Hands-on System Design with Java Spring Boot
What you'll build
a Task Scheduler + Discord
an Ultra Scalable Task Scheduler handling millions of requests per second, and a 90-day build of a Discord-style chat platform β socket to scale
The curriculum
5 core areas coveredWhat you'll walk away with
What you're signing up for
What makes it different
Two full courses, one subscription β task scheduler internals and a real-time chat platform built end to end.
Format
Daily code lessons delivered via Substack.
Who it's for
Engineers who want to build a task scheduler and a Discord-scale chat platform themselves, not read a case study about someone else's.
A few things worth knowing
How often will I get an email?
Daily β check "From the archive" above to see the actual pace before you subscribe.
Is this actually free?
Yes β 100% free, no card required, no trial that converts to a charge later.
Can I unsubscribe anytime?
Yes, one click, no hoops β that's a standard Substack feature, not something we gate.
The task scheduler β and Discord β are waiting to be built.
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This newsletter is free, always. If you want the full System Design Roadmap library β every course, every lesson, and private GitHub repos β that's Pro Max Annual. See what's included β