Glassdoor users rated their interview experience at SingleStore as 66.7% positive with a difficulty rating score of 3.67 out of 5 (where 5 is the highest level of difficulty). Candidates interviewing for Software Engineer and BDR rated their interviews as the hardest, whereas interviews for Software Engineer and BDR roles were rated as the easiest.
The hiring process at SingleStore takes an average of 21 days when considering 3 user submitted interviews across all job titles. Candidates applying for Software Engineer had the quickest hiring process (on average 21 days), whereas Software Engineer roles had the slowest hiring process (on average 21 days).
I applied through university. I interviewed at SingleStore in Aug 2025
Interview
Asked to open an open source code base and add a functionality. Felt like the interviewer already made up their mind to reject me. Interviewer was dull and unengaging. Very boring. Answered all questions but to no use.
Interview questions [1]
Question 1
Given this open source code base, add a functionality of a keyword
The interview has 3 rounds- 1. standard DSA round, 2. debugging round, 3. behavioural round. Debug round was actually on some C code and had to implement threads. I found the 2nd round very unique
Interview questions [1]
Question 1
DSA Questions, and debugging on a C code based on threads
I applied online. I interviewed at SingleStore (San Francisco, CA)
Interview
Total 3 rounds of interviews, Total 5-6 (1 hour long each). Interviews: The first round was making changes and adding functionality to existing production database code. The second round was 2 interviews of low-level design.
Interview questions [1]
Question 1
Design a Connection Pool with concurrency and pseudo code for it.