Live & interactive
90 minutes with live demos — not a pre-recorded dump.
Why this session
What you’ll walk away with
Clear outcomes — not vague “intro to X”. Use these points in interviews and on the job.
- Understand SOLID principles and their importance in software development.
- Understand the fundamentals of clean code and software design.
- Identify tightly coupled and loosely coupled code.
- Understand high cohesion and low cohesion.
- Understand the Separation of Concerns (SoC) principle.
- Identify common software design problems.
- Understand the importance of maintainable and scalable applications.
- Understand the relationship between SOLID principles and design patterns.
- Understand how SOLID principles are applied in ASP.NET Core Web API.
- Understand Dependency Injection and abstraction.
- Identify design problems in real-world applications.
- Understand the architecture of enterprise-level .NET applications.
Benefits
What you will gain
Concrete benefits of showing up live — not another forgotten bookmark.
Clear mental models
Explain the topic in interviews without rambling — structure, trade-offs, and vocabulary.
Production patterns
See how real teams implement this — not toy slides. Copy the checklist into your next PR.
Live Q&A access
Ask what you’re stuck on. Get answers while the mentor is building on screen.
Next-step roadmap
Leave with a 7-day practice plan on Toolliyo — tutorials, coding, and mocks.
Certificate proof
Shareable PDF + verify link for LinkedIn and your resume.
Recording access
Registrants unlock the YouTube replay when the host publishes it.
Credential
Earn a free Toolliyo certificate
Complete this live master class and get a shareable credential — PDF for LinkedIn/resume plus a public verify link with your unique ID.
- Free with registration & completion
- PDF download for LinkedIn & resume
- Verifiable online with credential ID
- Shows session title & completion date
Sample
Certificate of Achievement
Your Name
Complete SOLID Principles in ASP.NET Core Web API | Free Masterclass with Real-World Projects
Preview — your name & ID appear after completion
Deep dive
About this master class
Complete SOLID Principles in ASP.NET Core Web API – Free Masterclass
In this masterclass, you will learn how to apply all five SOLID Principles in ASP.NET Core Web API development with practical coding examples, industry-standard architecture, and real-world project implementations.
We won't just learn theory. We will understand WHY SOLID principles matter, WHEN to use them, and HOW to implement them in real enterprise-level applications.
What You Will Learn
- Understand SOLID principles from beginner to advanced level.
- Single Responsibility Principle (SRP).
- Open/Closed Principle (OCP).
- Liskov Substitution Principle (LSP).
- Interface Segregation Principle (ISP).
- Dependency Inversion Principle (DIP).
- Implement SOLID principles in ASP.NET Core Web API.
- Understand dependency injection and interface-based programming.
- Write clean, reusable, loosely coupled, and maintainable code.
- Refactor tightly coupled code into clean architecture.
- Apply repository and service patterns.
- Understand practical enterprise application architecture.
- Follow professional coding standards and best practices.
Real-World Project Examples
Throughout this masterclass, we will explore practical examples based on real-world application scenarios:
- E-Commerce Management System – Product management, order processing, payment services, and notification services.
- Banking Application – Account management, transaction processing, and multiple payment strategies.
- Employee Management System – Employee services, reporting, and role-based operations.
- Notification Management System – Email, SMS, and push notification implementations using SOLID principles.
- Payment Gateway Integration – Implement multiple payment providers using loosely coupled architecture.
- Library Management System – Book management, borrowing, and member services.
Who Should Take This Course?
- Beginners learning ASP.NET Core Web API.
- .NET developers who want to improve their coding skills.
- Software developers preparing for .NET interviews.
- Developers interested in clean architecture and design patterns.
- Anyone who wants to build enterprise-level ASP.NET Core applications.
Why Learn SOLID Principles?
SOLID principles help developers build software that is easier to maintain, extend, test, and scale. These principles are essential for writing professional-quality applications and becoming a better software engineer.
Start learning SOLID principles today and take your ASP.NET Core Web API development skills to the next level – completely free!
Course Tags
#ASPNETCore #WebAPI #SOLIDPrinciples #DotNet #CSharp #CleanCode #SoftwareArchitecture #DotNetDeveloper #FreeCourse
Live agenda
Session flow
How we’ll spend the 90 minutes — so you know exactly what to expect.
-
1
SOLID Principles in ASP.NET Core Web API
Understand why SOLID principles are important, how they improve software design, and how we will apply them in real-world ASP.NET Core Web API projects.
- 1.1 Introduction to SOLID Principles
- 1.2 What Are SOLID Principles?
- 1.3 History of SOLID Principles
- 1.4 Who Introduced SOLID Principles?
- 1.5 Why Do We Need SOLID Principles?
- 1.6 Problems with Traditional Software Development
Stack
Tools & topics covered
Fit check
Who this is for
Perfect if you…
- Want live clarity, not another 4-hour playlist
- Are preparing for interviews or a real project
- Learn faster by watching someone build & explain
- Match the audience: Dot Net Developers
Prerequisites
- Basic knowledge of C# programming.
- Understanding of Object-Oriented Programming (OOP).
- Knowledge of classes, objects, methods, and properties.
- Basic understanding of inheritance and polymorphism.
- Basic knowledge of interfaces and abstraction.
- Basic understanding of ASP.NET Core Web API.
- Familiarity with Visual Studio or Visual Studio Code.
- Basic knowledge of REST API concepts.
Mentor
Learn from someone who’s shipped it
Toolliyo Mentor
12+ years of experience
Senior Full Stack Developer | Software Architect | .NET & React Specialist |
FAQ
Before you register
Yes — registration is ₹0. You need a free Toolliyo account so we can show your join link securely.
After you register, the join link appears on this page and under My Master Classes once the host publishes it (usually before the session).
When a YouTube recording is published for registrants, it unlocks on this page. Register even if you might miss live — you’ll still get access when it’s ready.
Yes — after you complete the session, you can receive a free certificate from Toolliyo.
