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Summer Software Engineer Jobs in California (NOW HIRING)

Lever Demo 2

Software Engineer

Palo Alto, CA · On-site

Knowledge of modern software engineering best practices in algorithms, data structures, and clean ... We participated in Y Combinator in summer 2012, and since then have raised $73 million. As the ...

IXL Learning

Software Engineer, Intern

San Mateo, CA

$29 - $46/hr

As a Software Engineer Intern, you'll be involved in all aspects of the development process ... This is a full-time summer position in our San Mateo, CA headquarters office. TECHNOLOGY The ...

Visa

Software Engineer Intern

Foster City, CA · On-site

As a Software Engineer Intern, you will be placed in one of the technology organizations at Visa ... Our summer internship also equips you with social and professional networking events and ...

Visa

Software Engineer Intern

Foster City, CA · On-site

As a Software Engineer Intern, you will be placed in one of the technology organizations at Visa ... Our summer internship also equips you with social and professional networking events and ...

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Showing results 1-20

All JobsSummer Software Engineer JobsSummer Software Engineer Jobs in California

Summer Software Engineer information

See California salary details

$62.7K

$145.6K

$202.8K

How much do summer software engineer jobs pay per year?

As of Sep 8, 2026, the average yearly pay for summer software engineer in California is $145,592.00, according to ZipRecruiter salary data. Most workers in this role earn between $118,400.00 and $170,700.00 per year, depending on experience, location, and employer.

What does a summer software engineer do?

A Summer Software Engineer is typically an intern or temporary employee who works with a software engineering team during the summer months. Their responsibilities often include writing, testing, and debugging code, participating in team meetings, and contributing to software projects under the guidance of experienced engineers. This role is designed to provide hands-on experience with real-world software development, helping students or early-career professionals build technical and professional skills. Summer Software Engineers may also collaborate with other interns and departments, gaining valuable industry exposure.

What skills and qualifications are needed to thrive as a summer software engineer?

To thrive as a Summer Software Engineer, you need a strong grasp of programming languages (such as Python, Java, or C++), problem-solving abilities, and a foundation in computer science, often supported by ongoing or completed studies in a related field. Familiarity with version control systems like Git, development frameworks, and issue-tracking tools is typically expected. Strong teamwork, adaptability, and effective communication help you integrate into new teams and respond to feedback quickly. These skills and qualities are crucial for contributing meaningfully during a short internship and accelerating professional growth.

What types of projects and technologies do summer software engineers typically work on, and how much autonomy can I expect?

As a Summer Software Engineer, you'll often work on real-world projects that may range from building new features to fixing bugs or optimizing existing codebases. Many companies assign interns to teams working with popular programming languages and frameworks like Python, Java, JavaScript, or React. You'll usually be paired with a mentor and collaborate closely with other engineers, participating in code reviews and team meetings. While guidance is provided, interns are encouraged to contribute ideas and take ownership of smaller tasks, offering a great opportunity to develop practical skills and demonstrate initiative.

What are the most commonly searched types of Software Engineer jobs in California?

The most popular types of Software Engineer jobs in California are:

What cities in California are hiring for Summer Software Engineer jobs?

Cities in California with the most Summer Software Engineer job openings:

Summer Software Engineer jobs near you
Infographic showing various Summer Software Engineer job openings in California as of August 2026, with employment types broken down into 82% Full Time, 13% Part Time, and 5% Contract. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $145,592 per year, or $70 per hour.

Software Engineer Intern - (Summer 2027)

The Voleon Group

Berkeley, CA • On-site

Contractor

Posted 13 days ago

Job description

The Voleon Group is a quantitative hedge fund headquartered in Berkeley, CA. We apply statistical machine learning to get an edge in highly competitive, fast-moving financial markets. We employ world-class engineering and research talent to solve financial prediction problems.
We are seeking passionate software engineers who can tackle hard problems in a high-stakes environment. You should be a highly motivated individual who can push a project through to completion, as well as demonstrate excellence in designing clean, robust software.
At Voleon, software engineers design and build complex, high-performance systems such as:
- Real-time trading systems
- Large-scale distributed data processing
- Research infrastructure to develop the next generation of machine learning models
- and much more
You will have the opportunity to work closely with machine learning researchers, trading staff, and engineers. You will gain exposure to the full "finance stack," learning about a broad range of areas including machine learning, the mechanics of institutional trading, market execution dynamics, and more.
We are open to accepting interns who can start in summer 2027.
Responsibilities
  • Designing complex systems.
  • Take on a lot of responsibility very quickly. You will "own" your work (passionately).

Requirements
  • Expected to graduate in 2028
  • Hands-on experience writing code: You have built something significant. You understand how to write modular, maintainable, well-organized, and thoughtfully structured code.
  • Mastery of Computer Science fundamentals.
  • Modern software practices: You are comfortable using Linux, git, and mainstream databases.
  • You are familiar with cloud infrastructure.
  • You are incredibly good at at least one thing.
  • You are eager to work in diverse teams.
  • You are available to work a full-time internship during the summer, fall, or winter of 2027.
Equal Opportunity Employer
The Voleon Group is an Equal Opportunity employer. Applicants are considered without regard to race, color, religion, creed, national origin, age, sex, gender, marital status, sexual orientation and identity, genetic information, veteran status, citizenship, or any other factors prohibited by local, state, or federal law.
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About Voleon Group

Sourced by ZipRecruiter

Industry

Investment management and consulting services

Company size

11 - 50 Employees

Headquarters location

Berkeley, CA, US

Year founded

2007

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