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

Eitacies Inc

Senior Front End Developer

Los Angeles, CA · On-site

$55 - $60/hr

Job Title: Sr. Front-End Developer Location: Los Angeles, CA Duration: Long Term Work Mode : Onsite ... You have a strong command of HTML , CSS , JavaScript , and TypeScript . * You re experienced in ...

Eitacies Inc

Senior Dot NET Developer

Los Angeles, CA · Remote

$45 - $50/hr

Senior .NET Developer Los Angeles, CA Hiring a Senior .NET Developer to support Parent Portal ... HTML5, CSS3, JavaScript * Bootstrap, jQuery Preferred Skills * Oracle, PostgreSQL * Node.js, ...

Search Solutions, LLC

Senior Node.js Developer

Los Angeles, CA · On-site

$55.25 - $71.50/hr

  • Medical

  • Retirement

  • PTO

Senior Level Engineer to work on sophisticated, Node.js RESTful JSON micro-service APIs ... Qualifications The ideal candidate should have strong backend experience in a JavaScript and Node ...

Search Solutions, LLC

Senior Android Developer

Beverly Hills, CA · On-site

$67 - $85/hr

  • Medical

  • Retirement

  • PTO

We are hiring for a Sr Android developer with 3-5 years proven experience with Java, Javascript, Ajax, Jquery (+ PHP & Spring Frameworks). This is an ideal position for a true polyglot developer.

iSpace, Inc

Senior .NET Developer

Torrance, CA · On-site

$69/hr

Senior .NET Developer Location - Torrance, CA (Onsite) Contract Duration 15+ Months with ... NET programming languages, Windows forms, HTML5/CSS3 and SQL Server, Javascript, Angular in an n ...

TechLink Systems

Sr .Net Developer

Torrance, CA · On-site

$57 - $75.25/hr

Senior .Net Developer ( 2857 ) if you are interested please forward your updated resume, pay ... DHMTL, JavaScript, CSS, Jquery,Ajax • Experience with XML and XSLT • Excellent code ...

J. Paul Getty Trust, The

Software Engineer Sr

Los Angeles, CA · Hybrid

$132K - $174K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

We are seeking an experienced Senior Software Engineer with a passion for crafting exceptional ... Experience with ES6 JavaScript and contemporary JavaScript programming practices * Experience with ...

TechLink Systems

Sr .Net Developer

Torrance, CA

$57 - $75.25/hr

Senior .Net Developer ( 2857 ) if you are interested please forward your updated resume, pay ... with DHMTL, JavaScript, CSS, Jquery,Ajax Experience with XML and XSLT Excellent code ...

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All JobsJavascript Developer JobsSenior Javascript Developer JobsSenior Javascript Developer Jobs in Downey, CA

Senior Javascript Developer information

See Downey, CA salary details

$31

$62

$82

How much do senior javascript developer jobs pay per hour?

As of Aug 12, 2026, the average hourly pay for senior javascript developer in Downey, CA is $62.82, according to ZipRecruiter salary data. Most workers in this role earn between $56.25 and $71.49 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 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 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 popular job titles related to Senior Javascript Developer jobs in Downey, CA? For Senior Javascript Developer jobs in Downey, CA, the most frequently searched job titles are:
What cities near Downey, CA are hiring for Senior Javascript Developer jobs? Cities near Downey, CA with the most Senior Javascript Developer job openings:
Senior Javascript Developer jobs near you
Infographic showing various Senior Javascript Developer job openings in Downey, CA as of June 2026, with employment types broken down into 80% Full Time, 10% Part Time, 3% Temporary, and 7% Contract. Highlights an 78% Physical, 4% Hybrid, and 18% Remote job distribution, with an average salary of $130,659 per year, or $62.8 per hour.

Senior Software Engineer, (Javascript, Node.js)

Prosum

Glendale, CA • On-site

$129K - $171K/yr

Contractor

Re-posted yesterday

Job description

Job Description

Overview:

We are urgently looking for a Sr. Software Engineer for our client that will handle the following duties for the company:

  • Implement requirements and prototypes in Node.js, JavaScript and other development languages
  • Maintain website by addressing and fixing site issues and defects
  • Ensure code quality with unit tests by using test-driven development Provide feedback through code reviews and peer programming techniques
  • Document code implementation within the codebase and on the wiki
  • When tools, automation, or innovative functionality is needed, researches and develops latest technologies
  • Interact with product and project managers to understand requirements that will be implemented
  • Collaborate with search, mobile and other engineering teams to design and implement consumer features
  • Work together with team members to plan, break-down and implement functional tasks
Qualifications

Qualifications/Skills:

  • Bachelor in Computer Science and 3-5 years' combined web development experience, preferably using Node.js or JavaScript; OR Masters in Computer Science and 1-2 years' combined web development experience, preferably using Node.js or JavaScript
  • Web development experience (professional and/or academic) using any of these technologies: Java, Python, Perl or Ruby Experience with Jade and Less is a plus
  • Node.js experience is highly desired; at the very least, candidate should have strong desire and aptitude to work with Node
  • Experience developing web sites utilizing lightweight web services is a plus
  • Experience developing web for mobile devices is a plus

Attributes for the Role:

  • Ability to work in a collaborative team environment with aggressive deadlines and multiple priorities
  • Excellent oral and written communication skills
  • Able to work with cross-functional leads in engineering, product, QA, and operations
  • Well versed in agile practices and collaborative development
Additional Information

All your information will be kept confidential according to EEO guidelines.

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