LLD and HLD Mock Interview

If you have an interview coming up and feel unprepared, don’t worry — I’ve got you covered. In this session, I’ll share solid tips and walk you through frequently asked questions to help you understand the process, build confidence, and ace the interview for your dream job or internship.

✅ 1. LLD (Low-Level Design)

• Problem-based design: BookMyShow, Cab Booking, Food Delivery, etc.
• Focus on class design, SOLID principles, and design patterns
• Address concurrency and scalability concerns
• Evaluate code modularity and maintainability

✅ 2. HLD (High-Level Design)

• End-to-end system design: Twitter, URL Shortener, Instagram, etc.
• Discuss components, databases, caching, load balancers, messaging queues
• Evaluate scalability, availability, consistency, and fault tolerance
• Use diagrams and follow architecture best practices

✅ 3. Resume-Based Questions + Behavioral Round

• Deep dive into your projects
• STAR method for HR questions
• Personalized feedback to boost your articulation and confidence