Real, anonymous reports from people who interviewed for Software Engineer at Mercor, newest first and distilled into what to expect across the loop.
The process was chaotic at the start. My first interview got cancelled, and when I finally got the second one, it ended extremely quickly—around five minutes.
After applying online, I got an online OA that ran on HackerRank-style tests with three sections. The content spanned data structures/algorithms, data pipelines, and SQL questions.
The initial stage of the interview process typically involves an AI-driven screening that focuses on the candidate's resume and work history, with tailored questions that may pivot based on responses. While efficient, candidates noted that the AI sometimes cut them off or misaligned with the job specifics.
Candidates undergo a technical assessment that includes coding questions, often focusing on data structures and algorithms, with some assessments requiring live coding or problem-solving under supervision. This round is seen as a critical filter in the hiring process.
Following the technical rounds, candidates typically engage in behavioral interviews with hiring managers, which include discussions about past experiences and problem-solving approaches. This part of the interview aims to assess communication skills and cultural fit.
The overall difficulty of interviews varies, with some candidates finding the technical rounds challenging due to time constraints or unexpected focus areas, such as concurrency. Experiences can range from feeling rushed to having a more conversational and supportive atmosphere.
Several candidates reported issues with disorganization during the interview process, including canceled interviews and rushed sessions, which negatively impacted their overall experience and perception of the company. Feedback was often lacking, leaving candidates feeling unresolved.
Candidates noted specific requirements for technology compatibility, such as needing certain hardware for the interview process, which could lead to confusion or frustration. Additionally, some assessments required candidates to share their screens and work in a monitored environment.