Gaurav Sen |

Q-commerce apps are integrating AI to search

Facebook can now generate AI videos with underlying physics

Researchers at Facebook can now generate test cases comparable to human engineers

OpenAI THRASHES 99.8% of competitive programmers with their new model

Is getting a CS degree still worth it?

Researchers invent memristors for Large language models

Snowflake ID Generation by Twitter

Google Borg: Billions of Distributed Linux Containers

Consistent Hashing has crazy history.

DeepSeek’s R1 model will be replicated by researchers at Hugging Face

DeepSeek Image Generation Surpasses OpenAI DALL·E

Facebook deployments have ZERO downtime

Google Research brings planning to Large Language Models

Multi-Agent Orchestration by OpenAI – Swarm

DeepSeek-R1 beats OpenAI benchmarks with Reinforcement Learning

Transformers are outperforming CNNs in image classification

How Google saves petabytes of CDN data transfer everyday

Researchers at Facebook have made a breakthrough with LLMs.

Server-less is full of servers?

Will A.I. Engineers replace us in 2025?

This is how Canva let’s 100 million users collaborate on documents

Design Patterns for Distributed Systems by Google

How Google authorizes a trillion requests everyday

How event systems manage 1000s of concurrent bookings

This is how Zoom allows 300M users to video conference everyday

This 20 year old algorithm is changing how LLMs think

How Google Maps navigation algorithm works

How SIEVE is outperforming LRU Caching

This is how Stripe Detects Payment Fraud in 100 milliseconds

How Indian Railways manages 8.5 Billion Passengers every year

How Uber manages billions of dollars in payments

Reflecting on the new year – Happy 2025!

How Spotify Recommendations work for 500,000,000 users

This is how Instagram serves 140,000,000,000 reels every day

WhatsApp hosts 1,000,000 TCP socket connections on a single server

How Netflix serves 100 Billion hours of video every year

How Sports Channels show different ads in real-time

WhatsApp’s 100M International Calling Architecture

Amazon DynamoDB: The architecture that scales to 10 TRILLION requests daily

How LinkedIn finds connections amongst a Billion users

How Google Deploys Billions of Lines of Code Daily

Opinion Reaction: Is Mediocrity Rising In India?

Are tech interviews harder than ever?

Apache Spark: Deep Dive into internal architecture

Google Authorization: 1 TRILLION Access Control Lists

Google Dremel: 1 TRILLION FILE READS in 10 seconds

Facebook Graph: 1 BILLION GRAPH Queries Per Second

Facebook MEMCACHE: PETABYTES of key values

5 questions in 4 minutes: Gaurav Sen interviews Hemant Pandey

Algorithm Deep Dive: Realtime Audio Matching In Shazam

System Design of a Ticket Booking System: BookMyShow

System Design contest using an online judge

System Design Components List

Software Systems: What is a load balancer?

Interview Question: Tell me about yourself

Caching in distributed systems: A friendly introduction

System Design of Zamzar File Convertor #SystemDesign #OnlineJudge

What is a CDN (Content Delivery Network)?

How to get promoted to Senior Software Engineer roles

This is why Senior Software Engineers aren’t clearing interviews