Gui Ferreira
I help developers work simpler, move faster, and keep quality high.
Improve your AI .NET code output with AGENTS.md
You’re Not Writing DRY Code, You’re Just Confused
Stop Wasting Time: Let Cursor AI Plan & Execute for You
Simple Problem ≠ Simple Solution
If Your Integration Tests FEEL Impossible to Debug, Watch This!
Still Writing Using Statements in Every File? Why?
This SIMPLE Image Trick Eliminated 40% of My Website's Load Time
Why Most .NET Developers Don't Need MediatR
Why OSS Going Commercial is Actually a GREAT Opportunity
I Rebuilt My Entire Website in 2 Days (The Minimalist Way)
Long Polling is Underrated - Here's Why It's Brilliant
MIND Principles: Write Code Easy to Test
Microsoft Just Replaced VSTest and Most .NET Developers Missed It
Why Caching Isn't as Easy as It Looks
How I Built a React UI on Top of My .NET RAG API (using Cursor AI)
Every Backend Dev Goes Through These 3 Phases
Cursor 1.0 Just Got Personal – and I Love It
Why This Tiny .NET 10 Change Is a Big Deal?
How to Use Embeddings with Postgres (Surprisingly Easy)
What If You Never Had to Install a Full Package Again?
How I Built a RAG App in .NET (Using Azure AI in Minutes)
5 SQLite Features You Never Knew About!
How This .NET Developer Built a Successful macOS App in 30 Days (With ZERO Swift Experience)
Building a macOS App as a .NET Developer - Full Conversation with Amichai Mantinband
4 Ways to Culture-Proof Your C# xUnit Tests | Never Break Your Pipeline Again!
You NEED to change this on your xUnit Integration Tests
.NET 💔 OSS
How to INSTANTLY Improve Your Tests With xUnit v3 CancellationTokens
Understand Any Project in Minutes with Cursor
This is the Skill you NEED as a software engineer