The secret weapon for senior developers. Quastor provides deep-dive case studies on how major tech companies build their systems, plus FAANG-level interview prep.
About Quastor
Quastor fills the gap between 'learning to code' and 'learning to lead system design'. Every week, it takes a major engineering blog post (like from Uber, Airbnb, or Meta) and breaks it down into its core architectural decisions. It also includes daily-style coding challenges to keep your interview skills sharp.
What Makes This Newsletter Unique
Condensed Wisdom. It saves you dozens of hours by reading the long-form engineering blogs and whitepapers for you and giving you the 'system design pattern' you need to know.
Who Should Subscribe?
Engineers looking to level up to Senior/Staff positions or anyone preparing for high-stakes technical interviews.
Content Format
A weekly email with one major case study, a technical 'deep dive', and an interview question.
Recent Newsletter Issues
Pricing & Subscription Options
Free + Premium
- Weekly emails
- Free tier with core content
- Premium tier with extra features
- Unsubscribe anytime
Free weekly case studies + Paid 'Quastor Pro' for archives and full interview bank
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Our Take: Pros & Cons
Pros
- Extremely high signal-to-noise ratio
- Excellent for learning real-world system design
- Very practical and career-focused
Cons
- Requires a paid subscription for the full interview resource bank
- Can be very technical; not for beginners
Frequently Asked Questions
Does it include frontend?
Yes, they cover full-stack engineering, but the primary focus is on backend architecture and infrastructure.
How often is Quastor published?
Quastor is published weekly.
Is Quastor free?
Quastor offers a free version with optional premium features. Free weekly case studies + Paid 'Quastor Pro' for archives and full interview bank
About the Author: Quastor Team
Quastor Team
The Quastor team consists of engineers who have worked at top-tier tech companies. They specialize in distilling complex whitepapers and engineering blogs into actionable lessons.
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