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Java Internship Jobs in California (NOW HIRING)

Flexton

Java Backend Developer

San Francisco, CA · On-site

$40 - $45/hr

Java Backend Developer with 6+ months of hands-on experience, internship, or project experience in Java development. The ideal candidate should have a strong foundation in backend development ...

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

... 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

Software Engineer Internships

Pomona, 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

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

Software Engineer Internships

Arcata, CA

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

Software Engineer Internships

Fresno, 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

Fresno, CA

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 Internship JobsJava Internship Jobs in California

Java Internship information

See California salary details

$15

$55

$76

How much do java internship jobs pay per hour?

As of Jul 1, 2026, the average hourly pay for java internship in California is $55.96, according to ZipRecruiter salary data. Most workers in this role earn between $48.41 and $62.64 per hour, depending on experience, location, and employer.

What is a Java Internship?

A Java Internship is a temporary position, usually aimed at students or recent graduates, that provides hands-on experience working with Java programming in a real-world environment. Interns typically assist with software development tasks, bug fixing, and sometimes participate in designing and testing Java applications. This role helps individuals gain practical skills, industry knowledge, and professional networking opportunities that can aid in securing a full-time job in software development.

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, you need a solid understanding of Java programming, basic knowledge of object-oriented principles, and enrollment in or completion of a computer science or related degree. Familiarity with IDEs like Eclipse or IntelliJ IDEA, version control systems such as Git, and basic database concepts is often expected. Strong problem-solving skills, eagerness to learn, and effective communication set exceptional interns apart. These skills and qualities enable interns to contribute meaningfully to projects, adapt to team workflows, and accelerate their professional growth.

What is the difference between Java Internship vs Java Developer?

AspectJava InternshipJava Developer
Required CredentialsTypically pursuing or recently completed a degree in Computer Science or related fieldBachelor's degree in Computer Science or related, often with certifications
Work EnvironmentEntry-level, training-focused, often part-time or temporaryFull-time, professional development, project-based
Employer & Industry UsageInternships offered by tech companies, startups, and organizations for trainingFull-time roles in software development companies, IT departments, or tech firms
Common Search & Comparison IntentUnderstanding entry points into Java developmentSeeking full-time Java development roles

In summary, a Java Internship is an entry-level, training-focused position designed for students or recent graduates to gain practical experience. A Java Developer is a full-time professional role requiring more experience and responsibility in developing Java applications.

What types of projects do Java interns typically work on, and how do these projects support their learning and professional growth?

Java interns are often assigned to real-world projects such as developing web applications, enhancing existing codebases, or automating testing processes. These projects are designed to provide hands-on experience with Java frameworks like Spring or Hibernate, version control systems, and collaborative development tools. Interns usually work closely with experienced developers, participate in code reviews, and attend team meetings, which helps them gain valuable feedback and understand industry best practices. This environment not only sharpens their technical skills but also exposes them to effective teamwork and agile development methodologies, setting a strong foundation for future career opportunities.
What are the most commonly searched types of Java jobs in California? The most popular types of Java jobs in California are:
What are popular job titles related to Java Internship jobs in California? For Java Internship jobs in California, the most frequently searched job titles are:
What job categories do people searching Java Internship jobs in California look for? The top searched job categories for Java Internship jobs in California are:
What cities in California are hiring for Java Internship jobs? Cities in California with the most Java Internship job openings:
Java Internship jobs near you
Infographic showing various Java Internship job openings in California as of June 2026, with employment types broken down into 2% As Needed, 71% Full Time, 24% Part Time, 2% Temporary, and 1% Contract. Highlights an 90% Physical, 1% Hybrid, and 9% Remote job distribution, with an average salary of $116,387 per year, or $56 per hour.
Java Backend Developer

Java Backend Developer

Flexton

San Francisco, CA • On-site

$40 - $45/hr

Other

Posted 9 days ago

Job description

Java Backend Developer

Java Backend Developer – Local to Bay Area – Hybrid Rate: $40-$45/hr on W2

Visa independent candidates and no C2C

Master's degree in Computer Science or related field from top 10 colleges/universities in the US.

Job Description:

Java Backend Developer with 6+ months of hands-on experience, internship, or project experience in Java development. The ideal candidate should have a strong foundation in backend development concepts and be eager to contribute to scalable backend systems and APIs.

Key Responsibilities:
  • Assist in developing, testing, and maintaining backend applications using Java and related frameworks.
  • Support the design and implementation of REST APIs and backend services.
  • Collaborate with senior developers to build scalable and reliable applications.
  • Work closely with frontend developers to integrate user-facing elements with backend services.
  • Write clean, reusable, and efficient code following coding standards.
  • Participate in debugging, troubleshooting, and performance optimization activities.
  • Work with relational and NoSQL databases such as SQL and Cassandra.
  • Gain exposure to cloud platforms like Azure and backend deployment processes.
  • Participate in code reviews, testing, and application deployment activities.
  • Learn and adopt new technologies and best practices to improve development efficiency.
Required Skills and Qualifications:
  • 6+ months of hands-on experience, internship, academic projects, or training in Java development.
  • Master's degree in Computer Science or related field from top colleges/universities in the US.
  • Visa-independent candidates preferred.
  • Basic understanding of Java, OOP concepts, and backend development.
  • Familiarity with SQL and exposure to NoSQL databases like Cassandra.
  • Basic knowledge or exposure to Azure or other cloud platforms.
  • Understanding of data structures and algorithms fundamentals.
  • Familiarity with RESTful APIs and microservices concepts.
  • Strong analytical and problem-solving skills.
  • Ability to work in a collaborative team environment and willingness to learn.
  • Exposure to testing tools/frameworks is a plus.

Apply