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Remote Front End Web Developer Contract Jobs in California

CENTRL

Software Engineer

Mountain View, CA · On-site +1

This contract has a 6 month duration. We are looking for a motivated Software Engineer who is ... Experience with SQL queries and front-end web development skills (HTML, JavaScript). * Knowledge of ...

Hyperfine

Software Engineer, Cloud

Palo Alto, CA · On-site +1

$126K - $145K/yr

... web applications. The goal of this role is to design and develop key software systems for remote ... Translate wireframes and sketches into HTML and CSS and collaborate with frontend and fullstack ...

Field Materials

We're looking for a Frontend Engineer with experience building web and mobile interfaces and interactive web/mobile components. This is the job for someone that cares about delivering best-in-class ...

MyTime

Senior Angular Frontend Developer

Los Angeles, CA · On-site +1

$123K - $162K/yr

You will be working working on the frontend of the MyTime web application, working closely with a talented team of UX designers and engineers to implement and ship scalable and well-tested features ...

Pinterest

SDET II, tvScientific

San Francisco, CA · On-site +1

$59 - $76/hr

Validate frontend-backend integration, data consistency, and error handling * Perform API contract ... Hands-on experience with web automation frameworks (Playwright, Cypress) * Solid understanding of ...

Jobsbridge

Front End UI/UX Developer

San Jose, CA · Remote

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers ... Experience with Webpack, grunt, gulp Experience with LESS/SASS Experience with automated front-end ...

Notability

Jr Engineer, Web Apps

San Francisco, CA · On-site +1

$120K - $175K/yr

Experience building with LLM APIs, agents, or AI-assisted developer workflows * Writing, teaching ... Our schedules are flexible, our hybrid policy supports remote work when it makes sense, and we have ...

LMI

Front-End Developer - Clearance Required

San Diego, CA · On-site +1

$110K - $128K/yr

This position can be remote with preference given to a San Diego, CA candidate. Responsibilities ... Integrate front-end components with RESTful APIs provided by the full-stack developer, ensuring ...

LMI

Front-End Developer - Clearance Required

San Diego, CA · On-site +1

$110K - $128K/yr

This position can be remote with preference given to a San Diego, CA candidate. What You'll Do ... Integrate front-end components with RESTful APIs provided by the full-stack developer, ensuring ...

Surefront

We are looking for an experienced Lead Front-End Engineer to join our growing team at Surefront ... This role will be remote to start and then will be flexibly based out of CA (once covid-19 ...

EyeUniversal LLC

Lead Developer

San Diego, CA · Remote

$62.75 - $82/hr

EyeUniversal is looking for a Lead Developer to build and maintain functional web pages and applications. This is a remote position. Lead Developer responsibilities include leading a team of junior ...

Axos Bank

AVP, Frontend Outsystems Manager

San Diego, CA · On-site +1

$110K - $140K/yr

Remote or Hybrid is not available. Axos Bank is looking for an experienced, product-oriented ... This role will utilize full-stack web development; designing interactive web applications with ...

Axos Bank

AVP, Frontend Outsystems Manager

San Diego, CA · On-site +1

$110K - $140K/yr

Remote or Hybrid is not available. Axos Bank is looking for an experienced, product-oriented ... This role will utilize full-stack web development; designing interactive web applications with ...

Axos Bank

AVP, Frontend Outsystems Manager

Irvine, CA · On-site +1

$110K - $140K/yr

Remote or Hybrid is not available. Axos Bank is looking for an experienced, product-oriented ... This role will utilize full-stack web development; designing interactive web applications with ...

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All JobsFront End Web Developer Contract JobsRemote Front End Web Developer Contract JobsRemote Front End Web Developer Contract Jobs in California

Remote Front End Web Developer Contract information

What is the difference between Remote Front End Web Developer Contract vs Remote Front End Web Developer Full-Time?

AspectRemote Front End Web Developer ContractRemote Front End Web Developer Full-Time
CredentialsTypically requires a portfolio, HTML, CSS, JavaScript skillsSame as contract, often with additional experience or certifications
Work EnvironmentProject-based, flexible hours, short-term engagementOngoing employment, regular hours, team integration
Employer UsageUsed by agencies, startups, or companies for specific projectsUsed by companies for long-term development needs
Search & Comparison IntentFocus on short-term, flexible work opportunitiesFocus on stable, long-term employment

The main difference between Remote Front End Web Developer Contract and Full-Time roles lies in the engagement type. Contract positions are project-based with flexible hours, ideal for short-term needs, while full-time roles offer ongoing employment with benefits and team integration. Your choice depends on your preference for flexibility versus stability.

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For Remote Front End Web Developer Contract jobs in California, the most frequently searched job titles are:

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The top searched job categories for Remote Front End Web Developer Contract jobs in California are:

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Cities in California with the most Remote Front End Web Developer Contract job openings:

Remote Front End Web Developer Contract jobs near you

Frontend Code Evaluation Specialist - AI Trainer

Mercor

San Francisco, CA • Remote

$90/hr

Full-time

Posted 4 days ago

Job description

About the job

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.

Position: Frontend Engineer
Type: Contract
Compensation: $90/hour
Location: Remote

Role Responsibilities

  • Render a reference page and two candidate replications at 1920×1080. Judge which is the closer reproduction, state by state.
  • Diff visual fidelity in detail: box model and spacing, typography (family, size, weight, line-height, letter-spacing), color and border treatment, image and asset handling, z-order, and overflow.
  • Read the source of both attempts and grade construction quality. Distinguish a replication that is genuinely correct from one that merely looks correct at one viewport.
  • Test responsiveness. Identify defects such as a nav bar that looks right at 1920px but collapses at 1400px.
  • Write specific, evidence-cited justifications for every preference. Provide detailed explanations like "B nests the article body in a single absolutely-positioned div, so the text overlaps the footer below 1600px, while A uses normal document flow."
  • Use the "this task is broken" escape hatch with judgment. Distinguish a task that genuinely cannot be completed from one that is merely hard.

Qualifications

Must-Have

  • 3–8 years of professional web development experience in frontend or full-stack work.
  • Fluency across web eras, including legacy layouts like used for layout.
  • Command of hand-written HTML and CSS: semantic markup, flexbox, grid, media queries, and legacy float- and table-based layouts.
  • Browser DevTools as muscle memory.
  • Command-line comfort: unzipping an archive, standing up a static local server, and untangling a broken image reference.
  • Enough JavaScript to read a page's scripts and understand their DOM impact.
  • Professional written English for task justification.

Preferred

  • Prior RLHF, preference-labeling, model-evaluation, or structured code-review work.
  • Pixel-perfect design-to-code experience.
  • Accessibility expertise (ARIA, semantic landmarks, heading hierarchy).
  • Familiarity with how LLMs fail at code generation.
  • Web scraping, archiving, or DOM-parsing background.
  • More than one completed Mercor project and availability in contiguous multi-hour blocks.

Application Process (Takes 20–30 mins to complete)

  • Upload resume
  • AI interview based on your resume
  • Submit form

Resources & Support

  • For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome
  • For any help or support, reach out to: support@mercor.com

PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.


#hiringmercor