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Job description
About OpenTrain
OpenTrain is the centralized, open platform where AI training and data-labeling freelancers find work, consolidate opportunities across platforms, and build a unified AI training portfolio they control. We make specialized AI training work easier to track, apply for, and grow into a durable freelance career.
About this role
OpenTrain is recruiting a Medical and Biostatistics Chart Analysis Expert to create high-quality reasoning data for advanced AI training and evaluation. You will interpret clinical and epidemiological visualizations, design rigorous analytical questions, and provide precise answers with step‑by‑step explanations. The work combines medical judgment, statistical reasoning, and careful written communication across charts such as Kaplan‑Meier curves, forest plots, ROC curves, and hazard‑ratio plots.
What you will do
Interpret complex medical and biostatistical charts, including axes, legends, units, scales, confidence intervals, p‑values, and other annotations.
Draft objective, multi‑step questions that require graphical interpretation, comparisons, calculations, trend analysis, and data interpolation.
Produce clear answers and explanations that identify calculations, statistical inferences, and relevant clinical judgment.
Create verifiable reasoning assignments that support model training and evaluation use cases.
Use precise medical and biostatistical terminology and avoid subjective or ambiguous wording.
Collaborate reliably through written and verbal communication while incorporating feedback and maintaining consistent quality.
Required skills
A bachelor's, master's, or doctoral degree in medicine, epidemiology, biostatistics, public health, or a closely related clinical or quantitative discipline.
At least two years of professional, academic, or research experience interpreting clinical trial data, survival analyses, or epidemiological visualizations.
Advanced understanding of medical chart elements, including scales, confidence intervals, statistical annotations, and common clinical research plots.
Strong written and spoken English with the ability to explain analytical processes clearly and precisely.
Ability to construct benchmark questions, analytical tasks, or structured reasoning assignments without introducing ambiguity.
Helpful background
Experience with technical documentation, scientific publishing, assessment development, structured data annotation, clinical research reporting, or AI-focused evaluation projects is useful. Familiar with producing benchmark questions or technical reports for research contexts is also relevant.
Compensation
This contractor opportunity advertises an hourly rate of $25 to $50.
Why work with OpenTrain
OpenTrain gives freelancers one place to manage AI training opportunities instead of rebuilding proof of work on every platform. A stronger OpenTrain profile helps!
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Who can apply
Review the original listing for work authorization, qualifications and employer requirements.