Tencent Software Engineer interview experience

I was asked to explain the difference between physically based rendering and traditional models, and I had to walk through the principle behind PBR. That included micro-surface theory and breaking down the components of BRDF—essentially explaining what each piece meant and how they fit together.

In the same overall technical track, I also got asked scenario-based problem questions where the interviewer presented a situation, and I had to analyze the challenges and describe how I would solve it using the most efficient algorithm. The emphasis was on articulating my thought process, justifying