This guide draws on 6 first-hand interview accounts from Hacker News. Candidates describe about 2 rounds on average, most often an online assessment, a take-home task and a panel.
These 6 writeups cover software engineering roles. All of them were posted under a forum handle, so we could not verify the authors’ identities.
3InterviewHiring managerInterviewers indicated they mostly hire existing community contributors.
Software Engineer
Outcome not shared
unknown. 2 rounds. Shared by manifoldgeo on hn, 2023-07-10
1Personality and aptitude testOnline assessmentA third-party psychometric test was mandatory for one application. The candidate withdrew over privacy concerns.Covered: Personality profiling, Aptitude
2Interview rounds (second application)TechnicalProgressed to the final round for another role before withdrawing over the tech stack and policies.
Cloud Field Engineer
Not selected
unknown. 2 rounds. Shared by joeuser0123 on hn, 2023-08-09
1Written submissionTake-homeLong written questionnaire covering school results, technical experience and views on the company. Rejected after objecting to it.Covered: Education history, Python and Linux experience, Company mission and competitors
2Planned later stagesOnline assessmentAnnounced pipeline included psychometric tests, a timed coding test, troubleshooting, HR and multiple manager interviews.Covered: Aptitude and personality tests, Linux/networking quiz, Python coding test, Linux troubleshooting
Software Engineer
Outcome not shared
unknown. 1 round. Shared by idlephysicist on hn, 2023-07-10
1Application pipelineTake-homeShown a ten-stage process from essay and psychometric tests through executive interview. The candidate withdrew.Covered: Personal essay, Aptitude and personality tests, Culture and technical interviews
Software Engineer
Outcome not shared
unknown. 2 rounds. Shared by _t4za on hn, 2022-05-18
1Personal essayTake-homeWritten essay required before speaking to anyone at the company.
2Planned later stagesOnline assessmentRemaining pipeline included psychometric tests, a technical assessment and several interviews ending with senior leadership.Covered: Aptitude and personality tests, Technical assessment
This guide draws on 6 first-hand interview accounts from Hacker News. Candidates describe about 2 rounds on average, most often an online assessment, a take-home task and a panel.
What topics does Canonical test in interviews?
Commonly reported topics include Aptitude and personality tests, Spatial reasoning, Personality profiling, Aptitude, Education history, Python and Linux experience.
These guides summarize public, first-hand interview experiences shared by candidates. They describe the shape of each loop and the topics that came up, not a leaked question bank, and every experience links back to its original source. Processes change often. Treat this as directional prep, not a script.