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Java Internships 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

$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

Software Engineer Internships

Pomona, CA

By submitting your interest, you'll be among the first to know when internship opportunities open ... Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an ...

Danaher

Software Engineer Internships

Fresno, CA

By submitting your interest, you'll be among the first to know when internship opportunities open ... Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an ...

Danaher

Software Engineer Internships

San Jose, CA

By submitting your interest, you'll be among the first to know when internship opportunities open ... Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an ...

Danaher

Software Engineer Internships

San Diego, CA

By submitting your interest, you'll be among the first to know when internship opportunities open ... Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an ...

Danaher

Software Engineer Internships

Chico, CA · On-site

By submitting your interest, you'll be among the first to know when internship opportunities open ... Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an ...

Danaher

Software Engineer Internships

Sacramento, CA

By submitting your interest, you'll be among the first to know when internship opportunities open ... Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an ...

Danaher

Software Engineer Internships

Arcata, CA

By submitting your interest, you'll be among the first to know when internship opportunities open ... Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an ...

Danaher

Software Engineer Internships

Stockton, CA

By submitting your interest, you'll be among the first to know when internship opportunities open ... Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an ...

Danaher

Software Engineer Internships

Merced, CA · On-site

By submitting your interest, you'll be among the first to know when internship opportunities open ... Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an ...

Danaher

Software Engineer Internships

Northridge, CA

By submitting your interest, you'll be among the first to know when internship opportunities open ... Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an ...

Advantest

Application Engineer Intern

San Jose, CA

This internship will be in San Jose, CA. Responsibilities include: * Develop V93000 applications utilizing Eclipse Java development environment. * Learn to operate test instrumentation such as ...

Advantest

Application Engineer Intern

San Jose, CA · On-site

This internship will be located in San Jose, CA. Responsibilities include: * Develop V93000 applications utilizing Eclipse Java development environment. * Learn to operate test instrumentation such ...

Advantest

AI Application Engineer Intern

San Diego, CA · On-site

This internship will be located in San Diego, CA. Responsibilities include: * Develop AI toolsets to improve time to market and code quality in Java * Learn to operate test instrumentation such as ...

Advantest

Application Engineer Intern

San Jose, CA · On-site

This internship will be in San Jose, CA. Responsibilities include: * Develop V93000 applications utilizing Eclipse Java development environment. * Learn to operate test instrumentation such as ...

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Java Internships information

What are the key skills and qualifications needed to thrive as a Java Intern, and why are they important?

To thrive as a Java Intern, a solid understanding of Java programming, object-oriented principles, and basic software development concepts—often gained through coursework or personal projects—is essential. Familiarity with integrated development environments (IDEs) like Eclipse or IntelliJ IDEA, version control systems such as Git, and sometimes basic knowledge of SQL or web frameworks is typically expected. Strong problem-solving abilities, eagerness to learn, and effective communication skills help interns collaborate with teams and grow rapidly. These skills and qualities are important because they enable interns to contribute meaningfully to projects, adapt to new challenges, and maximize their learning during the internship.

What types of projects do Java interns typically work on, and how are these assignments structured to support learning and growth?

Java interns often participate in real-world projects such as developing web applications, automating tasks, or improving existing codebases. Assignments are usually designed to gradually increase in complexity, starting with smaller tasks like bug fixes or feature enhancements and progressing to more substantial contributions under the guidance of experienced developers. Regular code reviews, mentorship, and collaborative team meetings are common, providing interns with continuous learning opportunities and exposure to industry-standard development practices.

What are Java internships?

Java internships are temporary, hands-on work experiences designed for students or recent graduates to learn and develop their skills in Java programming. These internships typically involve working on real-world projects under the supervision of experienced developers, allowing interns to apply classroom knowledge in a professional environment. Java internships can be found in various industries, including software development, finance, and technology, and often serve as a stepping stone to full-time employment.

What is the difference between Java Internships vs Java Developer?

AspectJava InternshipsJava Developer
Required CredentialsTypically pursuing or recent graduates with basic Java knowledgeBachelor's degree in Computer Science or related field, experience in Java
Work EnvironmentInternship programs, entry-level projects, supervised tasksFull-time employment, project development, team collaboration
Employer & Industry UsageTech companies, startups, internships for skill developmentSoftware firms, IT departments, product development teams
Search & Comparison IntentLearning opportunities, entry-level roles, career explorationCareer advancement, skill application, job responsibilities

Java Internships are short-term, entry-level positions designed for students or recent graduates to gain practical experience. Java Developers are full-time professionals responsible for building and maintaining Java-based applications. Internships focus on learning and skill development, while Java Developer roles involve applying skills to real-world projects and advancing in a tech career.

What are popular job titles related to Java Internships jobs in California? For Java Internships jobs in California, the most frequently searched job titles are:
What job categories do people searching Java Internships jobs in California look for? The top searched job categories for Java Internships jobs in California are:
Java Internships jobs near you
Infographic showing various Java Internships job openings in California as of May 2026, with employment types broken down into 20% Internship, 52% Full Time, and 28% Part Time. Highlights an 92% In-person, 4% Hybrid, and 4% Remote job distribution.
Brilliant Java Engineer

Brilliant Java Engineer

Branchout

San Francisco, CA • On-site

$61 - $83.75/hr

Full-time

Posted 2 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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