I applied through a recruiter. The process took 1 week.
Phone screen with a recruiter initially, where you're asked basic things about job experience and interest. The recruiter will walk you through different eng roles at HRT and guide you onto the proper track to interview. Then there's an online coderpad screen with an engineer where you solve a coding problem.
The coding question was to build a matching engine for a specific trading mechanism. A little bit difficult if you aren't already familiar with the mechanics.
The following metrics were computed from 74 interview experiences for the Hudson River Trading Software Engineer role.
Hudson River Trading's interview process for their Software Engineer roles is extremely selective, failing the vast majority of engineers.
Candidates reported having good feelings for Hudson River Trading's Software Engineer interview process.