I, Sadaf Asif, have 16 years of experience in research and development, algorithm development, analysis-based tasks, and working on case studies across all phases of software development. Areas of expertise: Development of interactive graphical user interfaces using DevExpress in C# Blazor web server and client development with clean architecture Database Designing and Creation Socket Programming Audio Processing Logic development VHF/UHF, Microwave & Satellite Communications Video Image Processing Technical skills: Programming languages: C, C++ (VC++), C#, Asp.net, Blazor Database management: SQL Server, mySQL, DynamoDB Amazon EC2 Cluster Placement Groups, AWS Elastic Container Service (ECS), AWS Fargate. AWS Lambda, AWS IAM (Identity and Access Management), IAM Roles & Execution Policies.

C# .NET WPF WinForms Developer 👋 Hello! I'm a Senior C# .NET WPF WinForms Developer specializing in custom desktop applications and management systems. I design and build secure, user-friendly solutions tailored to business needs, whether it’s inventory, POS, employee management, or reporting platforms. Alongside my desktop expertise, I also deliver scalable web applications using Angular, React, and .NET for clients who need both desktop and cloud-ready systems. 🌟 Core Expertise Desktop Applications: Secure, high-performance desktop solutions with C#, WPF, and WinForms, .Net Framework. Management Systems: Custom HR, employee, attendance, and company management systems designed for efficiency and automation. Web Development: Custom WordPress and Shopify solutions, plus modern front-end frameworks like Angular and React. Biometric Integration: RFID, fingerprint recognition, and Neurotechnology for secure authentication. Database Management: MySQL, MSSQL, MS Access, and SQLite for smooth data operations. 🔍 Background With 8+ years of experience, I’ve delivered everything from biometric desktop solutions to enterprise management systems and dynamic e-commerce websites. I stay current with emerging technologies to ensure efficient, secure, and future-ready solutions. 🤝 Collaboration I value clear communication and client satisfaction. Whether enhancing existing systems or building from the ground up, I deliver high-quality results on time and aligned with your goals. 🚀 Let’s Build Together! If you need a reliable engineer for .NET applications, management systems, biometric solutions, or web/e-commerce platforms, I’d love to bring your ideas to life.

🏆 Top Rated 👍 100% Job Success 😄 Long List of Happy Clients ⏳ Fast Turnaround 📞 Excellent Communication Full Stack .Net Developer with 15+ years experience in the Healthcare domain with a special interest in HIPPA and Interoperability. I have expert knowledge of information messaging standards (I.e. HL7/FHIR/X12 and middle-ware principles and concepts (i.e. APIs, REST, WSDL, SOAP, Web Services, etc.) AI Chatbots for healthcare (patient support, triage) LLM integrations (GPT, Claude) Medical data summarisation (reports, notes) AI-powered EMR automation Voice → text medical transcription (AI) AI agents for clinics (appointments, follow-ups) My Expertise • Web & Mobile Solution • Telehealth/Telemedicine Virtual Appointment Booking Solutions & mHealth Apps • EMR, EHR, PHI, Medical Billing Solutions for Patient Healthcare/Medical Records • HealthKit Integration for Fitness Apps • Healthcare device and smartwatch integration for vitals extraction • Healthcare Marketplace Management Solutions • Doctor-patient apps and Websites • Medical Job Portals • Staff Management Software, and more! • Chat-bot, video call, SMS, email service integration  Healthcare Consulting & Subject Matter Expertise: • HIPAA Compliance & Standards • HL7 V2, HL7 FHIR, SMART on FHIR, and NCPDP Standards • EHR & EMR Integration (EPIC, Cerner) • Healthcare Device & HealthKit Integration • Consulting on Telemedicine, EMR/EHR, HL7, FHIR, EDI, HIE, CCDA, HIPAA, Mirth Connect, Billing, Benefit Plan Management, Eligibility Verification, Claim Scrubbing • Start-Up and Large Organization Consulting for HIPAA Compliance • Security Risk Assessment and Remediation for Healthcare Applications • Mirth Connect Configuration and Channel Customization • Mirth Connect-Based FHIR Integration • Lab Integrations (Uni-Directional, Bi-Directional) • Integration with PopHealth, Epic, Cerner • Billing Management and EDI Processing Systems • DICOM Viewer & PACS Solutions Technologies: .Net Framework, .Net Core, C#, ASP.Net MVC/WebAPI2/WebForms, React, Redux, Node Js, REACT, Angular,, WinForms, WPF, WinRT/WinJS, Windows Phone/Xamarin, Entities Framework/ADO.NET, MS SQL Server, Cloud Server like AWS, Azure & GC HIPAA Security Expert doing security assessment, identifying PHI, looking for HIPAA compliance, complying HITRUST requirements, Involved in auditing, reviewing BAA with HIPAA hosting provider. I have also updated with emerging technologies like AI, chatbot integration, and process automation. Our Global Impact: I've proven my healthcare domain expertise across the US, Canada, Australia, Europe, South America, and the UAE healthcare industries. Let's connect and transform your vision into a reality! Add value to your dream product with our expertise. Contact us today!

"I am an embedded systems engineer with substantial experience in programming languages like C, C++, VHDL, Verilog, Java and Python. My expertise extends to working with boards such as Arduino, Raspberry Pi, ESP32, STM32, and FPGAs. Additionally, I am proficient in designing and implementing communication protocols such as UART, I2C, CAN, USB, and SPI. With these skills, I can develop robust and high-performance embedded solutions for diverse applications in the fields of digital services and the Internet of Things."

🚀 𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 𝐆𝐚𝐦𝐞 𝐄𝐧𝐠𝐢𝐧𝐞 & 𝐑𝐞𝐧𝐝𝐞𝐫𝐢𝐧𝐠 𝐒𝐲𝐬𝐭𝐞𝐦𝐬 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 & Game Developer As a 𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 Upwork freelancer, I help teams build high-performance, scalable game engines and rendering systems, from extending existing engine technology to developing custom engine systems from the ground up. I specialize in graphics programming, core engine architecture, and performance-critical game technology. My work focuses on building clean, scalable, and maintainable systems that support real production needs, not just short-term prototypes. 𝐂𝐨𝐫𝐞 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: ◙ 𝗚𝗮𝗺𝗲 𝗘𝗻𝗴𝗶𝗻𝗲 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲 Custom engine systems, modular architecture, ECS-based workflows, runtime systems, and long-term maintainability. ◙ 𝗚𝗿𝗮𝗽𝗵𝗶𝗰𝘀 & 𝗥𝗲𝗻𝗱𝗲𝗿𝗶𝗻𝗴 Rendering pipelines, GPU-oriented workflows, low-level rendering systems, and modern graphics API integration. ◙ 𝗟𝗼𝘄-𝗟𝗲𝘃𝗲𝗹 𝗣𝗿𝗼𝗴𝗿𝗮𝗺𝗺𝗶𝗻𝗴 C, C++, and C# development for performance-sensitive systems, tools, and engine-level features. ◙ 𝗚𝗿𝗮𝗽𝗵𝗶𝗰𝘀 𝗔𝗣𝗜𝘀 DirectX 11, DirectX 12, Vulkan, and OpenGL. ◙ 𝗘𝗻𝗴𝗶𝗻𝗲 𝗦𝘆𝘀𝘁𝗲𝗺𝘀 Physics and audio integration, resource and asset management, GPU-focused workflows, and production-ready technical foundations. ◙ 𝗨𝗻𝗶𝘁𝘆 & 𝗨𝗻𝗿𝗲𝗮𝗹 𝗘𝗻𝗴𝗶𝗻𝗲 Senior-level experience with Unity and intermediate experience with Unreal Engine, giving me practical insight into different engine architectures and real-world production workflows. ◙ 𝗧𝗼𝗼𝗹𝗶𝗻𝗴 & 𝗪𝗼𝗿𝗸𝗳𝗹𝗼𝘄𝘀 Engine tooling, editor frameworks, ImGui-style tools, Git/GitHub collaboration, and CMake-based build systems. 𝐖𝐡𝐚𝐭 𝐈 𝐁𝐫𝐢𝐧𝐠 𝐭𝐨 𝐏𝐫𝐨𝐣𝐞𝐜𝐭𝐬: I bridge low-level engine development with practical production requirements. Whether you need to optimize an existing rendering system, extend your engine architecture, build internal tools, or develop core technology for a custom engine, I focus on solutions that are fast, reliable, and maintainable. My priority is not just making systems work. It is making them robust enough to scale with the project. If you are looking for a Top Rated developer who can work close to the engine layer, understand performance constraints, and build clean technical foundations for your game or rendering project, let’s discuss your requirements.

With 𝟔+ 𝐲𝐞𝐚𝐫𝐬 𝐢𝐧 𝐔𝐧𝐫𝐞𝐚𝐥 𝐄𝐧𝐠𝐢𝐧𝐞, I specialize in 𝐂++ 𝐚𝐧𝐝 𝐁𝐥𝐮𝐞𝐩𝐫𝐢𝐧𝐭 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 across gameplay systems, multiplayer implementation, AR/VR interaction, optimization, debugging, and system-level feature integration. My focus is on building Unreal solutions that are technically solid, efficient to iterate on, and maintainable as projects grow. I also use 𝐀𝐈-𝐚𝐬𝐬𝐢𝐬𝐭𝐞𝐝 𝐰𝐨𝐫𝐤𝐟𝐥𝐨𝐰𝐬 where they add real value. This includes tools like 𝐂𝐮𝐫𝐬𝐨𝐫, 𝐂𝐥𝐚𝐮𝐝𝐞 𝐂𝐨𝐝𝐞, 𝐆𝐢𝐭𝐇𝐮𝐛 𝐂𝐨𝐩𝐢𝐥𝐨𝐭, 𝐚𝐧𝐝 𝐂𝐨𝐝𝐞𝐱 for faster iteration, debugging, and development efficiency, along with Unreal-relevant tools such as 𝐂𝐨𝐧𝐯𝐚𝐢, 𝐈𝐧𝐰𝐨𝐫𝐥𝐝 𝐀𝐈, 𝐍𝐕𝐈𝐃𝐈𝐀 𝐀𝐂𝐄, 𝐚𝐧𝐝 𝐌𝐞𝐭𝐚𝐇𝐮𝐦𝐚𝐧 𝐀𝐧𝐢𝐦𝐚𝐭𝐨𝐫 for interactive characters, AI-enhanced experiences, and real-time character workflows. These tools are used 𝐬𝐞𝐥𝐞𝐜𝐭𝐢𝐯𝐞𝐥𝐲 𝐚𝐧𝐝 𝐨𝐧𝐥𝐲 𝐰𝐢𝐭𝐡 𝐜𝐥𝐢𝐞𝐧𝐭 𝐚𝐩𝐩𝐫𝐨𝐯𝐚𝐥 𝐰𝐡𝐞𝐧 𝐚𝐩𝐩𝐫𝐨𝐩𝐫𝐢𝐚𝐭𝐞, while the core work remains grounded in hands-on Unreal implementation and sound technical judgment. I work with 𝐬𝐭𝐚𝐫𝐭𝐮𝐩𝐬, 𝐞𝐬𝐭𝐚𝐛𝐥𝐢𝐬𝐡𝐞𝐝 𝐜𝐨𝐦𝐩𝐚𝐧𝐢𝐞𝐬, 𝐚𝐧𝐝 𝐩𝐫𝐨𝐝𝐮𝐜𝐭-𝐟𝐨𝐜𝐮𝐬𝐞𝐝 𝐭𝐞𝐚𝐦𝐬 on Unreal projects ranging from from-scratch development to the expansion, refinement, and technical improvement of existing products. My experience includes 𝐦𝐮𝐥𝐭𝐢𝐩𝐥𝐚𝐲𝐞𝐫 𝐠𝐚𝐦𝐞𝐬, 𝐀𝐑/𝐕𝐑 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞𝐬, 𝐬𝐢𝐦𝐮𝐥𝐚𝐭𝐢𝐨𝐧𝐬, 𝐠𝐚𝐦𝐞𝐩𝐥𝐚𝐲-𝐝𝐫𝐢𝐯𝐞𝐧 𝐬𝐲𝐬𝐭𝐞𝐦𝐬, 𝐥𝐚𝐫𝐠𝐞-𝐬𝐜𝐚𝐥𝐞 𝐰𝐚𝐥𝐤𝐚𝐛𝐥𝐞 𝐞𝐧𝐯𝐢𝐫𝐨𝐧𝐦𝐞𝐧𝐭𝐬, 𝐢𝐧𝐭𝐞𝐫𝐚𝐜𝐭𝐢𝐯𝐞 𝐀𝐫𝐜𝐡𝐕𝐢𝐳, 𝐜𝐢𝐧𝐞𝐦𝐚𝐭𝐢𝐜𝐬, 𝐚𝐧𝐝 𝐩𝐡𝐨𝐭𝐨𝐫𝐞𝐚𝐥𝐢𝐬𝐭𝐢𝐜 𝐫𝐞𝐚𝐥-𝐭𝐢𝐦𝐞 𝐰𝐚𝐥𝐤𝐭𝐡𝐫𝐨𝐮𝐠𝐡𝐬—for projects that need dependable execution and a clear path from concept to polished production. My core Unreal work usually includes: • 𝐂++ & 𝐁𝐥𝐮𝐞𝐩𝐫𝐢𝐧𝐭 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 System-level implementation, gameplay features, reusable mechanics, and structured Unreal development. • 𝐌𝐮𝐥𝐭𝐢𝐩𝐥𝐚𝐲𝐞𝐫 & 𝐆𝐚𝐦𝐞𝐩𝐥𝐚𝐲 𝐒𝐲𝐬𝐭𝐞𝐦𝐬 Gameplay mechanics, replication logic, multiplayer workflows, and scalable real-time system implementation. • 𝐀𝐑/𝐕𝐑 & 𝐈𝐦𝐦𝐞𝐫𝐬𝐢𝐯𝐞 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞𝐬 Interactive AR/VR applications, input systems, immersive workflows, and performance-aware development. • 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 & 𝐂𝐨𝐧𝐧𝐞𝐜𝐭𝐞𝐝 𝐒𝐲𝐬𝐭𝐞𝐦𝐬 API integration, online features, authentication, third-party services, and connected Unreal experiences using 𝐅𝐢𝐫𝐞𝐛𝐚𝐬𝐞, 𝐀𝐖𝐒, 𝐀𝐳𝐮𝐫𝐞, 𝐏𝐥𝐚𝐲𝐅𝐚𝐛, 𝐚𝐧𝐝 𝐜𝐮𝐬𝐭𝐨𝐦 𝐛𝐚𝐜𝐤𝐞𝐧𝐝 𝐀𝐏𝐈𝐬. • 𝐎𝐩𝐭𝐢𝐦𝐢𝐳𝐚𝐭𝐢𝐨𝐧, 𝐄𝐱𝐩𝐚𝐧𝐬𝐢𝐨𝐧 & 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐈𝐦𝐩𝐫𝐨𝐯𝐞𝐦𝐞𝐧𝐭 Performance tuning, unstable-area cleanup, feature expansion, and technical refinement to help projects become more stable, polished, and maintainable. • 𝐈𝐧𝐭𝐞𝐫𝐚𝐜𝐭𝐢𝐯𝐞 𝐕𝐢𝐬𝐮𝐚𝐥𝐢𝐳𝐚𝐭𝐢𝐨𝐧 & 𝐂𝐢𝐧𝐞𝐦𝐚𝐭𝐢𝐜 Large-scale walkable environments, interactive ArchViz, cinematic experiences, and photorealistic real-time walkthroughs built for high-quality presentation and engagement. My work ethic is centered on 𝐨𝐰𝐧𝐞𝐫𝐬𝐡𝐢𝐩, 𝐝𝐢𝐬𝐜𝐢𝐩𝐥𝐢𝐧𝐞, 𝐜𝐥𝐚𝐫𝐢𝐭𝐲, 𝐚𝐧𝐝 𝐥𝐨𝐧𝐠-𝐭𝐞𝐫𝐦 𝐭𝐡𝐢𝐧𝐤𝐢𝐧𝐠. I take Unreal projects seriously from both a technical and professional standpoint—communicating clearly, working consistently, respecting deadlines, and focusing on solutions that are stable, maintainable, and valuable beyond short-term implementation. If you’re looking for an Unreal developer who brings 𝐬𝐭𝐫𝐨𝐧𝐠 𝐭𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐞𝐱𝐞𝐜𝐮𝐭𝐢𝐨𝐧, 𝐝𝐞𝐩𝐞𝐧𝐝𝐚𝐛𝐥𝐞 𝐜𝐨𝐦𝐦𝐮𝐧𝐢𝐜𝐚𝐭𝐢𝐨𝐧, 𝐚𝐧𝐝 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐢𝐨𝐧-𝐦𝐢𝐧𝐝𝐞𝐝 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭, I’d be happy to learn more about your project.

Signal Processing Engineer specializing in real-time audio DSP and embedded systems, with expertise spanning algorithm prototyping to production deployment. I develop high-performance audio solutions using C++ and JUCE for VST3/AU plugins, and leverage Python for DSP/ML research and rapid prototyping. My work encompasses the complete signal processing pipeline: • Algorithm Research & Prototyping: Using Python (NumPy, SciPy, Librosa, TensorFlow) for AEC, noise suppression, adaptive filtering, and machine learning integration • Production Implementation: Translating algorithms to optimized C++ for real-time performance in JUCE plugins and embedded systems • Embedded Deployment: Implementing DSP algorithms on Cortex-M4 with TensorFlow Lite Micro, focusing on memory and power optimization • Cloud Infrastructure: Building scalable backends and CI/CD pipelines on Azure, AWS, and Oracle Cloud for audio applications This full-stack expertise enables me to bridge signal processing research with production-ready implementations, from Python-based algorithm development to efficient C++ deployment. Recent Project: Developed an open-source Acoustic Echo Cancellation (AEC) system, implementing adaptive filtering algorithms in Python for research and C++ for real-time performance. Core Technical Stack: • Languages: C++ (Embedded/Real-time), Python (DSP/ML), MATLAB, C#, Kotlin, Swift • Signal Processing: AEC, Noise Suppression, Beamforming, Feature Extraction, Real-time DSP • Frameworks: JUCE, FAUST, TensorFlow, PyTorch, CMSIS-DSP • Cloud & DevOps: Azure, AWS, Oracle Cloud, CI/CD, Docker, REST APIs • Embedded: TensorFlow Lite Micro, STM32, ARM Cortex-M Certifications: 1. Microsoft Certified: DevOps Engineer Expert 2. Microsoft Certified: Azure Administrator Associate 3. AWS Certified Solutions Architect 4. Microsoft Azure Fundamentals (AZ-900) 5. Oracle Cloud Infrastructure Certified Architect Associate 6. Oracle Certified DevOps Professional Open to opportunities in: Audio Signal Processing, Embedded DSP Systems, Medical Device Algorithm Development, and Real-Time Processing Applications.

I'm a Senior Full-Stack .NET Developer with 8+ years building secure, scalable web applications using ASP.NET Core, C#, Entity Framework Core, and React — deployed on AWS and Microsoft Azure. I've led development teams and delivered production systems for fintech, real estate, logistics, and SaaS businesses. What I've built: A cryptocurrency exchange platform with real-time trading, KYC verification, and multi-currency wallets (Binance, Stripe, Veriff API integrations) A property management SaaS platform with automated rent collection, digital leasing, and AI-powered maintenance workflows A business operations platform (Tamarran) handling bookings, POS, and payments for enterprise clients Multiple REST APIs and microservices on AWS Lambda and Azure Functions Core stack: C#, ASP.NET Core, .NET 6/8, Entity Framework Core, SQL Server, React, AWS (Lambda, API Gateway), Azure (Functions, Blob Storage, Service Bus), REST APIs, CI/CD. Bonus: I also integrate AI features into .NET/React applications — chatbots, workflow automation, and LLM-powered tools — for clients who want to add intelligence to existing systems. I've completed 72 jobs on Upwork with a 100% Job Success Score and Top Rated status. I communicate clearly, deliver on time, and write code meant to be maintained, not just shipped. Let's talk about what you're building.

I am a Full Stack Developer and expert in Software and Web Development using .Net framework, asp.net, MVC C#. I am Working in these technologies since 2014. Let me lead on your projects to complete in a time manner. Best Fahad Usman Meer Senior Software Engineer

Hi there! For the last 7 years I have been professionally helping clients turn their ideas into a product. With proven ability of understanding customers' needs and outside the box thinking I am always eager to do the things right. If you want energetic, positive thinking problem solver with always fresh ideas in mind, I'm your man. Among areas of my expertise you might be interested in: - Qt - C++ - Rust - Golang - Blockchain - Cryptocurrency - Mobile, Desktop and Crossplatform Development.