Principal Clinical Scientist

IXO Inc.; United States; Remote; USD 131,000 - 220,000; Part time

Benefits offered by this job

Refer & Earn

Job summary

IXO Inc. is seeking a Clinical Study Design & Evidence Evaluation Lead to apply expertise in research methodology to paid AI evaluation work.

The role focuses on turning specialist knowledge into clear examples and well-reasoned assessments that measure model response quality. You will review analyses of efficacy endpoints, safety outcomes, and statistical significance, while testing designs and bias controls for randomized and observational studies.

Qualifications

• PhD in epidemiology, biostatistics, clinical research or a related field, or an MD with substantial research experience.
• At least seven years in clinical research, drug development or academic investigation.
• Advanced statistical skills and peer‑reviewed publication or trial leadership.

Responsibilities

• Review model analyses of efficacy endpoints, safety outcomes and statistical significance.
• Test reasoning about randomized and observational study design, bias controls and appropriate statistical methods.
• Develop difficult cases involving missing-data methods, complex trials and conflicting findings.
• Assess interpretation of FDA and EMA submissions, ICH‑GCP, research ethics and FDA 21 CFR, and write precise reference explanations.

Skills

Clinical Research

Study Design

Statistical Analysis

Regulatory Knowledge

Medical Writing

Education

PhD in Epidemiology/Biostatistics

MD with research experience

Tools

SAS

R

Stata

Job description

# Clinical Study Design & Evidence Evaluation Lead$95 - $160/hrRemoteMedical29 hired this month2026-09-19## Job Description## Work at IXOBring your experience in clinical research methodology to IXO’s paid AI evaluation work. You will turn specialist knowledge into clear examples, carefully reasoned assessments and corrections that help measure the quality of model responses.## Responsibilities* Review model analyses of efficacy endpoints, safety outcomes and statistical significance.* Test reasoning about randomised and observational study design, bias controls and appropriate statistical methods.* Develop difficult cases involving missing-data methods, complex trials and apparently conflicting findings.* Assess interpretation of FDA and EMA submissions, ICH-GCP, research ethics and FDA 21 CFR, and write precise reference explanations.## Experience and expertiseApplicants need a PhD in epidemiology, biostatistics, clinical research or a related field, or an MD with substantial research experience. At least seven years in clinical research, drug development or academic investigation are expected, with emphasis on design and analysis. Bring advanced statistical skills, proficiency in SAS, R or Stata, and a record of peer-reviewed publication or trial leadership.## Working arrangements and payExpected availability is 15–25 hours weekly over at least six months. The actual schedule and start are agreed before work begins. Eligible locations: USA, Canada, UK, Australia. Compensation is $95 - $160/hr USD. The agreed rate and delivery expectations will be confirmed before work begins.## Required SkillsClinical ResearchTrialsPhD/MD## Location RequirementsUSACanadaUKAustralia### Role & Payment TermsScope and terms agreed before work beginsRemotePay: $95 - $160/hrSchedule and payment timing follow the role description and agreementRefer & EarnEarn $25.00 if the expert you refer has their first qualifying project acceptance for this role. One referral award per referred person across all jobs.## Apply NowJoin 55,000+ experts earning competitive rates.Review this IXO role's requirements and terms, then complete the application steps.