Top 268 Ai scientist Jobs in United States Fully Remote

Physicist - AI Trainer
DataAnnotation —Parsippany-Troy Hills, NJ
- $50 - $100 an hour
- Part-time
- Remote
- Computer Science
- English
- Mid-level
- Flexible schedule
Quick Apply
Physicist - AI Trainer
DataAnnotation —Berkeley Heights, NJ
- $50 - $100 an hour
- Part-time
- Remote
- Computer Science
- English
- Mid-level
- Flexible schedule
Quick Apply
Psychology Specialist - Freelance AI Trainer Project
Meridial —Remote
- $8 - $65 an hour
- Remote
- Mid-level
- Bachelor's degree
- Psychology
- Health insurance
Biological Sciences AI Trainer
Handshake AI —Remote
- Part-time
- Remote
- Entry level
AI Research Scientist, Agentic Systems (Remote)
CrowdStrike —Remote
- $120,000 - $180,000 a year
- Full-time
- Remote
- Doctor of Philosophy
- Senior level
- Paid holidays
- Health insurance
Research Scientist – AI
Bright Vision Technologies —Remote
- $100,000 - $150,000 a year
- Email
- Remote
- 6 years
- Computer Science
- Master's degree
1d
Machine Learning Scientist - AI Trainer
DataAnnotation —Alpharetta, GA
- $50 - $100 an hour
- Part-time
- Remote
- Computer Science
- Writing skills
- English
- Flexible schedule
Quick Apply
Machine Learning Scientist - AI Trainer
DataAnnotation —San Diego, CA
- $50 - $100 an hour
- Part-time
- Remote
- Computer Science
- Writing skills
- English
- Flexible schedule
Quick Apply
Physics Expert (Professor / Principal Investigator) – AI Trainer
micro1 —Boston, MA
- $80 - $160 an hour
- Contract
- Remote
- Doctor of Philosophy
- Senior level
- Leadership
- Flexible schedule
Physics Expert (Postdoc / Junior professor) – AI Trainer
micro1 —Pasadena, LA
- $80 - $150 an hour
- Contract
- Remote
- Analysis skills
- Math
- Doctor of Philosophy
- Flexible schedule
Computational Chemistry Expert - AI trainer
micro1 —Remote
- $40 - $60 an hour
- Contract
- Remote
- Doctor of Philosophy
- Software development
- Senior level
- Flexible schedule
Senior AI/ML Applied Scientist - Remote
UnitedHealth Group —Bellevue, WA
- $130,000 - $162,500 a year
- Full-time
- Remote
- Computer Science
- Pass drug screening
- 3 years
Computational Physics Expert - AI trainer
micro1 —Boston, MA
- $40 - $60 an hour
- Contract
- Remote
- C++
- Math
- Doctor of Philosophy
- Flexible schedule
AI Scientist / Senior AI Scientist
Order.co —Remote
- Full-time
- Remote
- System design
- AWS
- Continuous improvement
Quick Apply
Microbiology Specialist - Freelance AI Trainer Project
Meridial —Remote
- $6 - $65 an hour
- Mid-level
- Master's degree
- Doctor of Philosophy
Anthropology Specialist - Freelance AI Trainer Project
Meridial —Austin, TX
- $6 - $65 an hour
- Remote
- Doctor of Philosophy
- Senior level
History Specialist - Freelance AI Trainer Project
Meridial —Remote
- $8 - $65 an hour
- Remote
- Master's degree
- Doctor of Philosophy
- Visual & Performing Arts
Computational Biology AI Reviewer
AuraOne Human Data —Remote
- Remote
- Mid-level
- Doctor of Philosophy
- US work authorization
Research Staff, Voice AI Foundations
Deepgram —Remote
- $150,000 - $250,000 a year
- Email
- Remote
- Mid-level
- Analysis skills
- Math
Politics & Government Specialist – Freelance AI Trainer Project
Meridial —Remote
- $6 - $65 an hour
- Remote
- Mid-level
- Health insurance

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ai scientist jobs near united states fully remote

Physicist - AI Trainer

DataAnnotation -
Parsippany-Troy Hills, NJ

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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 Physicist - 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 scientist jobs in united states fully remote

Physicist - AI Trainer

Physicist - AI Trainer

Psychology Specialist - Freelance AI Trainer Project

Biological Sciences AI Trainer

AI Research Scientist, Agentic Systems (Remote)

Research Scientist – AI

Machine Learning Scientist - AI Trainer

Machine Learning Scientist - AI Trainer

Physics Expert (Professor / Principal Investigator) – AI Trainer

Physics Expert (Postdoc / Junior professor) – AI Trainer

Computational Chemistry Expert - AI trainer

Senior AI/ML Applied Scientist - Remote

Computational Physics Expert - AI trainer

AI Scientist / Senior AI Scientist

Microbiology Specialist - Freelance AI Trainer Project

Anthropology Specialist - Freelance AI Trainer Project

History Specialist - Freelance AI Trainer Project

Computational Biology AI Reviewer

Research Staff, Voice AI Foundations

Politics & Government Specialist – Freelance AI Trainer Project

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