How We Solved the On-Time Notification Delivery Problem at Scale
Scaling Real-Time Notifications with AWS Step Functions, Lambda, and RDS Proxy

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Scaling Real-Time Notifications with AWS Step Functions, Lambda, and RDS Proxy

How a 3-line Prisma query fired 1,847 database queries per request — and how we found, fixed, and prevented it from ever coming back.

When building backend systems, especially SaaS applications, handling background jobs correctly is critical. Whether it's sending emails, processing payments, or scheduling reminders, choosing the rig
Guide to Zero-Interruptions Deployment for Node.js on AWS EC2

Clearing the Confusion Around JavaScript Function Arguments
When we work with objects and arrays in JavaScript, we often need to copy data. But copying in JavaScript is not always as simple as it looks. Depending on the method you use, you may end up with shared references which can cause unexpected changes i...

Securely enabling outbound internet access from private subnets in AWS using NAT Gateway.

If you’ve been in frontend development over the last decade, you’ve heard the same question again and again: Why is React so popular, and what makes it better than traditional approaches? The short answer is Virtual DOM. But if you’ve only read the...

A developer’s guide to the most important AWS services every MERN stack engineer should master.
