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Data Annotation Specialist - South Bay, CA (On Site)

Sunnyvale, CA💼 Full-time🗓 2025-09-22 → 2026-09-25

Core

Conduct data annotation and quality assurance for natural language datasets to refine machine learning models and test AI products.

Role type

Data Annotation Specialist

Builds

High-quality datasets for AI/ML model refinement

Domain

Artificial Intelligence / Natural Language Processing

Deliverable

production ML models

Required skills

Data annotation, quality assurance, pattern detection, anomaly identification, data consistency analysis

Preferred skills

Linguistics background, professional linguistics experience, analytical skills

Technologies

N/A

Responsibilities

Test new AI products and provide actionable feedback, conduct detailed data annotation and quality assurance of natural language datasets, analyze data for consistency and alignment with project goals, perform quality control to identify anomalies and discrepancies, prepare reports on data quality and AI model performance

Seniority

Mid-level (3-5 years experience)

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