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Changelog

Track all the latest content additions and updates to Hello Interview. We continuously add new system design breakdowns, deep dives, and learning materials.

June 9 - 15, 2025

1 updates

New Content

"Should I join a start up or Big Tech?"

Jun 12, 2025 | Blog

June 2 - 8, 2025

3 updates

New Content

Design a Price Tracking Service like CamelCamelCamel

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Jun 4, 2025 | System Design

Design a News Aggregator like Google News

Premium

Jun 2, 2025 | System Design

New Videos

Design Facebook's News Feed

Jun 5, 2025 | System Design

May 26 - June 1, 2025

1 updates

New Content

How Behavioral Interviews Really Work

May 29, 2025 | Blog

May 12 - 18, 2025

2 updates

New Content

How I'd Prepare for a System Design Interview if I Were Starting From Scratch

May 15, 2025 | Blog

Design a Payment System like Stripe

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May 14, 2025 | System Design

April 28 - May 4, 2025

4 updates

New Content

Video Recommendation System Design

May 1, 2025 | ML System Design

ML System Design in a Hurry

Apr 29, 2025 | ML System Design

ML System Design Evaluation

Apr 29, 2025 | ML System Design

Harmful Content Detection ML System Design

Apr 28, 2025 | ML System Design

April 21 - 27, 2025

1 updates

New Content

System Design Delivery Framework

Apr 24, 2025 | ML System Design

April 7 - 13, 2025

1 updates

New Content

ZooKeeper Deep Dive for System Design Interviews

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Apr 10, 2025 | System Design

March 24 - 30, 2025

1 updates

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Flink Deep Dive for System Design Interviews

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Mar 26, 2025 | System Design

March 3 - 9, 2025

1 updates

New Content

Stop memorizing, start pattern matching

Mar 6, 2025 | Blog

February 24 - March 2, 2025

1 updates

New Content

Networking Essentials for System Design Interviews

Feb 27, 2025 | System Design

February 17 - 23, 2025

2 updates

New Content

CAP Theorem Deep Dive for System Design Interviews

Feb 20, 2025 | System Design

Consistent Hashing Deep Dive for System Design Interviews

Feb 19, 2025 | System Design

February 10 - 16, 2025

1 updates

New Content

Data Structures for Big Data in System Design Interviews

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Feb 14, 2025 | System Design

February 3 - 9, 2025

1 updates

New Content

Database Indexing Deep Dive for System Design Interviews

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Feb 4, 2025 | System Design

January 13 - 19, 2025

1 updates

New Content

Numbers to Know for System Design Interviews

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Jan 14, 2025 | System Design

November 25 - December 1, 2024

2 updates

New Content

API Gateway Deep Dive for System Design Interviews

Nov 26, 2024 | System Design

Real-time Updates Deep Dive for System Design Interviews

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Nov 26, 2024 | System Design

November 18 - 24, 2024

1 updates

New Content

PostgreSQL Deep Dive for System Design Interviews

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Nov 18, 2024 | System Design

September 9 - 15, 2024

4 updates

New Content

Introduction to the Behavioral Interview

Sep 12, 2024 | Behavioral

How to Prepare for Behavioral Interviews

Sep 12, 2024 | Behavioral

Cassandra Deep Dive for System Design Interviews

Sep 9, 2024 | System Design

5 Keys to Staff-Level System Design Interviews

Sep 9, 2024 | Blog

September 2 - 8, 2024

2 updates

New Content

Google Interview Process: A Comprehensive Insider's Guide

Sep 6, 2024 | Blog

Elasticsearch Deep Dive for System Design Interviews

Sep 5, 2024 | System Design

August 5 - 11, 2024

1 updates

New Content

DynamoDB Deep Dive for System Design Interviews

Aug 6, 2024 | System Design

July 22 - 28, 2024

5 updates

New Content

Design a Ticket Booking Site Like Ticketmaster

Jul 26, 2024 | System Design

Design a URL Shortener Like Bit.ly

Jul 25, 2024 | System Design

Design a Photo Sharing App Like Instagram

Premium

Jul 24, 2024 | System Design

Design a File Storage Service Like Dropbox

Jul 23, 2024 | System Design

Design Facebook's News Feed

Jul 22, 2024 | System Design

July 15 - 21, 2024

7 updates

New Content

Design YouTube's Top K Videos Feature

Jul 21, 2024 | System Design

Design a Dating App Like Tinder

Jul 20, 2024 | System Design

Design a Coding Platform Like LeetCode

Jul 19, 2024 | System Design

Design a Ride-Sharing Service Like Uber

Jul 18, 2024 | System Design

Design a Messaging App Like WhatsApp

Jul 17, 2024 | System Design

Design a Local Business Review Site Like Yelp

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Jul 16, 2024 | System Design

Design a Stock Trading Platform Like Robinhood

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Jul 15, 2024 | System Design

July 8 - 14, 2024

7 updates

New Content

Design a Collaborative Document Editor Like Google Docs

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Jul 14, 2024 | System Design

Design a Fitness Tracking App Like Strava

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Jul 13, 2024 | System Design

Design a Distributed Cache Like Redis

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Jul 12, 2024 | System Design

Design an Online Auction Platform Like eBay

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Jul 11, 2024 | System Design

Design a Video Streaming Platform Like YouTube

Jul 10, 2024 | System Design

Design a Distributed Job Scheduler Like Airflow

Premium

Jul 9, 2024 | System Design

Design a Web Crawler

Jul 8, 2024 | System Design

July 1 - 7, 2024

4 updates

New Content

System Design Delivery Framework

Jul 7, 2024 | System Design

Design an Ad Click Aggregator

Jul 7, 2024 | System Design

Design Facebook's Live Comments System

Jul 6, 2024 | System Design

Design Facebook's Post Search

Jul 5, 2024 | System Design

June 10 - 16, 2024

1 updates

New Content

Kafka Deep Dive for System Design Interviews

Jun 12, 2024 | System Design

May 20 - 26, 2024

1 updates

New Content

Understanding the Differences between Meta's SWE Product Architecture and System Design Interviews

May 24, 2024 | Blog

April 29 - May 5, 2024

1 updates

New Content

Meta's Product Architecture Interview: How to Prepare

May 1, 2024 | Blog

April 22 - 28, 2024

1 updates

New Content

System Design Interview Patterns

Apr 25, 2024 | System Design

March 11 - 17, 2024

1 updates

New Content

System Design Key Technologies

Mar 15, 2024 | System Design

February 12 - 18, 2024

2 updates

New Content

Meta People Management Interviews Explained by a Former Meta Interviewer

Feb 15, 2024 | Blog

Tips for Meta EM Interviews

Feb 12, 2024 | Blog

February 5 - 11, 2024

3 updates

New Content

Redis Deep Dive for System Design Interviews

Feb 9, 2024 | System Design

System Design in a Hurry

Feb 5, 2024 | System Design

Core Concepts for System Design Interviews

Feb 5, 2024 | System Design

January 22 - 28, 2024

1 updates

New Content

System Design Requirements Gathering

Jan 24, 2024 | Blog

January 8 - 14, 2024

1 updates

New Content

Design a Local Delivery Service like Gopuff

Jan 8, 2024 | System Design

November 27 - December 3, 2023

1 updates

New Content

The System Design Interview: What is Expected at Each Level

Nov 30, 2023 | Blog

October 30 - November 5, 2023

2 updates

New Content

System Design Interview Fundamentals: Mastering Estimation

Nov 2, 2023 | Blog

Understanding Job Levels at FAANG Companies

Nov 1, 2023 | Blog

October 16 - 22, 2023

1 updates

New Content

Story Crafting 101: Constructing Engaging Behavioral Interview Stories

Oct 16, 2023 | Blog

October 2 - 8, 2023

1 updates

New Content

SWE Interviews at Meta Explained by Former Meta Interviewer

Oct 3, 2023 | Blog

September 25 - October 1, 2023

1 updates

New Content

The Top 20 Companies Hiring Without LeetCode-Style Question

Sep 27, 2023 | Blog

August 7 - 13, 2023

2 updates

New Content

The Power of Practice: Mock Interviews for Software Engineering

Aug 11, 2023 | Blog

The Role of Soft Skills in a Software Engineering Interview

Aug 10, 2023 | Blog

July 3 - 9, 2023

1 updates

New Content

Interviewing as an Experienced SWE

Jul 5, 2023 | Blog

May 8 - 14, 2023

1 updates

New Content

The Art of the Example: Nailing Your FAANG Behavioral Interview

May 9, 2023 | Blog

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We're constantly adding new content to help you ace your interviews. Check back regularly for the latest system design breakdowns, deep dives, and interview preparation materials.

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