Top 1801 Data scientist 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
Data Science Consultant - AI Trainer
DataAnnotation —San Ramon, CA
- $50 - $100 an hour
- Part-time
- Remote
- Computer Science
- English
- Mid-level
- Flexible schedule
Quick Apply
10d
Data Scientist
Finrise —Burlingame, CA
- Email
- Mid-level
- Math
- Bachelor's degree
Staff Data Scientist, Pricing
Block, Inc. —San Francisco Bay Area, CA
- $239,600 - $359,400 a year
- Remote
- 5 years
- Analysis skills
- Bachelor's degree
- Life insurance
- Retirement plan
1d
Data Scientist
Glint Tech Solutions LLC —Sunnyvale, CA
- Senior level
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Senior Data Scientist
ServiceNow —Mountain View, CA
- $161,300 - $274,200 a year
- Online Application
- Computer Science
- 5 years
- System design
- Employee stock purchase plan
- Health insurance
Quick Apply
AI Engineer
David Joseph & Company —San Francisco, CA
- $150,000 - $250,000 a year
- Full-time
- Remote
- HIPAA
- Mid-level
- 2 years
Quick Apply
AI/ML Applied Scientist - Remote
UnitedHealth Group —San Francisco, CA
- $112,300 - $134,800 a year
- Full-time
- Hybrid work
- Computer Science
- Pass drug screening
- Office
8d
Data Scientist
Teknatio —Menlo Park, CA
- Remote
- Computer science
- Computer Science
- System design
Data Scientist
Block, Inc. —San Francisco Bay Area, CA
- $178,200 - $297,000 a year
- Remote
- Salesforce
- 3 years
- Master's degree
- Life insurance
- Retirement plan
3d
Data Scientist
Tarro —San Mateo, CA
- $180,000 - $250,000 a year
- Full-time
- Hybrid work
- Computer science
- Computer Science
- 3 years
Data Scientist
University of California San Francisco —San Francisco, CA
- Full-time
- Azure
- Computer Science
- Mid-level
Data Scientist, Analytics
Discord —San Francisco Bay Area, CA
- $180,000 - $220,000 a year
- Full-time
- Mid-level
- SQL
- Analysis skills
6d
Data Scientist
NutaNXT Technologies —Santa Clara, CA
- Azure
- Mid-level
- SQL
Data Scientist
Dyneti —San Mateo, CA
- Full-time
- Hybrid work
- Data analysis skills
- Research
- Mid-level
Data Scientist, Growth
Quince —Palo Alto, CA
- $171,000 - $198,000 a year
- Background check
- SQL
- 1 year
3d
Data Scientist
Stanford Blood Center —Palo Alto, CA
- $75 - $100 an hour
- Contract
- Hybrid work
- Computer Science
- Mid-level
- Master's degree
- Flexible schedule
Quick Apply
13d
Data Scientist
Mastercard —San Francisco, CA
- $138,000 - $221,000 a year
- Online Application
- Computer Science
- Master's degree
- SQL
- Paid jury duty
- Health savings account
Data Scientist
Ramp —San Francisco, CA
- $137,120 - $297,330 a year
- Full-time
- Hybrid work
- Mid-level
- SQL
- Home Health
- Travel reimbursement
- AD&D insurance
Data Scientist
Twitch —San Francisco, CA
- $136,000 - $212,800 a year
- Computer science
- Computer Science
- Mid-level
- AD&D insurance
- Disability insurance
14d

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data scientist 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.

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data scientist jobs in san mateo, ca

Principal Data Scientist - AI Trainer

Data Science Consultant - AI Trainer

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Senior Data Scientist

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