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
View PricingLeave a Review
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.
Similar Newsletters You Might Like
ByteByteGo
System design simplified. ByteByteGo provides visual and easy-to-understand explanations of complex architectural patterns used by big tech companies.
Software Engineering Daily
Total technical immersion. Software Engineering Daily provides daily deep-dives into how the world's most complex systems are built, featuring interviews with top engineers and architects.
EdSurge
News and analysis on the future of learning. EdSurge covers education technology, teaching innovation, and the changing landscape of K-12 and higher education.
Ready to Subscribe to Quastor?
Get weekly insights delivered to your inbox
Visit Quastor100% free. Unsubscribe anytime.