Start with what is first-party, because UnitedHealth Group is unusually specific about its own hiring. The company publishes a six-step process on its careers pages: Application, Application Review, Assessment, Interview, Decision, and Onboarding. It also states the three interview formats it offers, in person, a virtual live interview, and a digital recorded interview, and it says plainly that all digital interviews are reviewed by a team member and not artificial intelligence. You can rely on all of that.
What is verified beyond the careers copy is the system stack. UnitedHealth Group runs on Oracle Taleo at uhg.taleo.net, behind a Radancy TalentBrew career site, and one Taleo tenant serves UnitedHealthcare, Optum, and Optum Technology. So the application you submit is parsed by Taleo at the Application Review step, which is why a Taleo-clean, single-column resume that mirrors the posting's exact keywords matters before any interview even begins. UnitedHealth is not on Workday, so the parser you are formatting for is Oracle Taleo.
What is commonly reported by candidates, and therefore hedged here, is the rest. Candidates commonly identify the recorded video vendor as HireVue, though UnitedHealth never names it. For technology and Optum Technology roles, candidates commonly describe about five stages over roughly three to four weeks, with a Glassdoor aggregate near 60 percent positive, a difficulty around 2.66 out of 5, and about a 25-day process. Treat those as community signals, not company policy, because UnitedHealth explicitly says the interview varies by role.
One correction worth stating up front: UnitedHealth Group does not use the terms committee, scorecard, or STAR on its careers pages. Its own guidance is example-driven and values-based, so the right preparation is specific stories of your impact and of handling ambiguous, self-directed situations, mapped to the mission and values, not a named framework you have read about elsewhere.