System Design Twitter Course
sysdesign101, Systems, sdr, AI Agents RoadmapOver 5 weeks, you'll build a complete Twitter-like platform that scales from 1,000 to 10 million users. You'll experience every architectural decision point, every performance bottleneck, every moment when adding more servers makes things worse instead of
| Platform |  | Pricing | Freemium | Publishes | Twice weekly |
|---|---|---|---|---|---|
| Issues | 81 | Founded | 10 months ago | Last Issue | 6 days ago |
| Active | |||||
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twitterdesign.substack.comLatest Issues
Lesson 14 — Text to Numbers: Generating Embeddings on CPU
What We’re Building Today
What We’re Building Today
Lesson 13 — Meaning Over Keywords: Installing and Tuning Qdrant
What We’re Building Today
What We’re Building Today
Lesson 12 — Stepping Through Time: Building the Event Debug Interface
What We’re Building Today
What We’re Building Today
Lesson 11: The Consistency Window — Handling Eventual Updates Gracefully
What We’re Building Today
What We’re Building Today
Lesson 10: Projections — Building Pre-Computed Read Models
What We’re Building Today
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Three background projection consumers —
UserTimeline,TrendingHashtags,UserFollowerCount— that process events from the NEXUS event log and maintain always-current derived state -
An offset-tracki...
Audience Metrics
Subscribers, engagement, traffic and sponsorship for System Design Twitter Course .
| Subscribers | Engagement | 68 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
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Authors
The writers behind this newsletter.
Design & Build Twitter from scratch https://systemdrd.com/
Over two decades work experience at Silicon Valley, USA, CANADA and INDIA. Seasoned Principal Engineer with experience in developing complex, high-performance software solutions with a focus on low level system and distributed systems.
AI Agent Roadmap — a structured, hands-on path from LLM fundamentals to deploying production-grade multi-agent systems. Most engineers know AI Agents are coming. Fewer know how to actually build them.
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