Top 2382 Java Developer Jobs in Crystal City, VA

Backend Software Engineer - AI Trainer
DataAnnotation —Rosslyn, VA
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Software Engineer
Metron —Reston, VA
- Computer Science
- Mid-level
- Office
- Profit sharing
- Paid parental leave
Software Developer - AI Trainer
DataAnnotation —Rosslyn, VA
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Software Engineer III
Airlines Reporting Corporation —Arlington, VA
- $93,400 - $139,610 a year
- Full-time
- Hybrid work
- Computer science
- Computer Science
- Office
- Work from home
3d
Associate Software Developer
Constellation Inc —Washington, DC
- $110,000 - $130,000 a year
- Full-time
- Hybrid work
- Computer Science
- Mid-level
- Bachelor's degree
- Disability insurance
- Health insurance
Quick Apply
5d
Java Developer
AffluentTEK —Alexandria, VA
- Computer science
- Computer Science
- Software troubleshooting
Associate Java Developer
Sprezzatura Management Consulting —Arlington, VA
- $90,000 - $100,000 a year
- Extended hours
- Hybrid work
- Computer Science
- Office
- SQL
- Paid holidays
- Disability insurance
Quick Apply
Junior Java developer
Edge Computing —Washington, DC
- Contract
- Entry level
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Lead Software Engineer, Data & DevSecOps
Leidos —Arlington, VA
- $131,300 - $237,350 a year
- Full-time
- Java
- SQL
- Bachelor's degree
Mid-Level Backend Software Engineer
Leidos —Alexandria, VA
- $87,100 - $157,450 a year
- Full-time
- Azure
- Computer Science
- System design
Mid-Level Backend Software Engineer
Leidos —Gaithersburg, MD
- $87,100 - $157,450 a year
- Full-time
- Azure
- Computer Science
- System design
Software Developer (Java) - TS/SCI w/Poly
General Dynamics Information Technology —McLean, VA
- $157,250 - $212,750 a year
- 5 years
- Bachelor of Science
- Java
- Paid holidays
- 401(k) matching
Senior Full Stack Engineer
General Dynamics Information Technology —Arlington, VA
- $147,050 - $198,950 a year
- Hybrid work
- Computer science
- Computer Science
- Office
- Paid time off
- 401(k) matching
Appian Software Developer/Integrator
Leidos —Bethesda, MD
- $107,900 - $195,050 a year
- Full-time
- 6 years
- Office
- Java
- Flexible schedule
Mid-Level Software Engineer
Leidos —Alexandria, VA
- $87,100 - $157,450 a year
- Full-time
- Azure
- Computer Science
- Mid-level
9d
Financial Model Development Senior (Python Developer)
Freddie Mac —McLean, VA
- $130,000 - $196,000 a year
- Full-time
- Computer Science
- 5 years
- Office
Senior Software Engineer
Freddie Mac —McLean, VA
- $129,000 - $193,000 a year
- Full-time
- Computer Science
- 5 years
- System design
Cloud Software Engineer – AI/ML Project Top Secret/SCI w/Poly
Peraton —Laurel, MD
- $104,000 - $166,000 a year
- Computer Science
- Software troubleshooting
- Mid-level
- Health savings account
- Paid holidays
Full Stack Software Devel - Wash DC - TS required to apply
Bow Wave LLC —Washington, DC
- $130,000 - $175,000 a year
- Full-time
- Hybrid work
- Computer Science
- 5 years
- Master's degree
- Health insurance
Quick Apply
Full Stack Java Developer (SIGN-ON BONUS!!) - TS/SCI with Polygraph
General Dynamics Information Technology —Chantilly, VA
- $158,855 - $214,921 a year
- Computer Science
- Bachelor of Science
- Salesforce
- Paid holidays
- 401(k) matching

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Java Developer jobs near Crystal City, VA

Backend Software Engineer - AI Trainer

DataAnnotation -
Rosslyn, VA

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Job Details

Part-time | Full-time | Contract
$50 - $100 an hour

Benefits

Flexible schedule

Qualifications

English

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 Backend Software Engineer - AI Trainer to help train AI models. You'll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development.

Our platform offers an engaging blend of flexibility and challenge: you'll work closely with state-of-the-art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. 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 that assessment, you'll receive an email confirmation, and paid work will become available to you through 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. Opportunities for higher bonus rates available for certain projects.
Impact: help shape the future of AI technologies.

Responsibilities:

Design and solve diverse coding problems used to train AI systems.
Write clear, high-quality code snippets and detailed explanations.
Evaluate AI-generated code for accuracy, performance, and clarity.
Provide feedback that directly shapes the next generation of AI models.

Qualifications:

Fluency in English (native or bilingual level).
Proficiency in at least one of the following programming languages or frameworks: JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, Kotlin, or Swift.
Excellent writing and grammar skills.
A bachelor's degree (completed or in progress).
Previous experience as a Software Developer, Coder, Software Engineer, or Programmer is preferred.

Note: Payment is made via PayPal. We will never ask for any money from you. PayPal will handle any currency conversions from USD. This job is only available to those in the US, Canada, UK, Ireland, Australia, and New Zealand. Those located outside of these countries will not see work or assessments available on our site at this time.

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Refine Your Search

Java Developer jobs in Crystal City, VA

Backend Software Engineer - AI Trainer

Software Engineer

Software Developer - AI Trainer

Software Engineer III

Associate Software Developer

Java Developer

Associate Java Developer

Junior Java developer

Lead Software Engineer, Data & DevSecOps

Mid-Level Backend Software Engineer

Mid-Level Backend Software Engineer

Software Developer (Java) - TS/SCI w/Poly

Senior Full Stack Engineer

Appian Software Developer/Integrator

Mid-Level Software Engineer

Financial Model Development Senior (Python Developer)

Senior Software Engineer

Cloud Software Engineer – AI/ML Project Top Secret/SCI w/Poly

Full Stack Software Devel - Wash DC - TS required to apply

Full Stack Java Developer (SIGN-ON BONUS!!) - TS/SCI with Polygraph

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