Frontend Engineer — Web Replication Preference Rater (Train AI Models Part Time!) at Mercor
About the role
hackajob is collaborating with Mercor to connect them with exceptional professionals for this role. About the work We're building a high-quality dataset of human preference judgments on AI-generated frontend code. You'll be shown a reference web page alongside two candidate replications produced by AI models, and you'll decide which replication is better — then explain why in writing that a model can learn from. This is evaluation work, not authoring. You won't be building sites from scratch. Y…
Interview process at Mercor
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 Mercor interviewers score on. Upload your resume and this job description; MiPrep generates a rehearsed answer set in your voice from your own projects.