This is the stage that gets searched the most, so it is worth slowing down on. The recorded, one-way video interview is an asynchronous, on-demand stage: you record answers to pre-set questions with no interviewer on the other end. The recorded step is confirmed on BlackRock's own site; candidates widely report the vendor as HireVue, though that vendor name is community-reported rather than officially confirmed, so treat it as the reported case.
Candidates commonly describe roughly three questions, mostly motivational and behavioral or fit, with about three minutes to prepare and about two minutes to record each answer, so roughly fifteen minutes in one sitting. The question count and the timings are commonly reported, not a published specification, so treat them as the typical case rather than a guarantee.
The questions map to three things: why BlackRock, why this role, and the BlackRock Principles. So the preparation is concrete. Write a genuine, specific why BlackRock and why this role, then map two or three quantified stories from your resume to the five Principles: We are a fiduciary to our clients, We are One BlackRock, We are passionate about performance, We take emotional ownership, and We are committed to a better future. The BlackRock Principles spoke breaks each one down with the resume verbs that give the video and the behavioral rounds real hooks to pull.
Because there is no interviewer to read, structure beats polish. Practice speaking a clear, quantified answer in about two minutes, use the preparation time to pick the story rather than to script every word, and let the numbers on your resume carry the evidence. Managing your face on camera is not the work; a structured spoken answer your resume already supports is.