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Web Frontend Engineer Jobs in California (NOW HIRING)

Confluera is looking for a seasoned Front-End Engineer to develop large enterprise web applications. The role involves analyzing requirements, designing, and developing scalable applications using ...

Senior Frontend Engineer

Los Angeles, CA · On-site

$120K - $160K/yr

Frontend Engineer II Location: Los Angeles, CA Employment Type: Full-time About the Company We're ... Experience building modern web applications using frameworks such as React or similar technologies.

Senior Frontend Engineer

Los Angeles, CA · On-site

$132K - $181K/yr

Frontend Engineer II Location: Los Angeles, CA Employment Type: Full-time About the Company We're ... Experience building modern web applications using frameworks such as React or similar technologies.

We're building a super client-heavy, data-intensive web app aimed at a huge and profound goal ... Own the front-end. Create an experience that makes users forget they're on the web. * Be immersed ...

Confluera is seeking a Front-End Engineer with strong experience in building large enterprise web applications. The role involves analyzing requirements, hands-on development, and building reusable ...

We're hiring a Senior Frontend Engineer to help us build the next generation of web-based video editing. You'll be a key contributor to our engineering culture and product direction, working closely ...

Experience developing nodejs applications or a solid experience building applications on top of RESTful APIs Solid knowledge of common web frontend technologies (HTML, CSS, JavaScript, Ajax, and ...

Solid knowledge of common web frontend technologies (HTML, CSS, JavaScript, Ajax, and jQuery/Dojo/YUI). Experience with JavaScript templating systems (mustache, Dust, etc). Comfortable with modern ...

Company Description Intelliswift Software, Inc Responsibilities Write web application code ... Required Skills BS/BA or equivalent with 5+ years professional application/frontend development ...

Senior Frontend Engineer

Mountain View, CA · On-site

$145K - $200K/yr

Required : • 3+ years of experience in software engineering, with deep frontend expertise • Strong experience with TypeScript and modern web application development • Strong experience with ...

... years of frontend engineering experience with deep React.js and TypeScript expertise * Strong ... Expert in JavaScript (ES6+), TypeScript, Web APIs, browser internals, and performance tuning

... years of frontend engineering experience with deep React.js and TypeScript expertise * Strong ... Expert in JavaScript (ES6+), TypeScript, Web APIs, browser internals, and performance tuning

Front-End Engineer

Oakland, CA · On-site

$90K - $120K/yr

Transform wireframes and design concepts into functional web applications using modern front-end ... Work closely with back-end developers to integrate APIs and ensure data flows smoothly, as well as ...

Transform wireframes and design concepts into functional web applications using modern front-end ... Work closely with back-end developers to integrate APIs and ensure data flows smoothly, as well as ...

Senior Frontend Engineer - Web Platform

San Mateo, CA · On-site

$139K - $191K/yr

About the Role We are actively looking for an experienced front-end engineer to join our Web Platform team. As a vital member of the team, you will be the architect, designer, and developer across a ...

Senior Frontend Engineer

San Mateo, CA · Hybrid

$139K - $191K/yr

Design and implement scalable frontend architectures for complex web applications. * Build and maintain reusable UI components and design-system integrations that other engineers ship on. * Partner ...

Showing results 21-40

Web Frontend Engineer information

What are the key skills and qualifications needed to thrive as a web frontend engineer?

To thrive as a Web Frontend Engineer, you need strong proficiency in HTML, CSS, JavaScript, and modern frameworks like React or Vue, often supported by a relevant degree or practical experience. Familiarity with version control systems (like Git), build tools, and responsive design principles is typically required, and certifications in web development can be advantageous. Attention to detail, problem-solving, effective communication, and collaboration skills are crucial soft skills for this role. These skills ensure seamless user experiences, efficient teamwork, and the ability to deliver high-quality, maintainable web applications.

What does a web frontend engineer do?

A Web Frontend Engineer is responsible for developing and implementing the visual and interactive elements of websites and web applications that users interact with directly. They use technologies like HTML, CSS, and JavaScript, often working with frameworks such as React, Angular, or Vue.js. Their main goal is to create a seamless, user-friendly experience while ensuring that the website is responsive and performs well across different devices and browsers. They often collaborate with designers, backend developers, and product managers to deliver high-quality web products.

What are some common challenges a web frontend engineer might face when working on cross-functional teams?

Web Frontend Engineers often collaborate closely with designers, backend developers, and product managers. A common challenge is ensuring design fidelity while also maintaining performance and accessibility standards, which may require negotiating trade-offs among team members. Effective communication and a willingness to adapt are key, as priorities can shift quickly in agile environments. Additionally, aligning frontend implementation with backend APIs and managing version control across multiple contributors can add complexity to daily workflows.
What cities in California are hiring for Web Frontend Engineer jobs? Cities in California with the most Web Frontend Engineer job openings:
Infographic showing various Web Frontend Engineer job openings in California as of August 2026, with employment types broken down into 88% Full Time, 5% Part Time, 2% Temporary, and 5% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution.

Front-End Engineer

Confluera

Palo Alto, CA • On-site

Full-time

Re-posted 29 days ago


Job description

Job Summary:
Confluera is looking for a seasoned Front-End Engineer to develop large enterprise web applications. The role involves analyzing requirements, designing, and developing scalable applications using technologies like Python Flask and JavaScript, while also focusing on performance and quality of code.
Responsibilities:
• Analyze requirements, perform detailed design and hands-on development for scalable applications using Python Flask, JavaScript, Postgres and related technologies.
• Develop new code and/or lead existing code changes as part of a group effort.
• Build libraries, reusable components and frameworks that support complex web applications.
• Rapid development with automation in mind, and able to deliver results in a fast-paced environment.
• Able to complete projects with minimal supervision and direction.
• Review work for accuracy, quality, performance and completeness including other developers code.
• Strong experience developing web application using Python Flask, JavaScript frameworks like VueJS (preferred) Angular, React or equivalent, and Postgres or MySQL.
• REST API development to support UI applications.
• Unit Testing frameworks in Python, and Javascript domain.
• Javascript Build systems like WebPack , Babel , CSS Loaders, Module Systems.
• Git and NPM.
• Building large scale Responsive applications using CSS3 and Less/Sass.
• Experience with performance tuning application code.
• Experience with data-driven web development, including strong knowledge of JSON.
• Extensive use of APIs and deep understanding of HTTP and REST architecture.
• Experience in developing secure web applications and knowledge of application vulnerabilities such as Cross Site Scripting (XSS), Cross Site Request Forgery (CSRF), etc.
• Excellent analytical and quantitative skills.
• Excellent communication and collaboration skills and ability to multi-task.
Qualifications:
Required:
• Looking for a seasoned javascript programmer with strong experience in building large enterprise web applications using the latest technology
• Analyze requirements, perform detailed design and hands-on development for scalable applications using Python Flask, JavaScript, Postgres and related technologies.
• Develop new code and/or lead existing code changes as part of a group effort
• Build libraries, reusable components and frameworks that support complex web applications
• Rapid development with automation in mind, and able to deliver results in a fast-paced environment
• Able to complete projects with minimal supervision and direction
• Review work for accuracy, quality, performance and completeness including other developers codeTechnical
• Strong experience developing web application using Python Flask, JavaScript frameworks like VueJS (preferred) Angular, React or equivalent, and Postgres or MySQL
• REST API development to support UI applications.
• Unit Testing frameworks in Python, and Javascript domain
• Javascript Build systems like WebPack , Babel , CSS Loaders, Module Systems
• Git and NPM
• Building large scale Responsive applications using CSS3 and Less/Sass
• Experience with performance tuning application code
• Experience with data-driven web development, including strong knowledge of JSON
• Extensive use of APIs and deep understanding of HTTP and REST architecture.
• Experience in developing secure web applications and knowledge of application vulnerabilities such as Cross Site Scripting (XSS), Cross Site Request Forgery (CSRF), etc.
• Excellent analytical and quantitative skills
• Excellent communication and collaboration skills and ability to multi-task
• To be successful you are self-motivated; driven to achieve and exceed expectations
• 5+ Years Frontend Engineering Experience
• You’ve had hands-on experience with Python web frameworks like Flask or Django
• You’ve had hands-on experience with JavaScript UI frameworks like ReactJS, AngularJS, or VueJS.
• You understand frontend challenges like application state management and asynchronous JavaScript programming.
• You are excited by making fast user experiences and enjoy tackling ambiguous performance problems.
• You’ve introduced new technologies to an existing codebase in a logical and deliberate manner.
• You’ve worked with APIs, having to build them from scratch or augment existing ones as needed.
• You have strong interpersonal communication skills and ability to work well in a diverse, team-focused environment with other Engineers, Product Managers, Designers, etc. and have strong empathy for your customers.
Company:
Confluera provides security platform featuring a broad range of autonomous capabilities that deterministically track ongoing cyber threats. It is a sub-organization of XM Cyber. Founded in 2018, the company is headquartered in Palo Alto, USA, with a team of 11-50 employees. The company is currently Early Stage.