EXPLAINER
3D Explainer
An animated 3D diagram builds the system piece by piece, with a step-by-step chapter bar so you always know where you are.
Your next episode is 2 minutes away.
Sign in to pick up where you left off.
Kubernetes, APIs, caching, Python, full-stack and GenAI, explained as animated vertical shorts. Each episode ends with a quick quiz and the exact answer to say in an interview.
Some ideas need a diagram. Some need a story. Some need a joke. Every topic comes in the format that makes it easiest to remember.
An animated 3D diagram builds the system piece by piece, with a step-by-step chapter bar so you always know where you are.
He's at his laptop, she's upset that her food order failed. He explains APIs with a restaurant waiter, and by the end she's smiling.
A TV-news parody where tech disasters are headline news. Caching becomes Amma's fridge, and Redis rushes in to save the day.
Every episode is short enough for a commute and complete enough to answer a real interview question.
A 2-minute animated short with narration in English or Telugu and subtitles.
A quick quiz right after the episode makes you recall it, not just watch it.
Each episode ends with an interview card: the sentence to say when asked.
"Today's 3" brings back questions from earlier episodes so they stay fresh.
"An API is a contract between two programs: the client sends a request in an agreed format, and the server sends back a response with data and a status code, such as 200 for success or 404 when nothing is found."
Start with the system-design basics that come up in every interview, then go deep on the stack you work in.
Kubernetes, APIs, caching and more system-design basics.
A complete course from basics to interview-ready, in 16 episodes.
Node.js, Next.js, NestJS and PostgreSQL.
LLMs, prompts, RAG and agents, explained simply.
Progress you can see, so ten minutes a day turns into a habit. It syncs across your phone and laptop.
Sign in to pick up where you left off.