AI Course
CP-01 · Start Here
AI Foundations for Developers: The Mental Model You Actually Need
Prepflix Blog — Free DSA, System Design & Interview Prep Articles
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AI Engineering for Software Developers
10 checkpoints · 36 hours · Real code · Ship AI features
AI Course
CP-02 · Code-Heavy
LLM APIs: The Complete Developer Guide — OpenAI, Anthropic, Gemini
AI Course
CP-03 · Most Important
Prompt Engineering for Developers: Write Prompts That Actually Work
AI Course
CP-05 · Build Something
Building LLM-Powered Features: The 5 Patterns Every Developer Needs
AI Course
CP-06 · Intermediate
Embeddings & Semantic Search: Build Search That Understands Meaning
AI Course
CP-08 · Advanced
Most Asked
RAG Systems: The Pattern That Makes LLMs Useful for Your App
AI Course
CP-08 · Advanced
AI Agents: Give Your LLM the Ability to Act, Not Just Talk
AI Course
CP-04 · Intermediate
Structured Outputs: Using LLMs to Extract Data You Can Actually Use
AI Course
CP-09 · Advanced
Production AI: Deploying, Monitoring, and Scaling LLM Features
AI Course
CP-10 · Most Asked
AI App Architecture: System Design for AI-Powered Products
AI Roadmap
Start Here
The ML Mental Model Every SDE Needs Before Touching AI
AI Roadmap
Most Asked
Build a RAG System from Scratch — The Complete Guide for Software Engineers
AI Roadmap
Module 1
Math for AI: Linear Algebra, Calculus & Probability — Complete Visual Guide
AI Roadmap
Module 2
Python for Machine Learning: NumPy, Pandas, Matplotlib & Scikit-learn — Complete Guide
AI Roadmap
Module 3
Classical Machine Learning: From Linear Regression to XGBoost — Complete Guide
AI Roadmap
Module 4
Deep Learning Fundamentals: Neural Networks, Backpropagation & PyTorch — Complete Guide
AI Roadmap
Module 5
Computer Vision: OpenCV, CNN Architectures, YOLO & GANs — Complete Guide
AI Roadmap
Module 6
NLP & Transformers: Word Embeddings, BERT, GPT, RAG & AI Agents — Complete Guide
AI Roadmap
Module 7
Generative AI & LLMs: Architecture, Prompt Engineering, LoRA & Production Apps
AI Roadmap
Module 8
MLOps & ML Deployment: MLflow, FastAPI, Docker, CI/CD & Cloud — Complete Guide
AI Roadmap
Module 9
AI System Design Interview: Designing ML Systems at Scale — Complete Guide
AI Roadmap
Module 10
AI & ML Interview Prep: Top 50 Questions, Coding, Behavioral & Mock Strategy
System Design
Pre-Class
Class 11 Pre-Class: Design WhatsApp + Kafka Deep Dive
System Design
Post-Class
Class 10 Post-Class: Extend URL Shortener with Custom Alias + Real-Time Analytics
System Design
In-Class
Class 10 In-Class: URL Shortener Full Walkthrough — DB Design, Caching, Scaling & Trade-offs
System Design
Pre-Class
Class 10 Pre-Class: URL Shortener Interview Mastery + Redis Deep Dive
System Design
Post-Class
Class 9 Post-Class: Design a URL Shortener — Complete 7-Phase System Design Walkthrough
System Design
In-Class
Class 9 In-Class: 7-Phase Framework, Estimation Practice, API Design Templates & HLD Worked Examples
System Design
Pre-Class
Class 9 Pre-Class: System Design Interview Framework — 45-Minute Blueprint, Must-Know Topics & Scoring Rubric
System Design
Post-Class
Class 8 Post-Class: Distributed Systems Quiz (30 Questions) + Strong vs Eventual Consistency
Career Guide
HOT · Apr 2026
Beyond FAANG: 20+ Companies That Pay Exceptionally Well and Are Actively Hiring in 2026
Career Guide
Must Read
How to Switch from Service Based to Product Based Company in India (2026 Guide)
System Design
In-Class
Class 8 In-Class: Partitioning, Replication, Failures & CAP Trade-offs
System Design
Pre-Class
Class 8 Pre-Class: Distributed Systems — Locks, Leader Election & Raft Consensus
System Design
Post-Class
Class 7 Post-Class: Queues Quiz (30 Questions) + Design a Notification System
System Design
In-Class
Class 7 In-Class: Queues, Pub/Sub, Retries, DLQ & Event-Driven Architecture
Free Training
From TCS/Infosys to Google, Microsoft or Apple — here's the exact roadmap.
Watch a free 30-min training. 1,572+ engineers placed · 4.9★ rated · No sign-up needed.
System Design
Pre-Class
Class 7 Pre-Class: Async Messaging & Queues — Kafka, Pub/Sub & Delivery Guarantees
System Design
Post-Class
Class 6 Post-Class: Caching Quiz + Design Instagram Feed Cache
System Design
In-Class
Class 6 In-Class: Cache Patterns, Invalidation, Hot Key Problem & CDN
System Design
Pre-Class
Class 6 Pre-Class: Caching — Cache Patterns, Eviction Policies & CDN
System Design
Post-Class
Class 4 Post-Class: Design the Complete API for a URL Shortener
System Design
Post-Class
Class 5 Post-Class: Database Quiz (30 Questions) + E-Commerce DB Design Exercise
System Design
In-Class
Class 5 In-Class: DB Trade-offs, Read/Write Architectures & Partitioning
System Design
Pre-Class
Class 5 Pre-Class: Data Storage — SQL vs NoSQL, Indexing, Replication & Sharding
System Design
In-Class
Class 4 In-Class: LB Algorithms, Anycast Routing, Idempotency & API Data Formats
System Design
Pre-Class
Class 4 Pre-Class: Load Balancing & API Fundamentals — REST, GraphQL & gRPC
System Design
Pre-Class
Class 3 Pre-Class: Networking Fundamentals — OSI, IP, TCP vs UDP & HTTP/HTTPS
System Design
In-Class
Class 3 In-Class: DNS Deep Dive, Proxy vs Reverse Proxy & Full Request Lifecycle
System Design
Post-Class
Class 3 Post-Class: Complete Networking Quiz (30 Questions) + Request Lifecycle Exercise
System Design
Pre-Class
Class 2 Pre-Class: Core Concepts — Scalability, Availability, Reliability & SPOF
System Design
In-Class
Class 2 In-Class: Latency, Throughput, Consistent Hashing & CAP Theorem
System Design
Post-Class
Class 2 Post-Class: Consistency Models Deep Dive + 30-Question Quiz
System Design
Pre-Class
Class 1 Pre-Class: System Design Fundamentals — Top 30 Concepts
System Design
In-Class
Class 1 In-Class: System Design Foundations — Interviews, Requirements & Trade-offs
System Design
Post-Class
Class 1 Post-Class: WhatsApp Case Study — FR/NFR, Scalability & Reliability
Dynamic Programming
LeetCode 198: House Robber Explained (Step-by-Step DP)
