Top 361 Scientist Jobs in Boulder, Co

Applied Scientist - AI Trainer
DataAnnotation —Arvada, CO
- $50 - $100 an hour
- Part-time
- Remote
- Computer Science
- English
- Mid-level
- Flexible schedule
Quick Apply
Research Data Scientist - AI Trainer
DataAnnotation —Westminster, CO
- $50 - $100 an hour
- Part-time
- Remote
- Computer Science
- English
- Mid-level
- Flexible schedule
Quick Apply
Decision Scientist - AI Trainer
DataAnnotation —Boulder, CO
- $50 - $100 an hour
- Part-time
- Remote
- Computer Science
- Writing skills
- English
- Flexible schedule
Quick Apply
11d
Medical Laboratory Scientist or Technician
HCA HealthONE Presbyterian St. Luke's —Denver, CO
- $29.87 - $46.83 an hour
- Full-time
- Bachelor of Science
- Mid-level
- Children
- Employee stock purchase plan
- Disability insurance
Quick Apply
Research Analyst
Ardent Eagle Solutions —Boulder, CO
- $88,000 - $102,000 a year
- Full-time
- Hybrid work
- Bachelor of Science
- Mid-level
- Office
- Health insurance
- Dental insurance
Sustainability and Building Performance Associate
City of Boulder, CO —Boulder, CO
- $24.96 - $36.21 an hour
- Full-time
- Hybrid work
- Microsoft Word
- Background check
- Computer literacy
5d
R&D Scientist
Agilent Technologies, Inc. —Boulder, CO
- $127,680 - $199,500 a year
- Full-time
- 5 years
- Master's degree
- Analysis skills
Research Associate or Scientist - Chemist
RAPTOR MEDICINES INC —Boulder, CO
- $75,000 - $125,000 a year
- Full-time
- Bachelor of Science
- Mid-level
- Bachelor's degree
- Health insurance
- Paid time off
Quick Apply
Quality Control Microbiology Analyst
Agilent Technologies, Inc. —Frederick, CO
- $27.15 - $42.43 an hour
- Full-time
- Microsoft Excel
- Bachelor of Science
- Mid-level
Scientist I, Research &Development
ImmunityBio —Louisville, CO
- $110,000 - $121,000 a year
- Full-time
- Master's degree
- 8 years
- Analysis skills
- AD&D insurance
- Disability insurance
Research Associate I/II
KBI Biopharma —Boulder, CO
- $55,000 - $80,000 a year
- Full-time
- Master's degree
- Bachelor's degree
- Continuous improvement
- Paid holidays
- Health insurance
Research Scientist
Zero Carbon Systems, Inc. —Brighton, CO
- $85,000 - $105,000 a year
- Full-time
- 5 years
- Engineering
- Travel
Quick Apply
6d
Data Reviewer/Associate Scientist
KBI Biopharma —Boulder, CO
- $74,000 - $102,300 a year
- Full-time
- Bachelor of Science
- Bachelor's degree
- Military encouraged
- Paid holidays
- Health insurance
Lab Automation Scientist
Eli Lilly —Louisville, CO
- $71,250 - $161,700 a year
- Full-time
- Bachelor of Science
- English
- Bachelor's degree
- Health insurance
- Dental insurance
11d
Research Associate, Analytical Chemistry
Agilent Technologies, Inc. —Boulder, CO
- $100,720 - $157,375 a year
- Full-time
- Master's degree
- 8 years
- Bachelor's degree
Chemist/Formulator for Supplements Company
Dragon Manufacturing —Longmont, CO
- $80,000 - $150,000 a year
- Full-time
- 5 years
- Master's degree
- Bachelor's degree
- Health insurance
- 401(k)
Quick Apply
15h
Laboratory Scientist 2 - Quality Labs
Terumo —Lakewood, CO
- $71,900 - $89,900 a year
- Bachelor's degree
- Continuous improvement
- Senior level
- Wellness program
- Health insurance
Medical Lab Scientist
UCHealth —Broomfield, CO
- $33.82 - $50.73 an hour
- PRN
- Hospital
- Mid-level
- Bachelor's degree
- 403(b) matching
- Health savings account
5d
Food Scientist III
Danone —Louisville, CO
- $88,000 - $118,000 a year
- Full-time
- Hybrid work
- Addiction Medicine
- Office
- Master's degree
- Wellness program
- Paid parental leave
5d
Manager, User Experience (Plant Based Food & Beverage)
Danone —Louisville, CO
- $118,000 - $169,000 a year
- Full-time
- Hybrid work
- Addiction Medicine
- Office
- Master's degree
- Wellness program
- Paid parental leave
5d

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Applied Scientist - AI Trainer

DataAnnotation -
Arvada, CO

Quick Apply

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 Applied 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

scientist jobs in boulder, co

Applied Scientist - AI Trainer

Research Data Scientist - AI Trainer

Decision Scientist - AI Trainer

Medical Laboratory Scientist or Technician

Research Analyst

Sustainability and Building Performance Associate

R&D Scientist

Research Associate or Scientist - Chemist

Quality Control Microbiology Analyst

Scientist I, Research &Development

Research Associate I/II

Research Scientist

Data Reviewer/Associate Scientist

Lab Automation Scientist

Research Associate, Analytical Chemistry

Chemist/Formulator for Supplements Company

Laboratory Scientist 2 - Quality Labs

Medical Lab Scientist

Food Scientist III

Manager, User Experience (Plant Based Food & Beverage)

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