Top 17 Ui developer Jobs in New Castle, De

Frontend Developer - AI Trainer
DataAnnotation —Thorofare, NJ
- $50 - $100 an hour
- Contract
- Remote
- Mid-level
- In-person
- Flexible schedule
Frontend Developer - AI Trainer
DataAnnotation —Wilmington, DE
- $50 - $100 an hour
- Contract
- Remote
- Mid-level
- In-person
- Flexible schedule
Contract Sr. Frontend Engineer
Waters Corporation —New Castle, DE
- Contract
- 5 years
- In-person
- Senior level
Sr UI Developer
CEDENT —Wilmington, DE
- Contract
- 7 years
- Computer Science
- AWS
Wordpress Developer
Hexagon Infosoft —Middletown, DE
- Computer science
- Computer Science
- Software troubleshooting
Angularjs Developer
Hexagon Infosoft —Middletown, DE
- Computer science
- Computer Science
- Mid-level
Mobile App Developer (iOS and Android)
V3Main Technologies Inc. —Wilmington, DE
- Email
- Computer science
- Computer Science
- Mid-level
Lead React Digital Software Engineer
AAA Club Alliance —Wilmington, DE
- $100,384 - $170,815 a year
- Full-time
- Hybrid work
- Computer Science
- Bachelor of Science
- System design
- Wellness program
- Paid parental leave
Senior Android Developer – Banking Applications
M&T Bank —Wilmington, DE
- $106,700 - $177,900 a year
- Full-time
- Hybrid work
- Office
- 3 years
- Mentoring
- Work from home
11d
Ios Developer
Hexagon Infosoft —Middletown, DE
- Mid-level
DTC Web Development & Maintenance Sr. Manager
Incyte Corporation —Chadds Ford, PA
- 5 years
- Bachelor's degree
- Organizational skills

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Senior Full Stack Software Engineer
Waters Corporation —New Castle, DE
Research, design, develop and release/maintain: Application, User interface, Data analysis, Instrument control software for thermal analysis, rheological, and…
$125,500 - $209,000 a year
Senior Principal Software Developer
Waters Corporation —New Castle, DE
Research, design, develop, and maintain applications, user interfaces, data analysis tools, and instrument control software for thermal analysis, rheological,…
$154,000 - $257,000 a year

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Lead Engineer (React) - Hybrid - W2 only
Stafford Technology —Columbus, OH
We are seeking a Lead Software Engineer with deep expertise in *front-end development and UI architecture* to own and drive a critical user-facing platform used…
$75 - $80 an hour
Quick Apply
Senior Frontend Engineer (React/Micro-Frontends) - Direct Hire- Hybrid - Dublin, OH - W2 only
Stafford Technology —Dublin, OH
This role focuses on developing high-performance, enterprise-scale applications and driving best practices across frontend engineering.
$130,000 - $155,000 a year
Quick Apply
13d

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ui developer jobs near new castle, de

Frontend Developer - AI Trainer

DataAnnotation -
Thorofare, NJ

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Job Details

Contract
$50 - $100 an hour

Benefits

Flexible schedule

Qualifications

Grammar Experience

Full Job Description

Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule.

We are looking for a proficient Frontend Developer - AI Trainer to help advance AI development. As a member of DataAnnotation’s coding team, 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. Some team members fit this work alongside a full-time role, while others treat it as their primary focus, choosing projects and schedules that align with their 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.

Benefits:

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.
Competitive pay: projects are paid hourly, up to $100+ USD per hour. Opportunities for higher-paying projects are available with strong performance.
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.

#INDCODSTN

Pay: $50.00 - $100.00 per hour

Work Location: Remote

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Refine Your Search

ui developer jobs in new castle, de

Frontend Developer - AI Trainer

Frontend Developer - AI Trainer

Contract Sr. Frontend Engineer

Sr UI Developer

Wordpress Developer

Angularjs Developer

Mobile App Developer (iOS and Android)

Lead React Digital Software Engineer

Senior Android Developer – Banking Applications

Ios Developer

DTC Web Development & Maintenance Sr. Manager

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