Onsite

Superday With a Case Study and an AI-Assisted Coding Round

Capital OneSoftware Engineer · Intern · Onsite · Sep 2026

The Superday was three parts, behavioral (standard), case study, and AI assisted coding. The case study covered the use of virtual credit cards and had multiple sub-parts. After weighing the tradeoffs of virtual cards, you analyze some virtual card numbers and see what specific conditions they fulfill and you debug some code regarding the conditionals for filtering these card numbers. The AI assi…

Shared by a candidate · reported Sep 2026. Interview formats change; use it as a guide, not a script.