Human Data - Engineer

Own Human Data projects and evaluations to help engineering teams access high-quality training signals and maintain strong data integrity.

Responsibilities

• Partner with model and engineering teams to translate needs into high-value data projects and evaluation strategies
• Deliver end-to-end critical data and evaluation work that captures meaningful training signals and supports rapid model development
• Build tools and systems to measure data effectiveness using data yield, eval lift, and usage
• Run evaluations directly to continuously improve quality
• Maintain rigorous data integrity and truthfulness, including validation processes focused on factual accuracy
• Prioritize quality over quantity in data collection and annotation efforts
• Research, implement, and evaluate approaches for data collection, annotation, generation, and multi-modal integration
• Support targeted data work to shape Grok’s behavior and domain performance
• Design and improve annotation workflows, labeling interfaces, and related tooling with emphasis on quality and integrity
• Serve as a liaison between engineering/technical staff and tutoring / Human Data teams to drive alignment and knowledge sharing
• Collaborate with Human Data Ops and stakeholders to scale projects, share learnings, and contribute to demand forecasting
• Report project status, insights, and blockers to enable rapid decision-making

Requirements

• Bachelor’s degree in engineering, computer science, or related STEM discipline
• 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 identify trends, anomalies, quality issues, or integrity problems

Technologies

• Python
• SQL

Location

• Palo Alto, CA (onsite)

Compensation

• USD 144,000 - 220,000 per year

Benefits

• Equity
• Comprehensive medical, vision, and dental coverage
• Access to a 401(k) retirement plan
• Short & long-term disability insurance
• Life insurance
• Various other discounts and perks

Additional Requirements

• Weekend work may be required
• Travel to other SpaceXSI sites may be required