$ whoami
thepointman.dev_
Pratheek Unni
Senior software engineer. I write the kind of technical content I wish existed when I was learning — no hand-waving, no incomplete examples, no marketing fluff.
What you'll find here
Where to start
Java & Spring Boot
Spring Boot from first principles — dependency injection, auto-configuration, and the full production stack.
Take the course →Philosophy
Good engineering writing is rare. Most content either stops at “hello world” or drowns you in abstraction without showing the code. This site tries to live in between: complete, working examples with real explanations of why they work.
Every course and write-up shows the full implementation, discusses complexity, and explains the tradeoffs. When I say “O(n log n)”, I mean it — and I'll show you why.