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Data Annotation Jobs in California, United States

Discover Data Annotation roles in California, United States on Inference Jobs and apply today.

4w agoAN

Data Operations, Product Partnerships

Anthropic

San Francisco, California, United States (Hybrid)$205K – $240K Yearly
AI Research & Engineering
Data Engineering
Python
SQL
3w agoBA

Data Engineer

Baseten

United States (Remote)$180K – $250K Yearly
Data Engineering
Data Infrastructure
Apache Beam
Kafka
3mo agoHA

Data Engineer

HappyRobot

San Francisco, California, United States (On-site)$140K – $220K Yearly
Data Engineering
Data Analytics
SQL
Python
2mo agoDE

Director of Data & Analytics

Decagon

San Francisco, California, United States (On-site)$230K – $300K Yearly
Data Analytics
Data Science
SQL
Python
3mo agoOP

Data Engineer, Analytics

OpenAI

San Francisco, California, United States (On-site)$255K – $405K Yearly
Data Engineering
Data Engineer
Data Engineering
Python
2mo agoHF

Data/Infrastructure Advocate Engineer - US Remote

Hugging Face

New York, United States or Remote (New York, United States)
Data Engineering
Developer Advocacy
Python
Pandas
3w agoFI

Data Quality Manager

Figure

San Jose, California, United States (On-site)$140K – $200K Yearly
Data Quality
Data Operations
Google Workspace
Sheets
3w agoTM

Research, Pre-Training Data

Thinking Machines Lab

San Francisco, California, United States (On-site)$350K – $475K Yearly
Data Engineering
Data Science
Data Engineering
JAX
1mo agoOP

Data Scientist, API

OpenAI

San Francisco, California, United States (Hybrid)$293K – $515K Yearly
Data Science
Product Analytics
SQL
Python
1mo agoFI

Manufacturing Data Engineering Intern [Summer 2026]

Figure

Sunnyvale, California, United States (On-site)$35 – $50 Hourly
Data Engineering Intern
Manufacturing Data Engineering
Python
SQL
3mo agoCO

Member of Technical Staff, Pre-Training Data

Cohere

Toronto, Ontario, Canada or Remote (United States + 3 more)
Machine Learning Engineer
Modeling
Python
Apache Spark
3w agoAN

Data Scientist, Marketing

Anthropic

San Francisco, California, United States (Hybrid)$275K – $370K Yearly
Marketing Scientist
Data Scientist
SQL
Developer Tools
3w agoSC

Trust and Safety - Senior Data Scientist

Scale

San Francisco, California, United States (On-site)$198K – $247.5K Yearly
Data Science
Machine Learning
Data Science
Machine Learning
2w agoFI

AI Data Infrastructure Engineer - Helix Team

Figure

San Jose, California, United States (On-site)$150K – $350K Yearly
Data Infrastructure
Data Engineering
Linux
Python
2mo agoNV

Principal Data and Asset Management Engineer

NVIDIA

Santa Clara, California, United States (On-site)$248K – $391K Yearly
Data Engineering
Asset Management
CMDB
ETL
3w agoSE

Technical Program Manager, Data

Sesame

San Francisco, California, United States (On-site)$200K – $260K Yearly
Technical Program Management
Program Management
Machine Learning
LLMs