Top 1027 Java Developer Jobs in Madison, NJ

Backend Software Engineer - AI Trainer
DataAnnotation —Linden, NJ
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Software Engineer Analyst - AI Trainer
DataAnnotation —Linden, NJ
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Senior Java Full Stack Engineer - USC only - W2 Contract
Fortira Inc —New Jersey
- $60 - $75 an hour
- Contract
- Remote
- Senior level
- 10 years
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4d
Java Full Stack Developer - Remote Most of the time - Full time
Fabergent —Livingston, NJ
- Full-time
- Remote
- 5 years
- Java
- Senior level
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Fullstack Developer - Java + Angular
Sierre Technologies —Hanover, NJ
- $50 - $65 an hour
- Contract
- Computer Science
- Senior level
- Communication skills
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Java Developer
Staxa Technologies —Piscataway, NJ
- Full-time
- Mid-level
- Team management
- Mentoring
Sr. Java Developer
Genpact —New York, NY
- $83 an hour
- Temporary
- 8 years
- SQL
- Senior level
Software Engineer - AI Trainer
DataAnnotation —Parsippany-Troy Hills, NJ
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Full Stack Developer - AI Trainer
DataAnnotation —Parsippany-Troy Hills, NJ
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
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FCC Technology Software Engineer
Valley National Bank —Morristown, NJ
- $85,200 - $147,200 a year
- Computer science
- Computer Science
- 3 years
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Python Developer
Experis —Jersey City, NJ
- $68 an hour
- Contract
- Java
- Analysis skills
- Organizational skills
- Health savings account
- Disability insurance
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3d
Programmer Analyst III
Experis —Berkeley Heights, NJ
- Contract
- Computer Science
- 5 years
- Office
- Health savings account
- Disability insurance
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4d
Senior Java Developer
Tavant Technologies, Inc. —New York, NY
- $120,000 - $140,000 a year
- Full-time
- Hybrid work
- Computer science
- Computer Science
- Bachelor of Science
- Relocation assistance
- Health insurance
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Senior Backend Engineer
On behalf of Next Deavor —New York, NY
- $160,000 - $180,000 a year
- Full-time
- Hybrid work
- Java
- Databases
- AWS
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Principal Engineer - Python API Development
Fidelity Investments —Jersey City, NJ
- $107,000 - $216,000 a year
- Full-time
- Azure
- Computer Science
- System design
- Loan repayment program
- Tuition reimbursement
Java Algo Developer, Fixed Income Trading, Vice President
Citi —New York, NY
- $142,320 - $213,480 a year
- Full-time
- 6 years
- Computer Science
- Office
- Paid holidays
- Disability insurance
Python Full Stack Developer
Matlen Silver —Jersey City, NJ
- $60 - $68 an hour
- Contract
- 3 years
- Java
- Senior level
- Health insurance
- Dental insurance
Quick Apply
Software Engineer (Java)
Matlen Silver —New York, NY
- Contract
- Hybrid work
- 5 years
- System design
- Analysis skills
Quick Apply
3d
Java Apps Developer Lead Analyst - Vice President
Citi —New York, NY
- $142,320 - $213,480 a year
- Full-time
- Computer science
- 6 years
- Computer Science
- Paid holidays
- Disability insurance
9d
GIS Developer
BJE Professional Services LLC —New York, NY
- $60 an hour
- Temporary
- Hybrid work
- 5 years
- SQL
- Analysis skills
Quick Apply
2d

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Java Developer jobs near Madison, NJ

Backend Software Engineer - AI Trainer

DataAnnotation -
Linden, 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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Refine Your Search

Java Developer jobs in Madison, NJ

Backend Software Engineer - AI Trainer

Software Engineer Analyst - AI Trainer

Senior Java Full Stack Engineer - USC only - W2 Contract

Java Full Stack Developer - Remote Most of the time - Full time

Fullstack Developer - Java + Angular

Java Developer

Sr. Java Developer

Software Engineer - AI Trainer

Full Stack Developer - AI Trainer

FCC Technology Software Engineer

Python Developer

Programmer Analyst III

Senior Java Developer

Senior Backend Engineer

Principal Engineer - Python API Development

Java Algo Developer, Fixed Income Trading, Vice President

Python Full Stack Developer

Software Engineer (Java)

Java Apps Developer Lead Analyst - Vice President

GIS Developer

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