𝐈’𝐦 𝐚 𝐂# / .𝐍𝐄𝐓 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫 with deep experience building and improving 𝐌𝐢𝐜𝐫𝐨𝐬𝐨𝐟𝐭-𝐬𝐭𝐚𝐜𝐤 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 across 𝐀𝐒𝐏.𝐍𝐄𝐓 𝐂𝐨𝐫𝐞, 𝐖𝐞𝐛 𝐀𝐏𝐈𝐬, 𝐀𝐳𝐮𝐫𝐞, 𝐚𝐧𝐝 .𝐍𝐄𝐓 𝐌𝐀𝐔𝐈. 𝟏𝟎+ 𝐲𝐞𝐚𝐫𝐬 𝐨𝐟 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 𝐢𝐧 𝐌𝐢𝐜𝐫𝐨𝐬𝐨𝐟𝐭 𝐭𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬, I work with clients who need more than just code written — they need someone who can step into real products, understand the business logic, improve weak areas, solve technical issues, and keep delivery moving with confidence. My work typically involves 𝐰𝐞𝐛 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬, 𝐛𝐚𝐜𝐤𝐞𝐧𝐝 𝐀𝐏𝐈𝐬, 𝐜𝐥𝐨𝐮𝐝 𝐝𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭, 𝐛𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐬𝐲𝐬𝐭𝐞𝐦𝐬, 𝐦𝐨𝐝𝐞𝐫𝐧𝐢𝐳𝐚𝐭𝐢𝐨𝐧 𝐨𝐟 𝐞𝐱𝐢𝐬𝐭𝐢𝐧𝐠 𝐩𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬, 𝐚𝐧𝐝 𝐥𝐨𝐧𝐠-𝐭𝐞𝐫𝐦 𝐩𝐫𝐨𝐝𝐮𝐜𝐭 𝐬𝐮𝐩𝐩𝐨𝐫𝐭. I also use 𝐀𝐈-𝐚𝐜𝐜𝐞𝐥𝐞𝐫𝐚𝐭𝐞𝐝 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 workflows with tools such as 𝐂𝐥𝐚𝐮𝐝𝐞 𝐂𝐨𝐝𝐞, 𝐂𝐨𝐝𝐞𝐱, 𝐂𝐮𝐫𝐬𝐨𝐫, 𝐚𝐧𝐝 𝐆𝐨𝐨𝐠𝐥𝐞 𝐀𝐧𝐭𝐢𝐠𝐫𝐚𝐯𝐢𝐭𝐲 to speed up development, debugging, refactoring, and iteration. I use these tools to improve execution speed, but I rely on engineering judgment for architecture, maintainability, code quality, deployment, and production decisions. My background also includes .𝐍𝐄𝐓 𝐌𝐀𝐔𝐈 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭, 𝐗𝐚𝐦𝐚𝐫𝐢𝐧 𝐦𝐚𝐢𝐧𝐭𝐞𝐧𝐚𝐧𝐜𝐞, 𝐚𝐧𝐝 𝐗𝐚𝐦𝐚𝐫𝐢𝐧-𝐭𝐨-𝐌𝐀𝐔𝐈 𝐦𝐢𝐠𝐫𝐚𝐭𝐢𝐨𝐧, which is especially useful for clients who need to modernize existing mobile applications without losing momentum on current products. Whether the project involves building from scratch, improving an existing codebase, migrating older Microsoft applications, or supporting a long-term roadmap, I focus on delivering stable, maintainable solutions that are ready for real business use. If you’re looking for a dependable 𝐌𝐢𝐜𝐫𝐨𝐬𝐨𝐟𝐭-𝐬𝐭𝐚𝐜𝐤 𝐞𝐧𝐠𝐢𝐧𝐞𝐞𝐫 who can combine modern .NET expertise with faster 𝐀𝐈-𝐚𝐬𝐬𝐢𝐬𝐭𝐞𝐝 𝐞𝐱𝐞𝐜𝐮𝐭𝐢𝐨𝐧, I’d be glad to discuss your project.

I am passionate about software development...it’s not just my career, it’s my hobby. I have more than 18 years of experience. I'm based in Costa Rica, Central America; one of the most educated countries in the whole of Latin America. I'm constantly striving to learn new things and improve. I DO follow industry news, regularly tinker with new technologies, and read books and blogs to keep my skills current. - I work well alone or within a team environment and enjoy working with my colleagues. - I always use GitHub to keep track of my code and push commits daily - I am fluent in English and Spanish and I'm learning German as a third language, I always write documentation for the code I write and comments. Please, feel free to contact me and let's discuss further details of your projects.

🚀 Senior Full-Stack .NET & Angular | Blazor Developer | 7,500+ Hours | 100% Job Success I help businesses build scalable, secure, and high-performance web applications using .NET Core, Blazor, and Angular. With 8+ years of experience, 7,500+ billed hours, and a 100% Job Success Score, I focus on delivering reliable solutions that reduce technical debt, improve performance, and support long-term growth. I don’t just write code — I help translate business requirements into clean, maintainable, production-ready systems. 💡 What I Can Help You With ✔ Full-Stack Web Application Development (.NET Core + Angular/Blazor) ✔ RESTful API Development & Integration ✔ Enterprise Admin Panels & Dashboard Systems ✔ SaaS Platforms & Subscription Systems ✔ E-commerce & Payment Integration ✔ Cloud Deployment (AWS & Azure) ✔ Application Performance Optimization ✔ Long-Term Maintenance & Support 🛠 Technical Expertise Backend ✔ .NET Core / ASP.NET MVC ✔ C# ✔ Web API ✔ Entity Framework / LINQ ✔ SQL Server / SQLite Frontend ✔ Angular 8+ ✔ Blazor (WASM & Server) ✔ JavaScript / jQuery Cloud & DevOps AWS: EC2, Route53, CodePipeline, CodeDeploy, CloudFront, Load Balancer Azure: Active Directory, Azure AD B2C, Social Authentication CI/CD & Deployment Automation 📈 Why Clients Work With Me ✅ 7,500+ Upwork Hours ✅ 100% Job Success ✅ Strong Communication & Fluent English ✅ Cost-Efficient & High-Quality Delivery ✅ Long-Term Collaboration Focus ✅ Clean, Scalable Architecture I prioritize clear communication, structured planning, and delivering projects on time — whether it's a small feature enhancement or a full SaaS platform. If you are looking for a dependable full-stack .NET developer who understands both business logic and technical architecture, let's discuss your project. Thank you, Ankit C.

Hi, I’m Qasim — a Senior .NET Developer with 9+ years of experience building scalable, high-performance software solutions. I specialize in modern .NET Core, Microservices, and Cloud-based architectures, and I’m passionate about delivering clean, reliable code that drives real business value. My skill set is extensive and includes the following: Back-end Skills: -C#, .NET Framework, .NET Core – designing clean, maintainable, and scalable solutions. -Entity Framework Core, Dapper.net – efficient database access and performance optimization. -Microservices & Distributed Systems – architecture, communication, and deployment. -RESTful APIs, oData, gRPC – reliable integrations and cross-system communication. -Identity & Security – MSAL, Microsoft Identity Framework, Identity Server. -Messaging & Real-time – RabbitMQ, SignalR, WebRTC. -Databases – MS SQL Server, MySQL, PostgreSQL. Front-end Skills: -Web UI – HTML5, CSS, Bootstrap, Tailwind. -JavaScript & TypeScript – jQuery and Angular. -Responsive UI – modern, user-friendly interfaces. I have a strong understanding of Agile/Scrum practices, ensuring smooth teamwork and adaptability. With experience in GitHub, GitLab, and Bitbucket, I maintain clean workflows and code integrity. In short, my skills and experience make me a strong fit for your project, and I’m eager to discuss how I can contribute.

🌟 Top Rated Plus Freelancer | Full-Stack Developer | Web & Mobile App Expert 🌟 Greetings! I'm Usama, a seasoned programmer specializing in web and mobile app development for Android and iOS platforms, along with expertise in Windows services and desktop utilities. With a strong background in C#.NET, ASP.NET MVC,.NET Core, Xamarin, Blazor, and.NET MAUI, I bring over 6 years of hands-on experience to the table. My expertise includes: Developing responsive web applications with Blazor and ASP.NET for a modern user experience. Creating cross-platform mobile applications using Xamarin,.NET MAUI for Android and iOS, and ASP.NET Core Web API. Designing and implementing Windows services for background tasks and automation. Developing desktop utilities using WinForm C# for various purposes such as data management, reporting, and more. Efficiently managing databases with Microsoft SQL Server and MySQL for seamless data handling. Here's why clients love working with me: a proven track record of delivering high-quality solutions on time. Expertise in OOP, MVC, API integration, and responsive design for web and mobile applications. Fluent in English, Urdu, and Hindi for seamless communication. Let's collaborate to bring your ideas to life and achieve success together. Feel free to explore my profile and check out feedback from satisfied clients. I look forward to the opportunity to work with you! Warm regards, Usama

Senior .NET Developer with 7+ years of experience and 11,000+ hours delivered on Upwork. I specialize in enterprise web and desktop applications using C#, .NET 8, Blazor, ASP.NET Core, WPF, and Azure - with a track record of long-term engagements and measurable results. Long-term project highlights: • Syncfusion components integrated with Azure Blob, SMB, Google Drive, OneDrive and SharePoint for a large-scale enterprise file management platform • Rich interactive Blazor components for a financial market analytics application, improving UI response times by 30% • Secure API development, Odoo ERP CRUD integrations, and React TSX components delivering a 20% improvement in data processing efficiency • 99.9% system uptime achieved through robust monitoring and Azure-hosted deployments Technical Skills: • Languages: C#, VB.NET, SQL, JavaScript, TypeScript • Frameworks: .NET 8/Core, ASP.NET Core MVC, Blazor (Server & WebAssembly), WPF, MAUI, WinForms, MVVM, Entity Framework, Dapper, LINQ • Databases: SQL Server, PostgreSQL, MySQL, SQLite, Oracle • Cloud & DevOps: Azure (Blob Storage, Functions, DevOps, CI/CD), Docker, IIS, Git, TFS • UI/Reporting: Syncfusion, DevExpress, Crystal Reports, RDLC, Bold Reports • Architecture: Clean Architecture, Microservices, REST APIs, SOA, JWT, OAuth2, Swagger Available as a solo contributor or as part of your remote team. I use AI-assisted development (GitHub Copilot, Claude) to accelerate delivery without compromising code quality.

🚀 Senior Full-Stack .NET & Blazor Developer | 6,000+ Hours | 100% Job Success I help businesses build scalable, secure, and high-performance applications using .NET Core, Blazor, Angular, and WPF/UWP for desktop. With 10+ years of experience, 6,000+ billed hours, and a 100% Job Success Score, I focus on delivering reliable solutions that reduce technical debt, improve performance, and support long-term growth — across web, desktop, and cloud-connected systems. I don't just write code — I help translate business requirements into clean, maintainable, production-ready systems. 💡 What I Can Help You With ✔ Full-Stack Web Application Development (.NET Core + Angular/Blazor) ✔ Desktop Applications (WPF, UWP) — including offline-capable & cloud-sync systems ✔ RESTful API Development & Integration ✔ Enterprise Admin Panels & Dashboard Systems ✔ SaaS Platforms & Subscription Systems ✔ E-commerce & Payment Integration (Stripe, SaferPay, TransferWise) ✔ Cloud Deployment (AWS & Azure) ✔ Application Performance Optimization ✔ Long-Term Maintenance & Support 🛠 Technical Expertise Backend ✔ .NET Core / .NET 6-7 / ASP.NET MVC ✔ C# ✔ Web API ✔ Entity Framework / LINQ ✔ SQL Server / SQLite / MongoDB / CosmosDB Desktop ✔ WPF ✔ UWP (including self-built apps published on the Microsoft Store) Frontend ✔ Angular 8+ ✔ Blazor (WASM & Server) ✔ JavaScript / jQuery Reporting & Tools ✔ SSRS / Crystal Reports / Custom Web Reports ✔ DevExpress Cloud & DevOps AWS: EC2, Route53, CodePipeline, CodeDeploy, CloudFront, Load Balancer Azure: Active Directory, Azure AD B2C, Social Authentication CI/CD & Deployment Automation 📈 Why Clients Work With Me ✅ 6,000+ Upwork Hours ✅ 100% Job Success ✅ Strong Communication & Fluent English ✅ Cost-Efficient & High-Quality Delivery ✅ Long-Term Collaboration Focus ✅ Clean, Scalable Architecture I prioritize clear communication, structured planning, and delivering projects on time — whether it's a small feature enhancement or a full SaaS/ERP platform. If you are looking for a dependable full-stack .NET developer who understands both business logic and technical architecture, let's discuss your project. Thank you, Vinod S.

Results are common, but satisfaction is a rare skill. I'm a professional .Net developer with over 12 years of experience in .NET ecosystem 🎯 12 Years of Expertise in the .NET Ecosystem 🏆 100% Job Success on Upwork 👨‍💻 My Technical Skills Include: 🔹 Programming Languages: C#, VB.Net 🔹 Web Development: ASP.NET MVC, Web Forms, Razor, .NET Core, Web API, Web Services 🔹 Desktop Applications: WinForms 🔹 Front-End Development: HTML, JQuery, JavaScript, Ajax, React.js, BootStrap, Tailwind CSS 🔹 ORM Tools: Entity Framework, Dapper, ADO.NET 🔹 Databases: MS SQL Server, MySQL 🔹 Report : RDLC, RPT, SSRS 🔹 Version Control: GitHub, Azure DevOps 🔹 Project Management Tools: Jira, Asana, Trac 🔹 Other Tools: SSIS, AWS, S3 , Microsoft Blob 🎯 I excel in troubleshooting and debugging: My extensive experience across various applications has sharpened my ability to identify and resolve complex issues efficiently. 🛠️ Meticulous and Detail-Oriented: I approach every project with patience and a thorough eye for detail, ensuring precision in every task. ⏳ Flexible Software Services: From quick one-hour tasks to full-time engagements and long-term collaborations, I offer tailored software solutions that meet diverse client needs. 📝 Responsibilities: 🔹 Clearly define project details and requirements 🔹 Interpret and translate business needs into technical solutions 🔹 Deliver quality technical solutions 🔹 Develop high-fidelity wireframes 🔹 Strategize and plan projects effectively 🔹 Advocate for stakeholders throughout the project lifecycle 🔹 Lead and manage projects to successful completion 💬 If you have any project development needs, I would be delighted to discuss them with you. With my extensive experience in development, I can be your one-stop solution for all your requirements. 👋 Thank you and regards, Biren Mistry

Are you looking for a reliable ASP.NET Core developer who can build, optimize, and troubleshoot real-world applications? I help businesses develop secure, scalable, and production-ready solutions using ASP.NET Core, Angular, SQL Server, and modern API integrations. With 8+ years of professional experience, I specialize in backend development, REST APIs, third-party integrations, and performance optimization. Whether you need a new application, API integration, bug fixes, or system improvements, I can help deliver reliable and maintainable solutions. 🔹 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝐈 𝐏𝐫𝐨𝐯𝐢𝐝𝐞 ✔ ASP.NET Core Web API & MVC Development ✔ Angular Development & Frontend Enhancements ✔ SQL Server Design, Optimization & Performance Tuning ✔ API Integration & Troubleshooting ✔ Stripe Integration (Payments, Subscriptions, Webhooks) ✔ Third-Party Integrations (Twilio, SendGrid, Payment Gateways) ✔ Authentication & Authorization (JWT, Identity) ✔ Deployment & Production Support (IIS, Azure) 🔹 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 ✔ ASP.NET Core, C#, Web API, MVC ✔ Angular, TypeScript, JavaScript ✔ SQL Server, EF Core, Dapper ✔ REST APIs & Third-Party Integrations ✔ Clean Architecture, CQRS, SOLID Principles ✔ Secure Application Design & Best Practices I focus on delivering clean, maintainable, and scalable solutions that support long-term business growth. My approach combines strong technical expertise, clear communication, and a commitment to quality. Available for ongoing development, API integrations, troubleshooting, and urgent fixes. Send me a message with your requirements, and I'll be happy to discuss the best solution for your project.

Hello! 👋 I’m an experienced IT professional with 10+ years of hands-on expertise in designing and developing scalable, high-performance web applications using Microsoft .NET technologies. My core strengths lie in ASP.NET MVC, .NET Core, API development, and full-stack web solutions tailored for eCommerce and enterprise needs. 🔧 Tech Stack & Expertise: ✔ Backend: ASP.NET MVC 4/5, .NET Core, Web API, WCF, Azure Functions, Worker Services ✔ Frontend: Razor Views, KnockoutJS, AngularJS, JavaScript, jQuery, DevExpress, Telerik UI ✔ ORM & Data: Entity Framework (EF 6, EF Core), LINQ, Dapper, linq2db ✔ Databases: SQL Server, MySQL, PostgreSQL, Azure SQL ✔ eCommerce: nopCommerce (Certified Developer), Shopify API, WooCommerce API ✔ Cloud: Azure Blob Storage, Azure Functions, Amazon S3 ✔ Tools: Git, TFS, Postman, Swagger, SignalR 🛒 I bring solid domain experience in eCommerce, Procurement, and Enterprise Web Apps, with a track record of delivering clean, maintainable code on time. I’ve built everything from custom nopCommerce plugins and backend APIs to RESTful integrations with third-party platforms. 🔄 Always ready to learn and grow, I stay current with modern .NET tools and best practices to ensure quality and performance. Let’s collaborate to turn your vision into a working solution!