Sukhpinder Singh – Medium

Sukhpinder Singh

he/him

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Mastering Software Architecture: 11 Key Design Patterns Explained

Mastering Software Architecture: 11 Key Design Patterns Explained

A book meticulously curated resource that empowers developers to master the art of design patterns.

2024

Sukhpinder Singh

Sukhpinder Singh

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.Net Programming

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Sukhpinder Singh

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Aug 24, 2025

From 400ms to 40ms: Optimizing .NET 9 Minimal APIs for Real Speed

I profiled our API down to the line — and removed layers that made it 10× slower. This post walks through every fix, from middleware…

From 400ms to 40ms: Optimizing .NET 9 Minimal APIs for Real Speed

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.Net Programming

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Sukhpinder Singh

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Aug 29, 2025

They Laughed at My “No JWT” Rule — Until Our Breach Post‑Mortem Went Viral (for the Right Reasons)

Everyone told us we needed OAuth2 and signed tokens. We used mutual TLS, internal claims binding, and a little-known header signing trick…

They Laughed at My “No JWT” Rule — Until Our Breach Post‑Mortem Went Viral (for the Right Reasons)

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.Net Programming

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Sukhpinder Singh

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Mar 14, 2025

100 Expert C# Tips to Boost Your Coding Skills

I’ve compiled a list of 100 tips that have helped me write cleaner, more efficient, and maintainable code. Let me take you through these…

100 Expert C# Tips to Boost Your Coding Skills

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Write A Catalyst

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Sukhpinder Singh

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Feb 7, 2025

17 Tips from a Senior .NET Developer

10 years in .NET development have taught me more than just writing clean code.

17 Tips from a Senior .NET Developer

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Write A Catalyst

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Sukhpinder Singh

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Sep 7, 2024

If You Can Answer These 7 Concepts Correctly, You’re Decent at .NET

Perfect for anyone wanting to prove their .NET expertise!

If You Can Answer These 7 Concepts Correctly, You’re Decent at .NET

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Devs Community

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Sukhpinder Singh

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3d ago

How I Refactored a 10-Year-Old C# Codebase in 3 Days (Without Breaking Prod)

A field-tested roadmap to building internal .NET SDKs that keep legacy apps — and your sanity — alive.

How I Refactored a 10-Year-Old C# Codebase in 3 Days (Without Breaking Prod)

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.Net Programming

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Sukhpinder Singh

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4d ago

Day 2: Pre-allocate Like a Pro

Capacity & Performance with C# 15 with()

Day 2: Pre-allocate Like a Pro

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.Net Programming

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Sukhpinder Singh

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4d ago

Cross-Region .NET Microservices with AWS App Mesh and ECS Fargate

What It Took to Build a Distributed App That Stays Fast — Everywhere.

Cross-Region .NET Microservices with AWS App Mesh and ECS Fargate

In

.Net Programming

by

Sukhpinder Singh

·

Jul 2

Day 1: C# 15 Collection Expressions Just Got Superpowers — with(…)

Meet the new with(…) syntax that lets you pass capacity, comparers, and more directly inside the brackets.

This image was created using an AI image creation program

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.Net Programming

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Sukhpinder Singh

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Jun 26

I Am Behind on C# 14 Features, and I Can’t Prove It But Does It Matter?

I saw the release notes. I bookmarked the articles. I even watched the talk. But my production code still looks suspiciously like C# 12.

I Am Behind on C# 14 Features, and I Can’t Prove It But Does It Matter?

Sukhpinder Singh

Sukhpinder Singh

he/him

Book Author

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C# .Net developer 👨‍💻 who's 100% convinced my bugs are funnier than yours. 🐛💥 #BugLife Pubs: https://medium.com/c-sharp-programming

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