ASAbubakar Sohail
Portfolio

Engineering notes / field journal

Ideas sharpened in production.

Backend systems, architecture, AI workflows, and the small decisions that decide whether software stays calm under pressure.

Read latestRSS feed
Current signalProduction notes, not polished theory.

Short enough to scan. Useful enough to come back to.

6
Published
SEO
Indexed routes

Articles tagged system design

3 entries
Show all articles
01
Engineering30 Jul 20263 min read

Backpressure: The System Design Concept That Stops Fast Systems From Crashing

What happens when requests arrive faster than your system can process them? Learn how backpressure prevents growing queues, overloaded databases, retry storms, and system crashes.

  • System Design
  • Backpressure
  • Distributed Systems
  • Backend Engineering
  • Kafka
  • Scalability
  • JavaScript
  • Software Architecture
Read
02
Architecture10 May 20267–9 minutes read

The Complete AWS Request-Response Cycle: From URL to Frontend

A practical breakdown of what happens when a user opens a website hosted on AWS , from DNS resolution in Route 53 to CloudFront, load balancers, VPC networking, backend services, databases, APIs, and frontend rendering.

  • AWS
  • Cloud Computing
  • System Design
  • Backend Development
  • Full Stack Development
  • DevOps
  • Web Development
  • Microservices
  • Scalability
  • Cloud Architecture
Read
03
Engineering28 Apr 20263 min read

Scaling an MVC App to Millions of Users (What Actually Changes)

How I’d evolve a simple EC2 + RDS MVC app into a system that can handle millions of users, layer by layer, without overengineering too early.

  • system design
  • scalability
  • backend
  • architecture
  • aws
Read