Writing on React, web performance, and the craft of building software.
One page per AWS service, updated as I actually use it in real projects: Amplify, Cognito, DynamoDB, Lambda, and whatever comes next. Reference notes, not tutorials, no fixed order.
Hands-on notes from building serverless systems on AWS: Lambda, API Gateway, DynamoDB, EventBridge, Step Functions, and the IAM/security model underneath them.
Low-level design case studies worked end to end: requirements, class diagrams, and the tricky engineering problems each one hides, paired with a real runnable project for every case study.