Labelbox
Forward Deployed Research Scientist
$200K–$300K
San Francisco Bay Area · Full-time · Posted Apr 13, 2026
- Education
- MS or PhD in Machine Learning, NLP, Computer Science, or a related quantitative field.
About the job
Conduct applied research within client engagements, using experiments and model fine-tuning to validate data strategies and improve frontier AI models.
What you'll do
- Engage with client research teams to shape data strategy and project specifications.
- Run ablation studies and fine-tune open-weight models to measure data’s impact on model performance.
- Review annotation workflows and quality systems, and collaborate on benchmarks, white papers, and conference submissions.
What they ask for
- MS or PhD in Machine Learning, NLP, Computer Science, or a related quantitative field.
- Hands-on experience fine-tuning large language models, including open-weight models.
- Strong understanding of LLM training pipelines and how data quality and composition affect training.
- Experience designing and executing rigorous experiments, including controlled comparisons and statistical analysis.
Nice to have
- Prior experience at a frontier AI lab, applied ML startup, or in research with direct client or stakeholder interaction.
- Experience evaluating or benchmarking LLMs, human data pipelines, reinforcement learning, reward modeling, or RLHF; published ML/NLP research.
Pay
$200,000 — $300,000 USD (base salary)
Tools
Llama, Mistral, Qwen, RLHF, DPO
AI focus
Empirically validate training-data strategies by fine-tuning and evaluating open-weight models; contribute applied findings to AI research and publications.
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