Signals and Threads An inside look at Jane Street's tech internship with Jeanne Van Briesen, Matt Else, and Grace Zhang
Nov 6, 2020
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Real Impact on Risk Systems
- Grace worked on improving Jane Street's manual order entry system to allow quicker adjustments to system-level risk limits during trading.
- This project enabled traders to increase limits fast during busy trading days, directly benefiting firm operations.
Trading Needs Human Judgment
- Trading at Jane Street involves substantial human judgment and manual interventions beyond algorithms.
- Automation supports but does not replace human decision-making in trading processes.
Internship Freedom in Design
- Jean designed a new API by combining two interfaces in Jane Street's incremental web app library called Incredom.
- She also wrote a PPX extension to improve code usability, with her changes still used today.