Applied Scientist Jobs in California, United States

LLM Evaluation

Model Evaluation

3mo agoPE

AI Engineer, Applied ML

Perplexity

San Francisco, California, United States (On-site)$210K – $385K Yearly

AI Engineer

Artificial Intelligence (AI)

LLMs

7d agoPR

AI Trainer - Computer Scientist (EST)

Prolific

Worldwide (Remote)Up to £50 Hourly

AI Trainer

Computer Science

Algorithms

3mo agoOP

Research Engineer, AI for Science

OpenAI

San Francisco, California, United States (Hybrid)$310K – $460K Yearly

Research

Deep Learning

3mo agoAC

Research Engineer

Applied Compute

San Francisco, California, United States (On-site)

Research Engineer

Large Language Models

Reinforcement Learning

3mo agoAN

Research Scientist, Societal Impacts

Anthropic

San Francisco, California, United States (Hybrid)$350K – $850K Yearly

AI Safety Research

Drug Discovery & Development

Data Science

1mo agoXT

Senior Research Associate/Associate Scientist

Xaira Therapeutics

South San Francisco, California, United States (On-site)$110K – $125K Yearly

Research Associate

Antibody Characterization

Biolayer Interferometry

1mo agoAN

Analyst, The Anthropic Institute

Anthropic

San Francisco, California, United States (Hybrid)$295K – $345K Yearly

Public Policy

AI Policy

Technical Policy Research

AI Governance

1mo agoAI

Software Engineer - Systems Engineering AI Tooling

Applied Intuition

Sunnyvale, California, United States (On-site)$125K – $185K Yearly

4w agoAI

Software Engineer - Perception (Fallback Stack)

Applied Intuition

Sunnyvale, California, United States (On-site)$151K – $255K Yearly

2mo agoAI

Software Engineer – Motion Planning and Control

Applied Intuition

Sunnyvale, California, United States (On-site)$149.4K – $245K Yearly

Autonomy Tooling Software Engineering

Software Engineering

C++

Motion Planning

2mo agoSC

AI Research Engineer, Enterprise Evaluations

Scale

San Francisco, California, United States (On-site)$179.4K – $224.3K Yearly

AI Research Engineer

Python

PyTorch

4w agoLA

Applied Research Intern

Labelbox

San Francisco, California, United States (Hybrid)$35 – $45 Hourly

Applied Research

Python

PyTorch

4w agoRU

Research Manager, Foundation Models

Runway

United States (Remote)$360K – $450K Yearly

Applied Research

Team Management

1mo agoNV

Research Scientist, Fundamental LLM Research for Knowledge, Reasoning, and Agents - New College Grad 2026

NVIDIA

Santa Clara, California, United States (On-site)$168K – $264.5K Yearly

7d agoPR

AI Trainer - Computer Scientist (PST)

Prolific

Worldwide (Remote)Up to £50 Hourly

3mo agoCO

Member of Technical Staff, Data Analysis and Evaluation

Cohere

London, England, United Kingdom or Remote (Worldwide)

Data Science