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Mid Level React Developer Jobs in California (NOW HIRING)

Lorven Technologies

Senior React Developer

San Leandro, CA · On-site

$60.25 - $79.75/hr

Expert-level JavaScript/TypeScript and deep knowledge of ES6+ patterns and React internals ... Strong front-end engineering fundamentals: semantic HTML, modern CSS, responsive design, and ...

Anagh Technologies, Inc.

Sr React Developer

San Francisco, CA · On-site

$70.75 - $91.50/hr

Sr. React JS Developer 100 % Remote (Need to work as per PST Timings Only ) UI Developer ( React ... Strong/Expert level proficiency in JavaScript/ HTML5, CSS with knowledge of internals with minimum ...

Anagh Technologies, Inc.

React Developer

Sunnyvale, CA · On-site

$124K - $144K/yr

The perfect candidate will possess expert-level knowledge in ReactJS, along with a comprehensive ... The Software Engineer position will be responsible for hands-on development as well as lead the ...

Clera

AI Engineer (Mid-Level)

San Francisco, CA · On-site

About the Role This is a mid-level AI Engineer role on the core product team, focused on building ... Python plus TypeScript/React (or equivalent), and experience with cloud platforms (AWS or GCP) and ...

Clera

AI Engineer (Mid-Level)

San Francisco, CA · On-site

About the Role This is a mid-level AI Engineer role on the core product team, focused on building ... Python plus TypeScript/React (or equivalent), and experience with cloud platforms (AWS or GCP) and ...

Clera

Product Engineer (Mid-Level)

San Francisco, CA · On-site

$150K - $300K/yr

TypeScript and React/Next.js on the frontend; Python or Node.js on the backend. * Experience with ... DevOps. * Ability to design and implement end-to-end features including API design, data models ...

Clera

Product Engineer (Mid-Level)

San Francisco, CA · On-site

$150K - $300K/yr

TypeScript and React/Next.js on the frontend; Python or Node.js on the backend. * Experience with ... DevOps. * Ability to design and implement end-to-end features including API design, data models ...

Clera

AI Engineer (Mid-Level)

San Francisco, CA · On-site

$180K - $400K/yr

As a mid-level AI Engineer on the core product team, you'll own production LLM-based services end ... Python plus TypeScript/React (or equivalent), cloud platforms (AWS or GCP), and relational or NoSQL ...

Clera

AI Engineer (Mid-Level)

San Francisco, CA · On-site

$180K - $400K/yr

As a mid-level AI Engineer on the core product team, you'll own production LLM-based services end ... Python plus TypeScript/React (or equivalent), cloud platforms (AWS or GCP), and relational or NoSQL ...

NextDeavor Inc.

Mid Level Software Engineer

Irvine, CA · On-site

$100K - $115K/yr

Mid Level Software Engineer Full-time Remote Exclusive confidential search -- details shared with ... and DevOps to design, build, and operate cloud-based services. This is a Remote role. Here's How ...

Stanfield Systems

Java Developer - mid

Folsom, CA · On-site

$50 - $58/hr

Mid-Level Java Developer Experience:3-6 years Start Date:7/15/2026 Type: W2 Employee Location ... Experience with React * Additional back-end experience (e.g., PHP, Python) * Knowledge of health ...

WorkNovas LLC

Full stack(REact/Node)

Sunnyvale, CA · On-site

Senior/Staff Level REACT NODE OR NEST OR NEXT GRaphQL International Tech - Digital Experiences Product page Description: Seeking a well-rounded Senior Engineer with strong Front-end experience and a ...

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All JobsMid Level React Developer JobsMid Level React Developer Jobs in California

Mid Level React Developer information

See California salary details

$39.5K

$127.7K

$156.4K

How much do mid level react developer jobs pay per year?

As of Jul 13, 2026, the average yearly pay for mid level react developer in California is $127,654.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,600.00 and $154,900.00 per year, depending on experience, location, and employer.

What does a Mid Level React Developer do?

A Mid Level React Developer builds and maintains web applications using the React JavaScript library. They are responsible for developing user interfaces, optimizing application performance, and collaborating with designers and back-end developers to deliver seamless user experiences. Mid Level React Developers often write reusable components, manage application state, and ensure code quality through testing and code reviews. They are expected to have a solid understanding of React concepts, JavaScript ES6+, and related tools like Redux, Webpack, or Babel.

What are the key skills and qualifications needed to thrive as a Mid Level React Developer, and why are they important?

To thrive as a Mid Level React Developer, you need strong proficiency in JavaScript, React.js, HTML, and CSS, often supported by a relevant degree or equivalent experience. Familiarity with development tools such as Git, RESTful APIs, and build systems like Webpack or Babel, as well as knowledge of testing frameworks, is typically expected. Effective problem-solving, teamwork, and communication skills help developers collaborate efficiently and adapt to evolving project requirements. These abilities are crucial for building scalable, maintainable applications that meet user needs and business goals.

What are some common challenges faced by mid-level React developers when working on larger projects, and how can they be addressed?

Mid-level React developers often encounter challenges such as managing complex component hierarchies, ensuring consistent state management, and maintaining code readability as projects scale. To address these, developers should familiarize themselves with established patterns like Redux or Context API for state management, adopt reusable component structures, and follow best practices for code organization. Regular code reviews and collaborating closely with senior developers and designers also help ensure code quality and project alignment.
What are the most commonly searched types of React Developer jobs in California? The most popular types of React Developer jobs in California are:
What cities in California are hiring for Mid Level React Developer jobs? Cities in California with the most Mid Level React Developer job openings:
Mid Level React Developer jobs near you
Infographic showing various Mid Level React Developer job openings in California as of July 2026, with employment types broken down into 84% Full Time, 5% Part Time, 2% Temporary, and 9% Contract. Highlights an 82% Physical, 3% Hybrid, and 15% Remote job distribution, with an average salary of $127,654 per year, or $61.4 per hour.
Senior React Developer

Senior React Developer

Lorven Technologies

San Leandro, CA • On-site

$60.25 - $79.75/hr

Full-time

Re-posted 17 days ago

Job description

Our client seeks an Senior React Developer for a 12 Months project in San Leandro, CA . Below is the detailed requirement
Title: Senior React Developer
Location : San Leandro, CA
Duration: 12 Months
Role Overview
We're seeking a Senior React Developer with a strong programming background to lead the design and implementation of high-quality, performant front-end applications. You will shape UI architecture, mentor engineers, and collaborate closely with product, design, and backend teams to deliver resilient, accessible, and scalable user experiences
Job Description:
  • Bachelor's degree preferably in Computer Science, Information technology, Computer Engineering, or related IT discipline or equivalent experience with 12+ Minimum Experience
  • 6-10+ years of professional software development, with 4+ years focused on React.js at scale.
  • Expert-level JavaScript/TypeScript and deep knowledge of ES6+ patterns and React internals. ,
  • Proven experience with Redux, component composition, custom hooks, and performance optimization. ,
  • Strong front-end engineering fundamentals: semantic HTML, modern CSS, responsive design, and accessibility (WCAG/ADA).
  • Hands-on testing experience (unit, integration, E2E) with Jest/RTL/Enzyme; CI integration. ,
  • Proficiency with Git and common workflows; comfort with Agile/Scrum delivery.

Key Responsibilities
  • Lead front-end architecture and develop complex, reusable React components and hooks.
  • Drive state management patterns (e.g., Redux) and ensure predictable data flows in large applications.
  • Integrate REST APIs, handle JSON payloads, and optimize network interactions.
  • Enforce coding standards, conduct code reviews, and improve test coverage with Jest/React Testing Library/Enzyme.
  • Partner with designers to implement responsive, accessible UIs using HTML5, CSS3/SASS, and component libraries (e.g., Material UI/React Bootstrap).
  • Champion performance and accessibility best practices; instrument and debug with modern browser tools.
Collaborate in Agile ceremonies; help define stories, acceptance criteria, and release plans
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About Lorven technologies

Sourced by ZipRecruiter

Lorven Technologies, headquartered in Plainsboro, New Jersey, United States, is a reputable company in the technology industry, specializing in providing effective IT solutions and consulting services. The company's official website, lorventech.com, offers comprehensive insights into its offerings which include but are not limited to software development, IT consulting, project management, and business analysis. Since its inception, Lorven Technologies has been committed to ensuring efficiency and reliability in delivering IT services to its global clientele, establishing itself as a trusted name in the industry.

Industry

It services

Company size

51 - 200 Employees

Headquarters location

Plainsboro, NJ, US

Year founded

2001

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