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Internship Java Developer Jobs in California (NOW HIRING)

Branchout

Brilliant Java Engineer

San Francisco, CA · On-site

$61 - $83.75/hr

... 3 million jobs and20,000 internships. BranchOut is backed by Accel Partners, Norwest ... Our codebase is written in Java, but we're not really lookingfor heavy J2EE expertise. A few years ...

BranchOut

Brilliant Java Engineer

San Francisco, CA · On-site

$61 - $83.75/hr

... 000 internships. BranchOut is backed by Accel Partners, Norwest Venture Partners, Floodgate and ... Our codebase is written in Java, but we're not really looking for heavy J2EE expertise. A few years ...

Danaher

Preference for students who have completed 3+ years of coursework by the internship start date * Experience with object-oriented programming (e.g., C#, Java, Python, C++) * Strong analytical and ...

Danaher

Software Engineer Internships

Chico, CA · On-site

Preference for students who have completed 3+ years of coursework by the internship start date * Experience with object-oriented programming (e.g., C#, Java, Python, C++) * Strong analytical and ...

Danaher

Software Engineer Internships

San Diego, CA · On-site

Preference for students who have completed 3+ years of coursework by the internship start date * Experience with object-oriented programming (e.g., C#, Java, Python, C++) * Strong analytical and ...

Danaher

Preference for students who have completed 3+ years of coursework by the internship start date * Experience with object-oriented programming (e.g., C#, Java, Python, C++) * Strong analytical and ...

Danaher

Preference for students who have completed 3+ years of coursework by the internship start date * Experience with object-oriented programming (e.g., C#, Java, Python, C++) * Strong analytical and ...

Danaher

Preference for students who have completed 3+ years of coursework by the internship start date * Experience with object-oriented programming (e.g., C#, Java, Python, C++) * Strong analytical and ...

Danaher

Software Engineer Internships

Stockton, CA · On-site

Preference for students who have completed 3+ years of coursework by the internship start date * Experience with object-oriented programming (e.g., C#, Java, Python, C++) * Strong analytical and ...

Danaher

Preference for students who have completed 3+ years of coursework by the internship start date * Experience with object-oriented programming (e.g., C#, Java, Python, C++) * Strong analytical and ...

Danaher

Preference for students who have completed 3+ years of coursework by the internship start date * Experience with object-oriented programming (e.g., C#, Java, Python, C++) * Strong analytical and ...

Danaher

Preference for students who have completed 3+ years of coursework by the internship start date * Experience with object-oriented programming (e.g., C#, Java, Python, C++) * Strong analytical and ...

Danaher

Preference for students who have completed 3+ years of coursework by the internship start date * Experience with object-oriented programming (e.g., C#, Java, Python, C++) * Strong analytical and ...

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All JobsJava Developer JobsInternship Java Developer JobsInternship Java Developer Jobs in California

Internship Java Developer information

What Are the Qualifications to Get a Java Developer Internship?

The qualifications to become a Java developer intern include that you are pursuing at least a bachelor’s degree in engineering, computer science, or a similar degree. Experience working with different computer languages is beneficial when you are applying for positions. Having some experience with the following can be helpful: C#, NET, HTML5, Java, VB, SQL, MVC, or data analytics. Strong communication skills can help you to stand out above other applicants. Experience with Java development, Spring Framework, and relational databases can also help you applying for a Java developer internship.

What is the difference between Internship Java Developer vs Junior Java Developer?

AspectInternship Java DeveloperJunior Java Developer
Required CredentialsTypically pursuing or recently completed a degree in Computer Science or related fieldBachelor's degree in Computer Science or related field, with some practical experience
Work EnvironmentTraining-focused, supervised environment, often part-time or temporaryFull-time, ongoing employment with more responsibilities
Employer & Industry UsageInternships offered by tech companies, startups, and IT departments for skill developmentEntry-level position in software development teams across various industries

The main difference between an Internship Java Developer and a Junior Java Developer is experience and responsibility. Internships are designed for students or recent graduates gaining initial exposure, while Junior Java Developers have more hands-on work experience and are expected to contribute more independently to projects.

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

To thrive as an Internship Java Developer, you need a solid understanding of Java programming, object-oriented principles, and basic software development concepts, often supported by coursework or personal projects. Familiarity with version control systems like Git, integrated development environments (IDEs) such as Eclipse or IntelliJ IDEA, and basic knowledge of databases are typically required. Strong problem-solving skills, eagerness to learn, and effective communication help interns adapt and contribute within development teams. These competencies enable you to quickly integrate into projects, support code quality, and grow professionally in a fast-paced environment.

What are Internship Java Developers?

Internship Java Developers are students or recent graduates who work in a company to gain practical experience in Java programming. They assist in developing, testing, and maintaining Java applications under the supervision of experienced developers. This role helps interns apply their academic knowledge to real-world projects, learn industry best practices, and improve their coding and teamwork skills. Internships often serve as a valuable stepping stone to full-time software development positions.

What kinds of projects and tasks can an Internship Java Developer expect to work on during their internship?

As an Internship Java Developer, you can expect to work on a variety of projects that help you build practical skills, such as developing new features, fixing bugs, writing unit tests, or assisting with code reviews. You’ll likely collaborate closely with experienced developers and participate in team meetings or agile sprints, which provide valuable exposure to real-world software development processes. Projects may range from maintaining existing applications to contributing to new product development, giving you a well-rounded experience in Java programming. This role is designed to help you learn industry best practices and gain hands-on experience while receiving mentorship and feedback from your team.
More about Internship Java Developer jobs
What are the most commonly searched types of Java Developer jobs in California? The most popular types of Java Developer jobs in California are:
What are popular job titles related to Internship Java Developer jobs in California? For Internship Java Developer jobs in California, the most frequently searched job titles are:
What job categories do people searching Internship Java Developer jobs in California look for? The top searched job categories for Internship Java Developer jobs in California are:
What cities in California are hiring for Internship Java Developer jobs? Cities in California with the most Internship Java Developer job openings:
Internship Java Developer jobs near you
Infographic showing various Internship Java Developer job openings in California as of July 2026, with employment types broken down into 82% Full Time, 6% Part Time, 1% Temporary, and 11% Contract. Highlights an 83% Physical, 4% Hybrid, and 13% Remote job distribution.

Brilliant Java Engineer

Branchout

San Francisco, CA • On-site

$61 - $83.75/hr

Full-time

Re-posted 5 days ago

Job description

COMPANYOVERVIEW
BranchOut,is the largest professional networking service on Facebook. BranchOutallows users to leverage their extended Facebook friend network to identifyinside connections for incredible opportunities such as finding a job,recruiting great talent, getting warm introductions for sales leads, orexpanding the power of their professional network. BranchOut alsooperates as the largest job board on Facebook with over 3 million jobs and20,000 internships. BranchOut is backed by Accel Partners, Norwest VenturePartners, Floodgate and several of the most prominent angel investors inSilicon Valley.
DESCRIPTION
TheBranchOut team is a small group where everyone is part of the creative process.The ideal candidate is creative yet pragmatic, comfortable multitasking yetable to focus on a problem with laser-like intensity, and (above all) a fastlearner. Our codebase is written in Java, but we're not really lookingfor heavy J2EE expertise. A few years experience with high-trafficweb-development patterns is much more important, regardless of the stack. Youmay, however, be asked to provide a code sample in Java.
RESPONSIBILITIES
  • Integrating features with various third-party APIs, including Facebook Graph API
  • Designing custom search functionality with Lucene
  • Working closely with product design and front end UI to perfect user experience and reduce friction
  • Brainstorming new features and product directions (if you work at BranchOut, your input is valued, no matter what your job title is)
  • Improving in-house analytics tools and merging performance metrics from a variety of sources
  • Develop overall strategies and implement scaling solutions

REQUIREMENTS
  • Java, J2EE Expertise.
  • 5+ years development experience, preferably working with high-traffic web-development
  • patterns or on the Facebook platform.
  • BS degree in computer science or related field

COMPENSATION/BENEFITS/PERKS
  • Competitive base
  • 100% benefits coverage for all employees
  • Work with smart people
  • Build an amazing product
  • Strong equity packages
  • Killer new offices, SOMA, great views
  • Stocked fridge
  • Kegarator (the good stuff)

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