Good interviewing process overall, Did a technical test before going through three rounds of interview, Human Resources, Manager and then Senior Manager.
The HR round assesses your qualifications, experience, and overall fit for the role and the company culture.
The Manager assesses your technical skills, expertise, and experience relevant to the job responsibilities.
The senior manager may assess your fit for the company's long-term vision, as well as your potential to contribute to organizational goals beyond the scope of the specific role you're applying for.