Microsoft Secure & Scalable API Development with .NET

About this course

Build practical back-end development skills with .NET and learn how to create secure, scalable, and high-performing APIs for modern applications. This Professional Certificate helps you understand the complete API development lifecycle—from building APIs with ASP.NET Core to implementing authentication, improving performance, and scaling applications for real-world use cases. You’ll start by learning .NET architecture, C# fundamentals, API routing, dependency injection, middleware, serialization, and OpenAPI integration. As you progress, you’ll develop skills in authentication and authorization using ASP.NET Identity, JSON Web Tokens (JWT), role-based access control, encryption, and secure data handling practices. The program also introduces performance optimization concepts including caching strategies, database query optimization, distributed systems, load balancing, and scalable application architecture. Throughout the certificate, you’ll use Microsoft Copilot to accelerate coding, debugging, optimization, and secure development workflows. By the end of the program, you’ll be able to develop and secure APIs, optimize application performance, implement scalable architectures, and apply modern development practices used by back-end engineers. This program is designed for aspiring back-end developers, software engineers, and learners interested in API development and application security. No prior programming experience is required.