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Trainee Frontend Javascript Developer Jobs in Orange, CA

Senior Frontend Engineer

Los Angeles, CA · On-site

$120K - $160K/yr

Frontend Engineer II Location: Los Angeles, CA Employment Type: Full-time About the Company We're ... Strong proficiency with JavaScript and/or TypeScript. * Experience building modern web applications ...

Sr Developer, Web

Irvine, CA · On-site

$93K/yr

... ES6, JavaScript build tools * Experience in developing software using Front-end libraries ... Experience in applying software engineering best practices, setting front-end software and UX ...

Sr Developer, Web

Irvine, CA · On-site

$93K - $117K/yr

... ES6, JavaScript build tools * Experience in developing software using Front-end libraries ... Experience in applying software engineering best practices, setting front-end software and UX ...

Position Summary The Front End Web Developer 1 is responsible for coding approved designs into ... This role supports email template creation and develops creative JavaScript solutions to launch A/B ...

About The Role As a Senior Frontend Engineer at Zoo, you'll play a crucial role in the development ... Apply a deep understanding of JavaScript and browser internals to improve app functionality and ...

... Frontend Engineer at Zoo, you'll play a crucial role in the development and enhancement of our ... Apply a deep understanding of JavaScript and browser internals to improve app functionality and ...

Senior Staff Engineer Frontend

Tustin, CA · On-site

$128K - $176K/yr

... JavaScript frameworks. * Proven experience in architecting and building large-scale web ... Familiarity with CI/CD pipelines and DevOps practices for front-end applications. * Contributions ...

Integration of user-facing elements developed by a front-end developers with server side logic ... Experience with Javascript: Nodejs, Meteorjs, Angularjs, Backbonejs, and Bootstrap3 Complete ...

Integration of user-facing elements developed by a front-end developers with server side logic ... Experience with Javascript: Nodejs, Meteorjs, Angularjs, Backbonejs, and Bootstrap3 Complete ...

Showing results 21-40

Trainee Frontend Javascript Developer information

See Orange, CA salary details

$45.4K

$117.9K

$166.1K

How much do trainee frontend javascript developer jobs pay per year?

As of Aug 16, 2026, the average yearly pay for trainee frontend javascript developer in Orange, CA is $117,949.00, according to ZipRecruiter salary data. Most workers in this role earn between $111,100.00 and $129,300.00 per year, depending on experience, location, and employer.

What is the difference between Trainee Frontend Javascript Developer vs Junior Frontend Developer?

AspectTrainee Frontend Javascript DeveloperJunior Frontend Developer
Required CredentialsBasic understanding of HTML, CSS, JavaScript; often in training or entry-levelFundamental skills in frontend development; some work experience or portfolio
Work EnvironmentLearning-focused, supervised training programs or internshipsActive development tasks, collaborating with teams, more independent
Employer & Industry UsageInternships, apprenticeships, entry-level roles in tech companiesFull-time roles in web development teams across industries

In summary, a Trainee Frontend Javascript Developer is typically in training or an internship, focusing on learning and skill development. A Junior Frontend Developer has more hands-on experience and is responsible for contributing to live projects, working more independently within a team.

What are popular job titles related to Trainee Frontend Javascript Developer jobs in Orange, CA?

For Trainee Frontend Javascript Developer jobs in Orange, CA, the most frequently searched job titles are:

What job categories do people searching Trainee Frontend Javascript Developer jobs in Orange, CA look for?

The top searched job categories for Trainee Frontend Javascript Developer jobs in Orange, CA are:

What cities near Orange, CA are hiring for Trainee Frontend Javascript Developer jobs?

Cities near Orange, CA with the most Trainee Frontend Javascript Developer job openings:

Infographic showing various Trainee Frontend Javascript Developer job openings in Orange, CA as of August 2026, with employment types broken down into 79% Full Time, 3% Part Time, and 18% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution, with an average salary of $117,949 per year, or $56.7 per hour.

Senior Front-End Software Engineer

Expert Technology Services

Los Angeles, CA • On-site

$132K - $181K/yr

Contractor

Posted 11 days ago


Job description

Job Summary (Senior Front-End Software Engineer):
- Design, build, and optimize front-end features for a streaming application used on various devices.
- Utilize React 18 and TypeScript to develop scalable and maintainable user interfaces.
- Implement and maintain state management solutions using Redux and Redux Toolkit (RTK).
- Identify, measure, and resolve performance bottlenecks related to rendering, memory usage, and application startup.
- Debug and address JavaScript memory leaks, especially for long-running applications.
- Apply strong understanding of front-end fundamentals including HTML, CSS, and modern JavaScript.
- Work with client-side routing using React Router.
- Collaborate effectively within a cross-functional team environment.
- Use and understand current tech stack: React 18.2.0, TypeScript 5.9.2, Redux, RTK, React Router.
- (Preferred) Experience with performance monitoring, profiling, and testing tools (e.g., Vitest, Playwright).
- (Preferred) Demonstrated ability in performance optimization and analyzing browser internals or large SPA bottlenecks.