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Reactjs Front End Developer Jobs in California (NOW HIRING)

Anagh Technologies, Inc.

React Developer

Sunnyvale, CA · On-site

$124K - $144K/yr

Client is seeking an exceptional Front-End Software Engineer to expand our dynamic team. * The perfect candidate will possess expert-level knowledge in ReactJS, along with a comprehensive ...

Info Way Solutions

React JS Developer

Fremont, CA · On-site

$114K - $132K/yr

Info Way Solutions is seeking a React JS Developer for their client Walmart ... The role involves building customizable and dynamic frontend components using ReactJS and ensuring ...

InterSources Inc

UI Developer

San Jose, CA · On-site

$58.50 - $76.25/hr

They are seeking a UI Developer who will be responsible for troubleshooting issues in both Frontend and Backend, with a focus on JAVA programming and skills in ReactJS or AngularJS, HTML5, and CSS3.

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Reactjs Front End Developer information

What is a ReactJS front end developer?

ReactJS Front End Developers are software engineers who specialize in building user interfaces using the ReactJS library. They focus on creating interactive, dynamic web applications by constructing reusable components and managing application state. These developers work closely with designers and backend developers to ensure seamless user experiences, responsive layouts, and efficient performance. Their primary responsibility is to translate design mockups and requirements into functional, maintainable code using JavaScript, HTML, and CSS.

What are some common challenges faced by ReactJS front end developers when working on large-scale applications?

Reactjs Front End Developers often encounter challenges such as managing complex state across multiple components, optimizing application performance, and ensuring code maintainability as projects scale. Collaboration with backend teams to set up efficient APIs and handling asynchronous data fetching are also typical hurdles. Staying up-to-date with evolving best practices in React and integrating new libraries or tools can require continuous learning and adaptation. However, most teams support knowledge sharing and code reviews to help developers overcome these challenges.

What are the key skills and qualifications needed to thrive as a ReactJS front end developer, and why are they important?

To thrive as a Reactjs Front End Developer, you need a strong grasp of JavaScript, HTML, CSS, and a thorough understanding of React.js concepts and component-based architecture, often supported by a relevant computer science degree or equivalent experience. Familiarity with tools like Git, npm/yarn, RESTful APIs, and testing frameworks such as Jest or React Testing Library is typically expected. Strong problem-solving abilities, attention to detail, and effective communication skills help developers collaborate well and create user-friendly interfaces. These competencies are crucial for building efficient, maintainable, and visually appealing web applications that meet user and business needs.

What is the difference between Reactjs Front End Developer vs JavaScript Developer?

AspectReactjs Front End DeveloperJavaScript Developer
Required SkillsProficiency in React.js, HTML, CSS, JavaScript, UI/UX designStrong JavaScript skills, HTML, CSS, and familiarity with various frameworks
Work EnvironmentFront-end web development teams, UI/UX design projectsFull-stack or front-end teams, web application development
Common UsageBuilding interactive user interfaces with ReactDeveloping dynamic web applications using JavaScript

Reactjs Front End Developers focus specifically on creating user interfaces with React.js, while JavaScript Developers have broader roles involving various JavaScript frameworks and backend integration. Both roles require strong JavaScript skills and often work together in web development projects, but Reactjs Front End Developers specialize in React-based UI design.

What cities in California are hiring for Reactjs Front End Developer jobs?

Cities in California with the most Reactjs Front End Developer job openings:

Infographic showing various Reactjs Front End Developer job openings in California as of September 2026, with employment types broken down into 1% As Needed, 77% Full Time, 17% Part Time, 1% Temporary, and 4% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution.

Lead Frontend Developer (React)

Santa Clara, CA • On-site

CYNET SYSTEMS
IT Services • 501 - 1,000 employees
Learn more about CYNET SYSTEMSexternal

$57 - $62/hr

Contractor

Re-posted 17 days ago

Job description

Job Overview:

Pay Range: $57hr - $62hr

Requirement/Must Have:

  • 1+ years of experience in ReactJS, Redux, and modern JavaScript (ES6+).
  • Experience with Python.
  • Proficiency in unit testing frameworks (e.g., Jest, Mocha).
  • Knowledge of performance optimization tools (e.g., Webpack, Babel).
  • Experience with Agile methodologies and stakeholder management.
  • Exposure to Generative AI tools (e.g., Claude AI).
  • Proven experience in leading teams.
  • Strong verbal and written communication skills.

Responsibilities:

  • Lead and mentor a development team, ensuring high-quality deliverables.
  • Take ownership of application delivery and stakeholder communication.
  • Collaborate closely with UI/UX designers, product managers, and backend teams to align technical solutions with business and user needs.
  • Translate wireframes and mockups into responsive, high-quality user interfaces.
  • Troubleshoot and resolve complex UI issues to ensure seamless user experiences.
  • Ensure code quality through unit testing and continuous integration practices.
  • Optimize application performance across browsers and devices.

Skills:

  • Strong communication and problem-solving skills.

Founded in 2010 and headquartered in the Washington, DC metro area, Cynet Systems Inc. is a leading staffing and recruiting powerhouse. Proudly recognized as a nationally and locally certified diversity firm, Cynet delivers agile, scalable talent solutions across industries. With an active footprint in all 50 U.S. states and Canada, we support thousands of consultants through our expansive, high-performing recruitment engine operating across North America and Asia—ensuring speed, quality, and consistency in every hire.
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About Cynet Systems

Sourced by ZipRecruiter

Cynet Systems Inc is a staffing and recruiting corporation nestled in Ashburn, VA, USA. Established in 2010, the company operates within the Information Technology and Services sector, specializing in providing effective workforce solutions to different business needs, including IT consulting, direct hire, and contract staffing services. Through the years, Cynet Systems has built an impressive portfolio, going beyond borders and expanding its operations internationally in Canada and India. Rooted in its core values of teamwork, leadership, and commitment, Cynet Systems helps businesses unlock their full potential by providing versatile and competent professionals that perfectly align with their needs. Fueled by their unwavering mission to deliver top-tier talent to businesses worldwide, Cynet Systems garnered various recognitions including SIA's fastest-growing staffing firms and Best Place to Work in Virginia for 2019.

Industry

It services

Company size

501 - 1,000 Employees

Headquarters location

Sterling, VA, US

Year founded

2010

Social media

Twitter

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