Top 677 Web Developer Jobs in San Mateo, CA

Frontend Developer - AI Trainer
DataAnnotation —Milpitas, CA
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Software Engineer (Front-end)
Finrise —Burlingame, CA
- Email
- Office
- AWS
- Continuous improvement
Intermediate/Junior Web Developer
Social Concepts —Redwood, CA
- Email
- Computer science
- Computer Science
- Bachelor of Science
Frontend Developer (React) Junior/Mid
Careerswift —San Francisco, CA
- Full-time
- Remote
- Mid-level
- 3 years
Front-end developer
Metamins —Burlingame, CA
- Full-time
- Computer science
- Computer Science
- English
- Health insurance
Frontend Developer
AIM —San Francisco, CA
- $124,865.64 - $150,375.83 a year
- Full-time
- Azure
- Mid-level
- Office
Quick Apply
Web Developer
8aNet —Santa Clara, CA
- Email
- Computer Science
- Mid-level
- Master's degree
Senior Frontend Engineer
Joinedapp —Palo Alto, CA
- Email
- English
- Mid-level
- Mentoring
Software Engineer -- Frontend
Skydera —Palo Alto, CA
- Mid-level
- Office
- Health insurance
- Dental insurance
Front-End Engineer (Anime)
Spellbrush —San Francisco, CA
- Full-time
- Remote
- Mid-level
- Office
Software Engineer, Frontend/Fullstack
Wisdom AI —San Mateo, CA
- $150,000 - $300,000 a year
- Full-time
- Computer Science
- Bachelor's degree
- APIs
Quick Apply
Software Engineer - Frontend
Hive —San Francisco, CA
- Full-time
- Computer Science
- Bachelor's degree
- APIs
Software Engineer I
PlayStation Global —San Mateo, CA
- $137,300 - $205,900 a year
- Computer science
- Azure
- Computer Science
- Wellness program
- Health insurance
Web Developer
San Francisco Bay University —Fremont, CA
- $45 - $65 an hour
- Full-time
- Hybrid work
- Mid-level
- University
- Bachelor's degree
Quick Apply
9d
Web Development
Family Reunion —San Francisco, CA
- Email
- Microsoft Outlook
- Windows
- SQL
Software Engineer
Visa Inc. —Foster City, CA
- Full-time
- Computer Science
- Mid-level
- Office
- Wellness program
- Health savings account
2h
Junior Web Designer
Pixels Infotech —Oakland, CA
- Experience equivalent to degree accepted
- Associate's degree
- 2 years
Frontend Engineer
Frec Markets, Inc. —San Francisco, CA
- $200,000 - $300,000 a year
- Full-time
- Mid-level
- Office
- AWS
- Dental insurance
- 401(k)
Front-End Engineer (WebXR / VR)
Droyd —San Francisco, CA
- $130,000 - $175,000 a year
- Full-time
- Mid-level
Full Stack Java Web Developer
1App —Menlo Park, CA
- Computer science
- Computer Science
- 5 years
- Health insurance
- Dental insurance

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Web Developer jobs near San Mateo, CA

Frontend Developer - AI Trainer

DataAnnotation -
Milpitas, CA

Quick Apply

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

Web Developer jobs in San Mateo, CA

Frontend Developer - AI Trainer

Software Engineer (Front-end)

Intermediate/Junior Web Developer

Frontend Developer (React) Junior/Mid

Front-end developer

Frontend Developer

Web Developer

Senior Frontend Engineer

Software Engineer -- Frontend

Front-End Engineer (Anime)

Software Engineer, Frontend/Fullstack

Software Engineer - Frontend

Software Engineer I

Web Developer

Web Development

Software Engineer

Junior Web Designer

Frontend Engineer

Front-End Engineer (WebXR / VR)

Full Stack Java Web Developer

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