Top 330 Java Developer Jobs in Mahwah, NJ

Backend Software Engineer - AI Trainer
DataAnnotation —Ridgefield Park, NJ
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
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Senior Java Developer
Tavant Technologies, Inc. —Englewood Cliffs, NJ
- $119,933.70 - $144,436.28 a year
- Full-time
- Hybrid work
- 6 years
- Office
- AWS
- Relocation assistance
- Health insurance
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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
Backend Java Engineers with Automation QA - W2 Contract - Only USC
Fortira Inc —New Jersey
- $61.65 - $66.62 an hour
- Contract
- Remote
- Background check
- Mid-level
- SQL
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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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Entry Level Software Engineer
BAE Systems Inc. —Totowa, NJ
- $70,828 - $120,408 a year
- Full-time
- Computer science
- Computer Science
- Office
- Health savings account
- Paid holidays
Java Developer (Server Side)
Tricon Solutions —Englewood Cliffs, NJ
- $65 - $75 an hour
- Contract
- Azure
- Software troubleshooting
- Mid-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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SR Java Backend / Full Stack Developer LEAD
Delan Associates, Inc —Whippany, NJ
- Contract
- Azure
- System design
- Mid-level
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2d
Senior Java & API Developer
Benecard Services Inc. —Clifton, NJ
- $110,000 - $130,000 a year
- Full-time
- System design
- Office
- SQL
- Disability insurance
- Health insurance
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Java Developer
Advanced technology Group Inc —Hoboken, NJ
- Senior level
- HTML
Fullstack Java Developer
Two95 International Inc. —Manhattan, NY
- $720 a day
- Contract
- Writing skills
- Research
- Mid-level
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Java Developer (UI)
Sonoma Consulting Inc. —Weehawken, NJ
- Full-time
- 3 years
- Analysis skills
- Bachelor's degree
Quick Apply
AI Java Developer
Ninth Wave —New York, NY
- $100,000 - $125,000 a year
- Full-time
- Computer Science
- Mid-level
- Master's degree
Quick Apply
5d
Java Developer
Hermitage Infotech —Englewood, NJ
- Email
- Hybrid work
- Office
- 8 years
- AWS
Quick Apply
Java Backend Developer (W2 Contract)in NJ
ValueBase Consulting —Parsippany-Troy Hills, NJ
- Up to $60 an hour
- Contract
- Azure
- Software troubleshooting
- Office
Java, Spring Boot, RESTful APIs, Oracle Banking Payment (OBPM)
IPolarity LLC —Whippany, NJ
- $50 - $55 an hour
- Full-time
- Hybrid work
- Senior level
- Work from home
Quick Apply
Software Engineer II, Integrated Genomics
Memorial Sloan Kettering Cancer Center —New York, NY
- $102,800 - $164,500 a year
- Online Application
- Computer Science
- Mid-level
- Java
Java Full Stack Developer - Banking Payment
Ark Solutions —Jersey City, NJ
- Up to $65 an hour
- Contract
- Azure
- Office
- SQL
Quick Apply
Software Engineer
Team Tranquil Software Solutions —Fairfield, NJ
- Email
- Computer Science
- Mid-level
- Office

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Java Developer jobs near Mahwah, NJ

Backend Software Engineer - AI Trainer

DataAnnotation -
Ridgefield Park, 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 Mahwah, NJ

Backend Software Engineer - AI Trainer

Senior Java Developer

Senior Java Full Stack Engineer - USC only - W2 Contract

Backend Java Engineers with Automation QA - W2 Contract - Only USC

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

Entry Level Software Engineer

Java Developer (Server Side)

Fullstack Developer - Java + Angular

SR Java Backend / Full Stack Developer LEAD

Senior Java & API Developer

Java Developer

Fullstack Java Developer

Java Developer (UI)

AI Java Developer

Java Developer

Java Backend Developer (W2 Contract)in NJ

Java, Spring Boot, RESTful APIs, Oracle Banking Payment (OBPM)

Software Engineer II, Integrated Genomics

Java Full Stack Developer - Banking Payment

Software Engineer

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