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Full Stack Engineer Intern Jobs in California (NOW HIRING)

PlusAI

Full Stack Engineer Intern

Santa Clara, CA

$19 - $65/hr

Build the Metrics Visualization Hub (Full-Stack): Design and ship an end-to-end web application ... Solid programming fundamentals (e.g., Python, SQL) and experience designing, building, and ...

PlusAI

Full Stack Engineer Intern

Santa Clara, CA · On-site

$19 - $65/hr

Build the Metrics Visualization Hub (Full-Stack): Design and ship an end-to-end web application ... Solid programming fundamentals (e.g., Python, SQL) and experience designing, building, and ...

Nexusflow.ai, Inc.

Full-Stack Engineer

Palo Alto, CA

Full-Stack Engineer Nexusflow is currently adding Full-Stack Engineers to our team. Our full-stack engineers are responsible for packaging up our technology in models and last-mile quality toolings ...

TIKAJ

We are looking for a Full Stack developer intern who is proficient with Javascript. Your primary focus will be with the development team to design, develop and debug web applications. * HTML5/CSS3 ...

Purple Unicorn

Full-Stack Engineer

San Francisco, CA

$120K - $150K/yr

Purple Unicorn, on behalf of SalesPatriot , is hiring an Full Stack Engineer . Non-negotiable: ALL ROLES ARE ON-SITE IN SAN FRANCISCO. IN ORDER TO BE CONSIDERED YOU MUST BE LOCAL OR WILLING TO MOVE

Purple Unicorn

Full-Stack Engineer

San Francisco, CA · On-site

$120K - $150K/yr

Purple Unicorn, on behalf of SalesPatriot , is hiring an Full Stack Engineer . Non-negotiable: ALL ROLES ARE ON-SITE IN SAN FRANCISCO. IN ORDER TO BE CONSIDERED YOU MUST BE LOCAL OR WILLING TO MOVE

IQUASAR LLC

Full Stack Engineer

San Diego, CA · On-site

Full Stack software engineer Location: San Diego, CA Clearance Level: Secret We are looking for a Full Stack software engineer who can join our team and make an immediate impact through their ...

iQuasar LLC

Full Stack Engineer

San Diego, CA · On-site

Full Stack software engineer Location: San Diego, CA Clearance Level: Secret We are looking for a Full Stack software engineer who can join our team and make an immediate impact through their ...

Erth.AI Inc.

Full Stack Engineer

San Francisco, CA

$120K - $150K/yr

Full Stack Engineer: We are in search of a dynamic Full-Stack Engineer to work as part of our product and backend engineering initiatives within Dot Earth, a thriving incubator. .Erth is presently ...

Erth.AI Inc.

Full Stack Engineer

San Francisco, CA · On-site

$120K - $150K/yr

Full Stack Engineer: We are in search of a dynamic Full-Stack Engineer to work as part of our product and backend engineering initiatives within Dot Earth, a thriving incubator. .Erth is presently ...

CyberCoders

Full-Stack Engineer

Irvine, CA · On-site

$90K - $135K/yr

Full Stack Software Engineer - Irvine, CA (Hybrid) Salary: $90,000-$135,000/year Requirements: 3-6 years of full stack engineering experience, C# .NET, React or Vue.js, SQL, AWS, daily use of AI ...

Krew Research

Full Stack Engineer

San Francisco, CA · On-site

$150K - $250K/yr

We're looking for a (Human) Member of Technical Staff specializing in full-stack engineering. We're seeking sharp engineers who value high-quality code, thrive in collaborative teams, and are excited ...

Krew

Full Stack Engineer

San Francisco, CA · On-site

$150K - $250K/yr

We're looking for a (Human) Member of Technical Staff specializing in full-stack engineering. We're seeking sharp engineers who value high-quality code, thrive in collaborative teams, and are excited ...

Perfict

Full stack Engineer

Dublin, CA · On-site

Perfict is a company seeking a Full Stack Engineer to enhance their software capabilities. The role involves rebuilding legacy systems, developing backend services, and collaborating with peers to ...

Jobsbridge

Full Stack Engineer

Los Angeles, CA

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. - Bachelor's degree in Computer Science or Engineering or equivalent ...

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All JobsFull Stack Engineer Intern JobsFull Stack Engineer Intern Jobs in California

Full Stack Engineer Intern information

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How much do full stack engineer intern jobs pay per hour?

As of Jul 30, 2026, the average hourly pay for full stack engineer intern in California is $27.62, according to ZipRecruiter salary data. Most workers in this role earn between $23.70 and $30.91 per hour, depending on experience, location, and employer.

What types of projects and technologies can I expect to work with as a Full Stack Engineer Intern?

As a Full Stack Engineer Intern, you can expect to work on a variety of projects ranging from building user interfaces with front-end frameworks like React or Angular to developing backend services using technologies such as Node.js, Python, or Java. Interns often assist with integrating APIs, database management, and testing features in both development and production environments. You'll likely collaborate closely with designers, product managers, and other developers, gaining exposure to the complete software development lifecycle. This hands-on experience is designed to help you build practical skills and contribute meaningful code to real applications.

What are Full Stack Engineer Interns?

Full Stack Engineer Interns are students or recent graduates who assist in developing both the front-end and back-end components of web applications. They work under the guidance of experienced engineers to gain hands-on experience with programming languages, frameworks, and tools used throughout the software development lifecycle. Their responsibilities often include writing code, testing applications, fixing bugs, and collaborating with teams to deliver functional software. Through this internship, they develop practical skills and a deeper understanding of how web systems work end-to-end.

What is the difference between Full Stack Engineer Intern vs Software Developer Intern?

AspectFull Stack Engineer InternSoftware Developer Intern
Required CredentialsTypically pursuing or recently completed a degree in Computer Science or related fieldTypically pursuing or recently completed a degree in Computer Science or related field
Work EnvironmentHands-on experience with both front-end and back-end development in a team settingFocus on coding, debugging, and developing software applications, often in a specific area
Employer & Industry UsageTech companies, startups, and organizations seeking versatile interns with full-stack skills

The Full Stack Engineer Intern role involves working across both front-end and back-end technologies, providing a broad development experience. In contrast, a Software Developer Intern may focus more narrowly on specific software components or applications. Both roles are valuable for gaining industry experience, but the Full Stack Engineer Intern position offers a more comprehensive view of the entire development process.

What are the key skills and qualifications needed to thrive as a Full Stack Engineer Intern, and why are they important?

To thrive as a Full Stack Engineer Intern, you need a solid understanding of programming languages like JavaScript, HTML, CSS, and at least one backend language, often supported by coursework or relevant project experience. Familiarity with frameworks such as React or Angular, backend systems like Node.js or Django, version control (Git), and basic database management is typically expected. Strong problem-solving skills, eagerness to learn, and effective communication help interns stand out in fast-paced development teams. These skills and qualities are essential for contributing to real-world projects, collaborating effectively, and accelerating professional growth in a technical environment.
What are the most commonly searched types of Full Stack Engineer jobs in California? The most popular types of Full Stack Engineer jobs in California are:
What are popular job titles related to Full Stack Engineer Intern jobs in California? For Full Stack Engineer Intern jobs in California, the most frequently searched job titles are:
What job categories do people searching Full Stack Engineer Intern jobs in California look for? The top searched job categories for Full Stack Engineer Intern jobs in California are:
What cities in California are hiring for Full Stack Engineer Intern jobs? Cities in California with the most Full Stack Engineer Intern job openings:
Full Stack Engineer Intern jobs near you
Infographic showing various Full Stack Engineer Intern job openings in California as of July 2026, with employment types broken down into 93% Full Time, 4% Part Time, and 3% Contract. Highlights an 89% Physical, 4% Hybrid, and 7% Remote job distribution, with an average salary of $57,451 per year, or $27.6 per hour.

Full Stack Engineer Intern

PlusAI

Santa Clara, CA

$19 - $65/hr

Other

Retirement

Re-posted 17 days ago

Job description

PlusAI is a Physical AI company pioneering AI-based virtual driver software for factory-built autonomous trucks. Headquartered in Silicon Valley with operations in the United States and Europe, Plus was named by Fast Company as one of the World's Most Innovative Companies. Partners including TRATON GROUP's Scania, MAN, and International brands, Hyundai Motor Company, Iveco Group, Bosch, and DSV are working with Plus to accelerate the deployment of next-generation autonomous trucks. If you're ready to make a huge impact and drive the future of autonomy, Plus is looking for talented individuals to join its fast-growing teams.
Responsibilities:

  • Build the Metrics Visualization Hub (Full-Stack): Design and ship an end-to-end web application - front-end dashboards through back-end services - that makes autonomous-vehicle product metrics, route analytics, and pipeline health easy to explore for engineering and operations teams.

  • Deliver Low-Latency Data Access: Build a caching and pre-aggregation layer to reduce latency in result fetching

  • Optimize the Metrics Calculation Pipeline: Profile, refactor, and scale the back-end pipelines that compute product metrics, operation summaries, and route extractions - improving throughput, controlling cost, and strengthening the correctness of derived measures.

  • Develop the Metrics Validation Process: Build and automate validation tooling that cross-checks pipeline outputs against source-of-truth references, flags discrepancies, and gates bad data before it reaches downstream consumers - turning manual triage into a repeatable, alert-driven workflow.

Required Skills:

  • Full-Stack Web Development: Strong proficiency building modern web applications end-to-end - front-end frameworks (e.g., React/TypeScript) and back-end services/APIs (e.g., Python/FastAPI) - with an eye for clean, responsive, data-rich interfaces.

  • Backend & Data Pipeline Development: Solid programming fundamentals (e.g., Python, SQL) and experience designing, building, and maintaining data processing pipelines and the services.

  • Performance & Scalability: Ability to analyze code, system architecture, and data pipelines to improve execution speed and resource efficiency, including caching and pre-aggregation strategies for low-latency data access.

Preferred Skills:

  • Working with Large Datasets: Experience handling and processing high volumes of structured and time-series data, with strong SQL skills and familiarity with relational and/or columnar databases.

  • Big Data Processing: Hands-on experience with distributed processing frameworks such as PySpark for large-scale data pipelines.

  • Domain Exposure: Familiarity with autonomous vehicles, robotics, or other sensor/telemetry-heavy data environments.

$19 - $65 an hour
Our internship hourly rates are a standard pay determined based on the position and your location, year in school, degree, and experience.
Your opportunities joining PlusAI
Work, learn and grow in a highly future-oriented, innovative and dynamic field.
Wide range of opportunities for personal and professional development.
Catered free lunch, unlimited snacks and beverages.
Highly competitive salary and benefits package, including 401(k) plan.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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