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Intern Mern Stack Developer Jobs in California (NOW HIRING)

Etched

DV Intern

San Jose, CA · On-site

Backed by hundreds of millions from top-tier investors and staffed by leading engineers, Etched is ... stack. We are looking for Fall '26, Spring '27, and Summer '27 interns. You may be a good fit if ...

Etched

DV Intern

San Jose, CA · On-site

Backed by hundreds of millions from top-tier investors and staffed by leading engineers, Etched is ... stack. We are looking for Fall '26, Spring '27, and Summer '27 interns. You may be a good fit if ...

Apply Early

Gumloop

Design Engineer Intern

San Francisco, CA · On-site

Role Overview We're looking for a Product Design Engineering Intern to help shape, design, and ... Interest in developer tools, technical products, or AI-native products. * Any full-stack exposure ...

Alljoined

Research Intern (Fall)

San Francisco, CA · On-site

$30/hr

Strong programming skills in Python with ability to quickly learn new frameworks * Solid ... Full-Stack Familiarity: Experience with web development (React, SQL) is a plus but not required ...

Joby Aviation

Software Engineering Intern

San Carlos, CA · On-site

$5.5K - $7.8K/mo

As a Software Engineering Intern at Joby, you will work alongside a small team of full-stack and data engineers to ship user-facing features in tools used daily across the company. Stakeholders range ...

Joby Aviation

Software Engineering Intern

San Carlos, CA

$5.5K - $7.8K/mo

As a Software Engineering Intern at Joby, you will work alongside a small team of full-stack and data engineers to ship user-facing features in tools used daily across the company. Stakeholders range ...

Joby Aviation

Software Engineering Intern

San Carlos, CA

$5.5K - $7.8K/mo

As a Software Engineering Intern at Joby, you will work alongside a small team of full-stack and data engineers to ship user-facing features in tools used daily across the company. Stakeholders range ...

Instawork

Product Operations Intern

San Francisco, CA

$30 - $44/hr

Work across product, engineering, and marketing to ideate and prioritize growth experiments. * Work ... Work across our tech stack and adapt to new technologies, leading with an "Always Be Learning ...

Moon

Software Engineering Intern, Frontend

Glendale, CA · On-site

$25 - $35/hr

... Frontend Engineering Intern, you'll build the interfaces those users depend on. This is not a ... The tech stack is iPad-first. Capacitor and Ionic are highly desired context - they're the runtime ...

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Showing results 1-20

All JobsIntern Mern Stack Developer JobsIntern Mern Stack Developer Jobs in California

Intern Mern Stack Developer information

What is the difference between Intern Mern Stack Developer vs Junior Mern Stack Developer?

AspectIntern Mern Stack DeveloperJunior Mern Stack Developer
Experience LevelEntry-level, internshipEntry to early professional experience
ResponsibilitiesAssisting in development tasks, learning, supporting senior developersDeveloping features, fixing bugs, contributing to projects
Skills & CertificationsBasic knowledge of MERN stack, learning mindsetProficiency in MongoDB, Express.js, React, Node.js, some certifications
Work EnvironmentInternship programs, training-focusedFull or part-time roles in tech teams

The main difference between an Intern Mern Stack Developer and a Junior Mern Stack Developer lies in experience and responsibilities. Interns are typically students or beginners gaining hands-on experience, while Junior developers have some practical skills and contribute more independently. Intern roles focus on learning and support, whereas Junior roles involve active development and problem-solving.

What are Intern MERN Stack Developers?

Intern MERN Stack Developers are entry-level programmers who assist in building web applications using the MERN stack, which stands for MongoDB, Express.js, React.js, and Node.js. As interns, they work under the guidance of senior developers to gain hands-on experience in designing, developing, and deploying full-stack web applications. Their responsibilities typically include writing code, fixing bugs, collaborating with teams, and learning best practices in software development. This role is ideal for those looking to start a career in web development and gain practical experience with modern JavaScript technologies.

What types of projects and tasks can I expect to work on as an Intern MERN Stack Developer?

As an Intern MERN Stack Developer, you will typically participate in projects that involve building and maintaining web applications using MongoDB, Express.js, React, and Node.js. Your daily tasks may include writing and testing code, fixing bugs, developing new features under the guidance of senior developers, and contributing to team meetings. You'll likely collaborate with designers, backend engineers, and QA testers, gaining exposure to the full software development lifecycle. This hands-on experience is valuable for building your technical skills and understanding industry-standard development workflows.

What are the key skills and qualifications needed to thrive as an Intern MERN Stack Developer, and why are they important?

To thrive as an Intern MERN Stack Developer, you need a solid understanding of JavaScript, HTML, CSS, and the core components of the MERN stack: MongoDB, Express.js, React.js, and Node.js, often supported by relevant coursework or self-led projects. Familiarity with version control systems like Git, basic RESTful API development, and optionally cloud platforms or CI/CD tools is valuable. Strong problem-solving skills, eagerness to learn, and effective communication help you collaborate with teams and adapt to new tasks quickly. These skills are crucial for contributing to real-world projects, resolving development challenges, and growing into a proficient full-stack developer.
What are the most commonly searched types of Mern Stack Developer jobs in California? The most popular types of Mern Stack Developer jobs in California are:
What are popular job titles related to Intern Mern Stack Developer jobs in California? For Intern Mern Stack Developer jobs in California, the most frequently searched job titles are:
What job categories do people searching Intern Mern Stack Developer jobs in California look for? The top searched job categories for Intern Mern Stack Developer jobs in California are:
What cities in California are hiring for Intern Mern Stack Developer jobs? Cities in California with the most Intern Mern Stack Developer job openings:
Intern Mern Stack Developer jobs near you
Infographic showing various Intern Mern Stack Developer job openings in California as of July 2026, with employment types broken down into 100% Full Time. Highlights an 68% In-person, and 32% Remote job distribution.
Software Engineer Intern - Air Taxi

Software Engineer Intern - Air Taxi

Joby Aviation

San Carlos, CA • On-site

$5.5K - $7.8K/mo

Internship

Posted 21 days ago

Job description

Imagine a piloted air taxi that takes off vertically, then quietly carries you and your fellow passengers over the congested city streets below, enabling you to spend more time with the people and places that matter most. At Joby, we've been working to make that dream a reality since 2009 and we're now in the final stages of certifying our aircraft with the FAA. With plans to launch our aircraft in the US and Dubai, we're now scaling manufacturing and preparing for the launch of our commercial service.


Join the Air Taxi Systems team at Joby Aviation as a Software Engineer Intern, where you will directly contribute to building the software that brings quiet, emissions-free flight to the world. In this role, you will assist in developing features across our full technology stack, including backend services, data pipelines, and implementing AI-driven features. You will collaborate closely with product managers, designers, and operations teams to deliver scalable software solutions from ideation to release.


Assist in the development and implementation of features across various parts of the full-stack system, including backend services and internal tools.

Collaborate with cross-functional teams (Product, Design, Flight Ops) to contribute to defining requirements and delivering mobile solutions.

Assist in designing and implementing data flows for seamless app functionality.

Contribute to client/server interactions and occasionally assist with backend APIs.

Contribute to the implementation and integration of AI/ML models into operational software and data pipelines.

Participate in team software processes such as requirement and test plan generation, design doc creation, code reviews and deployments.


Currently pursuing a BS/MS in Computer Science or a related technical field

Basic knowledge of a common modern language (e.g., Python, Go, Java).

Familiarity with foundational concepts in data structures, algorithms, and software engineering.

Familiarity with system design concepts, including client/server interactions.


Experience with a backend language (e.g., Java, Go, Python).

Previous experience in aviation, transportation logistics, or regulated industries.

Experience in high-growth, startup-like environments.

Basic exposure to or coursework in machine learning, data science, or AI applications.


Relocation Assistance: This position does not offer relocation assistance. Candidates must live in the immediate area or relocate at their own expense.
The pay range for undergraduate interns, which includes freshman to senior level students, is $22-$31/hr. The pay range for graduate interns with a Bachelor, Master, and/or Ph.D. degree is $5,550-$7,800/month. Individual pay is determined by internship role, department, experience, job-related skills, and level of education.

Joby is an Equal Opportunity Employer

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