"Senior software engineers are the most experienced member of a software team and usually carry the most responsibility and authority of that team. Because of this, interviews will be designed to find candidates who have expert knowledge of the field and years of experience as a software engineer. Expect to be asked tough technical questions and to give examples of previous projects that you have worked on."
Various behavioral question which would require answer of situation/task, action, and results. Example: Give me a specific example of a time when you used good judgment and logic in solving a problem.