Real, anonymous reports from people who interviewed for Research Analyst at Costar, newest first and distilled into what to expect across the loop.
My experience felt unusually smooth. I went into the interviews expecting curveballs, but the questions were described as straightforward, and the interviewer came across as genuinely nice and professional. The conversation was relaxed in tone, and nothing felt designed to trick me.
What stood out most to me was how drawn out and exhausting the process became. I ended up going through multiple stages over roughly two months, and it felt like every step added more waiting than clarity. There was a long panel interview that ran for hours, and even with that effort, things got derailed when a panelist didn’t show up—so an additional stage was added to catch up.
Candidates typically experience a structured interview process that includes a recruiter call followed by in-person stages involving mock calls and shadowing current employees. The flow is designed to emphasize practical engagement with the role rather than purely theoretical discussions.
Interviews often feature behavioral and situational questions that assess candidates' problem-solving abilities and communication skills, focusing on how they would handle real-world scenarios related to the role.
The interview timeline can vary significantly, with some candidates experiencing a quick process while others report extended delays and uncertainty, leading to frustration and a sense of inefficiency.
Candidates noted that communication quality and professionalism varied, with some experiencing clear, respectful interactions while others faced missed calls and lack of follow-up, impacting their overall impression of the company.
The interview process emphasizes practical skills relevant to the role, including hands-on exercises with data and systems, allowing candidates to demonstrate their abilities in a realistic context.
The overall difficulty of the interviews is generally described as average, with candidates expected to articulate their fit for the role and demonstrate clarity and precision in their responses.