← ALL LEARNING PATHSPATH 01 / Foundational · Senior-ready
System Design Fundamentals
Build a repeatable interview framework: requirements, estimates, architecture, bottlenecks, and trade-offs.
- 01read12 min
Frame the problem and requirements
Separate functional scope from availability, durability, latency, and security goals.
Open step → - 02read15 min
Estimate capacity before choosing technology
Translate hosts, events, and payload size into throughput and storage pressure.
Open step → - 03read18 min
Read the high-level architecture
Identify the synchronous path, asynchronous fan-out, and system of record.
Open step → - 04lab20 min
Model a baseline architecture
Use the Decision Lab to turn traffic and durability constraints into a concrete design.
Open step → - 05review15 min
Review failure modes and trade-offs
Practice explaining what fails first and which guarantees you intentionally weaken.
Open step →