20 Side‑Project Ideas for .NET Developers
The best way to level up is by building real apps👇
1. Personal Finance Tracker
2. Habit Streak Tracker
3. Workout Logger
4. To Do List
5. Weather Dashboard
6. Simple Blogging Platform
7. Mini Social Network
8. Photo Gallery
9. Online…
𝗜𝗻𝘁𝗲𝗿𝘃𝗶𝗲𝘄 𝗤𝘂𝗲𝘀𝘁𝗶𝗼𝗻 𝘁𝗵𝗮𝘁 𝗲𝘃𝗲𝗻 𝘀𝗲𝗻𝗶𝗼𝗿 𝗱𝗲𝘃𝘀 𝗼𝗳𝘁𝗲𝗻 𝗳𝗮𝗶𝗹
“What is the most important SOLID principle?”
Here is how I rank them by importance:
1️⃣ Single Responsibility Principle (SRP)
2️⃣ Dependency Inversion Principle (DIP)
3️⃣ Open-Closed…
𝗧𝗵𝗲 𝗰𝗼𝗱𝗶𝗻𝗴 𝗳𝗹𝗼𝘄 𝗲𝘀𝘀𝗲𝗻𝘁𝗶𝗮𝗹 𝗳𝗼𝗿 𝗲𝘃𝗲𝗿𝘆 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 𝗶𝗻 𝟮𝟬𝟮𝟱-𝟮𝟬𝟮𝟲
Most devs in 2025 will lose time fixing AI-generated bugs
If you've been experimenting with AI coding agents like Claude Code, Cursor CLI, or Gemini, you've probably…
What are the benefits of Clean architecture?
- Modularity
- Separation of concerns
- Testability of business logic
- Improved team productivity
- Loose coupling of components
There's no "right" way to build software.
You should decide what works for you.
Clean architecture…
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A simple guide for scaling web apps.
Here's my step-by-step approach to scaling applications.
I worked on a system with over 1 million users.
This is how we scaled the system to handle that amount of traffic.
1) Start simple
The application started as a monolith. One API…
𝗦𝗢𝗟𝗜𝗗 – 𝘁𝗵𝗲 𝗼𝗻𝗹𝘆 𝗿𝗼𝗮𝗱𝗺𝗮𝗽 𝘆𝗼𝘂 𝗻𝗲𝗲𝗱 𝘁𝗼 𝗯𝘂𝗶𝗹𝗱 𝗯𝗲𝘁𝘁𝗲𝗿 𝘀𝗼𝗳𝘁𝘄𝗮𝗿𝗲
Whether you write in C#, Java, TypeScript, or any other language - these rules make your codebase better.
𝗦ingle Responsibility - One job. One reason to change
𝗢pen /…
Offset pagination works OK for small datasets.
For large datasets, use this instead:
It's called 𝗞𝗲𝘆𝘀𝗲𝘁 𝗽𝗮𝗴𝗶𝗻𝗮𝘁𝗶𝗼𝗻 or 𝘀𝗲𝗲𝗸-𝗯𝗮𝘀𝗲𝗱 𝗽𝗮𝗴𝗶𝗻𝗮𝘁𝗶𝗼𝗻 and is a much more efficient way to paginate through a large dataset.
The problem with Offset…
Why do most backend engineers struggle with interviews?
It’s not because they’re bad at coding.
It’s because they focus on the wrong preparation.
Here’s a better way to prepare for backend interviews 👇
If you're a .NET dev, think twice before rolling your own auth.
For most apps, ASPNET Core Identity gives you everything you need out of the box:
- User registration and login
- Password hashing and refresh tokens
- Role- and claim-based authorization
- External logins (Google,…
SQL performance myth:
- Claim: ‘filter early, then join’ improves performance
- Bad vs ‘optimized’ queries have the same execution plan
- Cost‑based optimizer already pushes filters & orders joins
Lesson: trust the optimizer & use EXPLAIN ANALYZE before rewriting queries
What is RBAC, and how does it help with authorization?
RBAC stands for Role-Based Access Control.
Here’s the basic idea:
• Roles have permissions
• Users get roles
• Permissions control what users can do
It’s simple. But powerful.
Still, roles alone can feel too broad.…
Copilot isn’t just autocomplete—it’s your new coding partner.
Microsoft shares 5 must-steal prompts for #dotnetdevs to boost productivity, debug smarter, and refactor like a pro 💡
Blog: msft.it/6013s3ACZ
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