2 rounds, a formal initial interview followed by a take-home technical test and a final technical interview. Rejected as they advertised the position as a Full Stack Engineer then attempted to offer a graduate position and felt this was purely due to my age rather than experience or technical ability.

HP's Full Stack Developer interview process generally involves an initial screening, followed by online assessments (aptitude/coding), multiple technical rounds (coding, system design, domain-specific), and a final HR/manager round, focusing heavily on full-stack fundamentals (HTML, JS, CSS, SQL), problem-solving, and behavioral fit, though variations exist between HP Inc. and HPE and roles.