Caching Strategies, Explained Like You're Building It Yourself
A cache is a small, fast place where you keep copies of things you’ll probably need again soon. Think about your kitchen. Your rice, spices and oil live in the pantry, but the salt …
2026
Timeouts, Retries, and Backoff with Jitter
Have you ever wondered when one service calls to another service and you get no response back? its hard to tell of the other side is slow , dead or message got lost. These are 4 …
Things I've Read and Love to Share
Over the past months I’ve been collecting the second kind: proverbs from every corner of the world, lines from old novels, letters, small poems, and sentences that made me put my …
System Design Terms, Explained the Way I'd Explain Them to a Friend
Early in my career I’d hear a term in a design review, nod, and Google it under the table. Plenty of us do this. The vocabulary sounds scarier than the ideas behind it. So here’s …
Design Patterns Finally Made Sense When I Stopped Reading the Textbook
I’ll be honest: the first time I opened a design patterns book, I closed it twenty minutes later. Words like “Flyweight” and “Visitor” sounded like they belonged in a medieval …
Mutexes and Semaphores
The first time I ran into a race condition, I spent an entire afternoon convinced my computer was broken. My program counted things. Sometimes the count was right, sometimes it was …
Your connection pool is too big or too small.
A few years ago I had an API that got slower and slower as traffic went up, which is normal, except the database was sitting at about 20% CPU the whole time. I stared at query …
Where Does Your Login Live? JWT vs Sessions
Ask which one to use and you’ll get two confident camps yelling past each other. Most of the disagreement comes from people comparing them without first being clear on what each …
Software Architect (Architecture Characteristics) Part 2
Process architectural characteristics describe where the software development process intersects with architecture. They reflect decisions that affect how easily the system can be …
Software Architect (Architecture Characteristics) Part 1
In software architecture, there are four dimensions. They are interconnected—think of a puzzle made up of small pieces. Each piece has a unique shape, and together they form a …
2025
Worker Threads vs. Child Processes: Making the Right Choice in Node.js
Early in my career when I first started working with Node.js, I loved how fast and event-driven it was. But then I hit a wall—what happens when my app needs to crunch a lot of …
Using Redis with Keyv in NestJS for Caching
Caching is essential for improving performance and reducing database load. With new update on the nestjs , there are few breaking changes modules. One of them is caching. They have …
Why You Can’t Stop Scrolling: The Algorithm Explained
Ever wonder why some posts on your social media feed feel like they were picked just for you? It’s not magic, it’s the algorithm at work, quietly learning your interests and …
Interface in Typescript
An interface in TypeScript is a powerful way to define the structure of an object. It acts like a contract within your code or a blueprint for an object. When you create an …
2024
Advanced Git Commands
In this article, we’ll dive into some of the most powerful and essential Git commands. Whether it’s managing changes, working with tags, rebasing commits, or debugging, these …
Binary Search Tree (BST)
Today I wanted to talk about Binary Search Tree (BST). Basically, a binary search tree is a data structure used in computer science for organizing and storing data in a sorted …
Design Patterns in software development
Design patterns are essential in software development because they provide proven solutions to common problems, making code easier to understand, reuse, and maintain. They help …
SOLID Principles
There are 5 SOLID Principles that is used in software development that helps the developers to maintain, test and extensible the code as it grows. Before we jump into know each of …
2019
Working with streams in NodeJS
What are Streams ? Streams are just collections of data that is sent in small chunks, and it also don’t have to fit in memory. Meaning, when dealing with big chunk of data either …