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Full Stack Software Engineer Intern Jobs in Castro Valley, CA

Tacit

Full-Stack Software Engineer

San Francisco, CA · On-site

$125K - $180K/yr

While we can't reveal too much just yet, our team is tackling cutting-edge engineering challenges to bring revolutionary products to life. About the role We are looking for a full-stack software ...

Scout AI

Full Stack Software Engineer

Sunnyvale, CA · On-site

The Role We're looking for a Full-Stack Software Generalist who enjoys working across the entire ... Help shape engineering culture, processes, and technical standards Qualifications * 2-5 years of ...

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Showing results 21-40

All JobsFull Stack Software Engineer Intern JobsFull Stack Software Engineer Intern Jobs in Castro Valley, CA

Full Stack Software Engineer Intern information

See Castro Valley, CA salary details

$51.4K

$155.5K

$219.8K

How much do full stack software engineer intern jobs pay per year?

As of Aug 7, 2026, the average yearly pay for full stack software engineer intern in Castro Valley, CA is $155,515.00, according to ZipRecruiter salary data. Most workers in this role earn between $128,100.00 and $182,300.00 per year, depending on experience, location, and employer.

What does a full stack software engineer intern do?

A Full Stack Software Engineer Intern assists with the development of both the front-end and back-end components of web applications. They work under the guidance of experienced engineers to write code, debug issues, and help integrate different technologies across the software stack. Typical tasks include building user interfaces, connecting to databases, and testing new features. This role helps interns gain hands-on experience with various programming languages, frameworks, and tools commonly used in software development.

What are the key skills and qualifications needed to thrive as a full stack software engineer intern?

To thrive as a Full Stack Software Engineer Intern, you need a solid understanding of programming languages (such as JavaScript, Python, or Java), basic web development concepts, and enrollment in a relevant degree program like computer science. Familiarity with frameworks (like React or Node.js), version control systems (such as Git), and cloud platforms are often expected. Strong problem-solving abilities, eagerness to learn, and effective teamwork set standout interns apart. These skills and qualities enable interns to contribute meaningfully to projects, adapt quickly to new technologies, and collaborate efficiently in dynamic development environments.

What types of projects and technologies do full stack software engineer interns typically work on during their internship?

Full Stack Software Engineer Interns often work on a variety of projects that span both front-end and back-end development. This may include building user interfaces with frameworks like React or Angular, developing APIs using Node.js or Python, and working with databases such as MongoDB or PostgreSQL. Interns usually collaborate closely with senior engineers, designers, and product managers, gaining exposure to the full software development lifecycle. The work environment tends to be fast-paced and collaborative, offering valuable opportunities to learn modern development practices and tools.

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

AspectFull Stack Software Engineer InternSoftware Developer Intern
Required SkillsKnowledge of both front-end and back-end technologies, basic understanding of databasesFocus on specific programming languages or platforms, such as Java, Python, or mobile development
Work EnvironmentCollaborates on full application development, often in agile teamsWorks on specific modules or features, may focus on front-end or back-end
Industry UsageCommon in tech companies, startups, and software firmsWidely used across various tech sectors, including web and mobile app development

In summary, a Full Stack Software Engineer Intern has a broader scope, working on both front-end and back-end development, while a Software Developer Intern may focus on a specific area. Both roles provide valuable experience in software development but differ in technical breadth and project involvement.

What cities near Castro Valley, CA are hiring for Full Stack Software Engineer Intern jobs? Cities near Castro Valley, CA with the most Full Stack Software Engineer Intern job openings:
Full Stack Software Engineer Intern jobs near you
Infographic showing various Full Stack Software Engineer Intern job openings in Castro Valley, CA as of August 2026, with employment types broken down into 88% Full Time, 8% Part Time, and 4% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $155,515 per year, or $74.8 per hour.

Full-Stack Software Engineer

Satori Digital

San Francisco, CA • On-site

Full-time

Re-posted 10 days ago

Job description

We're looking for a product minded Full Stack Software Engineer who thrives at the intersection of product, engineering, and experimentation. We're a small talented team still in the early days of building, and your contributions will go beyond just code. You'll have the opportunity to actively shape technical solutions, influence product direction, and contribute meaningfully to all aspects of our engineering culture.
In this role, you'll collaborate closely with forward-deployed engineers as they support complex customer deployments, all while developing the scalable and robust foundational product which makes their work possible. You're perfect for this role if you appreciate an elegant balance between UX excellence and infrastructural scalability.
What You'll Do:
  • Collaborate with our forward deploy team to understand how customers interact with Automat's platform today, and use those learnings to bolster our flagship workflow management product.
  • Build interfaces that use cutting-edge computer use models in real world applications.
  • Develop beautiful and intuitive UX interfaces which abstract away complex business automation processes and create a seamless experience for non-technical users and engineers alike
  • Influence our engineering practices, shape product direction, and contribute to building a world class company culture.

Requirements
  • 3 - 10 years of experience either as one of three profiles: a) joined early and seen scale over 3-5+ years, b) founding engineer at multiple places, or c) 5+ years at a FAANG
  • Tech stack - Javascript/Typescript, Next.js, React, PostgreSQL, SvelteKit, Supabase, Verce

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