PTC Software Engineer interview questions

interviewer was very nice. They asked about myself first, then some aptitude question and then 2 coding questions, also about data structure and algorithm, basic and advance java. Prepare everything that is in your resume. all the projects you have done

It was average to above average in terms of difficulty. First there was a online test for short listing and then following that there were 2 rounds one is technical and 2nd is hr round.