Top 355 Ai scientist Jobs in U.s.+remote

Cognitive Scientist - AI Trainer
DataAnnotation —Provo, UT
- $50 - $100 an hour
- Part-time
- Remote
- Computer Science
- English
- Mid-level
- Flexible schedule
Quick Apply
Applied Scientist - AI Trainer
DataAnnotation —Arvada, CO
- $50 - $100 an hour
- Part-time
- Remote
- Computer Science
- English
- Mid-level
- Flexible schedule
Quick Apply
Epidemiology Specialist - Freelance AI Trainer Project
Meridial —Austin, TX
- $8 - $65 an hour
- Remote
- Doctor of Philosophy
- Senior level
- Health insurance
Psychology Specialist - Freelance AI Trainer Project
Meridial —Austin, TX
- $8 - $65 an hour
- Remote
- Mid-level
- Bachelor's degree
- Psychology
- Health insurance
Philosophy Specialist - Freelance AI Trainer Project
Meridial —Austin, TX
- $8 - $65 an hour
- Remote
- Doctor of Philosophy
- Senior level
Politics & Government Specialist – Freelance AI Trainer Project
Meridial —Austin, TX
- $6 - $65 an hour
- Remote
- Mid-level
- Health insurance
Physics Expert (PhD / Postdoc) – AI Trainer
micro1 —Remote
- $80 - $140 an hour
- Contract
- Remote
- Math
- Doctor of Philosophy
- Senior level
- Flexible schedule
Director, Biologics Engineering, – Remote - 315679
Decode Origin —Remote
- $150 - $300 an hour
- Part-time
- 8 years
- Analysis skills
- Doctor of Philosophy
Quick Apply
Computational Chemistry Expert - AI trainer
micro1 —Remote
- $40 - $60 an hour
- Contract
- Remote
- Doctor of Philosophy
- Software development
- Senior level
- Flexible schedule
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
11d
Physics Expert (Postdoc / Junior professor) – AI Trainer
micro1 —Remote
- $80 - $150 an hour
- Contract
- Remote
- Analysis skills
- Math
- Doctor of Philosophy
- Flexible schedule
Remote Senior Bioinformatics Scientist (PhD)-581639
Decode Origin —Remote
- $80 - $150 an hour
- Part-time
- Remote
- 3 years
- Analysis skills
- Doctor of Philosophy
Quick Apply
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 —Remote
- $40 - $60 an hour
- Contract
- Remote
- C++
- Math
- Doctor of Philosophy
- Flexible schedule
Physics Expert (Professor / Principal Investigator) – AI Trainer
micro1 —Remote
- $80 - $160 an hour
- Contract
- Remote
- Doctor of Philosophy
- Senior level
- Leadership
- Flexible schedule
Computational Chemist - AI Trainer
DataAnnotation —Pasadena, CA
- $50 - $100 an hour
- Part-time
- Remote
- Computer Science
- Writing skills
- English
- Flexible schedule
Quick Apply
11d
Computer Science Expert (PhD) – AI Trainer
micro1 —Remote
- $80 - $90 an hour
- Contract
- Remote
- Computer science
- Computer Science
- Research
- Flexible schedule
13d
Senior AI Researcher
On behalf of Next Deavor —Remote
- $150,000 - $220,000 a year
- Full-time
- Remote
- Senior level
- Python
Quick Apply
4d
Staff Machine Learning Scientist – Personalization (Open to Remote)
Penguin Random House US —New York, NY
- $210,000 - $250,000 a year
- Full-time
- Remote
- Management
- Computer Science
- System design
- Commuter assistance
- Health savings account
Quick Apply
Remote Computational Medicinal Chemist (AI-Enabled Small Molecule Design) – 215678
Decode Origin —Remote
- $80 - $150 an hour
- Part-time
- 3 years
- Analysis skills
- Doctor of Philosophy
Quick Apply
1d

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Cognitive Scientist - AI Trainer

DataAnnotation -
Provo, UT

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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 Cognitive 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 scientist jobs in u.s.+remote

Cognitive Scientist - AI Trainer

Applied Scientist - AI Trainer

Epidemiology Specialist - Freelance AI Trainer Project

Psychology Specialist - Freelance AI Trainer Project

Philosophy Specialist - Freelance AI Trainer Project

Politics & Government Specialist – Freelance AI Trainer Project

Physics Expert (PhD / Postdoc) – AI Trainer

Director, Biologics Engineering, – Remote - 315679

Computational Chemistry Expert - AI trainer

Machine Learning Scientist - AI Trainer

Physics Expert (Postdoc / Junior professor) – AI Trainer

Remote Senior Bioinformatics Scientist (PhD)-581639

Senior AI/ML Applied Scientist - Remote

Computational Physics Expert - AI trainer

Physics Expert (Professor / Principal Investigator) – AI Trainer

Computational Chemist - AI Trainer

Computer Science Expert (PhD) – AI Trainer

Senior AI Researcher

Staff Machine Learning Scientist – Personalization (Open to Remote)

Remote Computational Medicinal Chemist (AI-Enabled Small Molecule Design) – 215678

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