Top 2137 Science Jobs in Arlington, VA

Machine Learning Scientist - AI Trainer
DataAnnotation —Reston, VA
- $50 - $100 an hour
- Part-time
- Remote
- Computer Science
- English
- Mid-level
- Flexible schedule
Quick Apply
7d
Data Scientist - AI Trainer
DataAnnotation —Sterling, VA
- $50 - $100 an hour
- Part-time
- Remote
- Computer Science
- English
- Mid-level
- Flexible schedule
Quick Apply
7d
Data Scientist - AI Trainer
DataAnnotation —Falls Church, VA
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Research Associate I - MRBD
Henry M. Jackson Foundation —Silver Spring, MD
- $52,800 - $65,000 a year
- Full-time
- Entry level
- Health insurance
- Dental insurance
14d
Research Associate
Institute for Defense Analyses —Alexandria, VA
- $68,681 - $194,054 a year
- Email
- Writing skills
- Master's degree
- Analysis skills
13d
Science Lab Technician
Nord Anglia Education —Washington, DC
- 18 years or older
- Entry level
Research Analyst- REMOTE
ICF —Reston, VA
- $55,665 - $94,631 a year
- Full-time
- Remote
- Microsoft Outlook
- Public speaking
- Bachelor's degree
3d
Clinical Research Associate I - CDP
Henry M. Jackson Foundation —Bethesda, MD
- $25.38 - $36.06 an hour
- Part-time
- Remote
- University
- Entry level
- Health insurance
- Dental insurance
7d
Onboarding Coordinator- PESMOA
Henry M. Jackson Foundation —Bethesda, MD
- $25.38 - $40.77 an hour
- Full-time
- Mid-level
- University
- Health insurance
- Dental insurance
Associate Biologist
ATCC —Manassas, VA
- $60,000 - $65,000 a year
- Full-time
- Bachelor's degree
- In-person
- Communication skills
- 403(b) matching
- Paid parental leave
10d
Biostatistician I - Brain Tissue Repository
Henry M. Jackson Foundation —Bethesda, MD
- $67,500 - $76,000 a year
- Full-time
- Entry level
- Health insurance
- Dental insurance
Clinical Research Coordinator I - VESPER
Henry M. Jackson Foundation —Washington, DC
- $52,800 - $57,164 a year
- Full-time
- Hybrid work
- Entry level
- Health insurance
- Dental insurance
Clinical Research Coordinator I - Medicine
Henry M. Jackson Foundation —Bethesda, MD
- Full-time
- University
- Entry level
- Health insurance
- Dental insurance
Associate Scientist - VESPER
Henry M. Jackson Foundation —Washington, DC
- $61,000 - $92,000 a year
- Full-time
- Hybrid work
- Management
- Mid-level
- Health insurance
- Dental insurance
Research Assistant I - Animal Model Research
Henry M. Jackson Foundation —Bethesda, MD
- $19.33 - $24.00 an hour
- Full-time
- Entry level
- Health insurance
- Dental insurance
Emerging Scholar
MERCATUS CENTER INC —Arlington, VA
- $80,000 - $100,000 a year
- Full-time
- Writing skills
- Analysis skills
- University
- Disability insurance
- Health insurance
Research Assistant I - OUMD
Henry M. Jackson Foundation —Silver Spring, MD
- $19.33 - $25.00 an hour
- Full-time
- Entry level
- Health insurance
- Dental insurance
10d
Research Associate I - Public Health Research - DC Hybrid Office
NORC at the University of Chicago —Washington, DC
- $56,000 a year
- Full-time
- Hybrid work
- Office
- Business development experience
- Analysis skills
- Paid parental leave
- Paid holidays
Laboratory Technician/Assistant
Georgetown University —Washington, DC
- $18.40 - $27.33 an hour
- Full-time
- Math
- University
- 1 year
- Disability insurance
- Health insurance
1d
Clinical Research Coordinator II - DARPA
Henry M. Jackson Foundation —Bethesda, MD
- $61,000 - $90,000 a year
- Full-time
- Hybrid work
- Psychiatry
- Mid-level
- Office
- Health insurance
- Dental insurance

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Machine Learning Scientist - AI Trainer

DataAnnotation -
Reston, VA

Quick Apply

Job Details

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

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 Machine Learning 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

science jobs in Arlington, VA

Machine Learning Scientist - AI Trainer

Data Scientist - AI Trainer

Data Scientist - AI Trainer

Research Associate I - MRBD

Research Associate

Science Lab Technician

Research Analyst- REMOTE

Clinical Research Associate I - CDP

Onboarding Coordinator- PESMOA

Associate Biologist

Biostatistician I - Brain Tissue Repository

Clinical Research Coordinator I - VESPER

Clinical Research Coordinator I - Medicine

Associate Scientist - VESPER

Research Assistant I - Animal Model Research

Emerging Scholar

Research Assistant I - OUMD

Research Associate I - Public Health Research - DC Hybrid Office

Laboratory Technician/Assistant

Clinical Research Coordinator II - DARPA

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