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Senior Javascript Developer Jobs in Foster City, CA

Walmart

Javascript Senior Software Developer

San Mateo, CA · On-site

$117K - $234K/yr

We're seeking a Software Engineer to build personalized, high-impact digital experiences for ... JavaScript, TypeScript, and CSS3 * Write and maintain unit and integration tests using tools like ...

Walmart

Javascript Senior Software Developer

Cupertino, CA · On-site

$117K - $234K/yr

We're seeking a Software Engineer to build personalized, high-impact digital experiences for ... JavaScript, TypeScript, and CSS3 * Write and maintain unit and integration tests using tools like ...

Walmart

Javascript Senior Software Developer

Hayward, CA · On-site

$117K - $234K/yr

We're seeking a Software Engineer to build personalized, high-impact digital experiences for ... JavaScript, TypeScript, and CSS3 * Write and maintain unit and integration tests using tools like ...

Walmart

Javascript Senior Software Developer

San Jose, CA · On-site

$117K - $234K/yr

We're seeking a Software Engineer to build personalized, high-impact digital experiences for ... JavaScript, TypeScript, and CSS3 * Write and maintain unit and integration tests using tools like ...

Walmart

Javascript Senior Software Developer

Sunnyvale, CA · On-site

$117K - $234K/yr

We're seeking a Software Engineer to build personalized, high-impact digital experiences for ... JavaScript, TypeScript, and CSS3 * Write and maintain unit and integration tests using tools like ...

Walmart

Javascript Senior Software Developer

Fremont, CA · On-site

$117K - $234K/yr

We're seeking a Software Engineer to build personalized, high-impact digital experiences for ... JavaScript, TypeScript, and CSS3 * Write and maintain unit and integration tests using tools like ...

Navisoft

Senior React Developer

Santa Clara, CA · On-site

$150 - $210/hr

We are looking for a Senior React Developer with 5+ years of experience to join our team in Santa ... Design and develop complex, scalable React.js applications using modern JavaScript (ES6)

Walmart

Javascript Senior Software Developer

Milpitas, CA · On-site

$117K - $234K/yr

We're seeking a Software Engineer to build personalized, high-impact digital experiences for ... JavaScript, TypeScript, and CSS3 * Write and maintain unit and integration tests using tools like ...

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 ...

Walmart

Javascript Senior Software Developer

San Mateo, CA · On-site

$117K - $234K/yr

Walmart's Catalog organization is seeking a Senior Software Engineer with deep expertise in Java backend development to help build and scale critical services for our e-commerce platform. You will be ...

Walmart

Javascript Senior Software Developer

Sunnyvale, CA · On-site

$117K - $234K/yr

Walmart's Catalog organization is seeking a Senior Software Engineer with deep expertise in Java backend development to help build and scale critical services for our e-commerce platform. You will be ...

Walmart

Javascript Senior Software Developer

Fremont, CA · On-site

$117K - $234K/yr

Walmart's Catalog organization is seeking a Senior Software Engineer with deep expertise in Java backend development to help build and scale critical services for our e-commerce platform. You will be ...

Walmart

Javascript Senior Software Developer

San Jose, CA · On-site

$117K - $234K/yr

Walmart's Catalog organization is seeking a Senior Software Engineer with deep expertise in Java backend development to help build and scale critical services for our e-commerce platform. You will be ...

Walmart

Javascript Senior Software Developer

Fremont, CA · On-site

$117K - $234K/yr

We are seeking a talented and passionate Senior, Software Engineer (Back End), you will be part of Catalog Engineering team and will be responsible for developing high performance and scalable ...

Walmart

Javascript Senior Software Developer

San Jose, CA · On-site

$117K - $234K/yr

We are seeking a talented and passionate Senior, Software Engineer (Back End), you will be part of Catalog Engineering team and will be responsible for developing high performance and scalable ...

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All JobsJavascript Developer JobsSenior Javascript Developer JobsSenior Javascript Developer Jobs in Foster City, CA

Senior Javascript Developer information

See Foster City, CA salary details

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$70

$93

How much do senior javascript developer jobs pay per hour?

As of Aug 23, 2026, the average hourly pay for senior javascript developer in Foster City, CA is $70.40, according to ZipRecruiter salary data. Most workers in this role earn between $63.03 and $80.14 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 Foster City, CA?

The most popular types of Javascript Developer jobs in Foster City, CA are:

What are popular job titles related to Senior Javascript Developer jobs in Foster City, CA?

For Senior Javascript Developer jobs in Foster City, CA, the most frequently searched job titles are:

What cities near Foster City, CA are hiring for Senior Javascript Developer jobs?

Cities near Foster City, CA with the most Senior Javascript Developer job openings:

Senior Javascript Developer jobs near you
Infographic showing various Senior Javascript Developer job openings in Foster City, CA as of June 2026, with employment types broken down into 80% Full Time, 10% Part Time, 3% Temporary, and 7% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution, with an average salary of $146,438 per year, or $70.4 per hour.

Full Stack JavaScript Engineer

Richmar Associates

Santa Clara, CA • On-site

Full-time

Re-posted 13 days 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