Top 290 Java Developer Jobs in Princeton, NJ

Backend Software Engineer - AI Trainer
DataAnnotation —Edison, NJ
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
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Software Engineer - AI Trainer
DataAnnotation —Township of Hamilton, NJ
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
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Java Developer
CAI —Trenton, NJ
- $65 - $68 an hour
- Full-time
- Computer science
- Azure
- Computer Science
- Health insurance
- Dental insurance
1d
AngularJS / .Net Developer
Sonsoft Inc —Pennington, NJ
- Full-time
- Analysis skills
- Bachelor's degree
- US work authorization
Quick Apply
Java Developer - Health Applications
DEW Softech Inc —Trenton, NJ
- $50 - $55 an hour
- Full-time
- Hybrid work
- Software troubleshooting
- Mid-level
- SQL
- Work from home
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9d
SR. JAVA DEVELOPER
Pioneer Consulting Services —Princeton, NJ
- Computer Science
- 5 years
- Bachelor's degree
Senior Java / ETL Developer
Spectra Group —Princeton, NJ
- Travel
- Senior level
Java Developer
IT Ideology —Cranbury, NJ
- Oracle
- Mid-level
- Office
Senior Java Developer
Spectra Group —Princeton, NJ
- $110,000 a year
- Office
- Travel
- Senior level
Software Developer
i-exceed —Princeton, NJ
- Azure
- Java
- Communication skills
Java Application Developer
DEW Softech Inc —Trenton, NJ
- $50 - $55 an hour
- Full-time
- Hybrid work
- 6 years
- System design
- Office
- Work from home
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Java J2ee Developer
Hermes Networks —Plainsboro, NJ
- Email
- Computer Science
- Mid-level
- Windows
Software Developer
FuGen IT Solutions —Princeton, NJ
- System design
- Mid-level
- Windows
Java Developer
Staxa Technologies —Piscataway, NJ
- Full-time
- Mid-level
- Team management
- Mentoring
Associate / Staff Java Software Developer
SciTec —Princeton, NJ
- $88,000 - $124,000 a year
- Full-time
- Computer science
- Computer Science
- System design
- Profit sharing
- Paid parental leave
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Sr. Java Backend Developer
FRESH DIRECT, LLC —Woodbridge, NJ
- $130,000 - $155,000 a year
- Full-time
- System design
- 3 years
- AWS
- Paid holidays
- Disability insurance
Quick Apply
Software Developer
Sumas Corporation —Plainsboro, NJ
- Full-time
- Mid-level
- Office
- 1 year
SOFTWARE DEVELOPER, APPLICATIONS
Averon Solutions —Edison, NJ
- Email
- Remote
- Software troubleshooting
- Research
- Mid-level
JAVA Developer, Senior
NJM Insurance Group —Trenton, NJ
- $115,523 - $134,118 a year
- Full-time
- Computer science
- 7 years
- Computer Science
- Paid parental leave
- Disability insurance
Software Developer / Engineer (Java)
Eniac Systems —Edison, NJ
- Office
- AWS
- Senior level

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Java Developer jobs near Princeton, NJ

Backend Software Engineer - AI Trainer

DataAnnotation -
Edison, NJ

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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, 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 Princeton, NJ

Backend Software Engineer - AI Trainer

Software Engineer - AI Trainer

Java Developer

AngularJS / .Net Developer

Java Developer - Health Applications

SR. JAVA DEVELOPER

Senior Java / ETL Developer

Java Developer

Senior Java Developer

Software Developer

Java Application Developer

Java J2ee Developer

Software Developer

Java Developer

Associate / Staff Java Software Developer

Sr. Java Backend Developer

Software Developer

SOFTWARE DEVELOPER, APPLICATIONS

JAVA Developer, Senior

Software Developer / Engineer (Java)

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