Machine Learning Engineer (PhD) at Cobalt
About the role
Job Type: Flexible Contract (Remote) Job Summary: We are hiring senior machine learning researchers, including faculty, research scientists, and experienced postdoctoral researchers, for a contract project that tests whether frontier AI models can carry out real research work in a command line environment. You will design research-grade tasks that a leading AI model cannot solve, then review how and why the model fails. What you will do: Design self-contained command line tasks drawn from the p…
Interview process at Cobalt
General interview process (this company's specific loop isn't published - reach out if you have insider info).
- Recruiter phone screen - typically 20-40 min
- Technical screen - 1 coding problem or take-home; format varies by company
- Onsite / virtual loop - typically 4-6 rounds over 2-3 weeks; exact split of coding, systems design, and behavioral varies by role and location
Platforms used: unknown — MiPrep tested compatible with major platforms
How to prepare
MiPrep helps you rehearse the specific cadence and question types Cobalt interviewers score on. Upload your resume and this job description; MiPrep generates a rehearsed answer set in your voice from your own projects.