Top 68 UI Developer Jobs in Princeton, NJ

Frontend Developer - AI Trainer
DataAnnotation —Pennington, NJ
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
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Frontend Developer - AI Trainer
DataAnnotation —Plainsboro, NJ
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
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Frontend Software Engineer
Siuvo —Princeton, NJ
- Entry level
UI/UX Engineer
NIKSUN INC. —Princeton, NJ
- $1 an hour
- Full-time
- Azure
- Computer Science
- SQL
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Design / Frontend Engineer - NYC
Rad Hires —North Brunswick, NJ
- $140,000 - $230,000 a year
- Full-time
- Hybrid work
- Mid-level
- Office
- US work authorization
- Health insurance
- Dental insurance
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Senior Software Engineer: Frontend - NYC
Rad Hires —North Brunswick, NJ
- $170,000 - $300,000 a year
- Full-time
- Mid-level
- Office
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UI Developer
IT Ideology —Cranbury, NJ
- Mid-level
- Office
- HTML
Senior Frontend Engineer
EZEN Digital —Princeton, NJ
- Email
- Computer Science
- 5 years
- Office
- Referral program
Android Developer - AI Trainer
DataAnnotation —Iselin, NJ
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Android Developer - AI Trainer
DataAnnotation —Bensalem, PA
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Angular JS ( USC & GC ) Only
Sonsoft Inc —Pennington, NJ
- Full-time
- Mid-level
- Analysis skills
- Bachelor's degree
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Angular JS Analyst
Sonsoft Inc —Pennington, NJ
- Full-time
- Mid-level
- Analysis skills
- Bachelor's degree
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ReactJs and NodeJs Developer
Infosys —Pennington, NJ
- $76,071 - $119,836 a year
- Mid-level
- Communication skills
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7d
Android Developer (Sr/Jr)
Praadis Technologies —Princeton, NJ
- Mid-level
- Java
- 2 years
Software Engineers
Waynsys —Edison, NJ
- Email
- Computer Science
- Master of Business Administration
- Entry level
Senior Front End Web Developer
Thorium Digital —East Brunswick, NJ
- $83,000 - $124,000 a year
- Full-time
- Azure
- 5 years
- English
Quick Apply
SOFTWARE APPLICATION DEVELOPER
National Computer Systems —Piscataway, NJ
- Mid-level
- Java
- SQL
Computer Systems Analyst (Angular Developer)
Fabec IT —Princeton, NJ
- $64,000 a year
- Full-time
- Computer Science
- Mid-level
- Microsoft Office
- Health insurance
- Employee assistance program
Application Developer II - WCS
Rutgers University —Somerset, NJ
- $88,681 a year
- Full-time
- 5 years
- System design
- Mid-level
- Paid holidays
- Dental insurance
RBAC Engineering lead - VP
State Street —Princeton, NJ
- $125,000 - $215,000 a year
- Full-time
- Azure
- DevOps
- System design
- Disability insurance
- Health insurance

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UI Developer jobs near Princeton, NJ

Frontend Developer - AI Trainer

DataAnnotation -
Pennington, 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 Frontend Developer - 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

UI Developer jobs in Princeton, NJ

Frontend Developer - AI Trainer

Frontend Developer - AI Trainer

Frontend Software Engineer

UI/UX Engineer

Design / Frontend Engineer - NYC

Senior Software Engineer: Frontend - NYC

UI Developer

Senior Frontend Engineer

Android Developer - AI Trainer

Android Developer - AI Trainer

Angular JS ( USC & GC ) Only

Angular JS Analyst

ReactJs and NodeJs Developer

Android Developer (Sr/Jr)

Software Engineers

Senior Front End Web Developer

SOFTWARE APPLICATION DEVELOPER

Computer Systems Analyst (Angular Developer)

Application Developer II - WCS

RBAC Engineering lead - VP

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