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Remote Front End Web Developer Contract Jobs in California

Zoo

Senior Software Engineer, Frontend

Los Angeles, CA · On-site +1

$145K - $195K/yr

We are headquartered in Los Angeles, CA with both a local and remote team. We were founded and ... Familiarity with WebAssembly (Wasm) and its use in web applications for performance enhancements

Hyperfine

Software Engineer, Cloud

Palo Alto, CA · On-site +1

$165K - $190K/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 ...

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 ...

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 ...

Zūm

Staff Front End Engineer

Redwood City, CA · On-site +1

Who You Are: We're hiring our first HQ-based front end engineer who will lead front end technical ... Comfort building and owning enterprise, data-dense web applications, not consumer products or ...

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 ...

YO AI Labs

Frontend Developer - Remote

San Jose, CA · Remote

$80 - $120/hr

Senior Software Engineer Job Type: Contractor (~15 hours/week) Location: Remote Job Summary We are seeking experienced Senior Software Engineers to support an AI training project by creating ...

YO AI Labs

Frontend Developer - Remote

Los Angeles, CA · Remote

$80 - $120/hr

Senior Software Engineer Job Type: Contractor (~15 hours/week) Location: Remote Job Summary We are seeking experienced Senior Software Engineers to support an AI training project by creating ...

YO AI Labs

Frontend Developer - Remote

San Francisco, CA · Remote

$80 - $120/hr

Senior Software Engineer Job Type: Contractor (~15 hours/week) Location: Remote Job Summary We are seeking experienced Senior Software Engineers to support an AI training project by creating ...

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

Remote Front End Web Developer Contract jobs near you

Frontend Engineer - San Francisco (Remote)

San Francisco, CA • On-site, Remote

ENGenious
See more jobs at ENGeniousexternal

Contractor

Medical, Dental, Vision, Retirement, PTO

Re-posted 4 days ago

Job description

About Engenious

Engenious is a technology company building next-generation AI products that transform how people work, learn, and create.

We partner with fast-growing startups and global companies to design and scale intelligent systems - from AI-powered applications to full-stack platforms used by millions.

Our team combines deep engineering expertise with product thinking to deliver solutions that are not just technically strong, but genuinely useful.



About the Role

We're looking for a Frontend Engineer to join our team and work on AI-driven products.

In this role, you will be working as part of an Engenious team embedded with one of our clients, a leading technology company building products used at global scale. You'll collaborate closely with both Engenious and client-side teams to deliver high-impact solutions.

You'll help build systems that support students throughout their writing journey - from drafting and citations to AI transparency and plagiarism detection.

This role combinesfrontend development with practical application of modern AI technologies, and you'll be expected to actively work with AI-powered features as part of your day-to-day development.



What You'll Do

  • Contribute to end-to-end feature delivery on the frontend, ensuring high-quality user experiences in production.
  • Develop clean, intuitive user interfaces
  • Build and integrate AI-powered features into product workflows
  • Work with LLM-based systems and AI-driven services
  • Improve performance, reliability, and system architecture
  • Collaborate with product, design, and AI teams (both Engenious and client-side)
  • Contribute to technical decisions and engineering standards
  • Mentor engineers and support team growth



What You'll Work On

  • AI-powered writing and productivity tools
  • Systems for AI transparency and authorship clarity
  • Citation and attribution workflows
  • Plagiarism and AI-usage detection
  • Integrations with educational platforms and tools



Requirements

  • 4+ years of experience in frontend development
  • Proficiency with modern web technologies, including React.js, Next.js, Vite, and Nx )
  • Proficiency with Typescript is a must
  • Strong fundamentals in algorithms and system design
  • Experience building and scaling production systems
  • Experience debugging complex systems
  • Strong product mindset and attention to user experience
  • Experience working within cross-team collaboration responsible for high-load production systems, including services serving 100,000+ users or operating at significant request-per-second scale.
  • Hands-on experience designing and operating WebSocket-based real-time systems at scale


Must be legally authorized to work in the United States at the time of hire; we are unable to provide visa sponsorship for this role


Nice to Have

  • Backend development experience with Java would be a big plus



Contract to Full-time Conversion:

Contractor Phase

  • Hourly rate
  • Contract duration - 6-12 month
  • Potential transition timeline

Full-Time Conversion (Future Opportunity)

  • Full-Time Benefits (Upon Conversion)
  • Upon successful transition to a full-time role, the position may include:
  • Comprehensive health benefits (medical, dental, vision, mental health)
  • Paid time off and holidays
  • Parental leave
  • 401(k) / retirement options (if applicable)
  • Professional development support
  • Additional stipends (wellness, home office, etc.)


Please note: These benefits are available only upon full-time employment and are not applicable during the contractor phase.

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