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Senior Javascript Developer Jobs in California (NOW HIRING)

Anagh Technologies, Inc.

Sr UI Developer

Oakland, CA · On-site

$69 - $89.25/hr

Sr UI Developer Oakland, CA- REMOTE Must Skill- 7 years + developing secure consumer-facing web ... Advanced level knowledge of JavaScript and hands on Programming. With React Js 5+ years of Full ...

Odesus

Sr. .NET Developer

Los Angeles, CA

$65 - $72/hr

... JavaScript, Ajax, jQuery, Razor, multithreading, MS SQL server, Oracle database, and possess ... The Senior .NET Developer further provides expertise in determining the strategic technical ...

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Senior Javascript Developer information

See California salary details

$30

$59

$78

How much do senior javascript developer jobs pay per hour?

As of Jun 12, 2026, the average hourly pay for senior javascript developer in California is $59.61, according to ZipRecruiter salary data. Most workers in this role earn between $53.37 and $67.84 per hour, depending on experience, location, and employer.

What is a Senior Javascript Developer job?

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 in the Senior Javascript Developer position, and why are they important?

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 the most commonly searched types of Javascript Developer jobs in California? The most popular types of Javascript Developer jobs in California are:
What are popular job titles related to Senior Javascript Developer jobs in California? For Senior Javascript Developer jobs in California, the most frequently searched job titles are:
What job categories do people searching Senior Javascript Developer jobs in California look for? The top searched job categories for Senior Javascript Developer jobs in California are:
What cities in California are hiring for Senior Javascript Developer jobs? Cities in California with the most Senior Javascript Developer job openings:
What are popular job titles related to Senior Javascript Developer jobs in CA? For Senior Javascript Developer jobs in CA, the most frequently searched job titles are:
Senior Javascript Developer jobs near you
Infographic showing various Senior Javascript Developer job openings in California as of June 2026, with employment types broken down into 1% As Needed, 97% Full Time, and 2% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $123,997 per year, or $59.6 per hour.
Full Stack JavaScript Engineer

Full Stack JavaScript Engineer

Richmar Associates

Santa Clara, CA • On-site

Full-time

Posted 23 hours ago

Job description

Company Description
Join our client to reshape the future of healthcare. The company introduced the first smartphone-connected blood pressure monitor in the world. Since then, our client has become a global leader in digital healthcare technology, offering a line of award-winning mobile health devices and comprehensive healthcare software solutions.
For more than 30 years, Richmar Associates has provided Silicon Valley employers with talented, reliable candidates and offered job seekers rewarding, flexible career options. Find out why we are different from other staffing agencies in Santa Clara - and across the South Bay from Palo Alto to Fremont.
Job Description
Job Description
Our client is looking for a Sr. Full Stack Engineer that wants to solve many different kinds of problems. You will work with other engineers, product managers, designers and healthcare professionals building a platform to improve the health of real people with diabetes and hypertension using cutting edge technologies. They expect you to innovate, work hard, have fun, and share ideas regularly. You will be responsible for seeing product features and/or projects through the full development life cycle.
Healthcare experience is not required.
Responsibilities
  • Design and implement highly reliable technical infrastructure
  • Implement complex business logic
  • Learn about new tools and technologies to solve problems and move our goals forward
  • Help the team define and maintain development practices that let us iterate quickly while maintaining quality - including writing tests and documenting key implementations
  • Mentor people around you, helping the entire team level up in skills
  • Maintain production site
  • Manage project progress and being able to deliver on time
  • Discuss business requirements with Product Managers and health care professionals

Skills and Qualifications
  • Highly experienced in software development with emphasis on front-end and backend development
  • 5+ years JavaScript development experience
  • 3+ years recent React, Redux, Node.js and GraphQL production experience
  • Familiar with MongoDB
  • Strong troubleshooting skills
  • Full stack experience is required
  • Positive attitude and excitement to learn in a start-up environment

Nice To Have
  • Experience with react native mobile app programming
  • Experience with Amazon AWS
  • Knowledge of web security frameworks and data structures

Perks
  • Height adjustable desk and ergonomic chair
  • Macbook Pro with a 4K monitor
  • Healthy snacks everyday
  • Collaboration lounge space
  • Game room with Ping Pong table

Qualifications
Skills and Qualifications
  • Highly experienced in software development with emphasis on front-end and backend development
  • 5+ years JavaScript development experience
  • 3+ years recent React, Redux, Node.js and GraphQL production experience
  • Familiar with MongoDB
  • Strong troubleshooting skills
  • Full stack experience is required
  • Positive attitude and excitement to learn in a start-up environment

Nice To Have
  • Experience with react native mobile app programming
  • Experience with Amazon AWS
  • Knowledge of web security frameworks and data structures

Perks
  • Height adjustable desk and ergonomic chair
  • Macbook Pro with a 4K monitor
  • Healthy snacks everyday
  • Collaboration lounge space
  • Game room with Ping Pong table

Additional Information
Perks
  • Height adjustable desk and ergonomic chair
  • Macbook Pro with a 4K monitor
  • Healthy snacks everyday
  • Collaboration lounge space
  • Game room with Ping Pong table

Apply