Hafiz Muhammad Sohaib J.

13 Years of Experience 100% Client feedback 2400+ hours on Upwork I am a seasoned Full-Stack Developer with over 13 years of experience specializing in C#, ASP.NET Core, MVC, Azure, AWS, DevOps, and modern web and mobile application development. My expertise spans a diverse range of technologies, including ReactJS, React Native, Angular, WPF .NET Core, APIs, JavaScript, SQL Server, Azure Cloud Services, Microservices, and Identity Server, among others. ✅ Professional Achievements I have successfully delivered numerous projects for enterprise clients on Upwork and other platforms, consistently earning excellent feedback for achieving project objectives and ensuring client satisfaction. Technical Expertise Microsoft Technologies: .NET / .NET Core, ASP.NET MVC, WebForms, WCF, Web API, Entity Framework, and ORMs. Frontend Development: ReactJS, Angular, JavaScript, jQuery, jQuery UI, Bootstrap. Mobile Development: React Native for cross-platform mobile applications. Cloud Services: Azure Cloud Services, AWS (Amazon Web Services), Azure DevOps. Database Management: SQL Server (Advanced features: SSIS, Broker Services), Oracle, MySQL, PostgreSQL. DevOps & Deployment: CI/CD Pipelines, Docker, Nginx proxy configuration. Other Expertise: Radis Cache, Keycloak, Swagger, Identity Servers, OAuth 2.0 (JWT access tokens). Desktop Applications: WinForms, WPF, RDLC, Crystal Reports, Telerik Reports. Tools & Frameworks: Git, MSI and WiX Installers, Infragistics, Syncfusion, Telerik Controls. APIs & Payment Gateways: PayPal, Stripe, Apple Pay, Google Pay, Google Maps API. Project Management Tools: TFS, JIRA, Trello, ClickUp, Confluence. ✅ Specialized Skills Expertise in building scalable web applications with ReactJS, Angular, and ASP.NET Core. Proficiency in developing cross-platform mobile applications using React Native. Payment gateway integration with services like PayPal and Stripe. Experienced in designing user flows, requirements analysis, and leading teams of 10+ members. Strong ability to quickly adopt and implement new technologies with high efficiency. My comprehensive skill set and proven experience enable me to handle complex projects across web, mobile, and desktop platforms while ensuring high-quality deliverables and client satisfaction. I am passionate about delivering solutions that meet and exceed expectations.