Top 1545 Data scientist 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
Data Science Manager - AI Trainer
DataAnnotation —McLean, VA
- $50 - $100 an hour
- Part-time
- Remote
- Computer Science
- English
- Mid-level
- Flexible schedule
Quick Apply
Data Scientist
Desmata Inc —Arlington, VA
- $116,380.41 - $140,157.05 a year
- Full-time
- Java
- AWS
- Analysis skills
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8d
Data Scientist
Leidos —Springfield, VA
- $116,350 - $210,325 a year
- Full-time
- Computer Science
- 11+ years
- Office
7d
Data Scientist
Leidos —Springfield, VA
- $116,350 - $210,325 a year
- Full-time
- Computer Science
- 11+ years
- Office
7d
AI Prompt Engineer
CACI —Ashburn, VA
- $61,100 - $122,200 a year
- Full-time
- Hybrid work
- Computer Science
- Software troubleshooting
- Mid-level
- Health insurance
Data Scientist - Mid
Cherokee Federal —Washington, DC
- $110,000 - $122,000 a year
- Full-time
- System design
- Research
- SQL
- Health insurance
- Dental insurance
Data Scientist / Analyst Support II
Innovative Technologies Corporation —Washington, DC
- $140,000 - $150,000 a year
- Full-time
- Computer Science
- Military
- Office
- Health insurance
- Dental insurance
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Senior Data Scientist
Navy Federal Credit Union —Vienna, VA
- $99,400 - $155,850 a year
- Online Application
- Computer science
- Computer Science
- Mid-level
Data Scientist
Avalore, LLC —Arlington, VA
- $89,000 - $202,000 a year
- Online Application
- Computer literacy
- English
- Mid-level
- AD&D insurance
- Disability insurance
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4d
Data Scientist (Local candidates)
Stier Solutions Inc —Arlington, VA
- Up to $210,000 a year
- Contract
- Computer science
- Computer Science
- 5 years
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1d
Data Scientist
Hive Group LLC —McLean, VA
- Email
- Computer Science
- Mid-level
- Office
Quick Apply
Machine Learning Engineer
aqua IT —Springfield, VA
- Full-time
- Mid-level
- SQL
- Mentoring
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16h
Data Scientist (Direct Hire)
US Environmental Protection Agency —Washington, DC
- $70,623 - $111,087 a year
- Part-time
- Background check
- Computer Science
- Pass drug screening
3d
Data Scientist Associate
SAIC —Upper Marlboro, MD
- $80,001 - $120,000 a year
- Full-time
- Hybrid work
- SQL
- AWS
- Bachelor's degree
10h
Data Scientist
Echelon Insights —Alexandria, VA
- $60,000 - $75,000 a year
- Full-time
- Hybrid work
- Office
- SQL
- Analysis skills
- Health insurance
- Dental insurance
Quick Apply
Junior AI Engineer
Targeted Victory —Arlington, VA
- Computer Science
- SQL
- Bachelor's degree
Data Scientist
Evans & Chambers Technology —Arlington, VA
- Bachelor of Science
- Research
- Bachelor's degree
Quick Apply
DATA SCIENTISTS
INBOX AMERICA CONSULTING SERVICES —Alexandria, VA
- Email
- Remote
- Research
- Mid-level
- Math
Geospatial Data Scientist II
LINCOLN INSTITUTE OF LAND POLICY —Washington, DC
- $76,000 - $95,000 a year
- Remote
- Azure
- Computer Science
- Mid-level
- Paid jury duty
- Paid parental leave
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data scientist jobs near arlington va

Machine Learning Scientist - AI Trainer

DataAnnotation -
Reston, VA

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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 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

data scientist jobs in arlington va

Machine Learning Scientist - AI Trainer

Data Science Manager - AI Trainer

Data Scientist

Data Scientist

Data Scientist

AI Prompt Engineer

Data Scientist - Mid

Data Scientist / Analyst Support II

Senior Data Scientist

Data Scientist

Data Scientist (Local candidates)

Data Scientist

Machine Learning Engineer

Data Scientist (Direct Hire)

Data Scientist Associate

Data Scientist

Junior AI Engineer

Data Scientist

DATA SCIENTISTS

Geospatial Data Scientist II

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