Top 8 Quantitative trader Jobs in California

Quantitative Trader - AI Trainer
DataAnnotation —Torrance, CA
- $50 - $100 an hour
- Part-time
- Remote
- Computer Science
- Writing skills
- English
- Flexible schedule
Quick Apply
12d
Quantitative Trader - AI Trainer
DataAnnotation —Burlington, CA
- $50.00 - $140.56 an hour
- Part-time
- Remote
- Computer Science
- English
- Mid-level
- Flexible schedule
Quick Apply
Associate Trader
CAPTRUST —Costa Mesa, CA
- $85,000 - $95,000 a year
- Full-time
- Office
- Finance
- Analysis skills
- Health savings account
- Disability insurance
3d
Trader - Program Trading & FX Team
Artisan Partners —San Francisco, CA
- $125,000 - $160,000 a year
- Urgently hiring
- Mid-level
- Office
- 3 years
Associate, Short Term Trader
PIMCO —Newport Beach, CA
- $135,000 - $150,000 a year
- Online Application
- Mid-level
- Office
- Analysis skills
Manager, eFX Trader
Visa U.S.A. Inc. —Foster City, CA
- $129,200 - $206,700 a year
- Full-time
- Hybrid work
- 5 years
- Office
- Bachelor's degree
- Wellness program
- Health savings account
Trader, Investment Grade Credit
PIMCO —Newport Beach, CA
- $205,000 - $305,000 a year
- Online Application
- Analysis skills
- Senior level
- Master of Business Administration
Senior Trader
CAPTRUST —Costa Mesa, CA
- $140,000 - $170,000 a year
- Full-time
- 5 years
- Office
- Finance
- Health savings account
- Disability insurance
15h

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Underwriter (Private Equity / Real Estate)
GPR Ventures / Duke Capital Ventures —Mountain View, CA
Degree in finance, economics, statistics, accounting, or related field. Coordinate with internal team and various engineering, architectural, and legal partners…
$90,000 - $140,000 a year
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Quantitative Trader - AI Trainer
DataAnnotation —Torrance, CA
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.
$50 - $100 an hour
Quick Apply
12d

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Quantitative Trader - AI Trainer

DataAnnotation -
Torrance, CA

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Job Details

Part-time | Full-time | Contract
$50 - $100 an hour
12 days ago

Benefits

Flexible schedule

Qualifications

Quantitative applied research
Predictive modeling analysis
Software coding
Writing skills
Design of experiments
English
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 Quantitative Trader - 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

quantitative trader jobs in california

Quantitative Trader - AI Trainer

Quantitative Trader - AI Trainer

Associate Trader

Trader - Program Trading & FX Team

Associate, Short Term Trader

Manager, eFX Trader

Trader, Investment Grade Credit

Senior Trader

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