Human Data Engineer: Data Quality & Evaluation (Onsite)

SpaceXSI; Palo Alto (CA); On-site; USD 144,000 - 220,000; Full time

Benefits offered by this job

Equity

Comprehensive medical, vision, andd e

Access to a 401(k) retirement plan

Short & long-term disability insurance

Life insurance

Various other discounts and perks

Job summary

SpaceXSI is seeking a data-focused professional to own and advance Human Data projects, ensuring high-quality training signals and data integrity. You’ll partner with model and engineering teams to translate needs into valuable data initiatives and evaluation strategies, delivering end-to-end work that accelerates model development.

Responsibilities include building data-measurement tools, running evaluations, maintaining data integrity, and collaborating across engineering, research, product,

Qualifications

• 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).
• Demonstrated experience analyzing datasets to identify trends, anomalies, quality issues, or integrity problems.

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.

Skills

Python

SQL

Education

Bachelor’s degree in engineering, computer science, or related STEM discipline

4+ years of experience in lieu of a degree

Job description

SpaceXSI is seeking a data-focused professional to own and advance Human Data projects, ensuring high-quality training signals and data integrity. You’ll partner with model and engineering teams to translate needs into valuable data initiatives and evaluation strategies, delivering end-to-end work that accelerates model development.

Responsibilities include building data-measurement tools, running evaluations, maintaining data integrity, and collaborating across engineering, research, product,