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SDE DRILLFull-Stack & AI
FULLSTACK SDE & AI APPLICATION PLAYBOOK

System Revision Playbook for Fullstack JS/TS Developers

A distraction-free, stage-wise revision curriculum designed to rapidly refresh runtime internals, system design trade-offs, CS fundamentals, and AI engineering before high-stakes senior interviews.

Launch Practice Dashboard→Explore Curriculum (50 Questions)↓
0 of 50 Topics Completed (0%)
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0 of 46 P0 Must-Know Mastered
Curated Roadmaps

Five Specialized Preparation Domains

Explore all 50 topics in Dashboard→
Phase 122 topics

Frontend, React & JS Fundamentals

JavaScript runtime, async event loop, React Fiber & reconciliation, hooks, performance on low-end devices, machine coding & frontend DSA.

0/22 done (0%)Drill Track→
Phase 213 topics

Backend, Node.js & System Design

Node.js libuv architecture, streams, REST API contracts, JWT rotation, MongoDB indexing, idempotent webhooks & system design.

0/13 done (0%)Drill Track→
Phase 3 · Coming SoonRoadmap

Personalized Resume Drill (AI Grilling Engine)

Upcoming LangChain & LangGraph multi-agent pipeline that parses your uploaded resume and generates targeted scenario questions anchored to your real projects and scale.

LangGraph PipelineView Roadmap→
Phase 411 topics

CS Core: DBMS, OS, Networking & Diagrams

ACID & isolation levels, Linux processes & memory, HTTP/TLS/CORS, SOLID principles, 10 ER diagrams and UML class/sequence blueprints.

0/11 done (0%)Drill Track→
Phase 5 · AI Track4 topics

AI Engineering: Agents, RAG & LangGraph

Autonomous ReAct loops, Hybrid RAG with cross-encoders, stateful LangGraph multi-agent graphs, prompt caching and production trade-offs.

0/4 done (0%)Drill Track→
Revision Architecture

Built for Engineering Depth & Fast Recall

Every topic is prepared using a structured mental model so you can defend your technical decisions naturally in technical rounds.

01

The Gist

Understand the concept in plain English before memorizing terminology.

02

How It Works

Internal mental models, call stacks, Fiber nodes, and event loop phases.

03

Practical Code

Clean TypeScript, Node.js, and SQL blueprints with colorful syntax highlighting.

04

30–90s Pitch

A crisp, natural interview-ready answer you can deliver concisely.

05

Resume Anchor

Ground concepts directly in your Flipkart and Probo production experience.

06

Trade-offs & Gotchas

Avoid critical production bugs, race conditions, and common anti-patterns.

07

Visual Blueprints

Interactive Mermaid diagrams for ER schemas, sequence flows, and architectures.

08

Curated Readings

Direct pointers to GreatFrontend, ByteByteGo, DDIA, and LangGraph.