Top 236 Java Developer Jobs in West Chester, PA

Software Engineer - AI Trainer
DataAnnotation —Glen Mills, PA
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
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Backend Software Engineer - AI Trainer
DataAnnotation —Radnor, PA
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
JAVA DEVELOPER
Software Merchant —Wayne, PA
- Oracle
- Mid-level
- US work authorization
Backend Java Developer
Gandiva Insights LLC —Newark, DE
- $60.00 - $119,325.52 an hour
- Contract
- 7 years
- Azure
- SQL
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7d
Java Developer
InfoQuest Consulting Group Inc. —Philadelphia, PA
- Email
- Computer science
- Computer Science
- System design
Java Full Stack Developer
Ampcus Inc —Wilmington, DE
- $97,838.48 - $130,000.00 a year
- Full-time
- Mid-level
- Office
- AWS
- Health insurance
- Dental insurance
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JAVA DEVELOPER
Netresolute —Philadelphia, PA
- Mid-level
- SQL
- JavaScript
Senior Full Stack Developer - Java
Ampcus Inc —Wilmington, DE
- $60 - $90 an hour
- Full-time
- Background check
- Office
- 3 years
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Java Developer with Scala
Cygnus Professionals Inc —Plymouth Meeting, PA
- Contract
- Computer Science
- Mid-level
- AWS
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Senior Java Developer
Ascendion —Wilmington, DE
- $120,000 - $150,000 a year
- System design
- Java
- Machine learning
- Paid holidays
- Disability insurance
1d
Java FSD with AWS
Recutify Inc. —Wilmington, DE
- $45 - $50 an hour
- SQL
- Agile
- Senior level
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Midlevel Java Developer
OpenAce —Wilmington, DE
- Computer Science
- Bachelor of Science
- Engineering
Senior Backend Engineer - Java
Real —Philadelphia, PA
- $152,000 - $194,000 a year
- Full-time
- Remote
- Bachelor of Science
- 8 years
- SQL
1d
Java FullStack Developer with AWS
ABOTTS —Wilmington, DE
- $60 an hour
- Mid-level
- Office
- AWS
Telecom Wireless Developer (Java/Python)
Excelacom —Philadelphia, PA
- Computer science
- Microsoft Excel
- Computer Science
Software Engineer
Asylon —Norristown, PA
- $105,000 - $150,000 a year
- Full-time
- Azure
- System design
- Mid-level
- Disability insurance
- Relocation assistance
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7d
Senior Java Developer
Computer Solution —Springfield, PA
- Hybrid work
- Office
- SQL
- AWS
Software Engineer
Goliath Technologies —Berwyn, PA
- Full-time
- Azure
- Mid-level
- Java
- Continuing education credits
- Paid holidays
Java Software Engineers
RK Technical Services —Philadelphia, PA
- Full-time
- 5 years
- Java
- Software development
Software Engineer
Guidewire Software —Exton, PA
- $86,000 - $130,000 a year
- Email
- Hybrid work
- Computer science
- Computer Science
- SQL
- Health insurance
- Dental insurance

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Java Developer jobs near West Chester, PA

Software Engineer - AI Trainer

DataAnnotation -
Glen Mills, PA

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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 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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Java Developer jobs in West Chester, PA

Software Engineer - AI Trainer

Backend Software Engineer - AI Trainer

JAVA DEVELOPER

Backend Java Developer

Java Developer

Java Full Stack Developer

JAVA DEVELOPER

Senior Full Stack Developer - Java

Java Developer with Scala

Senior Java Developer

Java FSD with AWS

Midlevel Java Developer

Senior Backend Engineer - Java

Java FullStack Developer with AWS

Telecom Wireless Developer (Java/Python)

Software Engineer

Senior Java Developer

Software Engineer

Java Software Engineers

Software Engineer

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