Top 351 Applied scientist Jobs in Arlington Va

Applied Scientist - AI Trainer
DataAnnotation —Rockville, MD
- $50 - $100 an hour
- Part-time
- Remote
- Computer Science
- English
- Mid-level
- Flexible schedule
Quick Apply
7d
Applied Research Mathematician / Generative AI
National Security Agency —Fort Meade, MD
- $132,751 - $197,200 a year
- 8 hour shift
- Computer science
- Doctoral degree
- Computer Science
2d
Computational Scientist – Metasurfaces, Photonics, and Inverse Design
Johns Hopkins Applied Physics Laboratory (APL) —Laurel, MD
- $85,000 - $195,000 a year
- Full-time
- Mid-level
- Master's degree
- 1 year
- Disability insurance
- Health insurance
AI/ML Research Scientist - Agentic Systems
Peraton —Herndon, VA
- $104,000 - $166,000 a year
- Office
- 3 years
- Master's degree
- Health savings account
- Paid holidays
GD166 Atmospheric Data Support Scientist
ADNET Systems, Inc. —Greenbelt, MD
- 3 years
- Doctor of Philosophy
- Senior level
- Paid holidays
- Disability insurance
Quick Apply
Applied Researcher II
Capital One —McLean, VA
- Email
- Computer Science
- Mid-level
- Office
- Health insurance
Applied Researcher II
Capital One —McLean, VA
- Email
- Computer Science
- Mid-level
- Office
- Health insurance
AI/ML Research Scientist - Agentic Systems
Peraton —Herndon, VA
- $112,000 - $179,000 a year
- Master's degree
- 8 years
- Analysis skills
- Health savings account
- Paid holidays
Applied Researcher I
Capital One —McLean, VA
- Email
- Computer Science
- Office
- AWS
- Health insurance
Applied Researcher II
Capital One —McLean, VA
- Email
- Computer Science
- Mid-level
- Office
- Health insurance
Applied Researcher I
Capital One —McLean, VA
- Email
- Computer Science
- Office
- AWS
- Health insurance
Applied Researcher I (AI Foundations, LLM Customization, Finetuning, Reinforcement Learning)
Capital One —McLean, VA
- Email
- Computer Science
- Office
- AWS
- Health insurance
Associate Scientist I
Microbac —Sterling, VA
- Seasonal
- Computer literacy
- Pass drug screening
- Bachelor's degree
- Wellness program
- Paid holidays
Quick Apply
13d
Applied Scientist, AWS Science of Security
Amazon.com Services LLC —Arlington, VA
- $142,800 - $223,400 a year
- Full-time
- Mid-level
- Analysis skills
- Doctor of Philosophy
- AD&D insurance
- Health insurance
Laboratory Technician - Fairfax, VA
UL Solutions —Fairfax, VA
- $45,000 - $60,000 a year
- Overtime
- Bachelor's degree
- Cleaning
- In-person
- Health insurance
- Dental insurance
11d
Applied Scientist, WHS Data-Tech
Amazon.com Services LLC —Arlington, VA
- $136,000 - $193,200 a year
- Full-time
- Computer Science
- Java
- Master's degree
- AD&D insurance
- Health insurance
Bioinformatics Support Analyst
Guidehouse Digital, LLC —Washington, DC
- $85,000 - $141,000 a year
- Full-time
- Mid-level
- AWS
- Bachelor's degree
- Commuter assistance
- Health savings account
3d
Senior Applied Scientist - Predictive Scoring, AWS Marketing Science
Amazon Web Services, Inc. —Arlington, VA
- $167,100 - $226,100 a year
- Full-time
- 6 years
- Java
- Master's degree
- AD&D insurance
- Health insurance
5d
Senior Scientist/Engineer
ERG —Arlington, VA
- $65 - $180 an hour
- Part-time
- 5 years
- Math
- Doctor of Philosophy
Quick Apply
Senior Applied Scientist, AWS Science of Security
Amazon.com Services LLC —Arlington, VA
- $167,100 - $226,100 a year
- Full-time
- 6 years
- Master's degree
- Analysis skills
- AD&D insurance
- Health insurance

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applied scientist jobs near arlington va

Applied Scientist - AI Trainer

DataAnnotation -
Rockville, MD

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 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

applied scientist jobs in arlington va

Applied Scientist - AI Trainer

Applied Research Mathematician / Generative AI

Computational Scientist – Metasurfaces, Photonics, and Inverse Design

AI/ML Research Scientist - Agentic Systems

GD166 Atmospheric Data Support Scientist

Applied Researcher II

Applied Researcher II

AI/ML Research Scientist - Agentic Systems

Applied Researcher I

Applied Researcher II

Applied Researcher I

Applied Researcher I (AI Foundations, LLM Customization, Finetuning, Reinforcement Learning)

Associate Scientist I

Applied Scientist, AWS Science of Security

Laboratory Technician - Fairfax, VA

Applied Scientist, WHS Data-Tech

Bioinformatics Support Analyst

Senior Applied Scientist - Predictive Scoring, AWS Marketing Science

Senior Scientist/Engineer

Senior Applied Scientist, AWS Science of Security

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