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Senior Javascript Developer Jobs in Irvine, CA (NOW HIRING)

Twitch

Senior iOS Engineer

Irvine, CA · On-site

$148K/yr

... balance developer velocity, app performance, and maintainability, representing Mobile Core ... JavaScript bridges, React, or React Native • Experience with video streaming or real-time ...

YPM, Inc.

Marketing Web Developer

Irvine, CA · On-site

$70 - $110/hr

... JavaScript, PHP, ASP.NET, WordPress, and other CMS platforms and frameworks.Develop pages and ... Collaborate with senior developers on larger projects.Website QA & Testing (25%)Perform QA for ...

Slope

Senior Software Engineer

Costa Mesa, CA · On-site

$191 - $253/hr

Senior Software Engineer Build and scale Anduril's Forge internal tools for manufacturing and ... Proficiency with web‑based technologies such as Javascript, React, Typescript, and web frameworks ...

YPM

Marketing Web Developer

Irvine, CA · On-site

$85 - $120/hr

Collaborate with senior developers on larger projects. * Website QA & Testing (25%) * Perform QA ... Strong knowledge of HTML5, CSS3, JavaScript, responsive design, and PHP. * Experience with Git or ...

YPM, Inc.

Marketing Web Developer

Irvine, CA

Collaborate with senior developers on larger projects. Website QA & Testing (25%) * Perform QA for ... Strong knowledge of HTML5, CSS3, JavaScript, responsive design, and PHP. * Experience with Git or ...

VSolvit

JUNIOR FULL STACK DEVELOPER

Norco, CA · On-site

$25 - $41/hr

Build responsive, user-friendly UI components using HTML5, CSS3, React, and JavaScript/TypeScript ... Excellent communication skills and a strong desire to learn from senior developers. * US ...

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How much do senior javascript developer jobs pay per hour?

As of Sep 4, 2026, the average hourly pay for senior javascript developer in Irvine, CA is $64.84, according to ZipRecruiter salary data. Most workers in this role earn between $58.08 and $73.80 per hour, depending on experience, location, and employer.

What is a senior JavaScript developer?

A Senior JavaScript Developer is a highly experienced programmer specializing in JavaScript, including frameworks like React, Angular, or Node.js. They are responsible for designing, developing, and optimizing web applications, ensuring high performance and maintainability. Additionally, they provide technical leadership, mentor junior developers, and collaborate with cross-functional teams to deliver scalable solutions. Strong problem-solving skills, deep knowledge of JavaScript best practices, and experience with modern development tools are essential for this role.

What are the key skills and qualifications needed to thrive as a senior JavaScript developer?

To thrive as a Senior Javascript Developer, a strong command of JavaScript (including ES6+), advanced front-end frameworks (like React, Angular, or Vue), and back-end technologies (such as Node.js) are essential, along with several years of professional coding experience. Familiarity with version control systems (like Git), CI/CD pipelines, and relevant certifications (e.g., AWS Certified Developer or JavaScript certifications) is highly valued. Excellent problem-solving abilities, mentorship skills, and effective communication help developers collaborate and lead within cross-functional teams. These skills enable Senior Javascript Developers to build robust applications, guide junior team members, and drive innovation in fast-paced tech environments.

What are typical challenges faced by senior JavaScript developers in day-to-day work?

Senior Javascript Developers often encounter complex challenges such as optimizing web application performance, ensuring code scalability and maintainability, and integrating with diverse APIs and services. They are also expected to troubleshoot legacy code and address security vulnerabilities, all while keeping up with the rapidly evolving JavaScript ecosystem. Collaborating with designers, product managers, and junior developers can add layers of complexity to project requirements. However, overcoming these challenges is rewarding and provides opportunities to shape technical strategy and influence best practices within the team.

What are the most commonly searched types of Javascript Developer jobs in Irvine, CA?

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Senior Javascript Developer jobs near you
Infographic showing various Senior Javascript Developer job openings in Irvine, CA as of August 2026, with employment types broken down into 80% Full Time, 6% Part Time, and 14% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $134,863 per year, or $64.8 per hour.

Senior iOS Engineer

Twitch

Irvine, CA • On-site

$148K/yr

Full-time

Re-posted 20 days ago

Job description

Job Summary:
Twitch is the world’s biggest live streaming service, fostering global communities around gaming, entertainment, and more. The Senior iOS Engineer will contribute to the Mobile Core team by developing frameworks and tools to enhance mobile experiences, focusing on core features like Video Playback and hybrid mobile strategies.
Responsibilities:
• Own and drive the technical strategy for foundational iOS components, native video playback infrastructure, and hybrid (React in WebView) frameworks
• Architect and build robust WebView infrastructure and bridges that enable seamless integration between React-based web content and native iOS functionality
• Lead performance optimization efforts for platform components used by millions of daily active users, establishing benchmarks and best practices
• Provide technical leadership and mentorship to iOS engineers across multiple product teams and within Mobile Core, including onboarding and growing L4/L5 engineers
• Drive cross-organizational architectural decisions that balance developer velocity, app performance, and maintainability, representing Mobile Core's technical perspective in org-wide discussions
• Collaborate with cross-functional teams to establish and maintain development standards for hybrid mobile applications, influencing adoption across the mobile engineering organization
Qualifications:
Required:
• 6+ years of professional iOS development experience
• Strong proficiency with Swift and the iOS architectural components and ecosystem
• 6+ years of building and shipping production iOS applications to the Apple App Store
• A talent for building consensus around technical decisions and guiding the team along evolving architecture patterns
• Track record of leading major architectural initiatives, migrations, or platform-level projects
• Experience mentoring engineers and raising the technical bar across teams
• Experience leveraging AI-powered development tools (such as Claude Code, GitHub Copilot, Cursor, or similar) to accelerate development
Preferred:
• Experience with hybrid mobile architectures, WebView integration, JavaScript bridges, React, or React Native
• Experience with video streaming or real-time communication technologies
• Experience working on platform or infrastructure teams that support multiple product teams
Company:
Twitch is a social video platform where gamers can broadcast, watch, and talk about video games. It is a sub-organization of Amazon. Founded in 2007, the company is headquartered in San Francisco, USA, with a team of 1001-5000 employees. The company is currently Late Stage.

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