
System Design Circle
Senior engineers training each other on real architecture.
System Design Circle

What you'll get
Five modules: foundations, data systems, distributed systems, staff-level tradeoffs, capstone interviews. Every module ships with reading, writeup prompts, and a recorded teardown.
Each Sunday we dissect a real production system — Slack search, Uber dispatch, Stripe webhooks, YouTube live, Cloudflare Workers. Recordings stay in the library forever.
Get matched with a peer at your level every Tuesday. 60-minute mock, 30-minute mutual feedback, written rubric grading. Members complete an average of 24 mocks before they interview.
Fully searchable archive of past teardowns, principal panels, and capstone reviews. Tagged by topic — partitioning, queues, consistency, observability — and by company stage.
Every cohort ends with a 45-minute live design defense in front of FAANG and unicorn principals. Pass the panel and you've passed every interview you'll see in the wild.
Senior engineers redline your resume and walk you through staff-level offer negotiation. Members regularly negotiate $40k–$100k more than their initial offer.
Members share open requisitions at their companies — Stripe, Anthropic, Linear, Cloudflare, Datadog, Figma. Many members get hired through here.
Ready to join?
Get instant access to all the content and connect with our community.
