Development Notes

System Design — Fundamentals

Scalability, load balancing, caching, databases, CAP theorem, microservices, and distributed systems.

REST API Design

API design principles, HTTP methods, status codes, versioning, authentication, and documentation.

SQL — Complete Reference

DDL, DML, DQL, joins, indexes, transactions, normalization, and query optimization techniques.

Git & Version Control

Git fundamentals, branching strategies, merge vs rebase, GitHub workflows, and CI/CD basics.

Docker — Containers & Compose

Containerisation concepts, Dockerfile, Docker Compose, networking, volumes, and registry usage.

Data Structures & Algorithms

Arrays, linked lists, trees, graphs, sorting, searching, and complexity analysis — for interviews and study.