Ashish Pratap Singh

Learn system design with Ashish Pratap Singh, step by step

9 videos in 3 steps, about 1 h 44 min of watching. Start at step 1 and move down.

1. 1The building blocksCaches, queues, databases, load balancers: the parts every design is made of.1 videos · 7 min0/1

   • 1.1 How Load Balancers Actually Distribute TrafficIntermediate · 7 min · 18.4K views · 2026How traffic is spread across servers so no single one is overloaded.
2. 2Design whole systems (HLD)Put the blocks together for a real product, step by step.4 videos · 46 min0/4

   • 2.1 System Design was HARD until I Learned these 30 ConceptsIntermediate · 21 min · 1.9M views · 2025A walk through how a real product is put together: what it must do, the parts, and the trade-offs.
   • 2.2 How I Mastered System Design InterviewsIntermediate · 10 min · 415.6K views · 2024Designing Interviews: what it must do, the main parts, and the trade-offs.
   • 2.3 System Design Will Finally Make Sense After ThisIntermediate · 9 min · 49.1K views · 2026A walk through how a real product is put together: what it must do, the parts, and the trade-offs.
   • 2.4 Real-Time Communication Patterns for System Design InterviewsIntermediate · 6 min · 19.8K views · 2026Designing Interviews: what it must do, the main parts, and the trade-offs.
3. 3Low-level design (LLD)Classes, patterns and clean code inside one service.4 videos · 51 min0/4

   • 3.1 How I Mastered Low Level Design InterviewsIntermediate · 9 min · 319K views · 2024Designing the classes and patterns inside one service, so the code stays easy to change.
   • 3.2 Every Important Design Pattern Explained in 18 MinutesBeginner · 19 min · 112K views · 2026Designing the classes and patterns inside one service, so the code stays easy to change.
   • 3.3 How to Master Low-Level Design Interviews in 2026Intermediate · 10 min · 36.6K views · 2026Designing the classes and patterns inside one service, so the code stays easy to change.
   • 3.4 OOP Will Finally Make Sense After This VideoIntermediate · 13 min · 30.4K views · 2026Designing the classes and patterns inside one service, so the code stays easy to change.

Order and levels are picked by us from titles and lengths. The one-line notes are ours. Every video plays from YouTube and belongs to Ashish Pratap Singh.

Ashish Pratap Singh’s own courses and series

Playlists the creator put together, in the order they made them.

1. System Design FundamentalsA series from the creator, in the order they made it.4 videos · 43 min0/4

   • 1 How Load Balancers Actually Distribute TrafficIntermediate · 7 min · 18.4K views · 2026How traffic is spread across servers so no single one is overloaded.
   • 2 Real-Time Communication Patterns for System Design InterviewsIntermediate · 6 min · 19.8K views · 2026Designing Interviews: what it must do, the main parts, and the trade-offs.
   • 3 System Design was HARD until I Learned these 30 ConceptsIntermediate · 21 min · 1.9M views · 2025A walk through how a real product is put together: what it must do, the parts, and the trade-offs.
   • 4 System Design Will Finally Make Sense After ThisIntermediate · 9 min · 49.1K views · 2026A walk through how a real product is put together: what it must do, the parts, and the trade-offs.

Latest uploads

• What if the Load Balancer Goes Down?9.1K views · 30 days ago
• How SQL Runs in a Database3.3K views · 1 month ago
• Networking was HARD until I Learned these 20 Concepts650.4K views · 2 months ago
• Partitioning vs Sharding vs Replication4.8K views · 2 months ago