- LLD + HLD · Live + Recorded ·
Master System Design - LLD + HLD the right way
Java + OOP, SOLID, Design Patterns, Concurrency, Microservices and real HLD case studies Uber, Slack, Netflix, Swiggy and more. Built for product-grade engineers and FAANG-level interviews.
- LLD + HLD in One Course
- Interview-Ready Frameworks
- Project-First Patterns
- Real Case Studies
- Download Syllabus
What is System Design ?
System Design is the process of defining the architecture, components, and data flow of large-scale software systems the exact skill that separates average engineers from senior engineers at top product companies.
High-Level Design (HLD) ?
HLD is the big picture. You will learn how to design systems like YouTube, Uber, or WhatsApp by making decisions around scalability, availability, load balancers, databases, and CDNs — exactly the way it's discussed in FAANG interviews.
Low-Level Design (LLD) ?
LLD is the engineering detail. You will learn Object-Oriented Design, Design Patterns, SOLID principles, and how to model real-world systems like a Parking Lot, Ride Booking App, or URL Shortener using clean, extensible code architecture.
- High-paying tech career
- AI-powered future
- Coding required
- Freelancing & Remote jobs
- Why is 2026 the perfect time to learn ?
Why is 2026 the Perfect Year to Learn System Design?
System Design is now a mandatory interview round at every product-based company — from Google and Amazon to Razorpay, Zepto, and CRED.
Every Product Company Asks This
Whether you're a 2-year or 5-year experienced engineer, if you're applying at a product-based company, you will face a System Design round. Companies use it to filter engineers who can think at scale, not just write code.
The AI-Era Demands Architects, Not Just Coders
With AI tools automating boilerplate code writing, companies want engineers who can design intelligent, scalable systems. System Design is the skill that keeps you indispensable in the AI era.
Massive Salary Jump Awaits
Engineers who clear System Design rounds consistently land 30–60% higher salary packages. A mid-level developer who can design systems like a senior commands Senior/Staff engineer compensation.
Tier-2 Engineers Are Now Cracking FAANG
With the right structured preparation, engineers from Hyderabad, Vizag, Vijayawada, and Warangal are landing roles at Atlassian, Flipkart, and Amazon. The only gap was structured System Design knowledge — and that's what this course fills.
- The Big picture
Why System Design matters
The difference between a coder and an engineer is system design. Here is the path.
Clean Code
Write code that other engineers actually want to read and maintain.
OOP & SOLID
Model real-world problems with strong object-oriented foundations.
Design Patterns
Apply the right pattern at the right time — never pattern for pattern's sake.
Distributed Systems
Design systems that scale to millions of users without falling over.
Crack Interviews
Walk into any LLD or HLD interview with a repeatable framework.
- Who is this for
Built for serious engineers
Whether you are cracking SDE-2 or designing your team’s next platform — this course meets you there.
SDE-1 / SDE-2
Engineers preparing for SDE-2/3 promotions where design rounds decide the outcome.
Backend Developers
Java, Spring Boot or any backend developer wanting product-grade design skills.
CS Graduates
Final-year and recent graduates targeting product-based companies.
Service-to-Product Switchers
TCS / Infosys / Wipro engineers cracking interviews at Flipkart, Razorpay, Atlassian.
Interview Aspirants
Anyone with FAANG / unicorn interviews lined up in the next 3-6 months.
Tech Leads & Architects
Senior engineers formalising the patterns they have used for years.
- Tools & Technologies
The real-world stack
The exact technologies behind today’s product companies — used in every case study.
Java
Spring Boot
UML
Kafka
Redis
PostgreSQL
Docker
Kubernetes
AWS
- Real Time Projects
Design what real products use
Four flagship case studies — every concept lands inside a real product context.
Project 01
Library Management System
Build a clean library system and refactor it by applying OOP foundations and all five SOLID principles.
🛠 Tools Used
Factory Pattern
Builder Pattern
SOLID , OOP
Dependency
Injection
Outcome
Master OOP, SOLID principles, and clean code architecture.
Project 04
Payment Gateway
Design a fault-tolerant payment platform with idempotency and distributed transaction handling.
🛠 Tools Used
Kafka
Saga Pattern
Outbox Pattern
Event-Driven Architecture
Outcome
Master distributed systems and fintech architecture.
Project 02
Parking Lot
Design a multi-floor parking lot with concurrent entry gates and deadlock prevention mechanisms.
🛠 Tools Used
Concurrent Hash Map
Reentrant Lock
AtomicInteger
Proxy Pattern
Outcome
Learn concurrency, synchronization, and thread safety.
Project 05
YouTube
Build a large-scale video platform handling uploads, playback, search, and global delivery.
🛠 Tools Used
CDN
API Gateway
BFF
Sharding
Outcome
Learn large-scale media architecture.
Project 03
YouTube
Build a large-scale video platform handling uploads, playback, search, and global delivery.
🛠 Tools Used
CDN
API Gateway
BFF
Sharding
Outcome
Learn large-scale media architecture.
Project 06
Uber / Swiggy
Design a real-time ride-hailing or food delivery platform with event-driven architecture.
🛠 Tools Used
Kafka
WebSockets
Microservices
API Gateway
Outcome
Understand real-time scalable systems.
- Course Syllabus
12 modules. LLD + HLD. Zero fluff.
Each module builds on the last — from Java fundamentals to scaling Uber-sized systems.
Java & Object-Oriented Programming Foundations
Core Java
- JVM, JDK and JRE
- Primitive vs reference types
- Classes, objects, constructors, this keyword
- Access modifiers
OOP Pillars
- Encapsulation
- Abstraction
- Inheritance
- Polymorphism
- Method overloading vs overriding
- Composition vs inheritance
- OOP best practices
Case Study
- Library Management System
SOLID Principles & Clean Code
Design Smells
- God class
- Feature envy
- Primitive obsession
- Anemic domain model
SOLID Principles
- Single Responsibility Principle
- Open/Closed Principle
- Liskov Substitution Principle
- Interface Segregation Principle
- Dependency Inversion Principle
- Dependency Injection
Case Studies
- Invoice Management System
- Order Management System
UML & Object Modeling
Class diagrams, sequence diagrams and ER modeling — communicate design clearly in interviews.
Design Patterns
Creational Patterns
- Singleton
- Factory & Abstract Factory
- Builder
Structural Patterns
- Adapter
- Decorator
- Proxy
Behavioural Patterns
- Strategy
- Observer
- Command
- Template Method
- State
- Chain of Responsibility
Projects
- Payment Gateway Factory
- Vending Machine
- Smart Home System
- Loan Approval Workflow
Java Concurrency & Multithreading
Foundations
- Threads vs processes
- Runnable vs Callable vs Thread
- synchronized
- volatile
- wait(), notify(), notifyAll()
Executor Framework
- ExecutorService
- ThreadPoolExecutor
- Future and Callable
- CountDownLatch
- CyclicBarrier
- Semaphore
Case Studies
- Printer Queue System
- Order Fulfillment System
Advanced Concurrency
Concurrent Data Structures
- ConcurrentHashMap
- BlockingQueue
- CopyOnWriteArrayList
- AtomicInteger
- AtomicReference
Advanced Locking
- ReentrantLock
- ReadWriteLock
Advanced Concepts
- Deadlock
- Livelock and starvation
- CompletableFuture
Case Studies
- Thread-Safe LRU Cache
- Banking Transfer System
- Log Aggregator
LLD Capstone Projects
- Parking Lot
- Elevator System
- ATM Machine
- Movie Ticket Booking
- Splitwise
- Snake and Ladder
- Cab Booking System
- Food Ordering System
- Hotel Booking System
- Advanced Library Management System
- Logging Framework
- Notification System
- In-Memory Key-Value Store
- Rate Limiter
System Design Fundamentals
Framework
- Functional vs non-functional requirements
- System design approach
Scalability & Availability
- Reliability vs availability
- Capacity estimation
Networking
- DNS
- HTTP & HTTPS
- WebSockets vs SSE vs polling
- Reverse Proxy
- Load Balancers
Practical
- API Exploration using Postman
Case Study
- Instagram Architecture
API Design & Authentication
API Design
- REST principles
- Pagination
- Idempotency
- API versioning
Authentication & Authorization
- AuthN vs AuthZ
- JWT
- OAuth 2.0
- API Keys
- Session vs Token-based authentication
Infrastructure
- API Gateway
- BFF Pattern
Case Studies
- GitHub API
- Payment APIs
Database Design & Data Management
Foundations
- SQL vs NoSQL
- Relational, Document, Wide-column, Time-series, Graph databases
Performance
- Data modeling
- Normalization & Denormalization
- Indexing
- ACID properties
- Isolation levels
Scaling Data
- Partitioning
- Sharding
- Consistent Hashing
- CAP theorem
Caching
- Cache Aside
- Write Through
- Write Back
- Redis
Case Studies
- URL Shortener
- Pastebin
Distributed Systems & Messaging
Messaging Fundamentals
- Queue vs Pub/Sub
- Delivery guarantees
- Dead Letter Queues
Kafka
- Partitions
- Consumer Groups
- Event Log
Event Driven Architecture
- Choreography vs Orchestration
- Saga Pattern
- Outbox Pattern
Reliability
- Service Discovery
- Circuit Breaker
- Distributed Transactions
Case Studies
- Uber
- Swiggy / Zomato
Microservices & Reliability Engineering
Architecture
- Monolith vs Microservices
- Service boundaries
- Synchronous vs asynchronous communication
Reliability
- Retry and exponential backoff
- Idempotency keys
- Timeout strategies
- Bulkhead pattern
- Health checks
Observability
- Logging
- Metrics
- Distributed tracing
Scale
- Multi-region systems
- High availability
- Leader-follower replication
Real-Time System Design
Real-Time Communication
- WebSocket architecture
- Pub/Sub
- Offline users
Geo-Spatial Systems
- Geohash
- Quadtree
- Real-time location updates
Notifications & Rate Limiting
- Fan-out problem
- Distributed rate limiter
Case Studies
- Slack
- Facebook Nearby Friends
- Hotstar Live Streaming
Large Scale System Design
System Design Case Studies
- YouTube
- Payment Gateway
- Search System
- BookMyShow
- Stock Trading Platform
- Distributed Cache
- Recommendation System
- Multi-Tenant SaaS
Enterprise Design Reviews
- Scalability analysis
- High availability design
- Failure handling
Salary Opportunities & Industry Standards
Fresher System Design Salaries
Job Role
Experience
Average Salary
SDE-1
Fresher
₹4.5 – ₹6 LPA
Backend Engineer
Fresher
₹3 – ₹6 LPA
Software Engineer
Fresher
₹3.5 – ₹7 LPA
(FAANG/
Unicorn)
Fresher
₹2.5 – ₹4 LPA
Experienced System Design Salaries
Job Role
Experience
Average Salary
SDE-2
3–5 Years
₹9 – ₹15 LPA
Staff Engineer
3–5 Years
₹10 – ₹18 LPA
Engineering Manager
4–6 Years
₹12 – ₹20 LPA
Solutions Architect
5–8 Years
₹12 – ₹25 LPA
Top Companies Hiring Graduates of This System Design Course
- Watch Before You Enroll
See exactly how we teach
Get a real feel for the teaching style, depth and pace before you commit.
What you'll learn
How to approach any LLD problem in 30 minutes
Duration
Approx. 60 minutes
Trainer
Chaitanya — 10+ yrs product engineering
Topics covered
OOP, SOLID and a live LLD walkthrough
System Design Course
Actual Price
Rs. Coming soon
Special Price
Rs. Coming soon/-
Save
Rs. Coming soon
- Time : 0:00pm - 0:00pm , 0+ Months Duration
- Start Date: 11th June 2026
- Beginner friendly
- Hands-on-Projects
- Telugu Explanation
- Live Support
Beyond Courses We Build Careers.
Every program includes industry-focused add-on sessions designed to help students crack jobs, freelance, switch careers, and grow professionally.
- MAANG Ready
Career Acceleration Ecosystem
Everything you need beyond coding to become job-ready.
Resume Building
Session 01
LinkedIn Optimization
Session 02
Freelancing
Session 03
Career Switch Guidance
Session 04
Job Search Strategy
Session 05
Financial Awareness
Session 06
MAANG Preparation
Session 07
Agile & Scrum Workflow
Session 08
Git & GitHub
Session 09
HR + Salary Negotiation
Session 10
Communication Bootcamp
Session 11
Proof of Your Potential: Alumni Results
At Frontlines Edutech, we believe in transforming careers. Our System Desgin Course is laser-focused on providing the practical, AI-driven skills and knowledge that lead directly to real-world job success, ensuring you are well-equipped to achieve your career goals with confidence.
- Industry-Recognized Certificate
A certificate that signals real depth
Earn a verifiable System Design Engineering certificate the moment you complete the program.
Approved by AICTE
Certified by ISO 21001:2018
Recognized by Startup India
Registered under MSME
Get Certified
Earn a verifiable System Design Engineering Certificate and validate your industry readiness by completing the program, submitting projects, and clearing the pre-placement test.
Approved by AICTE
Certified by ISO 21001:2018
Recognized by Startup India
Registered under MSME
