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PrakalpanaLive online tech training
🔧ArchitectureIntermediate

Low Level Design (LLD)

Master Object-Oriented Design & Design Patterns

Learn to design clean, maintainable, and extensible code. Master SOLID principles, design patterns, and build real-world applications like parking lot, elevator system, and more.

4.9(480)1,500+50h • 6 weeks
Low Level Design (LLD) course

Course Curriculum

1
OOP, SOLID & UML1 week
  • OOP deep dive (abstraction, encapsulation, inheritance, polymorphism)
  • SOLID principles with refactoring examples
  • DRY, KISS, YAGNI & composition over inheritance
  • UML class & sequence diagrams
  • Identifying classes, responsibilities & relationships
2
Creational Patterns1 week
  • Singleton (thread-safe)
  • Factory Method & Abstract Factory
  • Builder
  • Prototype
  • Object Pool
  • Dependency Injection
3
Structural Patterns1 week
  • Adapter
  • Bridge
  • Composite
  • Decorator
  • Facade
  • Proxy
  • Flyweight
4
Behavioral Patterns1 week
  • Observer
  • Strategy
  • Command
  • State
  • Template Method
  • Chain of Responsibility
  • Iterator
  • Mediator
  • Memento
5
Concurrency & Clean Code in LLD0.5 week
  • Thread-safe design
  • Producer-consumer
  • Locks vs lock-free
  • Immutability
  • Writing testable, extensible code
6
LLD Case Studies (machine coding)1.5 weeks
  • Parking Lot
  • Elevator System
  • BookMyShow / movie booking
  • Splitwise
  • Rate Limiter
  • Notification Service
  • Chess / Snake & Ladder
  • Vending Machine
  • Logging framework
🔧

Low Level Design (LLD)

6 weeksIntermediate

Live Online + 1-on-1 Training
  • 50+ hours live content
  • 6 weeks duration
  • 8 hands-on projects
  • Certificate included
  • Doubt support
  • Lifetime access
📞Call to EnquireWhatsApp UsBook Free Demo

✅ Lifetime access • ✅ Job assistance

❓ FAQ

Frequently Asked Questions

Common questions about Low Level Design (LLD)

In this course, you will learn: Apply SOLID principles in real code, Master all 23 Gang of Four patterns, Design Parking Lot, Elevator, BookMyShow. The course covers 50+ hours of content across 6 comprehensive modules.

The prerequisites for this course are: Object-oriented programming, Basic data structures, Any OOP language (Java/C++). If you're unsure about your current level, book a free demo session and our counselors will guide you.

The Low Level Design (LLD) course is 6 weeks long with 50+ hours of hands-on content. You'll work on 8 real-world projects. You also get lifetime access to all recordings and materials.

This course is taught live by experienced industry professionals who work hands-on with these technologies every day. You learn current, real-world practices with live mentorship, code reviews and an optional 1-on-1 track.

After completing the Low Level Design (LLD) course, you can apply for roles like: Software Engineer (₹15-35 LPA), Senior Software Engineer (₹30-55 LPA), Tech Lead (₹45-80 LPA). Our students have been placed at companies like Amazon, Flipkart, Uber.

Yes! We provide comprehensive placement assistance including resume building, LinkedIn profile optimization, mock interviews (technical + HR), coding round preparation, and direct job referrals to our network of 100+ hiring partners. Our placement rate is 95%.

Yes, all training is 100% live online, with an optional 1-on-1 (1:1) track. You get live interactive sessions, screen sharing, instant doubt resolution, recorded sessions for revision, and full placement support.

All our courses are non-refundable. We encourage you to attend a free demo session before enrolling to ensure the course is right for you. In exceptional cases, one-time batch transfer may be allowed with management approval.

Still have questions?

Low Level Design (LLD) training, near you

Live online & 1-on-1 · available in 79+ Indian cities and 16 more countries

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Low Level Design (LLD) training, worldwide

Live batches timed for your local working hours, plus 1-on-1 slots at any hour