Human Data Engineer

X AI
Palo Alto
Workplace: OnsiteFull timeUSD 144,000 - 270,000Function: Data Science & Machine LearningExperience: 4+ yearsEducation: bachelorsSkills: ["Communication","Prioritization","Hands-on"]

Own end-to-end human data projects that power training signals and improve evaluation quality for Grok. Partner with model and engineering teams to define high-value data and eval strategies, build tools to measure data effectiveness (data yield, eval lift, usage), and run evaluations. Focus on data integrity and truthfulness through validation and multimodal data workflows, shaping behavior through targeted data work and annotation tooling.

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FursaFursa
X AI
X AI
23 hours ago

Human Data Engineer

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Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 5 hours agoStatus: Live

Job Summary

Own end-to-end human data projects that power training signals and improve evaluation quality for Grok. Partner with model and engineering teams to define high-value data and eval strategies, build tools to measure data effectiveness (data yield, eval lift, usage), and run evaluations. Focus on data integrity and truthfulness through validation and multimodal data workflows, shaping behavior through targeted data work and annotation tooling.
Location: Palo Alto
Workplace: Onsite
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Mid level

Key Responsibilities

  • •Partner with model and engineering teams to translate needs into high-value data projects and evaluation strategies.
  • •Own end-to-end delivery of critical data and evaluation projects that capture training signals and support rapid model development.
  • •Build tools and systems to measure data effectiveness (data yield, eval lift, usage) and run evaluations to improve quality.
  • •Maintain rigorous data integrity and truthfulness using validation processes for factual accuracy, prioritizing quality over quantity.
  • •Research and implement techniques for data collection, annotation, generation, and multimodal integration; design annotation workflows and tools and drive alignment across teams.

Pay and Benefits

Salary: USD 144,000 - 270,000
Equity and Bonus:Equity
Perks:EquityHealth InsuranceVisionDental401k

Key Requirements

  • •Bachelor’s degree in engineering, computer science, or related STEM field, or 4+ years of experience in lieu of a degree.
  • •Experience collaborating with cross-functional teams (engineering, research, product, or annotation/operations groups).
  • •Demonstrated experience analyzing datasets to find trends, anomalies, quality issues, or integrity problems.
  • •Experience curating, evaluating, or improving training or evaluation datasets for large language models or other AI/ML systems.
  • •Ability to design and optimize annotation tools, labeling interfaces, or data workflows that prioritize factual accuracy and data integrity.
Experience:4+ yearsLarge language modelsAI/MLMultimodal data
Education:Bachelor's
Skills:CommunicationPrioritizationHands-on
Languages:English
Tech Stack:PythonSQL

Company Brief

X AI
Develops advanced artificial intelligence models and research aimed at building safe, general AI and understanding the fundamental nature of the universe. Focuses on large-scale AI systems, research publications, and building foundational AI capabilities.
Industry: AI & Machine Learning
Company Size: Medium (51 to 250 employees)
Growth: Early Stage Startup
Headquarters: San Francisco, United States
Founded: 2023
Website