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Internship Software Engineering Jobs in California

Joby Aviation

Software Engineering Intern

San Carlos, CA · On-site

$5.5K - $7.8K/mo

Expect an internship that resembles a job you would have after graduating. Responsibilities * Build ... Software Engineering, Aerospace Engineering, or a related technical field. * Hands-on experience ...

Joby Aviation

Software Engineering Intern

San Carlos, CA

$5.5K - $7.8K/mo

Expect an internship that resembles a job you would have after graduating. Responsibilities * Build ... Software Engineering, Aerospace Engineering, or a related technical field. * Hands-on experience ...

Clerkie

Software Engineer Internship

San Francisco, CA · On-site +1

$80/hr

A note before you apply We're hiring Software Engineering Interns! This is a full-time salaried 12 month internship where you'll work closely with our Engineering, Product, and Design teams to build ...

Instead

Software Engineering Intern

San Francisco, CA · On-site

The Role We're looking for Software Engineering Interns to join our San Francisco team and build real features on our AI-powered tax platform. This is not a coffee-fetching internship. You'll ship ...

Compal USA

Software Engineering Lead

Goleta, CA · On-site

The Software Engineering Lead will be responsible for all aspects of software engineering ... Mentor young engineers and engineering interns. DESIRED QUALIFICATIONS: * Minimum 15+ years ...

Compal

Software Engineering Lead

Goleta, CA · On-site

The Software Engineering Lead will be responsible for all aspects of software engineering ... Mentor young engineers and engineering interns. DESIRED QUALIFICATIONS: * Minimum 15+ years ...

Compal

Software Engineering Lead

Goleta, CA · Hybrid

The Software Engineering Lead will be responsible for all aspects of software engineering ... Mentor young engineers and engineering interns. DESIRED QUALIFICATIONS: * Minimum 15+ years ...

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All JobsInternship Software Engineering JobsInternship Software Engineering Jobs in California

Internship Software Engineering information

What are the key skills and qualifications needed to thrive as an Internship Software Engineer, and why are they important?

To thrive as an Internship Software Engineer, you need a solid understanding of programming fundamentals, problem-solving abilities, and coursework or experience in computer science or related fields. Familiarity with coding languages like Python, Java, or C++, and experience using version control systems such as Git are typically expected. Strong communication, a willingness to learn, and teamwork skills help you adapt to new environments and collaborate effectively. These skills and qualities are crucial for quickly contributing to projects, learning from mentors, and succeeding in a dynamic tech setting.

What is the difference between Internship Software Engineering vs Software Developer?

AspectInternship Software EngineeringSoftware Developer
Required CredentialsTypically pursuing or recently completed a degree in Computer Science or related fieldOften holds a degree or equivalent experience in software development
Work EnvironmentTemporary, learning-focused, often part-time or summer rolesFull-time, ongoing employment in software development teams
Employer & Industry UsageUsed by tech companies, startups, and educational institutions for trainingUsed across industries for building and maintaining software products
Common Search & Comparison IntentUnderstanding entry points and learning opportunities in software engineeringSeeking career progression or job opportunities in software development

Internship Software Engineering positions are designed for students or recent graduates to gain practical experience, often with a focus on learning and skill development. Software Developers are full-time professionals responsible for creating, testing, and maintaining software applications. The internship is temporary and educational, while the developer role is a long-term career position.

What types of projects do Software Engineering Interns typically work on, and how much ownership do they have over their tasks?

Software Engineering Interns often contribute to real-world projects that align with the team's current goals, such as building new features, fixing bugs, or improving existing systems. Interns are usually given a defined scope of work and are encouraged to take ownership of their assigned tasks, while still receiving guidance and mentorship from full-time engineers. This balance provides valuable hands-on experience, exposure to industry-standard tools and workflows, and an opportunity to make meaningful contributions while learning in a supportive environment.

What are internship software engineers?

Internship software engineers are students or recent graduates who work temporarily at a company to gain practical experience in software engineering. They assist with coding, debugging, testing, and collaborating with professional engineers on real-world projects. These internships help participants develop technical skills, understand workplace dynamics, and build their professional network, often serving as a pathway to full-time employment.
What are the most commonly searched types of Software Engineering jobs in California? The most popular types of Software Engineering jobs in California are:
What are popular job titles related to Internship Software Engineering jobs in California? For Internship Software Engineering jobs in California, the most frequently searched job titles are:
What job categories do people searching Internship Software Engineering jobs in California look for? The top searched job categories for Internship Software Engineering jobs in California are:
What cities in California are hiring for Internship Software Engineering jobs? Cities in California with the most Internship Software Engineering job openings:
Internship Software Engineering jobs near you
Infographic showing various Internship Software Engineering job openings in California as of June 2026, with employment types broken down into 92% Full Time, 5% Part Time, 1% Temporary, and 2% Contract. Highlights an 90% Physical, 1% Hybrid, and 9% Remote job distribution.
Software Engineering Intern

Software Engineering Intern

Beacon Software Inc

San Francisco, CA • On-site

Internship

Posted 15 days ago

Job description

About Beacon Software
Beacon is acquiring and operating a portfolio of vertical SaaS companies. Most private equity firms scale by adding people. We are building Beacon to scale by adding software. The thesis is simple: portfolio operations, value creation, and deal sourcing are bottlenecked by human attention, and an agentic operating system can lift that ceiling by an order of magnitude.
We are building that system. It has two pieces. A sensing layer is a cross-portfolio data lake on open table formats with a feature store on top that makes the data agent-readable. An action layer runs workflows across three domains: how we run the portfolio, how we grow the portfolio, and how we acquire into it. Underneath both sits a feedback loop that captures every action and outcome with stable identifiers.
About the Role
We are hiring a Software Engineering Intern to join the Beacon HQ engineering team for the Fall 2026 co-op term. You will work directly with our senior engineers on the platforms that power how we operate the portfolio: data ingestion across 25+ portcos, internal tools used by our operating team every day, and AI-powered workflows that we are embedding into both Beacon HQ and the portfolio products themselves.
This is not a fetch-coffee internship. We are a small team and interns ship real code into production. Past interns have owned services end-to-end, written features that the entire operating team now depends on, and built tooling that meaningfully changed how a specific portco runs. The bar is high. The autonomy is real.
What You'll Do
  • Ship production code into Beacon's internal platform. You will own a meaningful piece of work end-to-end, from design through deployment.
  • Build integrations between portco source systems (QuickBooks, HubSpot, Salesforce, Stripe, Postgres, and similar) and our central data platform.
  • Prototype and ship LLM-powered internal tools that our operating team uses to manage the portfolio.
  • Work directly with senior engineers, including our CTO and Staff Engineers, on code review, system design, and technical decision-making.
  • Pair with the operations team to understand the problem before writing the code. Engineering at Beacon is operator-facing, and you will learn how to ship software that someone actually uses.

Who You Are
  • Currently enrolled in a Software Engineering, Computer Science, Computer Engineering, or related undergrad or graduate program.
  • Comfortable writing production-quality code in at least one of TypeScript, Python, or Go. You do not need to know all three, but you should be able to pick up a new language quickly.
  • Comfortable working in someone else's codebase. You can read code as well as you write it.
  • Curious about data systems, APIs, and the practical mechanics of LLM-driven applications. Prior exposure is a plus but not required.
  • Strong written communicator. Beacon runs on writing, and interns are expected to write design docs, PR descriptions, and updates that hold up to senior review.
  • Operator instincts. You take the time to understand the problem before reaching for a solution.

Bonus Points
  • Prior co-op or internship experience shipping production software.
  • Exposure to modern data tooling (dbt, Snowflake, Databricks, Postgres at scale).
  • Experience with LLM APIs (OpenAI, Anthropic) or agentic workflow frameworks.
  • Side projects or open-source contributions that demonstrate independent technical curiosity.

What We Offer
  • Direct mentorship from senior engineers and the Beacon CTO.
  • Real ownership. You will ship code that the operating team depends on, not throwaway prototypes.
  • Exposure to a unique operational problem: building software that scales across a portfolio of very different businesses.
  • Competitive co-op compensation.
  • Remote-friendly, with travel to Beacon HQ in Toronto for onboarding and key in-person sessions.

Our Values at Beacon Software
  • Humility: We acknowledge that the path to getting to the right answer involves being wrong along the way. We have strong beliefs which are weakly held. We actively seek new ideas and believe we can learn from anyone at any time.
  • Honesty: We are truth seeking in our approach to business problems. Business is a repeat game and we believe that human relationships generate alpha. We understand that trust is earned over a lifetime and can be lost in an instant.
  • Hunger: We play to win. We hold ourselves to high standards and will not be outworked. We take pride in having a deep sense of responsibility to ourselves, each other, our partners, and our customers. We believe to whom much is given much is expected.
  • Horizon: We seek to build a generational software company. This will take decades. We manage our expectations and those of our partners to take advantage of the 8th wonder of the world - compounding growth.

How We Use AI in Our Hiring Process: To ensure transparency, we want candidates to know that Beacon Software uses Artificial Intelligence and AI-enabled tools to assist with screening, reviewing, organizing and highlighting profiles and applications that match the key requirements for each role.
AI does not make hiring decisions: Every application is reviewed by a member of our team, and all decisions throughout the process are made by humans. We use AI to support efficiency and consistency, not to replace human judgment. We are committed to a fair, thoughtful, and equitable experience for every candidate.

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