Human Factors Expert

Alpheva; United States; Remote; USD 234,000 - 303,000; Part time

Job summary

Alpheva is seeking a senior human factors expert for remote, contract work on AI evaluation projects focused on usability, safety, workload, and human–machine interaction. Review model responses for confounded evidence and invalid assumptions, and write reference answers with traceable corrections.

Pay is hourly: $170–$220, with first payment timing to be confirmed before scaling up. Ideal candidates have 7+ years in human factors, senior judgment in usability and safety, and the ability to

Qualifications

• 7+ years of substantive experience in human factors or ergonomics.
• Demonstrated senior-level judgment in usability, safety, workload, and human-machine interaction, with substantial responsibility for reviewing or delivering this work.
• Ability to write precise reference answers, assess competing approaches, and justify corrections with traceable evidence.

Responsibilities

• Review model responses and worked examples for confounded evidence, overgeneralized findings, and invalid measurement assumptions.
• Write reference answers and scoring criteria grounded in usability, safety, workload, and human-machine interaction.
• Explain consequential errors, evidence gaps, and the reasoning behind your corrections.

Skills

Senior-level judgment

Usability & human factors

Evidence-based critique

Job description

Bring senior human factors expertise to AI evaluation projects focused on usability, safety, workload, and human-machine interaction.

Review model responses and worked examples for confounded evidence, overgeneralized findings, and invalid measurement assumptions. Assess whether the reasoning meets professional standards for the stated task.

Write reference answers and scoring criteria grounded in usability, safety, workload, and human-machine interaction. Explain consequential errors, evidence gaps, and the reasoning behind your corrections.

This is remote, project-based contract work. Scope, hours, and assignments depend on project matching; the listed hourly range applies to matched work.

Requirements

• 7+ years of substantive experience in human factors or ergonomics.
• Demonstrated senior-level judgment in usability, safety, workload, and human-machine interaction, with substantial responsibility for reviewing or delivering this work.
• Ability to write precise reference answers, assess competing approaches, and justify corrections with traceable evidence.

Pay

$170–$220/hr

Alpheva is a new expert network (launched September 2026); payout methods are not published yet, so confirm your first payment before scaling up.