Medium

Rahul Goel

he

Rahul Goel

·

Jun 14

The Three-Body Problem Character Guide: Who’s Who After the First 9 Chapters

I finally started reading The Three-Body Problem by Liu Cixin after hearing years of praise from science fiction fans. Nine chapters in…

The Three-Body Problem Character Guide: Who’s Who After the First 9 Chapters

Rahul Goel

·

Jan 27

The 5-Layer Chip Model: How Energy Turns Into Applications

From Power and Physics to Software and User Experience

The 5-Layer Chip Model: How Energy Turns Into Applications

Rahul Goel

·

Dec 8, 2025

Mastering GeometryReader and PreferenceKey in SwiftUI -Complete Beginner-to-Pro Guide

SwiftUI GeometryReader and PreferenceKey

Mastering GeometryReader and PreferenceKey in SwiftUI -Complete Beginner-to-Pro Guide

Rahul Goel

·

Nov 17, 2025

Mastering SwiftUI Data Flow -A Simple Guide

@State, @Binding, @StateObject, @ObservedObject, @Published, and @EnvironmentObject

Mastering SwiftUI Data Flow -A Simple Guide

Rahul Goel

·

Jun 3, 2025

Competitive Programming CheatSheet in Swift

Covering essential concepts, data structures, and snippets you’ll frequently need in coding interviews.

Competitive Programming CheatSheet in Swift

Rahul Goel

·

May 17, 2025

System Design: #002 Design PullToRefresh for large dataSet

Native Mobile Apps Social Feed Design Best

System Design: #002 Design PullToRefresh for large dataSet

Rahul Goel

·

Apr 8, 2025

System Design: #001 Design Parking Lot

Series of Classic System Design Questions For SDE Interviews.

System Design: #001 Design Parking Lot

Rahul Goel

·

Jul 4, 2024

DispatchQueue vs OperationQueue

“Selecting the Right Concurrency Tool for Your Swift Projects”

DispatchQueue vs OperationQueue

Rahul Goel

·

Jun 20, 2024

Curated iOS Interview Questions Series — Part 5

Series aiming to cover as many Q&A’s as possible from iOS interview perspective.

Curated iOS Interview Questions Series — Part 5

Rahul Goel

·

May 21, 2024

Swift Packages For LeetCode

Swift Package to fastrack competitive programming in swift using Swift Collections package by apple.

Swift Packages For LeetCode

Rahul Goel

Rahul Goel

he

EM- SonyLiv | Scaled iOS apps to 100M+ users (Shorts, Streaming, Payments, E-com) | Sharechat, Groupon, Paytm, Myntra https://www.linkedin.com/in/therahulgoel/

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