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Sr Frontend Developer Jobs in California (NOW HIRING)

Jobsbridge

Sr. Front End Developer

San Diego, CA

$110K - $128K/yr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Responsibilities: Familiarity with browser and mobile app testing and ...

Jobsbridge

Sr Front End Developer

Torrance, CA

$120K - $157K/yr

Company Description Jobs Bridge Inc is among the fastest growing IT staffing / professional services organization with its own job portal. Jobs Bridge works extremely closely with a large number of ...

Finix

Senior Frontend Engineer

San Francisco, CA · On-site

$144K - $198K/yr

As a Senior Frontend Engineer, you will architect and build core payment experiences and develop comprehensive payment management dashboards, driving the technical vision for customer-facing products.

MrBeast

Senior Frontend Engineer

San Mateo, CA · Hybrid

$139K - $191K/yr

Senior Frontend Engineer Primary: Bay Area (San Francisco / Peninsula) | Secondary: NYC The Opportunity We're doing an AI-first engineering rebuild for a company that already has an audience of 100M ...

Hired Recruiters

Senior Frontend Engineer

San Francisco, CA · On-site +1

$144K - $198K/yr

The Job As a Senior Frontend Engineer you'll contribute to major frontend features that our customers use every day. You will build UI components that help our customer's security analysts perform ...

Prosum

Senior Front-End Engineer

Glendale, CA · On-site

$129K - $178K/yr

Company Description Sr. Front-End Engineer We are looking for a passionate engineer who wants to shape the next generation of video consumption applications on the Web. We're a casual shop that ...

Mochi Health

Senior Front-End Engineer

San Francisco, CA · On-site

$144K - $198K/yr

They are seeking a Senior Front-End Engineer to lead the development of user interfaces that enhance patient and provider interactions, ensuring a responsive and reliable experience in managing ...

Halliday

Senior Frontend Engineer

San Francisco, CA · On-site

$144K - $198K/yr

They are seeking a Senior Frontend Engineer to build consumer-facing crypto and payments products ... and developer tools. • Contribute to Halliday's public SDKs and APIs, making it easy for ...

Prosum

Senior Front-End Engineer

Glendale, CA · On-site

$129K - $178K/yr

Sr. Front-End Engineer We are looking for a passionate engineer who wants to shape the next generation of video consumption applications on the Web. We're a casual shop that values passion, community ...

Mochi Health

Senior Front-End Engineer

San Francisco, CA · On-site

$144K - $198K/yr

They are seeking a Senior Front-End Engineer to develop and optimize user interfaces that enhance patient and provider interactions, ensuring a seamless experience in their AI-driven healthcare ...

Giga AI Inc

Senior Frontend Engineer

San Francisco, CA · On-site

$200K - $280K/yr

Develop yourself alongside top-tier engineers and founders More About the Role We're seeking a seasoned Senior Frontend Engineer with deep prior experience with building functional & visually ...

Halliday

Senior Frontend Engineer

San Francisco, CA · On-site

$144K - $198K/yr

They are seeking a Senior Frontend Engineer with expertise in React and TypeScript to build ... and developer tools. • Ship Developer Tools: Contribute to Halliday's public SDKs and APIs ...

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Showing results 21-40

All JobsSr Frontend Developer JobsSr Frontend Developer Jobs in California

Sr Frontend Developer information

What is the difference between Sr Frontend Developer vs Frontend Developer?

AspectSr Frontend DeveloperFrontend Developer
Required ExperienceTypically 5+ years, leadership skills1-3 years, entry to mid-level
ResponsibilitiesAdvanced coding, mentoring, project leadershipImplementing UI features, bug fixes
Skills & CertificationsExpertise in JavaScript, frameworks, leadershipHTML, CSS, JavaScript basics
Work EnvironmentSenior roles in teams, project planningDevelopment teams, collaborative projects

The main difference between a Sr Frontend Developer and a Frontend Developer lies in experience, responsibilities, and leadership. Senior developers handle complex tasks, mentor others, and lead projects, while frontend developers focus on implementing features and fixing bugs. Both roles require strong JavaScript, HTML, and CSS skills, but senior roles demand more experience and strategic input.

What is a Sr Frontend Developer?

Sr Frontend Developers are experienced software engineers who specialize in building and optimizing the user interfaces of web applications. They are responsible for translating design mockups into interactive, responsive, and accessible web pages using technologies like HTML, CSS, and JavaScript frameworks (such as React, Angular, or Vue). In addition to coding, Sr Frontend Developers often lead technical decisions, mentor junior developers, and collaborate closely with designers and backend engineers to deliver high-quality user experiences. Their expertise ensures that web applications are visually appealing, performant, and user-friendly.

What are some common challenges faced by Sr Frontend Developers when working on cross-functional teams?

Sr Frontend Developers often collaborate closely with backend engineers, UX/UI designers, and product managers. A common challenge in these environments is ensuring clear communication of technical requirements and design expectations to avoid misunderstandings that can lead to rework. Balancing user experience with technical feasibility is another frequent hurdle, especially when negotiating priorities between design vision and performance constraints. Effective Sr Frontend Developers proactively bridge gaps through strong documentation, regular alignment meetings, and by advocating for best practices in both development and design.

What are the key skills and qualifications needed to thrive as a Sr Frontend Developer?

To thrive as a Sr Frontend Developer, you need deep expertise in HTML, CSS, JavaScript, and modern front-end frameworks like React or Angular, usually backed by a degree in computer science or equivalent experience. Advanced knowledge of tools such as Git, Webpack, RESTful APIs, and proficiency with testing frameworks is typically required. Outstanding problem-solving abilities, strong collaboration, and effective communication set top performers apart in this role. These skills ensure the delivery of high-quality, user-friendly interfaces and seamless teamwork in fast-paced development environments.
What are popular job titles related to Sr Frontend Developer jobs in California? For Sr Frontend Developer jobs in California, the most frequently searched job titles are:
What job categories do people searching Sr Frontend Developer jobs in California look for? The top searched job categories for Sr Frontend Developer jobs in California are:
What cities in California are hiring for Sr Frontend Developer jobs? Cities in California with the most Sr Frontend Developer job openings:
Sr Frontend Developer jobs near you
Infographic showing various Sr Frontend Developer job openings in California as of August 2026, with employment types broken down into 1% As Needed, 79% Full Time, 14% Part Time, 2% Temporary, and 4% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution.

Senior Frontend Engineer (React)

Emeraldadvantageconcepts

Redwood City, CA • On-site

$165K - $300K/yr

Full-time

Medical, Dental, Vision

Posted 14 days ago

Job description

Senior Frontend Engineer (React)

Location: Redwood City, CA (Onsite – 5 Days per Week)

Build the Future of Voice AI

Emerald Advantage Concepts is partnering with one of the fastest-growing AI companies in the world to hire an exceptional Senior Frontend Engineer.

Our client is transforming how businesses use conversational AI by building a next-generation voice automation platform used by thousands of organizations. Backed by Y Combinator and leading venture investors, the company has experienced explosive growth and is recognized as one of the top AI startups in the industry.

This is an opportunity to join a small, high-performing engineering team where you'll own products from concept to production, work directly with the founders and CTO, and help shape the future of enterprise AI.

If you're passionate about building world-class user experiences with React and enjoy solving complex engineering challenges, we'd love to connect with you.

What You'll Do
  • Design and build high-performance frontend applications using React and TypeScript.
  • Own frontend features from architecture through deployment.
  • Develop dashboards, analytics tools, customer portals, and AI workflow interfaces.
  • Collaborate closely with backend and full-stack engineers to deliver exceptional user experiences.
  • Work directly with customers to solve real-world problems and continuously improve the platform.
  • Help shape frontend architecture and engineering best practices in a fast-moving startup environment.
What We're Looking ForRequired Qualifications
  • 3–7 years of professional frontend engineering experience.
  • Expert-level React development experience.
  • Strong production experience with TypeScript.
  • Experience with Node.js in production environments.
  • Bachelor's degree in Computer Science or a related technical discipline.
  • Experience working at a high-growth startup or well-known technology company.
  • Ability to write clean, production-quality React code without relying on AI-generated solutions.
Preferred Background

Candidates from companies such as:

  • TikTok
  • Coinbase
  • Stripe
  • Airbnb
  • DoorDash
  • Salesforce
  • NVIDIA
  • Postman
  • Brex
  • Faire
  • Gusto
  • Other high-growth startups or YC-backed companies
Why You'll Love This Opportunity
  • Join one of the fastest-growing AI companies in the market.
  • Work directly with the CTO and founding engineering team.
  • High ownership with the opportunity to influence product direction.
  • Competitive compensation ($200K–$300K) plus meaningful equity.
  • Comprehensive medical, dental, and vision coverage.
  • Visa sponsorship available for qualified candidates.
  • Build products used by thousands of enterprise customers worldwide.
Candidate Representation Notice

Emerald Advantage Concepts is committed to representing our candidates professionally throughout the hiring process.

By applying through Emerald Advantage Concepts, you authorize us to represent you for this specific opportunity. To help protect your candidacy and avoid duplicate submissions—which may affect an employer's ability to consider your application—we ask that you do not apply directly or through another recruiting agency for this same position after authorizing us to represent you.

If you have already applied for this opportunity or have been contacted by another recruiter regarding this role, please notify us before we submit your application so we can determine the best path forward.

We look forward to helping you navigate the interview process and presenting your experience in the strongest possible way.