Top 18 Java backend developer Jobs in Hagerstown, Md

Contract Software Engineer - AI Trainer
DataAnnotation —Frederick, MD
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
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Software Engineer - AI Trainer
DataAnnotation —Maryland
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Staff Software Engineer - AI Trainer
DataAnnotation —Maryland
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Senior Full Stack Application Developer
Integration Resolve, Inc. —Frederick, MD
- $120,000 - $175,000 a year
- Full-time
- Azure
- Computer Science
- Bachelor of Science
- Profit sharing
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Full Stack Developer (Angular/NodeJS)
Syms Strategic Group, LLC (SSG) —Hagerstown, MD
- $85,389 - $116,975 a year
- Full-time
- Remote
- Azure
- Computer Science
- HIPAA
6d
Software Developer, Intermediate
AGE Solutions —Chambersburg, PA
- From $110,000 a year
- Hybrid work
- Azure
- 5 years
- System design
- Paid training
- Paid parental leave
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Full Stack Developer - AI Trainer
DataAnnotation —Maryland
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Software Developer, Senior
AGE Solutions —Chambersburg, PA
- From $145,000 a year
- Hybrid work
- Azure
- System design
- Research
- Paid training
- Paid parental leave
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Backend Java Developer
JLG —Hagerstown, MD
- $104,100 - $173,900 a year
- Full-time
- Computer science
- Azure
- Computer Science
Developer III - Java
SYSTEMTEC —United States
- $50.35 an hour
- Contract
- Hybrid work
- Background check
- Computer science
- Computer Science
- Disability insurance
- Health insurance
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5d

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Mid-Level Backend Software Engineer
Leidos —Gaithersburg, MD
Bachelor’s degree in Computer Science, Software Engineering, or a related field with 4–8 years of experience; or a Master’s degree with 2–6 years of experience.
$87,100 - $157,450 a year
Backend Software Engineer
Embedded Alliance —Gaithersburg, MD
You’ll design and build scalable backend services, develop RESTful APIs, integrate complex data sources, and ensure system reliability and performance in a…
$105,000 - $185,000 a year
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Contract Software Engineer - AI Trainer
DataAnnotation —Columbus, OH
Flexible schedule: choose which projects you take on and when you work, on your own computer, from the comfort of your own home.
$50 - $100 an hour
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Embedded Systems Developer - AI Trainer
DataAnnotation —Dublin, OH
Flexible schedule: choose which projects you take on and when you work, on your own computer, from the comfort of your own home.
$50 - $100 an hour
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java backend developer jobs near hagerstown, md

Contract Software Engineer - AI Trainer

DataAnnotation -
Frederick, MD

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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 Contract 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, up 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 backend developer jobs in hagerstown, md

Contract Software Engineer - AI Trainer

Software Engineer - AI Trainer

Staff Software Engineer - AI Trainer

Senior Full Stack Application Developer

Full Stack Developer (Angular/NodeJS)

Software Developer, Intermediate

Full Stack Developer - AI Trainer

Software Developer, Senior

Backend Java Developer

Developer III - Java

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