardware, ensuring a smooth and reliable user experience. I am also highly proficient in LoRa technology, having built complete embedded applications for EU and US frequencies. Whether you need to optimize a high-performance BLE application or build a long-range LoRa network, I have the in-depth knowledge to deliver a top-tier solution. As you can see, I have over a decade of experience in leadership roles, having led cross-functional offshore teams, including managing groups of 20 or more engineers and QA professionals. I'm eager to take up the next Upwork project and contribute my skills / experience to a highly competitive team.

Cloud & AI Solutions Developer | Microsoft, Oracle, OpenAI, AWS, Azure | DevOps | Windows • iOS • Android I am Sajjad Alam, a Chief Software Architect and Full Stack AI Developer with over 20 years of proven experience designing, developing, and deploying AI-driven, enterprise-grade, and cloud-native applications. With six Microsoft Certifications and a B.S. (Honors) in Computer Science, I combine deep system architecture expertise with modern AI and DevOps practices, enabling businesses to scale efficiently and intelligently. 💡 Core Expertise 🤖 Artificial Intelligence & Machine Learning OpenAI GPT-4/5 | LangChain | TensorFlow | PyTorch | Hugging Face | Whisper | OpenCV | Stable Diffusion | ONNX Runtime | MLOps | Computer Vision | NLP | Predictive Analytics 💻 Full Stack & Application Development C++ | Win32 | .NET 8/10 | ASP.NET Core | Python | React | Angular | Node.js | Qt | MAUI | Flutter | WPF | UWP | WinForms ☁️ Cloud & DevOps Engineering Azure (AI Studio, ML Studio, Cognitive Services) | AWS (SageMaker, Lambda, EC2, S3) | Google Cloud | Docker | Kubernetes | Terraform | Ansible | CI/CD | GitHub | Azure DevOps 🧩 Enterprise Systems Dynamics 365 | SAP | NetSuite | Office 365 | Microsoft 365 | SharePoint | CRM Integrations | ERP Systems 💾 Databases SQL Server 2022 | MySQL | PostgreSQL | MongoDB | Azure SQL | Oracle 🧠 Why Clients Choose Me ✔️ 20+ years of enterprise and software architecture experience ✔️ Deep expertise in AI, ML, and intelligent automation ✔️ Proven record across AWS, Azure, and GCP environments ✔️ Microsoft Certified with global project delivery experience ✔️ Commitment to quality, communication, and client satisfaction 📢 Let’s Collaborate I would be thrilled to explore how I can help you deliver your AI, cloud, or full-stack vision successfully. Let us not let this opportunity slip away — please drop me a message today, and I will be happy to join a quick call to discuss how we can make it happen. Core Skills (for Upwork search) AI Development Machine Learning Cloud Architecture C++ .NET Python React Azure AWS Google Cloud Node.js DevOps MLOps OpenAI GPT LangChain TensorFlow PyTorch Qt Dynamics 365 SAP Enterprise Software Development Microservices CI/CD Pipelines Docker Kubernetes Certifications Microsoft Certified Solution Developer (MCSD) MCP 070-100: Analyzing Requirements and Defining Solution Architecture MCP 070-029: Designing and Implementing Database with Microsoft SQL Server MCP 070-175: Designing and Implementing Distributed Applications MCP 070-176: Desktop Application Development with Microsoft Visual Basic

𝗪𝗵𝗲𝘁𝗵𝗲𝗿 𝘆𝗼𝘂 𝗻𝗲𝗲𝗱 𝗮 𝗵𝘆𝗽𝗲𝗿-𝗰𝗮𝘀𝘂𝗮𝗹 𝗺𝗼𝗯𝗶𝗹𝗲 𝗴𝗮𝗺𝗲, 𝗮𝗻 𝗼𝗽𝗲𝗻-𝘄𝗼𝗿𝗹𝗱 𝗣𝗖 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲, 𝗮 𝗺𝘂𝗹𝘁𝗶𝗽𝗹𝗮𝘆𝗲𝗿 𝗯𝗮𝘁𝘁𝗹𝗲 𝗿𝗼𝘆𝗮𝗹𝗲 𝗼𝗿 𝗮 𝗯𝗹𝗼𝗰𝗸𝗰𝗵𝗮𝗶𝗻 𝗣𝟮𝗘 𝘄𝗼𝗿𝗹𝗱, 𝗜'𝘃𝗲 𝗯𝘂𝗶𝗹𝘁 𝗶𝘁. 7+ years, 100+ projects delivered across mobile, PC, WebGL, AR/VR, console and blockchain. I work with indie founders, funded studios and international publishers, taking projects from raw concept to polished, launched product. No handholding needed. Just send me your idea and I'll handle the rest. 𝗜𝗻𝘃𝗶𝘁𝗲 𝗺𝗲 𝘁𝗼 𝘆𝗼𝘂𝗿 𝗷𝗼𝗯 𝗳𝗼𝗿 𝗮 𝗙𝗥𝗘𝗘 𝗰𝗼𝗻𝘀𝘂𝗹𝘁𝗮𝘁𝗶𝗼𝗻 𝗮𝗻𝗱 𝗽𝗹𝗮𝘆𝗮𝗯𝗹𝗲 𝗱𝗲𝗺𝗼 𝗼𝗳𝗳𝗲𝗿. 𝙃𝙤𝙬 𝙄 𝘾𝙖𝙣 𝙃𝙚𝙡𝙥 𝙔𝙤𝙪: 1️⃣ Mobile Game Development iOS and Android games, hyper-casual, simulation, RPG and AR from prototype to Play Store and App Store launches. 2️⃣ PC & Console Game Development Unity and Unreal Engine 5 games for Windows, Mac, Linux, Steam and console, built to ship and built to scale. 3️⃣ WebGL & Instant Play Optimized browser games for Poki, CrazyGames, and Facebook Gaming; fast, smooth, and ad-ready. 4️⃣ Multiplayer & Networking Real-time PvP, co-op, and battle royale using Photon Fusion, PUN2, Mirror and Unity Netcode; dedicated servers are included. 5️⃣ AR/VR & Metaverse Meta Quest, ARKit, ARCore, Vuforia, immersive spatial experiences, digital twins and industrial simulations. 6️⃣ Blockchain & Web3 Games NFT integration, P2E mechanics, token economies, wallet connection, future-ready game infrastructure built right. 7️⃣ Optimization & Bug Fixing Frame drops, memory leaks, multiplayer sync issues, legacy code disasters, I fix them fast. 𝗚𝗮𝗺𝗲 𝗚𝗲𝗻𝗿𝗲𝘀: ✅ Action & FPS/TPS: weapons, recoil, physics-based combat ✅ Open-World & RPG: world streaming, mission systems, crafting ✅ Battle Royale & Multiplayer: real-time PvP, dedicated servers ✅ Hyper-Casual & Casual: fast loops, swipe controls, ad monetization ✅ Simulation & Tycoon: resource systems, AI workers, offline progression ✅ Racing Games: vehicle physics, drifting, competitive AI ✅ Puzzle & Strategy: grid logic, match-3, turn-based AI ✅ AR/VR & Metaverse: spatial UI, avatar systems, digital twins ✅ Blockchain & P2E: NFT integration, token economies, smart contracts ✅ Sandbox & MMO: player economies, building systems, persistent worlds 𝗞𝗲𝘆 𝗔𝗰𝗵𝗶𝗲𝘃𝗲𝗺𝗲𝗻𝘁𝘀: ✅ 100+ games shipped across Mobile, PC, WebGL and Console ✅ Metaverse and digital twin simulations for enterprise clients ✅ Multiplayer games with real-time networking across 4+ platforms ✅ Blockchain/P2E games with full NFT and token economy integration ✅ AR/VR experiences for Meta Quest, ARKit, ARCore and SteamVR 𝗧𝗲𝗰𝗵 𝗦𝘁𝗮𝗰𝗸: ✅ Unity (URP, HDRP, Shader Graph, DOTS, Addressables) ✅ Unreal Engine 5 (Blueprints, C++, Nanite, Lumen, MetaHuman) ✅ C# | C++ | Cross-Platform Development ✅ Photon Fusion | PUN2 | Mirror | Unity Netcode ✅ PlayFab | Firebase | AWS GameLift ✅ AdMob | Unity Ads | IronSource | Applovin | IAP Systems ✅ Meta Quest | SteamVR | ARKit | ARCore | Vuforia | OpenXR ✅ NFT | Web3 | P2E | Metaverse | Digital Twin ✅ Blender | Maya | Photoshop | Figma | Substance Painter ✅ Steam | Google Play | App Store | Epic Games Store ✅ Git | Trello | Asana | Firebase Analytics | GameAnalytics 𝗦𝗲𝗮𝗿𝗰𝗵 𝗧𝗲𝗿𝗺𝘀: Unity Developer, Unreal Engine Developer, Senior Game Developer, Mobile Game Developer, PC Game Developer, WebGL Developer, Console Game Developer, Multiplayer Game Developer, AR/VR Developer, Blockchain Game Developer, NFT Game Developer, P2E Developer, Metaverse Developer, Hyper-Casual Game Developer, Game Designer, Level Designer, Unity C# Developer, Unreal Engine 5 Developer, Game Optimization, Web3 Game Developer

💻 Back-End Development ⚡️ Full Stack Development ⚡️ Desktop Software Development 📜 .NET and C#: 🔹 ASP.NET Core 🔹 Entity Framework Core 🔹 FluentValidation 🔹 MediatR 🔹 Automapper 🔹 FastExpressions 🔹 Serilog 🔹 SignalR 🔹 Identity Framework Core 🔹 BenchmarkDotNet 🔹 xUnit, nUnit, FluentAssertions, NSubstitude, Bogus 🔹 Polly 📜 Databases: 🔹 MS SQL 🔹 MySQL 🔹 Postgres 🔹 MongoDB 📜 Architecture: 🔹 DDD 🔹 Event Driven Design 🔹 Clear Architecture 💻 Front-End Development ⚡️ Mobile App Development ⚡️ Full Stack Development 🚀 Expertise in: 📱 React & React Native (Expo): Building dynamic web and mobile applications 🌐 Modern Frontend Frameworks: Proficient in React, Angular 2+, Vue.js, and Next.js for responsive, scalable web development 🔧 Backend Knowledge: Familiar with PHP (Laravel, Slim, Lumen) and Node.js for basic backend integration 🛒 CMS & E-Commerce: Expertise in WordPress, WooCommerce, Plentymarkets, Magento theme/plugin development, and custom integrations ✨ Clean, Efficient Code: Passionate about writing maintainable and scalable solutions for a smooth user experience 🔗 API Integration: Skilled in SOAP/RESTful API development and integration for seamless client connectivity 💪🏻The following stack that successfully used: 🔹SCSS 🔹CSS 🔹HTML 🔹TypeScript 🔹RXJS 🔹NGRX 🔹NextJS 🔹ReactJS 🔹REDUX 🔹SAGA 🔹Promises 🔹Server Side Rendering based on NextJS 🔹NestJS 🔹MySQL 🔹ExpressJS 🧠 AI: 🔹 Machine Learning 🔹 Large Language Models (LLM) 🔹 Prompt Engineering 🔹 LangChain 🔹 OpenAI 🔹 Anthropic 🔹 Google GenAI 🔹 FAISS 🔹 Retrieval Augmented Generation (RAG) 𝙎𝙚𝙖𝙧𝙘𝙝 𝙛𝙤𝙧 𝙢𝙚 𝙪𝙨𝙞𝙣𝙜 𝙩𝙝𝙚𝙨𝙚 𝙠𝙚𝙮𝙬𝙤𝙧𝙙𝙨: C#, ASP.NET Core, .NET Framework, Entity Framework, SQL Server, PostgreSQL, MySQL, REST APIs, JSON, XML, GraphQL, Razor, Blazor, Php, Python, Angular, React, Vue.js, JavaScript, TypeScript, HTML5, CSS3, SCSS, Bootstrap, Tailwind, Azure (App Services, Functions, DevOps, Blob Storage), AWS, Docker, Kubernetes, Microservices, CI/CD, Git, GitHub, GitLab, TDD, xUnit, NUnit, Dapper, Swagger, OAuth, JWT, WebSockets, RabbitMQ, Redis, SignalR, Sitecore, Umbraco, Kentico, DNN, Orchard Core, Contentful, Strapi, ADO.NET, ASP.NET MVC, AngularJS, AJAX, Adobe Photoshop, ASP.NET Web API, Google Analytics, Google Chrome Extension, Ecommerce Website, Browser Extension, Web Application, Website Redesign, API, API Integration, Desktop Application, Website Optimization, Software Debugging, Web Development, Database Development, AI Agent Development, WildFly, Apache HTTP Server, Eclipse Jetty, Microsoft IIS, IBM WebSphere, SQLite, Mimer SQL, Azure Cosmos DB, MongoDB, EC2, ECS, Lambda, S3, RDS, CloudFormation, AWS Backup, IAM, CloudFront, CloudWatch

Hi, I’m Hashir Full-Stack Game & Mobile App Developer | Unity, Unreal Engine, Android & iOS | AR/VR Specialist With 7+ years of experience crafting games, mobile apps, and interactive AR/VR/XR experiences for Android, iOS, PC, and cross-platform environments. I help studios, startups, and entrepreneurs turn their ideas into engaging, high-performance 2D/3D applications that deliver seamless user experiences and delight players and users worldwide. 🔧 Core Skills Unity 3D & Unreal Engine (Blueprints & C++) Mobile App Development (Android, iOS, React Native, Flutter) AR/VR/XR Development (Oculus, Quest, Hololens, ARKit/ARCore) Multiplayer & Cross-Platform Systems Gameplay Mechanics & Systems Design Performance Optimization & Bug Fixing UI/UX, VFX, Shaders, Lighting, Rendering C#, C++, Git, REST APIs, Firebase, Agile Collaboration 🎮 Expertise & Genres Games: Action · Adventure · Puzzle · Simulation · Strategy · Casual · RPG · Racing · Sports · Arcade · Board Apps: Productivity · Utility · AR/VR Experiences · EdTech · HealthTech · Real Estate · E-commerce 💡 Why Clients Choose Me ✔ Full-time freelancer with consistent availability ✔ Clear communication & regular progress updates ✔ On-time delivery with clean, maintainable code ✔ Post-delivery support to ensure success ✔ Flexible, creative & collaborative approach Whether you need a fast prototype, a polished mobile game, an intuitive mobile app, or a fully immersive AR/VR experience, I can help bring your vision to life — from concept to completion. Let’s connect and create something unforgettable together!

Greetings ! I’m a Senior Embedded Linux and Firmware Specialist with over 15 years of experience in developing robust and efficient firmware solutions. My expertise spans across various programming languages including C/C++, C#, Java, and Python. I have a proven track record of delivering high-quality embedded systems and firmware for a wide range of applications Key Skills and Expertise : 1) Embedded Systems Development : ✔MCU Firmwares : STM32 family, PIC18F, Atmega family, 8051 families, MSP430 - Arduino UNO, Arduino Mega2560, ESP32/8266. ✔ Linux-Embedded: Raspberry Pi, Beaglebone, Orange PI, Banana Pi,. ✔SDK Tools: Keil, IAR, Atmel Studio, QT IDE, Arduino, Visual Studio. ✔Communication Protocol: Bluetooth 5, Wifi, Zigbee, Lora Worked with nRF-51DK, core nRF51822, beaconkit, NRF52832 dev-kit. - Adafruit BLE, CC2540/CC2541, CC3200, ESP8266/ESP32 - GSM SIM800 SIM900 GPS MODBUS (TCP/IP) (RTU) ,CANBUS ✔ Build Yockto Linux integrate with Qt5 for Raspberry ✔ Customize the AOSP images 2) IoT Application Development Some of my product that I have designed and released to the market: ✔ Home application: Design Air-condition use Toshiba IC, control motor BLDC, have FPC to 7A, 380V, power supply 1000W, temperature resistor sensor, WIFI and IR to control AC Fan by Triac… ✔ Smart Home Product: Design Home Gateway with Ethernet, WIFI , Zigbee and TFT LCD. Design Smart Switch with capacitive touch, Zigbee communication, Single Phase Power Meter, 220VAC/110VAC load control,... and a lot of other products . 3) Mobile Application development ✔Define an interface where you can send and receive data via Bluetooth, WIFI ✔Make a graph which plot data, design database where store the IoT data ✔Design base on MVVM, MVP, Clean Architecture 4) Build-In Desktop Application ✔ Develop desktop application by WPF, Winform using the MVVM pattern, clean architecture ✔Help you solve any problem in the project. ✔ Build GUI app for Mac, Linux, Win by PySide, Python 5) Web Application Development ✔ Consult that make your business successful with my expertise and knowledge ✔Good at the framework: Spring Boot, .NET core, Django, ReactJS - Configuring and administrating CI (Continuous Integration) & CD (Continuous Delivery) tools/utilities to support in deploying 6) Do data entry, data mining, web scraping, and data extraction ✔ Write a custom script for the website that will extract the required data without relying on any specific software ✔ Make scraping tool that performs web crawling, deliver qualified & well-organized databases as your needs (XLSX, CSV, TXT, IMG, XML, JSON) I am dedicated to delivering top-notch solutions that meet and exceed client expectations. My strong technical skills, combined with my commitment to quality and timely delivery, make me the ideal choice for your embedded systems and firmware development needs. Let’s work together to bring your project to life!

I have developed a wide range of desktop products, using C, C++, STL, Win32, Visual C++, MFC, COM, QT and C#, and Office Addin development. During my work in five Product Engineering teams, I have also created functional requirements, defining the scope of work , proof of concept, software design, software development, and client interfacing. Besides being an Individual Contributor, I have also played Techno Managerial roles - requirement gathering, software design, work breakdown, and end to end implementation of projects within the scheduled time . I also have experience on UML, Software Architecture and creating software roadmaps.

Hello, I’m Jason Nhien Truong, a Senior Software Engineer and Software Architect with over 20 years of professional experience delivering reliable, maintainable software solutions for businesses across multiple industries. I specialize in C# and .NET development, Windows desktop applications, enterprise web systems, SQL databases, and Azure-based platforms. I help clients modernize legacy systems, stabilize and scale existing products, and build new applications with a strong focus on performance, usability, and long-term maintainability. I work closely with stakeholders to translate business needs into practical, well-structured technical solutions. What I offer Full-stack .NET development I work across the .NET ecosystem, from legacy ASP.NET Web Forms to modern .NET 8 APIs and microservices. I design secure, scalable backend systems with clean architecture and clear separation of concerns. Windows desktop application development I have extensive experience building and maintaining Windows desktop applications using WinForms and WPF, including MVVM-based WPF applications. I focus on responsive UI behavior, clean data binding, maintainable ViewModel design, and user-friendly workflows for business-critical desktop software. Enterprise UI with DevExpress and Telerik I have deep expertise with DevExpress and Telerik controls for WinForms and web applications. I redesign and modernize complex UIs to improve usability, consistency, and performance without breaking existing business logic. Database architecture and optimization Strong experience with SQL Server, PostgreSQL, MySQL, and Azure SQL. I design schemas, optimize queries, and ensure data integrity and stability in production systems. Azure cloud and DevOps Hands-on experience deploying and maintaining applications on Azure, including CI/CD pipelines, containerized services, background processing, and cloud-based integrations. Testing and automation I write unit and integration tests using xUnit and NUnit, and implement automation with Selenium and AutoIt to improve quality and reduce regression risk. Key technical skills Languages and platforms C#, .NET Core, .NET 8, ASP.NET, SQL, JavaScript, HTML, CSS, Python Desktop development WinForms, WPF, MVVM, DevExpress WinForms, Telerik UI Frameworks and tools Entity Framework, LINQ, Docker, Azure DevOps Databases SQL Server, PostgreSQL, MySQL, MongoDB, Azure SQL Cloud and monitoring Azure, Kubernetes, Azure Service Bus, Prometheus, Grafana Architecture Microservices, Clean Architecture, Domain-Driven Design Selected projects Web forecasting application maintenance Maintained and enhanced a legacy ASP.NET Web Forms application using SQL Server 2022 and Telerik UI. Improved UI workflows, business logic, and performance. Betx – cloud-native microservices platform Developed backend microservices using .NET 8 and Web API. Worked on PostgreSQL data modeling, Azure Kubernetes deployment, secure APIs, messaging, and observability with Prometheus and Grafana. Custom ERP system for manufacturing Built a custom ERP system using C# and SQL Server, including workflows, reporting, role-based access, and third-party integrations. Carrier pricing API integration Integrated FedEx and UPS APIs for real-time pricing, data synchronization, and robust error handling with retries and logging. Why work with me I bring deep technical experience, strong ownership, and a business-focused mindset. I communicate clearly, meet commitments, and build software that remains stable and maintainable over time. Availability Open to full-time or part-time engagements. Flexible with time zones for long-term projects. If you’re looking for a senior .NET engineer who can handle both backend systems and Windows desktop applications with confidence, feel free to reach out.

🎯 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 .𝐍𝐞𝐭 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 |.𝐍𝐞𝐭 𝐂𝐨𝐫𝐞 | |𝐑𝐞𝐚𝐜𝐭 𝐍𝐚𝐭𝐢𝐯𝐞 |𝐍𝐨𝐝𝐞 𝐄𝐱𝐩𝐞𝐫𝐭🎯 ✅ Top-Rated on Upwork ✅ Software Development Expert ✅ 5+ years of experience in the industry ✅ Available Now 🌟 I’m a passionate .NET Developer with over 5+ 𝐲𝐞𝐚𝐫𝐬 𝐨𝐟 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞, 𝐬𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐳𝐢𝐧𝐠 𝐢𝐧 .𝐍𝐄𝐓 𝐂#, 𝐗𝐚𝐦𝐚𝐫𝐢𝐧/𝐌𝐀𝐔𝐈, 𝐀𝐒𝐏.𝐍𝐄𝐓 𝐂𝐨𝐫𝐞, 𝐚𝐧𝐝 𝐟𝐮𝐥𝐥-𝐬𝐭𝐚𝐜𝐤 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬. With a deep understanding of the .NET ecosystem, I create applications that go beyond code – I craft seamless, high-performance digital experiences that deliver real value. ✅ 𝐌𝐲 𝐏𝐫𝐨𝐟𝐢𝐜𝐢𝐞𝐧𝐜𝐢𝐞𝐬 𝐈𝐧𝐜𝐥𝐮𝐝𝐞: ⭐ C#, .Net, .NET Framework, .Net Core, ASP.Net, ASP.net Core, ASP.NET MVC, ASP.NET Web Forms, MVC with Razor Views, VB.NET ⭐ Node.js, Python, Express.js, Nest.js, Entity Framework, Entity Framework Core ⭐ WebForms, WinForms, WCF, WPF ⭐ React, React Native, Angular.js, Angular, 6,7,8,9,10, 12, 14 ⭐ Javascript, TypeScript, jQuery, HTML5, CSS3, SaaS, Tailwind CSS, Bootstrap ⭐ Figma, Sketch, Adobe XD, Photoshop, Illustrator ⭐Azure Services, Azure DevOps Services, Azure Pipelines, Active Directory, etc ⭐ GraphQL, SQL, MongoDB Query Language (MQL), React Query, Twilio ⭐ MySQL, MongoDB, PostgreSQL, Firebase, Supabase, Microsoft SQL Server, Dynamo DB ⭐ Web Scraping, Data Scraping ⭐ Seamless API Integrations ⭐ Streamlined Admin Panel Integrations 🌟 𝗔𝗣𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻: ➤ Google API's integration including Google Authentication using oAuth 2. ➤ Stripe, AWSSDK, PayPal, Azure, Strava, OpenAPIs ➤ ElasticSearch, Redis, BluePay, Stripe, DropBox, Google APIs, etc 🌟 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝗜 𝗢𝗳𝗳𝗲𝗿: ✅FullStack Web Development ✅Responsive Web Design ✅Custom Web Application Development ✅API Development and Integration ✅Database Management ✅Deployment and Optimization 🌟 This list highlights my core expertise, but I’m open to exploring other technologies and services to meet your needs. I'm available for consultations and remote contracting opportunities. Feel free to reach out to discuss your project—I'd be happy to help. Thank you for considering my profile!

𝐒𝐞𝐧𝐢𝐨𝐫 .𝐍𝐄𝐓 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 | 𝐀𝐒𝐏.𝐍𝐄𝐓 𝐂𝐨𝐫𝐞 · 𝐀𝐳𝐮𝐫𝐞 · 𝐒𝐚𝐚𝐒 · 𝐌𝐢𝐜𝐫𝐨𝐬𝐞𝐫𝐯𝐢𝐜𝐞𝐬 · 𝐀𝐈 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 If you need a .NET system that actually scales, not just one that works today, you're in the right place. I help startups and enterprises design, build, and modernize web applications, cloud platforms, and APIs using C#, ASP.NET Core, and Microsoft Azure, with 11 years of experience turning complex business problems into clean, maintainable software. 𝐖𝐡𝐚𝐭 𝐜𝐥𝐢𝐞𝐧𝐭𝐬 𝐮𝐬𝐮𝐚𝐥𝐥𝐲 𝐜𝐨𝐦𝐞 𝐭𝐨 𝐦𝐞 𝐰𝐢𝐭𝐡: A legacy .NET Framework or MVC app that needs modernization to .NET 8/9 or Azure A SaaS product idea that needs to be architected from scratch with multi-tenancy, auth, and scalable APIs A backend that's slowing under load and needs refactoring, query optimization, or cloud migration A DevOps bottleneck, no CI/CD pipeline, manual deployments, fragile release process An enterprise integration project, third-party APIs, payment gateways, ERP connectors, or real-time data workflows 𝐈'𝐯𝐞 𝐬𝐨𝐥𝐯𝐞𝐝 𝐚𝐥𝐥 𝐨𝐟 𝐭𝐡𝐞𝐬𝐞. 𝐇𝐞𝐫𝐞'𝐬 𝐡𝐨𝐰 𝐈 𝐰𝐨𝐫𝐤: --𝐁𝐚𝐜𝐤-𝐄𝐧𝐝 & 𝐀𝐏𝐈 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧 C#, ASP.NET Core (2.0–9.0), Web API, gRPC, SignalR, Blazor Server and WASM, clean architecture, CQRS, repository pattern, microservices, I don't just write code, I design systems that are easy to extend six months later. --𝐂𝐥𝐨𝐮𝐝 & 𝐈𝐧𝐟𝐫𝐚𝐬𝐭𝐫𝐮𝐜𝐭𝐮𝐫𝐞, 𝐀𝐳𝐮𝐫𝐞 & 𝐀𝐖𝐒 Azure App Services, Functions, Logic Apps, Service Bus, Key Vault, Blob Storage, Azure SQL, Cosmos DB. AWS: EC2, S3, RDS, Lambda. I design cloud-native architectures that are cost-aware, secure, and production-ready from day one. --𝐃𝐞𝐯𝐎𝐩𝐬 & 𝐂𝐈/𝐂𝐃 Azure DevOps, GitHub Actions, GitLab CI/CD, Jenkins, Bitbucket Pipelines, Docker, Kubernetes. I set up automated build and release pipelines so your team ships faster with fewer surprises. Front-End Angular (v2–v19), React.js, TypeScript, Tailwind CSS, Material UI, Bootstrap, full-stack delivery when your project needs it. Databases SQL Server, Azure SQL, PostgreSQL, MySQL, MongoDB, Cosmos DB, Entity Framework Core (6/7/8), stored procedures, query optimization. I've rescued databases drowning in N+1 queries and missing indexes. Integrations & Security REST APIs, OAuth2, JWT, SSO, Stripe, PayPal, Authorize.Net, SendGrid, Twilio, WebSockets, OpenAPI/Swagger. --𝐀𝐈-𝐀𝐬𝐬𝐢𝐬𝐭𝐞𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 I integrate AI APIs and LLM-powered features into .NET applications ,from OpenAI-based document processing to intelligent automation workflows, helping you ship smarter products without building an ML team. 𝐖𝐡𝐚𝐭 𝐦𝐚𝐤𝐞𝐬 𝐦𝐞 𝐝𝐢𝐟𝐟𝐞𝐫𝐞𝐧𝐭 𝐟𝐫𝐨𝐦 𝐨𝐭𝐡𝐞𝐫 .𝐍𝐄𝐓 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫𝐬 𝐨𝐧 𝐔𝐩𝐰𝐨𝐫𝐤: I've led development teams, architected systems from greenfield to enterprise scale, and mentored junior developers across startup and Fortune 500 environments. I don't disappear after handing over code,, I think about long-term maintainability, onboarding cost, and your next developer's experience. I communicate clearly, give proactive updates, flag risks early, and deliver on time. I've worked across healthcare, fintech, residential management, and enterprise SaaS, I understand that your software isn't just a technical project, it's a business product. 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬 𝐬𝐞𝐫𝐯𝐞𝐝: Healthcare · Fintech/Payments · Residential & Property Management · Enterprise SaaS · E-commerce · Internal Tooling 𝐄𝐧𝐠𝐚𝐠𝐞𝐦𝐞𝐧𝐭 𝐦𝐨𝐝𝐞𝐥𝐬: Long-term retainer · Project-based · Team augmentation · Project rescue · Architecture consulting 𝑳𝒆𝒕'𝒔 𝒕𝒂𝒍𝒌 𝒊𝒇 𝒚𝒐𝒖 𝒏𝒆𝒆𝒅 𝒂 𝒔𝒆𝒏𝒊𝒐𝒓 .𝑵𝑬𝑻 𝒆𝒏𝒈𝒊𝒏𝒆𝒆𝒓 𝒘𝒉𝒐 𝒃𝒓𝒊𝒏𝒈𝒔 𝒃𝒐𝒕𝒉 𝒕𝒆𝒄𝒉𝒏𝒊𝒄𝒂𝒍 𝒅𝒆𝒑𝒕𝒉 𝒂𝒏𝒅 𝒃𝒖𝒔𝒊𝒏𝒆𝒔𝒔 𝒕𝒉𝒊𝒏𝒌𝒊𝒏𝒈 𝒕𝒐 𝒚𝒐𝒖𝒓 𝒑𝒓𝒐𝒋𝒆𝒄𝒕.