Protege · 1 day ago
Senior Data Scientist
United States
Full-time
Remote
Mid, Senior Level
4+ years expProtege is building a platform to address the critical need for high-quality training data in AI. The Senior Data Scientist will lead efforts in evaluating and optimizing datasets to enhance AI model performance, collaborating closely with research and engineering teams to define and ensure data quality.
AnalyticsArtificial Intelligence (AI)Data Management
Responsibilities
Design and apply statistical and machine learning methods to curate, filter, and enrich large-scale unstructured datasets
Develop frameworks to assess data diversity, duplication, and informativeness. Design statistical approaches to de-risk training datasets
Collaborate with model training teams to identify data bottlenecks and optimize dataset performance. Emphasis on ability to collaborate with large foundational models and smaller startups
Provide leadership on data quality strategy and shape internal best practices
Evaluate external datasets for integration, focusing on scalability, quality, and relevance to model performance. Help build data scorecards
Contribute to research and development of tools that automate data preprocessing and validation
Qualification
Required
PhD or equivalent Master's Degree + 4+ years industry experience in machine learning, economics, mathematics, engineering, computer science, statistics, or a related quantitative field
Strong understanding of AI model training pipelines, including pre-processing and evaluation
Experience working with large, unstructured datasets, especially text
Background in statistical analysis, bias detection, and data validation
Able to identify high-impact problems and drive independent solutions
Preferred
Experience with synthetic data generation or augmentation strategies
Publications or open-source contributions in data-centric AI or related areas
Experience developing evaluation frameworks or performance metrics for training data
Cross-functional collaboration with product, infrastructure, or partnership teams
Company
Protege
Protege is the AI training data platform enabling seamless and compliant data exchange.
11-50 employees
Funding
Current Stage
Early StageTotal Funding
$65MKey Investors
Andreessen HorowitzFootworkCRV
2026-01-07Series A· $30M
2025-08-13Series A· $25M
2024-09-10Seed· $10M
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