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Mid Level React Developer Jobs in California (NOW HIRING)

Stanfield Systems

Mid level ETL Developer

Folsom, CA

$50 - $60/hr

Mid. Level ETL Developer Start Date: 7/15/2026 TechnicalSkill Set: ETL, PostgreSQL, Data Quality, SQL, Python, Healthcare Data, Azure Data Studio, VS Code, Data Integration, Data Warehousing. TBE ID ...

W3Global Inc.

Mid Level Interior Designer

San Jose, CA

$70K - $90K/yr

We work on exciting developer, corporate, and high-technology projects in Silicon Valley and we ... Role Overview We're looking for a talented mid-level Interior Designer-Mid Level This is a great ...

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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 Sep 14, 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?

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 August 2026, with employment types broken down into 1% As Needed, 72% Full Time, 18% Part Time, and 9% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $127,654 per year, or $61.4 per hour.

Mid-Level DevSecOps Engineer

San Diego, CA

Avenue Technologies Company
See more jobs at Avenue Technologies Companyexternal

Full-time

Re-posted 14 days ago

Job description

Avenue Technologies is seeking a Mid-Level DevSecOps Engineer to support a major U.S. defense contractor.

What You'll Do

GPNTS is the Navy’s next-generation, real?time GPS-based data fusion and distribution system for surface platforms

It integrates inputs from multiple navigation sensors to produce a dependable and accurate blended navigation solution for Fleet operators

In this role, you will contribute to the development and sustainment of mission-critical software that delivers reliable PNT data to U.S

Navy surface ships

What are the main functions of this role? This position requires onsite work and active engagement in cross?discipline collaboration while supporting Agile software development cycles, DevSecOps practices, and CI/CD-driven inte...

Develop, debug, and enhance software features for GPNTS tactical and support systemso

Participate in software design, including interface definitions and architectural discussionso

Required Qualifications

See original requisition notes for full required qualifications.

Clearance Requirements

Unclassified

Work Location

San Diego, CA

About Avenue Technologies

Avenue Technologies & Commodities Inc. (ATCI) provides engineering, technical, and professional services supporting mission-critical defense, aerospace, and government programs. Our employees work alongside industry-leading teams to deliver solutions that strengthen national security and operational readiness.