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Express Js Jobs in California (NOW HIRING)

Scalence L.L.C.

UI MERN Stack Developer

Sunnyvale, CA · On-site

Responsibilities : • Strong experience in JavaScript, TypeScript and MERN (MongoDB, Express.js, React.js, Node.js) with strong knowledge in front-end architecture and performance optimization and ...

Sidecar

Software Engineer

San Francisco, CA

We're building our new infrastructure in Python using the Pyramid framework, but we also maintain legacy code in PHP Codeigniter and Express.js. Experience with these (especially Python) is a big ...

True Classic

AI Engineer

Calabasas, CA · On-site

... Express.js -- SQL/PostgreSQL a plus • Hands-on experience with cloud and DevOps: AWS, Heroku, GitHub CI/CD • Strong understanding of RESTful API design and implementation • Systems thinker who ...

Search Solutions, LLC

Node.js Developer

Los Angeles, CA

$55.25 - $71.50/hr

Backbone.js, Sails.js/Express, Node.js and MongoDB. Git/GitHub, RESTful, JSON, OAuth, Sails.js, socket.io/Web Sockets, MongoDB, Redis, Angular, Skills: Strong back-end experience. Must be comfortable ...

Jobsbridge

Node.js Web Developer

Santa Clara, CA · On-site

$60.25 - $77.75/hr

... modules (Express, Mongoose, etc.) * Experience with NoSQL databases is a plus (MongoDb, Cassandra) * Experience building modern web applications with client MVC frameworks such as Angular.js ...

Jobsbridge

Node.js Web Developer

Santa Clara, CA · On-site

$60.25 - $77.75/hr

... modules (Express, Mongoose, etc.) * Experience with NoSQL databases is a plus (MongoDb, Cassandra) * Experience building modern web applications with client MVC frameworks such as Angular.js ...

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How much do express js jobs pay per hour?

As of Jul 4, 2026, the average hourly pay for express js in California is $58.53, according to ZipRecruiter salary data. Most workers in this role earn between $52.64 and $65.24 per hour, depending on experience, location, and employer.

What is an Express Js job?

An Express.js job typically involves developing server-side applications using the Express.js framework, which is built on top of Node.js. Developers in this role design APIs, manage middleware, handle routing, and interact with databases to build web applications. They are responsible for optimizing performance, ensuring security, and integrating third-party services. Express.js developers often work closely with front-end teams to create seamless web experiences.

Is Express JS in demand?

Express JS is a popular framework for building server-side applications with Node.js, and there is consistent demand for developers skilled in it due to its widespread use in web development. Companies often seek developers familiar with JavaScript, REST APIs, and middleware to create scalable backend services.

What are common daily tasks and responsibilities for an Express.js Developer?

As an Express.js Developer, your daily tasks typically include designing, building, and maintaining server-side applications and APIs using the Express.js framework. You will collaborate with front-end developers to integrate UI components, write and test code, troubleshoot bugs, and optimize application performance. Regular responsibilities often involve participating in code reviews, updating documentation, managing databases, and working with DevOps teams to deploy new features or updates. The role requires strong teamwork and communication, as you'll frequently interact with cross-functional teams to deliver high-quality software solutions.

Is express.js a language?

Express.js is a web application framework for Node.js, which is a JavaScript runtime environment. It is not a programming language itself but a tool used by developers to build server-side applications using JavaScript. Knowledge of JavaScript is essential for working with Express.js in a development role.

What jobs can I get with JavaScript?

Jobs that require JavaScript include front-end developer, back-end developer, full-stack developer, and web application developer. These roles often involve working with frameworks like React, Angular, or Node.js and may require knowledge of HTML, CSS, and server-side programming. JavaScript skills are essential for building interactive websites and web-based applications.

What are the key skills and qualifications needed to thrive in the Express Js position, and why are they important?

To excel as an Express.js Developer, you should have strong proficiency in JavaScript, backend development, and RESTful API design, often supported by a degree in computer science or a related field. Familiarity with Node.js, version control systems like Git, and cloud deployment tools is highly beneficial, with some employers valuing certifications in JavaScript or Node.js frameworks. Outstanding problem-solving skills, effective communication, and teamwork make candidates stand out in collaborative development settings. These abilities are crucial for building scalable applications, maintaining code quality, and driving successful project deliveries.

What can I do with Express JS?

A developer working with Express JS can build server-side web applications and APIs using Node.js. It provides a minimal, flexible framework for handling routing, middleware, and request-response cycles, enabling efficient development of scalable backend services. Knowledge of JavaScript and related tools like npm is essential for effective use.
What are the most commonly searched types of Express Js jobs in California? The most popular types of Express Js jobs in California are:
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What job categories do people searching Express Js jobs in California look for? The top searched job categories for Express Js jobs in California are:
What cities in California are hiring for Express Js jobs? Cities in California with the most Express Js job openings:
Express Js jobs near you
Infographic showing various Express Js job openings in California as of June 2026, with employment types broken down into 83% Full Time, 11% Part Time, 2% Temporary, and 4% Contract. Highlights an 78% Physical, 4% Hybrid, and 18% Remote job distribution, with an average salary of $121,733 per year, or $58.5 per hour.

UI MERN Stack Developer

Scalence L.L.C.

Sunnyvale, CA • On-site

Full-time

This job post has expired today. Applications are no longer accepted.

Job description

Job Summary:
Scalence L.L.C. is seeking a UI MERN Stack Developer for a 6-month contract position. The role involves developing and maintaining robust backend services, RESTful APIs, and optimizing front-end performance using JavaScript, TypeScript, and the MERN stack.
Responsibilities:
• Strong experience in JavaScript, TypeScript and MERN (MongoDB, Express.js, React.js, Node.js) with strong knowledge in front-end architecture and performance optimization and good experience with back-end and data management.
• Build robust backend services using Node.js, ExpressJS
• Develop and maintain RESTFul APIs and Event Driven services.
• Good experience with Node.js Event Management.
• Deep understanding and experience with component architecture and state management.
• Strong experience with Node NPM Ecosystem.
• Expertise in React & Core JavaScript: Deep understanding of React fundamentals, including components, props, state, etc. Expertise in advanced JavaScript features, asynchronous programming (promises, async/await) and TypeScript.
• Asynchronous Programming & Multi-threading: Very good hands-on experience with asynchronous patterns (callbacks, Promises, async/await) in JavaScript. To add-on, good experience of Node.js event management (event loop and how to leverage its single-thread operations efficiently). Understanding of utilizing built-in libuv thread pool for CPU-intensive tasks, even though JavaScript code runs on a single thread.System Design and Architecture:
• Strong experience building/designing distributed systems leveraging Apache Kafka (Producers, Consumers, Streams) - also for asynchronous programming.
• Implement Caching strategies using Redis to optimize performance
• Build and design scalable microservices also ensuring high availability
• Experience with Event-Driven and streaming architectures API and Automation.
• Experience building and maintaining API automation Cloud and CI/CD
• Deploy and manage services using Kubernetes
• Work with CI/CD pipelines for automated build, test and deployment Data and Messaging.
• Strong experience with MongoDB for including advanced querying, indexing for performance and sharding aspects for scalability.
• Build real-time and batch pipelines using Kafka.
• Handling data consistency and performance tuning Performance and Reliability.
• Optimize front-end performance (lazy loading, code splitting, caching)
• Experience with improving back-end performance and scalability under high load
Qualifications:
Required:
• Strong experience in JavaScript, TypeScript and MERN (MongoDB, Express.js, React.js, Node.js) with strong knowledge in front-end architecture and performance optimization and good experience with back-end and data management.
• Experience with Redix
• Good hands-on experience with State Management
• Experience with Node.js Event Management
• Good hands-on experience with Multi-Threading aspects
• Redis
• Apache Kafka
• Node NPM, Node.js
• MongoDB
• Microservices
• API Automation
• Kubernetes, Docker
• Experience with AWS
• Build robust backend services using Node.js, ExpressJS
• Develop and maintain RESTFul APIs and Event Driven services.
• Good experience with Node.js Event Management.
• Deep understanding and experience with component architecture and state management.
• Strong experience with Node NPM Ecosystem.
• Expertise in React & Core JavaScript: Deep understanding of React fundamentals, including components, props, state, etc. Expertise in advanced JavaScript features, asynchronous programming (promises, async/await) and TypeScript.
• Asynchronous Programming & Multi-threading: Very good hands-on experience with asynchronous patterns (callbacks, Promises, async/await) in JavaScript. To add-on, good experience of Node.js event management (event loop and how to leverage its single-thread operations efficiently). Understanding of utilizing built-in libuv thread pool for CPU-intensive tasks, even though JavaScript code runs on a single thread.
• Strong experience building/designing distributed systems leveraging Apache Kafka (Producers, Consumers, Streams) - also for asynchronous programming.
• Implement Caching strategies using Redis to optimize performance
• Build and design scalable microservices also ensuring high availability
• Experience with Event-Driven and streaming architectures API and Automation.
• Experience building and maintaining API automation Cloud and CI/CD
• Deploy and manage services using Kubernetes
• Work with CI/CD pipelines for automated build, test and deployment Data and Messaging.
• Strong experience with MongoDB for including advanced querying, indexing for performance and sharding aspects for scalability.
• Build real-time and batch pipelines using Kafka.
• Handling data consistency and performance tuning Performance and Reliability.
• Optimize front-end performance (lazy loading, code splitting, caching)
• Experience with improving back-end performance and scalability under high load
Company:
In today’s dynamic and competitive market, success hinges on mastering three key areas: Data Intelligence, Business Resilience, and Digital Experience. Founded in , the company is headquartered in Morristown, New Jersey, US, , with a team of 501-1000 employees. The company is currently Late Stage.

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