1

Javascript Backend Developer Jobs in California (NOW HIRING)

Backend Engineer LOCATION:Sunnyvale, CA Duration: 6 to 12+ Months Rate: DOE Description ... Must have Skills: Java, Spring Boot, Javascript, Python, RDBMS/SQL, Kubernetes Job Duties ...

Java Full Stack Engineer

Sunnyvale, CA · On-site

$61.50 - $79.50/hr

We are looking for a Java Full Stack Engineer in Sunnyvale, CA. Please find the following and ... • Javascript Backend: • Spring Framework • Java • JPA Frameworks / RDMS / SQL ...

One of our direct client is urgently looking for a Back-End Engineer@ Sunnyvale CA TITLE: Back-End ... Technical: - knowledge and understanding of NodeJS, JavaScript, TypeScript, and experience working ...

Java Back End Developer

San Francisco, CA

$59.50 - $77.25/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers ... Java, JBoss, Tomcat, Spring, Struts, JavaScript, JSON, HTML5, Flex Additional Information All your ...

Java Back End Developer

San Francisco, CA

$59.50 - $77.25/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers ... Java, JBoss, Tomcat, Spring, Struts, JavaScript, JSON, HTML5, Flex Additional Information All your ...

Company Description Intelliswift Software, Inc The Backend stack engineer will be responsible for ... JavaScript, ECMA 6, Ajax, WebSockets). Solid knowledge of algorithms, design patterns, and ...

Frontend Developer

Sunnyvale, CA · On-site

$122.10K - $142K/yr

Sunnyvale, CA (onsite) Job Type: Full time Must Have Technical/Functional Skills We are seeking a Senior Frontend Developer with deep expertise in React and JavaScript, and exposure to backend ...

At Clerkie, engineers operate with a high degree of ownership and autonomy. You'll collaborate ... Proficiency in JavaScript / Node.js (or similar backend languages) * Experience working with ...

Title: Software Engineer (Back End) Location: Fremont, CA Duration: 12+ Mos Summary: Our direct ... Javascript, Docker, Kubernetes Qualifications: · Experience writing code in object oriented ...

next page

Showing results 1-20

Javascript Backend Developer information

See California salary details

$11

$56

$83

How much do javascript backend developer jobs pay per hour?

As of May 29, 2026, the average hourly pay for javascript backend developer in California is $56.98, according to ZipRecruiter salary data. Most workers in this role earn between $46.73 and $67.36 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Javascript Backend Developer, and why are they important?

To thrive as a Javascript Backend Developer, you need strong proficiency in JavaScript (especially Node.js), knowledge of backend frameworks, and a solid understanding of databases such as MongoDB or PostgreSQL. Familiarity with development tools like Git, RESTful APIs, Docker, and cloud platforms, as well as relevant certifications, is highly valuable. Excellent problem-solving, teamwork, and communication skills help you collaborate effectively and deliver robust solutions. These abilities are crucial for building scalable, secure, and maintainable backend services that power modern applications.

What are the typical challenges a JavaScript Backend Developer faces when scaling applications for high traffic?

JavaScript Backend Developers, especially those working with Node.js, often encounter challenges related to handling high concurrency, optimizing database queries, and maintaining application performance under heavy load. Ensuring efficient memory management and implementing robust error handling are also critical when scaling. Working closely with DevOps and frontend teams to optimize APIs and monitor system health is essential for delivering reliable, scalable backend solutions.

What does a JavaScript Backend Developer do?

A JavaScript Backend Developer is responsible for building and maintaining the server-side logic, databases, and APIs that power web applications. They use JavaScript, often with frameworks like Node.js, to process requests, manage data, and ensure smooth communication between the frontend and backend of an application. Their work ensures that web applications are scalable, secure, and efficient. JavaScript Backend Developers also collaborate with frontend developers and other team members to deliver seamless user experiences.

What is the difference between Javascript Backend Developer vs Javascript Frontend Developer?

AspectJavascript Backend DeveloperJavascript Frontend Developer
Primary FocusServer-side development, APIs, databasesUser interface, client-side interactions
Required SkillsNode.js, databases, server managementHTML, CSS, JavaScript, UI frameworks
Work EnvironmentBack-end servers, cloud platformsWeb browsers, client devices
Common UsageBuilding APIs, server logicDesigning web pages, user experience

The main difference between a Javascript Backend Developer and a Javascript Frontend Developer lies in their focus areas. Backend developers handle server-side logic, databases, and APIs, while frontend developers focus on creating engaging user interfaces and client-side interactions. Both roles require JavaScript skills but apply them in different parts of web development projects.

What cities in California are hiring for Javascript Backend Developer jobs? Cities in California with the most Javascript Backend Developer job openings:
Infographic showing various Javascript Backend Developer job openings in California as of May 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $118,514 per year, or $57 per hour.
Backend Engineer

Backend Engineer

Redolent, Inc

Sunnyvale, CA • On-site

Other

Posted 27 days ago


Job description


Hello,
One of our direct client is urgently looking for a Backend Engineer @ Sunnyvale CA
TITLE: Backend Engineer
LOCATION:Sunnyvale, CA
Duration: 6 to 12+ Months
Rate: DOE

Description:
Must have Skills:
Java, Spring Boot, Javascript, Python, RDBMS/SQL, Kubernetes

Job Duties:
-Develops innovation strategies, processes, and best practices.
- Drives the execution of multiple business plans and projects.
- Supports and ensures business objectives being met.
- Leads the discovery phase of medium to large projects to come up with high level design.
- Leads the work of other small group of 3 to 4 engineers for assigned Engineering projects - Leads and participates in end to end service implementations, data feeds ingestion, and orchestration.
- Designs and implements low latency services.
- Promotes and supports company policies, procedures, mission, values, and standards of ethics and integrity.
- Troubleshoots business and production issues .

Redolent logo

About Redolent

Sourced by ZipRecruiter

Redolent, a dynamic and rapidly expanding company committed to excellence in software solutions, where success is fueled by a combination of technical expertise and efficient management practices. Our solutions create a measurable delta in our clients’ productivity and profitability, contributing to their growth and success.

Industry

It services

Company size

51 - 200 Employees

Headquarters location

San Jose, CA, US

Year founded

2008

Social media