System Design Series' Articles

Saras Growth Space

May 11

LLD Foundations: What is System Design (and why it actually matters)

#lld #systemdesign #softwareengineering #codinginterview

1

2 min read

Saras Growth Space

May 12

LLD Foundations: Understanding Requirements (the step most people skip)

#lld #systemdesign #softwareengineering #codinginterview

2 min read

Saras Growth Space

May 13

LLD Foundations: Thinking in Systems (Abstraction + Design Flow)

#lld #systemdesign #softwareengineering #codinginterview

3 min read

Saras Growth Space

May 14

LLD Foundations: SOLID Principles (Part 1 — SRP & OCP)

#lld #systemdesign #softwareengineering #codinginterview

2 min read

Saras Growth Space

May 15

LLD Foundations: SOLID Principles (Part 2 — LSP, ISP, DIP)

#lld #systemdesign #softwareengineering #codinginterview

2 min read

Saras Growth Space

May 16

LLD Foundations: Coupling vs Cohesion (how to judge if your design is actually good)

#lld #systemdesign #softwareengineering #codinginterview

2 min read

Saras Growth Space

May 17

LLD Foundations: DRY, KISS, YAGNI (practical rules for everyday design)

#lld #systemdesign #softwareengineering #codinginterview

2 min read

Saras Growth Space

May 18

LLD Foundations: Trade-offs Thinking (how real design decisions are made)

#lld #systemdesign #softwareengineering #codinginterview

2 min read

Saras Growth Space

May 19

LLD Object-Oriented Design: Thinking in Objects, Not Code

#lld #systemdesign #softwareengineering #codinginterview

2 min read

Saras Growth Space

May 20

LLD Object-Oriented Design: Classes & Objects (Deep Understanding)

#lld #systemdesign #softwareengineering #codinginterview

1

2 min read

Saras Growth Space

May 21

LLD Object-Oriented Design: Encapsulation (Protecting State and Behavior)

#lld #systemdesign #softwareengineering #codinginterview

3

2 min read

Saras Growth Space

May 22

LLD Object-Oriented Design: Inheritance (When to Use It and When to Avoid It)

#lld #systemdesign #codinginterview #softwareengineering

3

2 min read

Saras Growth Space

May 23

LLD Object-Oriented Design: Polymorphism (Design Without if-else)

#lld #systemdesign #softwareengineering #codinginterview

1

3 min read

Saras Growth Space

May 24

LLD Object-Oriented Design: Composition vs Inheritance (Choosing the Right Relationship)

#lld #systemdesign #codinginterview #softwareengineering

1

2 min read

Saras Growth Space

May 25

LLD Object-Oriented Design: Interfaces & Abstract Classes (Designing Contracts)

#lld #systemdesign #softwareengineering #codinginterview

1

2 min read

Saras Growth Space

May 26

LLD Object-Oriented Design: Dependency Injection (Decoupling System Design)

#lld #systemdesign #softwareengineering #codinginterview

3

2 min read

Saras Growth Space

May 27

LLD Object-Oriented Design: Factories & Object Creation (Managing Complexity of Creation)

#lld #systemdesign #softwareengineering #codinginterview

2

2 min read

Saras Growth Space

May 28

LLD Object-Oriented Design: System Layers (Structuring Real Systems)

#lld #systemdesign #softwareengineering #codinginterview

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2 min read

Saras Growth Space

May 29

LLD Object-Oriented Design: Cross-Cutting Concerns (Logging, Retry, Monitoring)

#lld #systemdesign #softwareengineering #codinginterview

3

2 min read

Saras Growth Space

May 30

LLD Object-Oriented Design: Design Mistakes That Break Systems (and How to Avoid Them)

#lld #softwareengineering #systemdesign #codinginterview

3

2 min read

Saras Growth Space

May 31

LLD Object-Oriented Design: From Requirements to Classes (Bridging Thinking to Domain Modeling)

#lld #systemdesign #softwareengineering #codinginterview

2

3 min read

Saras Growth Space

Jun 1

LLD Domain Modeling: Why Domain Models Exist (Beyond Classes and Objects)

#lld #systemdesign #softwareengineering #codinginterview

2

3 min read

Saras Growth Space

Jun 2

LLD Domain Modeling: Entities (Objects That Have Identity and Lifecycle)

#lld #softwareengineering #systemdesign #codinginterview

3

3 min read

Saras Growth Space

Jun 3

LLD Domain Modeling: Value Objects (Objects Defined by Meaning, Not Identity)

#lld #systemdesign #softwareengineering #codinginterview

2

3 min read

Saras Growth Space

Jun 4

LLD Domain Modeling: Business Rules & Invariants (The Rules Your System Must Never Break)

#lld #systemdesign #codinginterview #softwareengineering

2

3 min read

Saras Growth Space

Jul 16

LLD Domain Modeling: State Machines (Modeling Business Lifecycles)

#lld #systemdesign #softwareengineering #codinginterview

3 min read

Saras Growth Space

Jul 16

LLD Domain Modeling: Aggregates (How Real Systems Protect Consistency)

#lld #systemdesign #softwareengineering #codinginterview

3 min read

Saras Growth Space

Jul 16

LLD Domain Modeling: Services vs Entities (Separating Workflow from Business Logic)

#lld #systemdesign #softwareengineering #codinginterview

1

3 min read

Saras Growth Space

Jul 17

LLD Domain Modeling: Bounded Contexts (Why Large Systems Cannot Share One Model)

#lld #systemdesign #softwareengineering #codinginterview

3 min read

Saras Growth Space

Jul 17

LLD Domain Modeling: From Requirements to a Domain Model (How Real System Design Actually Happens)

#lld #systemdesign #softwareengineering #codinginterview

2 min read

Saras Growth Space

Jul 17

LLD Domain Modeling: Designing a Ride Sharing System (Applying Domain Modeling in a Real System)

#lld #systemdesign #softwareengineering #codinginterview

3 min read

Saras Growth Space

Jul 17

LLD Domain Modeling: Designing BookMyShow (Seat Consistency, Booking Flow & Aggregates)

#lld #systemdesign #softwareengineering #codinginterv

3 min read

Saras Growth Space

Jul 17

LLD Domain Modeling: Designing an Amazon Cart System (Mutable State, Checkout Flow & Order Consistency)

#lld #systemdesign #softwareengineering #codinginterview

1

3 min read

Saras Growth Space

Jul 18

LLD Domain Modeling: When NOT to Use Domain Modeling (Very Important Reality Check)

#lld #systemdesign #softwareengineering #codinginterview

1

3 min read

Saras Growth Space

Jul 18

LLD Domain Modeling: How to Debug Your Design When It Feels “Wrong”

#lld #systemdesign #softwareengineering #codinginterview

3 min read

Saras Growth Space

Jul 18

LLD Domain Modeling: How Real Systems Evolve Over Time (Versioning, Change & Refactoring Reality)

#lld #systemdesign #softwareengineering #codinginterview

3 min read

Saras Growth Space

Jul 18

LLD Domain Modeling: The Final Layer — Bringing It All Together (How Real Systems Are Actually Structured)

#lld #systemdesign #softwareengineering #codinginterview

2 min read

Saras Growth Space

Jul 18

LLD Domain Modeling: The Complete Mental Framework (How to Think in Any System Design Problem)

#lld #systemdesign #softwareengineering #codinginterview

2 min read

Saras Growth Space

Jul 18

LLD Domain Modeling: Final Anti-Pattern Guide (How Good Designs Slowly Turn Bad)

#lld #systemdesign #softwareengineering #codinginterview

3

3 min read

Saras Growth Space

Jul 18

LLD Domain Modeling: The Only Cheat Sheet You Actually Need (Interview + Real System Design)

#lld #systemdesign #softwareengineering #codinginterview

1

2 min read

Saras Growth Space

Jul 21

LLD UML & Visualization: Why Software Engineers Draw Before They Code

#lld #softwareengineering #systemdesign #codinginterview

6 min read

Saras Growth Space

Jul 21

LLD UML & Visualization: Class Diagrams — Modeling the Structure of Your System

#lld #systemdesign #softwareengineering #codinginterview

5 min read

Saras Growth Space

Jul 21

LLD UML & Visualization: Sequence Diagrams — Understanding How Objects Collaborate

#lld #systemdesign #softwareengineering #codinginterview

2

5 min read

Saras Growth Space

Jul 21

LLD UML & Visualization: Use Case Diagrams — Understanding What the System Should Do Before Designing It

#lld #systemdesign #softwareengineering #codinginterview

1

5 min read

Saras Growth Space

Jul 21

LLD UML & Visualization: State Diagrams — Modeling How Objects Evolve Over Time

#lld #systemdesign #softwareengineering #codinginterview

2

4 min read

Saras Growth Space

Jul 29

LLD Data Structures in Design Context: Why Software Engineers Think Differently About Data Structures

#lld #systemdesign #softwareengineering #codinginterview

2

5 min read

Saras Growth Space

Jul 29

LLD Data Structures in Design Context: Why Great Software Starts with Behaviours, Not Data Structures

#lld #softwareengineering #systemdesign #codinginterview

2

5 min read

Saras Growth Space

Jul 29

LLD Data Structures in Design Context: Why Modern Software Needs Fast Lookup Before Anything Else

#lld #systemdesign #softwareengineering #codinginterview

1

4 min read

Saras Growth Space

Jul 30

LLD Data Structures in Design Context: HashMap — The Mental Model Every Software Engineer Should Know

#lld #systemdesign #softwareengineering #codinginterview

1

4 min read

Saras Growth Space

Jul 30

LLD Data Structures in Design Context: How Does a HashMap Find the Right Location? Understanding Hashing Without the Math

#lld #systemdesign #softwareengineering #codinginterview

1

4 min read

Saras Growth Space

Jul 30

LLD Data Structures in Design Context: Inside a HashMap — Buckets, Collisions and Why Everything Still Works

#lld #systemdesign #softwareengineering #codinginterview

1

5 min read

Saras Growth Space

Jul 30

LLD Data Structures in Design Context: Why HashMaps Feel So Fast — Understanding Performance Without Memorising Big-O

#lld #systemdesign #softwareengineering #codinginterview

1

4 min read

Saras Growth Space

Jul 30

LLD Data Structures in Design Context: Real-World HashMaps — Sessions, Caches, Indexes and Design Trade-offs

#lld #systemdesign #softwareengineering #codinginterview

1

5 min read

Saras Growth Space

Aug 1

LLD Data Structures in Design Context: Why Some Problems Need the "Best" Result Instead of Any Result

#lld #systemdesign #softwareengineering #codinginterview

5 min read

Saras Growth Space

Aug 1

LLD Data Structures in Design Context: Heap — A Data Structure Built for Continuous Decision Making

#lld #systemdesign #softwareengineering #codinginterview

4 min read

Saras Growth Space

Aug 1

LLD Data Structures in Design Context: The Heap Property — The Simple Rule That Makes Heaps Powerful

#lld #systemdesign #softwareengineering #codinginterview

4 min read

Saras Growth Space

Aug 1

LLD Data Structures in Design Context: Why Software Engineers Don't Sort Everything

#lld #systemdesign #softwareengineering #codinginterview

1

4 min read

Saras Growth Space

Aug 1

LLD Data Structures in Design Context: Recognizing Heap Problems Before Writing Code

#lld #systemdesign #softwareengineering #codinginterview

1

3 min read

Saras Growth Space

Aug 1

LLD Data Structures in Design Context: Heap Design Patterns — How Real-World Systems Continuously Choose the Next Best Thing

#lld #systemdesign #softwareengineering #codinginterview

1

3 min read

Saras Growth Space

Aug 3

LLD Data Structures in Design Context: Why Some Work Shouldn't Happen Immediately

#lld #systemdesign #softwareengineering #codinginterview

1

4 min read

Saras Growth Space

Aug 3

LLD Data Structures in Design Context: Queue — A Data Structure Built for Asynchronous Work

#lld #systemdesign #softwareengineering #codinginterview

1

4 min read

Saras Growth Space

Aug 3

LLD Data Structures in Design Context: Why Queues Make Systems Faster (Without Making Code Faster)

#lld #systemdesign #softwareengineering #codinginterview

1

4 min read

Saras Growth Space

Aug 3

LLD Data Structures in Design Context: Recognizing Queue Problems Before Writing Code

#lld #systemdesign #softwareengineering #codinginterview

1

4 min read

Saras Growth Space

Aug 3

LLD Data Structures in Design Context: Queue Design Patterns — How Real-World Systems Handle Background Work

#lld #systemdesign #softwareengineering #codinginterview

1

4 min read

Saras Growth Space

Aug 3

LLD Data Structures in Design Context: Common Queue Mistakes Every Software Engineer Should Avoid

#lld #systemdesign #softwareengineering #codinginterview

1

3 min read

Saras Growth Space

Aug 4

LLD Data Structures in Design Context: Why Some Problems Need You to Remember the Most Recent Action

#lld #systemdesign #softwareengineering #codinginterview

1

4 min read

Saras Growth Space

Aug 4

LLD Data Structures in Design Context: Stack — Understanding Last In, First Out Through Design

#lld #systemdesign #softwareengineering #codinginterview

1

3 min read

Saras Growth Space

Aug 4

LLD Data Structures in Design Context: Why Stacks Make Undo, Rollback, and Navigation Feel Natural

#lld #systemdesign #softwareengineering #codinginterview

1

3 min read

Saras Growth Space

Aug 4

LLD Data Structures in Design Context: Recognizing Stack Problems Before Writing Code

#lld #systemdesign #softwareengineering #codinginterview

1

3 min read

Saras Growth Space

Aug 4

LLD Data Structures in Design Context: Stack Design Patterns — Where Last-In, First-Out Naturally Appears

#lld #systemdesign #softwareengineering #codinginterview

1

3 min read