Top 702 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
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UI Developer (GC_USC)
Sonsoft Inc —Sunnyvale, CA
- Full-time
- Mid-level
- Analysis skills
- Bachelor's degree
Quick Apply
Java UI Developer
Sonsoft Inc —Sunnyvale, CA
- Full-time
- Mid-level
- Java
- Analysis skills
Quick Apply
AngularJS/UI Developer
Sonsoft Inc —Sunnyvale, CA
- Full-time
- Mid-level
- Analysis skills
- Bachelor's degree
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Intermediate/Junior Web Developer
Social Concepts —Redwood, CA
- Email
- Computer science
- Computer Science
- Bachelor of Science
Frontend Web Developer
Air Apps —San Francisco, CA
- $99,000 - $170,000 a year
- Full-time
- Mid-level
- 3 years
- HTML
- Disability insurance
- Health insurance
Senior PHP Web Developer (with MySQL and JavaScript Skills)
Next Bee Corporation —San Mateo, CA
- Full-time
- Office
- Senior level
- Communication skills
Frontend Developer (React) Junior/Mid
Careerswift —San Francisco, CA
- Full-time
- Remote
- Mid-level
- 3 years
Software Engineer (Front-end)
Finrise —Burlingame, CA
- Email
- Office
- AWS
- Continuous improvement
Web Designer & Webflow Developer
Flex —San Francisco, CA
- Full-time
- Remote
- Mid-level
- Office
- JavaScript
- Paid holidays
- Relocation assistance
1d
Frontend Developer
Careerswift —San Francisco, CA
- Full-time
- Remote
- Mid-level
- 3 years
- Communication skills
- Health insurance
- Dental insurance
1d
Founding Engineer (Frontend)
RST Recruitment —South San Francisco, CA
- $180,000 - $220,000 a year
- Full-time
- Office
- In-person
- Entry level
- Relocation assistance
- 401(k)
Quick Apply
Software Engineer I (Full Stack) – Immediate Joiners
Interscripts, Inc. —Daly City, CA
- Full-time
- Bilingual
- Computer Science
- Software troubleshooting
- Health insurance
- Dental insurance
Quick Apply
2d
Web Application Developer - Defense
Palantir Technologies —Palo Alto, CA
- $135,000 - $200,000 a year
- Full-time
- Computer science
- Computer Science
- System design
- Commuter assistance
- Paid parental leave
Frontend Engineer
Pump —San Francisco, CA
- $120,000 - $200,000 a year
- Computer Science
- Bachelor of Science
- DevOps
- Health insurance
- Dental insurance
Frontend Engineer (React/TypeScript)
OnHires —San Francisco, CA
- Full-time
- Remote
- 3 years
- Mentoring
- Agile
Front-end developer
Metamins —Burlingame, CA
- Full-time
- Computer science
- Computer Science
- English
- Health insurance
Web Development
Family Reunion —San Francisco, CA
- Email
- Microsoft Outlook
- Windows
- SQL
Front-End Engineer (Anime)
Spellbrush —San Francisco, CA
- Full-time
- Remote
- Mid-level
- Office
Web Developer
8aNet —Santa Clara, CA
- Email
- Computer Science
- Mid-level
- Master's degree

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Web Developer jobs near San Mateo, CA

Frontend Developer - AI Trainer

DataAnnotation -
Milpitas, CA

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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 at $50 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

UI Developer (GC_USC)

Java UI Developer

AngularJS/UI Developer

Intermediate/Junior Web Developer

Frontend Web Developer

Senior PHP Web Developer (with MySQL and JavaScript Skills)

Frontend Developer (React) Junior/Mid

Software Engineer (Front-end)

Web Designer & Webflow Developer

Frontend Developer

Founding Engineer (Frontend)

Software Engineer I (Full Stack) – Immediate Joiners

Web Application Developer - Defense

Frontend Engineer

Frontend Engineer (React/TypeScript)

Front-end developer

Web Development

Front-End Engineer (Anime)

Web Developer

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