Thread Navigator
🤖 AI & Machine Learning

If you want to become good at system design (in 3 weeks), learn...

@systemdesignone
Neo Kim@systemdesignone
66 views Nov 30, 2025 ~1 min read
Advertisement
1
If you want to become good at system design (in 3 weeks), learn these 15 case studies:
Media image
2
1. How Stock Exchange Works:

newsletter.systemdesign.one/p/stock-exchan…
3
2. How LLMs Like ChatGPT Work:

newsletter.systemdesign.one/p/llm-concepts…
4
3. How Twitter Timeline Works:

newsletter.systemdesign.one/p/system-desig…
5
4. How Uber Finds Nearby Drivers at 1 Million Requests per Second:

newsletter.systemdesign.one/p/how-does-ube…
6
5. How to Scale an App to 10 Million Users on AWS:

newsletter.systemdesign.one/p/aws-scale
7
6. How Bluesky Works:

newsletter.systemdesign.one/p/how-does-blu…
8
7. How Kafka Works:

newsletter.systemdesign.one/p/how-kafka-wo…
9
8. How Slack Works:

systemdesign.one/slack-architec…
10
9. How Does Google Docs Work:

newsletter.systemdesign.one/p/how-does-goo…
11
10. How YouTube Was Able to Support 2.49 Billion Users With MySQL:

newsletter.systemdesign.one/p/vitess-mysql
12
11. How Reddit Works:

newsletter.systemdesign.one/p/reddit-archi…
13
12. How Spotify Works:

newsletter.systemdesign.one/p/spotify-syst…
14
13. How URL Shortener Works:

systemdesign.one/url-shortening…
15
14. Redis Use Cases:

newsletter.systemdesign.one/p/redis-use-ca…
16
15. How Meta Handles 11.5M Serverless Function Calls per Second:

newsletter.systemdesign.one/p/serverless-a…
17
What else should make this list?

1 Save this for later, and RT it to help others master system design.

2 Follow @systemdesignone + turn on notifications.
18
👋 PS - Want my System Design Playbook for free?

Join my newsletter with 190K+ software engineers:

newsletter.systemdesign.one/subscribe
Actions
What You Can Do
  • Export as PDF or Markdown
  • Batch Export to Notion
  • Bookmark & Highlight
  • Screenshot Tweet
Create Free Account

Includes 7-day Premium trial

Advertisement

More in AI & Machine Learning

No video models were used in the making of this scene. Here's how we're buildin...

@trymirage•16 views

Introducing Ling-3.2-flash, Ant Ling's native multimodal model: 560B total / 25B...

@AntLingAGI•133 views

Today, we're launching Perplexity Teammates. They are personal agents for work....

@AravSrinivas•81 views

Introducing GPT‑6 Cyber: a major advance in security research that pairs stronge...

@OpenAI•58 views

Introducing SWE-2 Flash, our new fast & efficient coding model. On leading eval...

@cognition•115 views

How does AI actually work? Let’s talk about what’s happening under the hood of ...

@HarperSCarroll•37 views
View all AI & Machine Learning threads

More from @systemdesignone

Arguably the 20 most influential books for software engineers. Most of us spent...

52 views•4 months, 1 week ago

If you want to become good at code reviews, here are some techniques you should ...

47 views•1 year, 3 months ago

How Nginx was able to support 1 million concurrent connections on a single serve...

23 views•1 year, 11 months ago
View all threads from @systemdesignone

Save Threads to Notion

Upgrade to Premium to automatically save unrolled threads directly to your Notion workspace. Includes unlimited saves, visual editor, and ad-free experience.

Highlight Key Tweets

Upgrade to Premium to highlight individual tweets in any thread, then export just the highlights to Notion — like Readwise, for threads.

Save to Notion

Pick categories to organize this thread in your Notion database.

Sign Up to Highlight Tweets

Create a free account to get a 7-day Premium trial, including the ability to highlight key tweets in any thread.

Sign Up for Reading Mode

Create a free account for the distraction-free paper view — plus a 7-day Premium trial with full-length exports.

Sign Up to Save to Notion

Create a free account to get a 7-day Premium trial, including saving unrolled threads directly to your Notion workspace.