Biologist, PhD (Contract) Labelbox Remote (United States preferred) Shape the data that powers frontier AI Quick facts Engagement - Hourly, at‑will contractor Schedule - Fully remote & asynchronous (min. 15 hrs/week) Pay Range (US) - $25 – $100 per hour Start Date - Rolling — staffed as projects launch What You’ll Do Data annotation Accurately label and categorize advanced biology questions, specialized concepts, scientific diagrams, experimental data, and other domain-specific content Concept mapping Synthesize and connect complex biological principles, establishing nuanced relationships between specialized topics (e.g., molecular biology, genomics, systems biology, physiology) to help AI models grasp the depth and structure of the field Solution review Critically analyze and verify AI-generated answers to advanced biology questions and research-level problems, identifying errors and providing detailed, constructive feedback to enhance model performance Content development Design and curate comprehensive training datasets that encompass a wide spectrum of biology subfields and levels of complexity You’re a great fit if You hold a PhD in Biology (or a closely related field) with deep expertise in research, teaching, or advanced problem-solving You have developed or critically reviewed complex scientific, educational, or technical content—such as peer-reviewed publications, advanced curricula, laboratory research, or sophisticated simulations You excel at communicating challenging physical concepts with clarity and enjoy translating advanced theory into real-world applications Bonus Experience with data labeling, RLHF, or other AI training or model evaluation projects About The Role Flexible workload — work from anywhere, on your own schedule High impact — your craft directly improves models used by top AI labs & Fortune 500 teams Clear ownership — know exactly what success looks like and have autonomy to deliver Growth potential — consistent high performers spearhead new programs and mentor incoming SMEs Interview process Complete a screening with Zara, our AI interviewer in English, to learn more about your background and experience. Domain-specific Zara interview to assess your understanding of advanced Biology principles, your ability to analyze complex processes, and your skill in applying theoretical frameworks to real-world scenarios. About Labelbox Labelbox builds the data engine that accelerates breakthrough AI. Our platform, expert services, and marketplace let teams iterate on data as nimbly as they iterate on code, enabling safer, smarter models in production. We’re backed by SoftBank, Andreessen Horowitz, B Capital, Gradient Ventures, Databricks Ventures, and Kleiner Perkins, and trusted by leading research labs and enterprises worldwide. Ready to Apply? Click “Apply” above, and take one or more domain specific assessments. We review candidates on a rolling basis and will contact you if your background matches an active project. Apply To this Job