Thermo Fisher Scientific Software Engineer interview experience

The first part included a couple of programming problems—one involving a linked list and another focused on an array-based task. I didn’t feel like I was being thrown into something unfamiliar; it was very much about basic Java problem solving.

In the second round, the focus shifted from pure problem statements to Java features and how I’d reason through worked, project-related questions. I talked through how I approached implementation details based on what I’d built before and how I understood the language behaviors that matter in real code.

Across the whole thing, the process felt