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Full Stack Software Engineer Intern Jobs in Castro Valley, CA

Scout AI

Full Stack Software Engineer

Sunnyvale, CA

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 ...

Scout AI

Full Stack Software Engineer

Sunnyvale, CA · On-site

$120K - $170K/yr

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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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 Sep 12, 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 job categories do people searching Full Stack Software Engineer Intern jobs in Castro Valley, CA look for?

The top searched job categories for Full Stack Software Engineer Intern jobs in Castro Valley, CA are:

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 84% Full Time, 12% Part Time, and 4% Contract. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $155,515 per year, or $74.8 per hour.

Full Stack Software Engineer , UCTalent

San Francisco, CA • On-site

UCTalent
See more jobs at UCTalentexternal

Other

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

The Company is seeking an innovative Full-Stack Software Engineer to join our team. You will develop, deploy, and maintain user-facing applications, back-end APIs, databases, and cloud deployment infrastructure. As part of our dynamic startup environment, you will have opportunities to own features and shape our user experience and technical architecture. You'll collaborate within our team of software engineers, power systems experts, data scientists, and designers to deliver a powerful and performant SaaS platform. This is a critical early hire with a significant amount of responsibility and corresponding competitive (location-adjusted) salary and equity compensation. Generalist full-stack responsibilities, including data infrastructure, data pipelines, AI agent features; slot into ongoing priorities like data infra(current), pipelines (near-term), AI features (end of Q1); own larger feature sets within 3 months, organize epics/sub-stories, lead fixes; engineering-led culture with hands‑on product vision from founders.

Responsibilities
  • Develop and maintain end‑to‑end features across interactive frontends, backend APIs, data pipelines, and AI agents
  • Lead workstreams end‑to‑end, including gathering product requirements, proposing solution architectures, developing an implementation plan, managing technical dependencies, and coordinating rollout plans
  • Collaborate directly with users and customer‑facing teammates to gather feedback and understand their needs, translating insights into design solutions
  • Build and maintain data‑rich, interactive frontend applications
  • Scale our backend APIs, systems, and data pipelines to support more use cases, while ensuring maintainability and paying down technical debt
  • Uphold the technical bar as you build, ensuring our platform is performant, scalable, and secure
  • Provide hands‑on mentorship and feedback for teammates
  • Write clean, maintainable code following best practices
  • Participate in and lead design discussions, code reviews, and technical planning meetings
  • Contribute to improving software engineering practices, with a bias toward action, ensuring fast iterations and delivery of impactful solutions
Minimum Qualifications
  • 4+ years of software engineering industry experience delivering high‑quality software for enterprise customers
  • Strong proficiency with Python
  • Experience with TypeScript (strong fundamentals)
  • Experience with SQL databases
Preferred Requirement
  • Data visualization
  • Svelte/GraphQL, LLM agents, Postgres, workflow orchestration
  • GIS/mapping (e.g., vector tiles, Mapbox APIs)
  • Ability to pick up Svelte quickly
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