Multi-model AI Systems Jobs in Foster City, California, United States

4w ago

PR

AI Trainer - Advanced Mandarin Fluency (PST)

Prolific

Worldwide (Remote)From $30 Hourly

AI Model Training

Mandarin language fluency

Mandarin

2w ago

CO

Solutions Architect - Defence and National Security

Cohere

Ottawa East, Ottawa, Ontario, CA or Remote (Worldwide)

Solutions Architecture

Presales Engineering

Agentic AI

Model Fine-tuning

4w ago

PR

AI Trainer - Computer Scientist (PST)

Prolific

Worldwide (Remote)Up to £50 Hourly

4w ago

NE

Senior ML Solutions Architect - Token Factory

Nebius

United States (Remote)$215K – $275K Yearly

Solutions Architecture

Machine Learning Research

LLMs

4w ago

PR

AI Trainer - Audiologists

Prolific

Worldwide (Remote)$30 – $30 Hourly

1w ago

CO

Research Internship (Fall, 2026)

Cohere

Canada + 2 more (Remote)

Research Internship

Natural Language Processing

4w ago

PR

AI Trainer - Advanced Mandarin Fluency (EST)

Prolific

Worldwide (Remote)From $30 Hourly

Advanced Mandarin Fluency

Mandarin

2w ago

CE

Python / PyTorch Developer — Frontend Inference Compiler – Dubai

Cerebras

AE or Remote (Europe, Middle East, and Africa + 2 more)

Machine Learning Engineer

Compiler Engineer

PyTorch

4w ago

PR

AI Trainer - Audiologists

Prolific

Worldwide (Remote)From $30 Hourly

Evaluating Audiology Scenarios

Audiology

4w ago

CO

Senior Software Engineer, Agent Infrastructure

Cohere

Canada + 1 more (Remote)

2w ago

OP

Software Engineer, RL Training Infra

OpenAI

California, United States (Remote)$295K – $445K Yearly

Research

Agents

Reinforcement Learning

Inference

4w ago

PR

AI Trainer - Medical Doctors (PST)

Prolific

Worldwide (Remote)$80 – $150 Hourly

AI Trainer

Medical Doctor

Medical Licensure

2w ago

BA

Software Engineer - Voice AI (Inference Runtime)

Baseten

United States (Remote)$165K – $330K Yearly

Voice AI Engineering

ML Infrastructure Engineering

Machine Learning Engineering

STT (Speech-to-Text)

2w ago

CO

Member of Technical Staff, Senior/Staff MLE

Cohere

San Francisco, California, US or Remote (Worldwide)

Applied Machine Learning

Site Reliability Engineering

4w ago

PR

AI Trainer - Advanced Mathematicians US (EST)

Prolific

United States (Remote)Up to £30 Hourly

2w ago

OP

AI Deployment Engineering Manager, Startups

OpenAI

United States (Remote)$251K – $335K Yearly

1w ago

CE

Principal Engineer, AI Inference Reliability

Cerebras

Worldwide (Remote)

AI Infrastructure Engineering

C++

4w ago

PR

AI Trainer - Advanced Mandarin Fluency (GER)

Prolific

Worldwide (Remote)From $30 Hourly

Mandarin Prompt Evaluation

Advanced Mandarin

4w ago

PR

AI Trainer - Industrial Engineers (Remote)

Prolific

Worldwide (Remote)$40 – $75 Hourly