Interview was good, questions were related to programming and was asked linked list based problems to solve. Got good feedback from the interviewer, however did not hear back from HR even after multiple emails and follow ups.

Celestica's interview process typically involves an initial application, followed by a screening call with a recruiter. Successful candidates may then have one or more interviews with hiring managers or team members. These interviews often cover technical skills, problem-solving abilities, and behavioral assessments. Depending on the position, there might be additional assessments or technical exercises. The final stages may include interviews with higher-level management. It's advisable to research the specific role and prepare accordingly for technical and behavioral questions.