Top 3998 Ai Jobs in San Mateo, Ca

Principal Data Scientist - AI Trainer
DataAnnotation —San Mateo, CA
- $50 - $100 an hour
- Part-time
- Remote
- Computer Science
- English
- 3 years
- Flexible schedule
Quick Apply
Staff Software Engineer - AI Trainer
DataAnnotation —Dublin, CA
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
AI Strategist (All Levels)
Distyl AI —San Francisco, CA
- $150,000 - $250,000 a year
- Full-time
- Hybrid work
- Up to 50% travel
- Research
- Office
- Health savings account
- Health insurance
Early Career Software Engineer – Applied AI
Wonderschool —San Francisco Bay Area, CA
- $100,000 - $120,000 a year
- Computer Science
- Office
- AWS
- Health insurance
- Paid time off
Quick Apply
Visual Novel Writer, AI Content (Contractor)
Crazy Maple Studio —Sunnyvale, CA
- $80,000 - $85,000 a year
- Contract
- Remote
- Mid-level
- 3 years
- Bachelor's degree
Quick Apply
7d
AI Resident - Learning From Videos (LFV)
Toyota Research Institute —Los Altos, CA
- $45 - $60 an hour
- Computer Science
- Master's degree
- Older adults
- Paid holidays
- Health insurance
Junior AI Applications Engineer
Stanford University —Redwood City, CA
- Full-time
- Hybrid work
- Oracle
- 3 years
- Bachelor's degree
8d
AI-Native Data Engineer - TrueMeter
Pear VC —Palo Alto, CA
- Full-time
- Hybrid work
- Mid-level
- SQL
- APIs
Early Career Machine Learning Engineer, Applied AI
Brain Co. —San Francisco, CA
- Full-time
- Hybrid work
- Computer Science
- Sales
- Bachelor of Science
- Commuter assistance
- Paid parental leave
Delivery Consultant - AI/ML, AWS Professional Services
Amazon Web Services, Inc. —San Francisco, CA
- $131,300 - $204,300 a year
- Full-time
- 3 years
- Java
- JavaScript
- AD&D insurance
- Health insurance
7d
Marketing AI Specialist
Azul Systems —Sunnyvale, CA
- $35 an hour
- Full-time
- Remote
- Computer Science
- Marketing
- Mid-level
- Paid holidays
- Health insurance
Data Science & Analytics
Blocksi —Palo Alto, CA
- Entry level
Junior Applied AI Engineer- HRIS
Fortinet —Sunnyvale, CA
- $105,000 - $140,000 a year
- Full-time
- Azure
- Computer Science
- SQL
- Paid holidays
- Disability insurance
Data & AI Specialist
Windfall —San Francisco, CA
- $75,000 - $85,000 a year
- Full-time
- Bachelor's degree
- 1 year
- Communication skills
AI Research Resident
Polymath —San Francisco, CA
- Contract
- Remote
- Computer science
- Computer Science
- Machine learning
Quick Apply
AI Engineer
Fathom —San Francisco, CA
- Full-time
- Hybrid work
- Computer science
- Research
- Mid-level
AI Copywriter
Socure —San Francisco, CA
- $100,000 - $125,000 a year
- Full-time
- Hybrid work
- English
- 1 year
- Entry level
Data/AI Scientist II
Waymark —San Francisco, CA
- $98,000 - $164,000 a year
- Remote
- Background check
- Computer Science
- Mid-level
- Commuter assistance
- Paid parental leave
2d
Senior Business Developer – Robotics & Voice AI
Cerence AI —San Francisco Bay Area, CA
- $119,350 - $190,650 a year
- Full-time
- Hybrid work
- Background check
- Computer Science
- Master's degree
- Paid holidays
- Health insurance
7d
Principal Software Engineer – Robot Applications & Voice AI
Cerence AI —San Francisco Bay Area, CA
- $165,550 - $264,450 a year
- Full-time
- Hybrid work
- Background check
- Computer Science
- 5 years
- Health savings account
- Paid holidays
7d

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ai jobs near san mateo, ca

Principal Data Scientist - AI Trainer

DataAnnotation -
San Mateo, CA

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Job Details

Part-time | Full-time | Contract
$50 - $100 an hour

Benefits

Flexible schedule

Qualifications

Software coding
Design of experiments
English
Providing code feedback

Full Job Description

DataAnnotation is committed to creating quality AI. Help train AI chatbots while gaining the flexibility of remote work and choosing your own schedule.

We are looking for an existing Principal Data Scientist - AI Trainer to help train AI models. AI models are increasingly capable of performing complex analytical and scientific reasoning — but these systems still need practitioners with real-world quantitative experience to validate whether the outputs actually hold up in practice. That's where you come in.

You'll work closely with state-of-the-art AI models on tasks like evaluating AI-generated quantitative analysis, solving technical problems, and providing feedback that directly shapes how these systems reason about data, models, and scientific problems. Whether your background is in data science, astrophysics, economics, biostatistics, operations research, or any other quantitative field, if you think rigorously about data and models, your skills are directly applicable here. You can fit this work alongside a full-time role, or treat it as your primary focus, choosing projects and schedules that align with your availability and goals.

To get started, once you sign up for an account, you'll take a short assessment (this serves as our version of an interview). If you pass, you'll receive an email confirmation, and paid work will become available on our platform.

Advantages of contracting with us:

Fully remote: work from anywhere in the US, Canada, UK, Ireland, Australia, and New Zealand.
Flexible schedule: choose which projects you take on and when you work, on your own computer, from the comfort of your own home.
Competitive pay: projects are paid hourly at $50 to $100 USD per hour, with bonus rates available on some projects.
Impact: help shape the future of AI systems built to reason about data and analytics.

Responsibilities:

Evaluate AI-generated quantitative work, including statistical analysis, predictive modeling, scientific reasoning, and data-driven insights, for technical accuracy and real-world validity.
Design and solve quantitative problems used to train and benchmark AI systems, spanning areas like forecasting, experimental analysis, optimization, and statistical inference.
Write clear technical explanations and well-documented analytical code.
Provide feedback that directly shapes the next generation of AI models built for quantitative reasoning.

Qualifications:

3+ years of hands-on experience in a quantitative role or research environment — such as data science, statistics, economics, finance, physics, biology, epidemiology, operations research, or any adjacent field.
Some coding experience required, with comfort writing and reviewing analytical code end-to-end.
Practical experience with statistical methods, predictive modeling, and experiment design (e.g., A/B testing, hypothesis testing, regression, classification, time-series forecasting).
Fluency in English (native or bilingual level) with strong writing skills.
A bachelor's degree in a quantitative field preferred (Statistics, Computer Science, Mathematics, Engineering, or similar); an advanced degree (Master’s or PhD) is a plus.
Relevant credentials are a plus (e.g., Kaggle Competition ranking, AWS/GCP ML certifications, or equivalent demonstrated expertise).

Note: Payment is made via PayPal. We will never ask for any money from you. This job is only available to those in the US, Canada, UK, Ireland, Australia, and New Zealand.

Quick Apply

Refine Your Search

ai jobs in san mateo, ca

Principal Data Scientist - AI Trainer

Staff Software Engineer - AI Trainer

AI Strategist (All Levels)

Early Career Software Engineer – Applied AI

Visual Novel Writer, AI Content (Contractor)

AI Resident - Learning From Videos (LFV)

Junior AI Applications Engineer

AI-Native Data Engineer - TrueMeter

Early Career Machine Learning Engineer, Applied AI

Delivery Consultant - AI/ML, AWS Professional Services

Marketing AI Specialist

Data Science & Analytics

Junior Applied AI Engineer- HRIS

Data & AI Specialist

AI Research Resident

AI Engineer

AI Copywriter

Data/AI Scientist II

Senior Business Developer – Robotics & Voice AI

Principal Software Engineer – Robot Applications & Voice AI

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