Top 344 Ai developer Jobs in San Mateo, Ca

Principal Data Scientist - AI Trainer
DataAnnotation —San Mateo, CA
- $40 - $60 an hour
- Part-time
- Remote
- Computer Science
- Writing skills
- English
- Flexible schedule
Quick Apply
Predictive Modeler - AI Trainer
DataAnnotation —Palo Alto, CA
- $40 - $60 an hour
- Part-time
- Remote
- Computer Science
- Writing skills
- English
- Flexible schedule
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Application Security Engineer - AI Trainer
DataAnnotation —San Francisco Bay Area, CA
- $40 - $60 an hour
- Part-time
- Remote
- English
- Mid-level
- Bachelor's degree
- Flexible schedule
Quick Apply
Security Engineer - AI Trainer
DataAnnotation —San Ramon, CA
- $40 - $60 an hour
- Part-time
- Remote
- English
- Mid-level
- Bachelor's degree
- Flexible schedule
Quick Apply
Salesforce and AI Developer
Mirketa Inc —Dublin, CA
- $90,000 a year
- Full-time
- Hybrid work
- Mid-level
- Office
- Java
- Health insurance
- Dental insurance
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Software Developer (Java, .NET, Angular, AI, Mandarin MUST)
Software.Enterprises —Sunnyvale, CA
- $65,000 - $90,000 a year
- Full-time
- Azure
- Computer Science
- Java
- Relocation assistance
- Health insurance
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4d
Software Engineer
Anatomy Financial —San Mateo, CA
- Full-time
- System design
- Mid-level
- AWS
Senior AI Engineer
QuinStreet —Foster City, CA
- $80 - $100 an hour
- Remote
- System design
- 11+ years
- JavaScript
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7d
Senior Software Engineer
Anatomy Financial —San Mateo, CA
- Full-time
- Computer Science
- 5 years
- Writing skills
AI Kernel Engineer
quadric, Inc —Burlingame, CA
- $110,000 - $270,000 a year
- Full-time
- Hybrid work
- Computer Science
- 5 years
- Office
- Health insurance
- Dental insurance
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Quantitative Developer
Poesis —San Francisco, CA
- $180,000 - $275,000 a year
- Full-time
- Hybrid work
- Computer Science
- Bachelor of Science
- Mid-level
- Commuter assistance
- Health insurance
JetBrains AI Developer Advocate (San Francisco)
JetBrains —Foster City, CA
- $120,000 - $216,000 a year
- English
- Mid-level
- JavaScript
Applied AI Engineer
CodeRabbit —San Francisco, CA
- $200,000 - $275,000 a year
- Full-time
- Hybrid work
- Computer science
- Computer Science
- System design
Senior Member of Technical Staff, AI Research
Salesforce —Palo Alto, CA
- $148,500 - $223,900 a year
- Full-time
- Azure
- System design
- Java
- Paid parental leave
- Disability insurance
Senior Server Engineer (Rails)
BXGI —Palo Alto, CA
- Email
- Remote
- Computer Science
- 5 years
- Bachelor of Science
AI Developer Productivity Engineer
Zoox —Foster City, CA
- $172,000 - $263,000 a year
- Email
- Computer Science
- System design
- Mid-level
- Disability insurance
- Health insurance
Quick Apply
AI Developer Experience
Mashgin —Palo Alto, CA
- $185,000 - $275,000 a year
- Full-time
- Computer science
- 6 years
- Computer Science
- Dental insurance
- 401(k)
AI Engineer
OPPO US Research Center —Palo Alto, CA
- $100,000 - $200,000 a year
- Full-time
- Computer Science
- System design
- Master's degree
Quick Apply
14d
Software Engineer, AI Data & Evaluation
Mercor —San Francisco, CA
- $130,000 - $500,000 a year
- Full-time
- System design
- Office
- Continuous improvement
- Health insurance
- Dental insurance
7d
Sr Software Engineer
PlayStation Global —San Mateo, CA
- $193,300 - $289,900 a year
- System design
- Master's degree
- Bachelor's degree
Quick Apply

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Principal Data Scientist - AI Trainer

DataAnnotation -
San Mateo, CA

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Job Details

Part-time | Full-time | Contract
$40 - $60 an hour

Benefits

Flexible schedule

Qualifications

Quantitative applied research
Predictive modeling analysis
Software coding
Writing skills
Design of experiments
English
Predictive analytics projects
Providing code feedback

Full Job Description

Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule.

We are looking for an experienced Principal Data Scientist - AI Trainer to help advance AI development. 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.

As a member of DataAnnotation's team, 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. Some team members fit this work alongside a full-time role, while others treat it as their primary focus.

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.

Benefits:

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.
Competitive pay: projects are paid hourly, up to $60 USD per hour. Opportunities for higher-paying projects are available with strong performance.
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:

2+ 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 is preferred (Statistics, Computer Science, Mathematics, Engineering, or similar); a 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 developer jobs in san mateo, ca

Principal Data Scientist - AI Trainer

Predictive Modeler - AI Trainer

Application Security Engineer - AI Trainer

Security Engineer - AI Trainer

Salesforce and AI Developer

Software Developer (Java, .NET, Angular, AI, Mandarin MUST)

Software Engineer

Senior AI Engineer

Senior Software Engineer

AI Kernel Engineer

Quantitative Developer

JetBrains AI Developer Advocate (San Francisco)

Applied AI Engineer

Senior Member of Technical Staff, AI Research

Senior Server Engineer (Rails)

AI Developer Productivity Engineer

AI Developer Experience

AI Engineer

Software Engineer, AI Data & Evaluation

Sr Software Engineer

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