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Summer React Developer Jobs in California (NOW HIRING)

Pylon Labs

Software Engineer, New Grad

San Francisco, CA · On-site

$150K - $180K/yr

... in Summer 2027. * You have relevant internship experience or side projects building product ... React, Golang, GraphQL, and AWS). Our Perks Commuter benefits Parental leave 14 company holidays ...

Radiant Industries

Supply Reliability Engineer

El Segundo, CA · On-site

$133K - $190K/yr

... summer, with initial customer deliveries beginning in 2028. The Role We are looking for a Supply Reliability Engineer who builds supplier programs that prevent problems rather than react to them. You ...

Decisive Point

Supply Reliability Engineer

El Segundo, CA · On-site

$90 - $120/hr

... summer, with initial customer deliveries beginning in 2028. The Role We are looking for a Supply Reliability Engineer who builds supplier programs that prevent problems rather than react to them. You ...

Radiant

Supply Reliability Engineer

El Segundo, CA · On-site

$133K - $190K/yr

... summer, with initial customer deliveries beginning in 2028. The Role We are looking for a Supply Reliability Engineer who builds supplier programs that prevent problems rather than react to them. You ...

Bah

University - Software Engineer

El Segundo, CA · On-site

$53K - $108K/yr

As a Software Developer on our team, you can solve a problem with a complete end-to-end solution in ... Scheduled to obtain a Bachelor's degree by Winter 2026 or Spring or Summer 2027 Nice If You Have:

Bah

University - Software Engineer

San Diego, CA · On-site

$53K - $108K/yr

As a Software Developer on our team, you can solve a problem with a complete end-to-end solution in ... Scheduled to obtain a Bachelor's degree by Winter 2026 or Spring or Summer 2027 Nice If You Have:

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Showing results 21-40

All JobsSummer React Developer JobsSummer React Developer Jobs in California

Summer React Developer information

See California salary details

$39.5K

$127.7K

$156.4K

How much do summer react developer jobs pay per year?

As of Aug 12, 2026, the average yearly pay for summer 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 do Summer React Developers do?

As a Summer React Developer, you can expect to work on real-world web applications, which may involve building new features, fixing bugs, and improving user interfaces using React.js. Day-to-day tasks often include collaborating with senior developers, participating in code reviews, writing unit tests, and integrating APIs. You'll likely work as part of an agile development team, gaining hands-on experience with modern workflows and best practices. This role provides a great learning environment and the chance to make meaningful contributions, setting a strong foundation for a future career in front-end development.

What is a Summer React Developer?

A Summer React Developer job is a seasonal position where developers use React.js to build and enhance web applications. These roles are typically offered as internships or short-term contracts by companies looking to develop or maintain front-end projects. Responsibilities often include writing and testing React components, integrating APIs, and collaborating with other developers and designers. This job provides hands-on experience with modern web development, making it ideal for students or early-career developers looking to gain industry experience.

What skills and qualifications are needed to be a Summer React Developer?

To excel as a Summer React Developer, you need strong skills in JavaScript, React.js, HTML, and CSS, often supported by coursework or hands-on experience in web development. Familiarity with tools like Git, npm, modern IDEs, and possibly exposure to frameworks such as Redux or TypeScript is valuable. Strong problem-solving abilities, attention to detail, teamwork, and effective communication are important soft skills in this role. These competencies ensure you can quickly learn, contribute to team projects, and deliver user-friendly web applications within a limited time frame.

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 are popular job titles related to Summer React Developer jobs in California? For Summer React Developer jobs in California, the most frequently searched job titles are:
What job categories do people searching Summer React Developer jobs in California look for? The top searched job categories for Summer React Developer jobs in California are:
What cities in California are hiring for Summer React Developer jobs? Cities in California with the most Summer React Developer job openings:
Summer React Developer jobs near you
Infographic showing various Summer React Developer job openings in California as of August 2026, with employment types broken down into 1% Internship, 41% Full Time, 49% Part Time, 2% Temporary, 6% Contract, and 1% Summer. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $127,654 per year, or $61.4 per hour.

Senior Front-End Software Engineer (Development and Support of LIMS)

Codexis Inc

Redwood City, CA

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 12 days ago

Job description

Description
Codexis, a biotechnology company based in Redwood City, CA, is looking to hire a Senior Front-End Software Engineer with Development and Support of LIMS experience.
 
Codexis is a leading enzyme engineering company leveraging its proprietary CodeEvolver® technology platform to discover, develop and enhance novel, high-performance enzymes and other classes of proteins. Codexis enzymes solve for real-world challenges associated with small molecule pharmaceuticals manufacturing and nucleic acid synthesis. The Company is currently developing its proprietary ECO Synthesis™ platform to enable the scaled manufacture of RNAi therapeutics through an enzymatic route. Codexis enzymes can drive improvements, such as higher yields, reduced energy usage and waste generation, improve efficiency in manufacturing and greater sensitivity in genomic and diagnostic applications.  
To meet the goals we’ve set for ourselves, we look for individuals who are driven, eager to grow and ready to embrace meaningful challenges. We empower employees to be authentic, ambitious, agile and have the courage to take action where they can make a positive impact. 
Come join us on this journey to transform the enzyme engineering landscape for the betterment of human health.
About the Opportunity:

The Senior Front-End Software Engineer will play a critical role in advancing Codexis’ software capabilities by collaborating closely with scientists to translate their needs into engaging visual solutions. This role will be based in Redwood City, CA.
If any of the below describes you, we would love to meet you!
  • Adaptable, highly accountable, and able to prioritize effectively.
  • Excellent communication, interpersonal, and organizational skills.
  • Critical thinker, with an emphasis on problem-solving.
  • Strong team player with the ability to oversee software development through a complete lifecycle.

In this role you will be responsible for:
  • Collaborating closely with scientists to gather and implement software requirements across various stages of development.
  • Working directly with end-users to install, train, and support both internal and third-party software solutions.
  • Translating innovative ideas into dynamic and functional visual software applications.
  • Utilizing a diverse set of programming skills, applications, and platforms to enhance the capabilities of Codexis CodeEvolver® technology.

The essential requirements of the job include:
  • B.S. in Computer Science or a related field with at least 8 years of relevant experience, or 6 years with a Master’s degree.
  • A background in biology/BioTech/Life Sciences is a critical requirement 
  • Development and support of a laboratory Information Management System (LIMS)
  • Experience training on developing a UI with React 
  • Strong programming skills, particularly in front-end web applications using industry standards such as React, HTML, CSS, JavaScript, NodeJS, Jotai, MUI, and others.
  • Proven experience in web-based user interface development, including single-page applications (SPAs) and progressive web apps.
  • Familiarity with web application development, including REST APIs and security protocols.
  • Understanding of Agile development methodologies.
  • Knowledge of Java and experience in ensuring complete software development cycles.
Additional experience that would be valuable for this role includes:
  • An understanding of machine learning concepts such as Neural Networks and Bayesian Models.
  • Experience in developing supervised and unsupervised learning algorithms.
  • Familiarity with SQL databases, including Oracle, PostgreSQL, and Cassandra.
  • Experience in effectively communicating with scientists.
CODEXIS PAY TRANSPARENCY: The anticipated salary range for candidates who will work in Redwood City is $125,000 to $155,250. The final salary offered to a successful candidate will be dependent on several factors that may include but are not limited to the type and length of experience within the job, type and length of experience within the industry, education, etc. Codexis is a multi-state employer, and this salary range may not reflect positions that work in other states​.

What can Codexis offer you?
  • Medical, Dental and Vision Insurance 
  • Basic Life, AD&D, Short- and Long-Term Disability Insurance 
  • 401k with Company Match up to 4% 
  • Company Equity 
  • Generous Paid Time Off including 18 Company Holidays (with a summer and winter shutdown), Vacation, and Wellness Time 
  • Annual Lifestyle Account for reimbursement of fitness programs, equipment and more 
  • Employee Stock Purchase Program (ESPP) 
  • Flexible Spending Accounts (Commuter/Parking, Dependent Care & Healthcare)
  • Student Debt Program (Company Contribution to Loans)
  • Mental Health Wellness Program
  • Subsidized onsite lunch program
  • Onsite Gym Facilities
  • Paid Parental Leave
  • And More!