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Intern React Js Jobs in California (NOW HIRING)

Gumloop

Design Engineer Intern

San Francisco, CA · On-site

Hands-on experience with TypeScript, React, and modern frontend development, through coursework ... Experience with Tailwind CSS, Next.js, TanStack Query, or similar modern frontend tooling.

Virtusa Corporation

Intern

Fremont, CA · On-site

$16.50 - $22/hr

NodeJS, React Native, Angular JS, MongoDB, MySQL, Postgres, Docker, Kubernetes, SQL, Java. Are excited about using latest opensource software & frameworks, methodologies & tools. Not afraid to ...

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Intern React Js information

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$176.3K

How much do intern react js jobs pay per year?

As of Sep 7, 2026, the average yearly pay for intern react js in California is $111,237.00, according to ZipRecruiter salary data. Most workers in this role earn between $85,192.00 and $141,498.00 per year, depending on experience, location, and employer.

What is an intern React JS?

An Intern React Js job involves assisting in the development of web applications using React.js, a popular JavaScript library. Responsibilities typically include writing and debugging code, collaborating with developers, and learning front-end development best practices. Interns often work on real-world projects under supervision to gain hands-on experience. This role helps build skills in React, JavaScript, and related technologies, preparing candidates for a full-time role in web development.

What kind of tasks and responsibilities can I expect as a React JS intern?

As a React JS intern, you will typically assist in building and maintaining web interfaces, debugging code, and implementing user interface features using React.js and related technologies. You may also participate in code reviews, attend team meetings, and collaborate closely with senior developers to learn best practices in frontend development. Interns are often given the opportunity to work on real-world projects, which helps build technical and teamwork skills. This hands-on experience is designed to enhance your understanding of modern web development workflows and prepare you for a full-time role.

What are the key skills and qualifications needed to thrive as an intern React JS, and why are they important?

To thrive as an Intern React Js, you need a solid understanding of JavaScript, HTML, CSS, and foundational knowledge of React.js concepts. Familiarity with development tools such as Git, code editors (like VS Code), and RESTful APIs is highly beneficial. Strong problem-solving skills, willingness to learn, and effective collaboration are key soft skills in this position. These abilities ensure interns can quickly adapt, contribute to projects, and grow within a dynamic web development environment.

What are the most commonly searched types of React Js jobs in California?

The most popular types of React Js jobs in California are:

What are popular job titles related to Intern React Js jobs in California?

For Intern React Js jobs in California, the most frequently searched job titles are:

What job categories do people searching Intern React Js jobs in California look for?

The top searched job categories for Intern React Js jobs in California are:

What cities in California are hiring for Intern React Js jobs?

Cities in California with the most Intern React Js job openings:

Intern React Js jobs near you
Infographic showing various Intern React Js job openings in California as of August 2026, with employment types broken down into 13% Internship, 1% As Needed, 62% Full Time, 21% Part Time, 1% Temporary, and 2% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $111,237 per year, or $53.5 per hour.

Design Engineer Intern

Gumloop

San Francisco, CA • On-site

Full-time

Retirement, PTO

Re-posted 7 days ago

Job description

About Us
Gumloop is the piece of AI infrastructure companies roll out to let everyone build agents securely. Let people who understand the problem build and share agents, manage their access to data, choose your AI models and host it all in your own cloud.
We're a small team building as fast as humanly possible. Gusto, Ramp, Shopify, Samsara, Instacart, and Opendoor are running agents on Gumloop across their company. We've raised over $70M from Benchmark, First Round Capital, Y Combinator, Nexus Ventures to scale and are looking for people who care as much as we do to join the team.
Here's what life at Gumloop is like:
  • Our beliefs - The Handbook
  • Our adventures - Wall of Photos
  • What we're working on - Changelog

Role Overview
We're looking for a Design Engineering Intern to help shape, design, and build high-craft product experiences end to end.
This role sits at the intersection of product, design, and engineering. You'll contribute to key user-facing surfaces from early concept through final implementation, developing your product judgment, interaction design instincts, and frontend skills while working on problems that matter.
The ideal candidate is curious, high-ownership, and comfortable operating with some ambiguity. You don't need to have done this before at scale, but you should be able to take a product problem, reason through the UX, and start building. You'll also contribute to our design system and help establish reusable patterns that make the product better over time.
This is a high-impact internship for someone who wants real influence over what we build, how it works, and how it feels. You won't be doing busywork.
What You'll Do
  • Design and build polished, user-facing product experiences across core surfaces of the product.
  • Contribute to features end to end, from UX exploration through implementation and iteration, with guidance from the team.
  • Use layout, interaction design, and motion to make powerful workflows feel intuitive and fast.
  • Contribute to our design system, component library, and frontend patterns.
  • Work closely with product, design, and engineering to turn ambiguous ideas into simple, high-quality experiences.
  • Bring care and craft to the details: accessibility, performance, reliability, and edge cases.
What You Bring
  • Currently in your final year of study in design, computer science, or a related field.
  • Hands-on experience with TypeScript, React, and modern frontend development, through coursework, personal projects, or prior internships.
  • Some exposure to design systems, component libraries, or reusable frontend patterns.
  • Strong product intuition and an ability to make thoughtful UX decisions, even with limited guidance.
  • A portfolio or work samples that demonstrate both design sensibility and frontend execution.
  • Care for craft beyond the obvious: you sweat the details others miss.
Bonus Points
  • Experience with Tailwind CSS, Next.js, TanStack Query, or similar modern frontend tooling.
  • Familiarity with Figma or other design tools for exploring and communicating ideas.
  • Interest in developer tools, technical products, or AI-native products.
  • Any full-stack exposure, especially enough backend fluency to unblock your own product work.
Benefits
  • Highly competitive salary and meaningful equity
  • Generous paid time off: 24 days for SF employees and 20 days globally, use them as you need
  • $350/month wellness benefit to spend on gym, spa, equipment, or whatever keeps you at your best
  • 15 days of temporary remote work flexibility per year
  • 401k match up to 6%

Apply