Top 139 Ui Developer Jobs in Lexington, MA

Frontend Developer - AI Trainer
DataAnnotation —Waltham, MA
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Frontend Developer - AI Trainer
DataAnnotation —Hudson, MA
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Software Developer
Vertifi Software LLC —Burlington, MA
- From $90,000 a year
- Urgently hiring
- Hybrid work
- Computer science
- Computer Science
- Mid-level
- Paid holidays
- Disability insurance
Quick Apply
Web & Windows Application Developer
The CCS Companies —Norwood, MA
- $100,000 - $125,000 a year
- Full-time
- Computer science
- Azure
- Computer Science
- Health savings account
- AD&D insurance
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8d
UI Developer
Anderson and Partners —Boston, MA
- Computer science
- Computer Science
- Mid-level
UX/UI Designer
Northeastern University —Boston, MA
- $87,785.00 - $123,998.75 a year
- Full-time
- Computer Science
- Mid-level
- 3 years
- Health insurance
- Dental insurance
Design Engineer, Americas
Ashby —Boston, MA
- $122,000 - $220,000 a year
- Full-time
- Mid-level
- Project management
- 2 years
- Paid parental leave
- Health insurance
Front-End Web Developer
Buyer Advertising —Newton, MA
- Email
- Computer science
- Computer Science
- 5 years
FRONT-END DEVELOPER
Pixels 360 —Boston, MA
- Mid-level
- HTML
- Health insurance
- Retirement plan
Digital Developer- Wordpress
Black Duck Software, Inc. —Burlington, MA
- $104,200 - $156,300 a year
- Mid-level
- JavaScript
- Leadership
React JS Consultant
iTek People Inc —Waltham, MA
- Contract
- Mid-level
- Communication skills
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Software Engineer: Web Developer
Nanobiosym —Cambridge, MA
- From $110,000 a year
- Full-time
- Computer Science
- Mid-level
- Bachelor's degree
Quick Apply
2d
Front End Java Developer
OnPage —Waltham, MA
- Computer science
- Computer Science
- Mid-level
- Paid holidays
- Disability insurance
Software Engineer - UI/UX (FT)
Delsys —Natick, MA
- $90,000 - $105,000 a year
- Full-time
- Hybrid work
- Computer Science
- Mid-level
- Java
- Profit sharing
- Disability insurance
FRONTEND ENGINEER (DEFENSE)
Airspace Intelligence —Boston, MA
- Full-time
- Mid-level
- APIs
Front End Software Engineer
ERGO NEXT —Boston, MA
- Full-time
- Hybrid work
- Computer science
- Computer Science
- 5 years
- Health insurance
- 401(k)
UX Software Engineer
The DarkStar Group —Cambridge, MA
- Computer science
- Computer Science
- Office
2d
Flutter Mobile Developer
CEDENT —Boston, MA
- Computer science
- Computer Science
- Bachelor of Science
Staff Software Engineer, Frontend Platform Architecture and Infrastructure
Wayfair —Boston, MA
- $263,250 - $300,000 a year
- Full-time
- 8 years
- Mentoring
- Senior level
SOFTWARE DEVELOPER, WEB APPS
Pixels 360 —Boston, MA
- Mid-level
- HTML
- Health insurance
- Retirement plan

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Ui Developer jobs near Lexington, MA

Frontend Developer - AI Trainer

DataAnnotation -
Waltham, MA

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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 Lexington, MA

Frontend Developer - AI Trainer

Frontend Developer - AI Trainer

Software Developer

Web & Windows Application Developer

UI Developer

UX/UI Designer

Design Engineer, Americas

Front-End Web Developer

FRONT-END DEVELOPER

Digital Developer- Wordpress

React JS Consultant

Software Engineer: Web Developer

Front End Java Developer

Software Engineer - UI/UX (FT)

FRONTEND ENGINEER (DEFENSE)

Front End Software Engineer

UX Software Engineer

Flutter Mobile Developer

Staff Software Engineer, Frontend Platform Architecture and Infrastructure

SOFTWARE DEVELOPER, WEB APPS

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