Trading Systems
Design Interview

About the Course

Trading systems design interviews test whether you can architect ultra-low-latency infrastructure where microseconds matter and correctness is non-negotiable. This course gives you a repeatable framework: define the trading domain constraints, design the critical data path, then deep-dive into latency optimization, fault tolerance, and risk controls.

Start with The Playbook — a trading systems design framework covering how to structure your answer, plus latency and throughput estimation techniques specific to financial markets (order rates, tick-to-trade budgets, market data fan-out).

Then build your domain knowledge with 5 concept lessons on order book mechanics, market making, low-latency architecture patterns, execution algorithms, and risk management systems, followed by 8 end-to-end design cases — from matching engines to cryptocurrency exchanges — each with architecture diagrams, latency budgets, and tiered solutions.