Low Level Design Interview Prep

Low-Level Design interviews test your ability to convert real-world problems into clean, maintainable, and extensible code. This session will help you strengthen your OOP, design patterns, and coding structure to confidently tackle LLD interviews.

🔹 What you’ll get in this session:

• Framework to approach LLD questions step by step
• Deep dive into OOP principles (SOLID, abstraction, encapsulation, inheritance, polymorphism)
• Practice designing real-world problems such as:
• Parking Lot System
• BookMyShow / Movie Ticket Booking
• Elevator System
• Splitwise
• Food Delivery App
• Guidance on applying design patterns (Singleton, Factory, Observer, Strategy, etc.)
• Mock LLD interview simulation with personalized feedback
• Tips on writing production-quality, extensible code during interviews

🔹 Who is this for?

• Engineers preparing for FAANG and product-based company interviews
• Developers looking to strengthen OOP & design fundamentals
• Professionals transitioning to system/tech lead roles

🔹 Format Options:

• 45 min session → LLD Deep Dive on one real-world design problem
• 75 min session → Mock LLD Interview with multiple design questions + detailed feedback

By the end of this session, you’ll walk away with a structured approach to LLD problems, refined coding design skills, and confidence to tackle real interviews.