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Java Internships Jobs in California (NOW HIRING)

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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 ...

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Engineering Intern - Retail Technology

San Ramon, CA · On-site

$45 - $50/hr

Interns will be working 40 hours a week at our San Ramon, CA office. RESPONSIBILITIES * Develop and enhance microservices-based applications using Java and Python * Build and deploy scalable, cloud ...

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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.

Mission Operations Internship - Fall 2026

Varda Space Industries

El Segundo, CA

$33/hr

Other

Posted 7 days ago

Job description

About This Role 

Fall internships will range between the months of August and December. All dates dependent upon the university schedule of the selected students. Internships are full-time and on-site in Los Angeles, CA. To be considered for this internship, candidates must be actively enrolled in an accredited undergraduate or graduate degree program. 

The Mission Operations team is responsible for developing, planning, and executing Varda's on-orbit missions.  Members of this team need to be a jack-of-all trades, capable of applying cross-discipline engineering to bespoke solutions.  For this role, you will work alongside experienced Mission Directors and multiple engineering teams to conceptualize, develop, and standup web tools that will support our rapidly growing flight manifest. 

Internships at Varda are optimal for students looking to grow technically and professionally while working on impactful projects critical to the company's success. You will be working on a collaborative team in a startup environment while being able to learn from some of most accomplished and experienced aerospace professionals in the world. We're dedicated to providing an experience that will let your decisions and contributions help drive Varda's success. 

Responsibilities

  • Operate as an integrated member of Varda's Mission Operations team

  • Own the full-stack development life cycle of internal tools used in spacecraft and payload operations

  • Develop, test, and deploy web-based applications to support automation and scalability as mission cadence increases

  • Contribute to system verification, infrastructure integration, and debugging of mission-critical code

  • Collaborate across engineering teams to build and implement the first-use cases of your tools

  • Support mission operations in real time as your code is deployed in live spaceflight environments

Basic Qualifications

  • Full-stack coding experience with web development languages such as:

    • Python, Java, JavaScript, HTML, CSS, C, C++, nginx

  • Experience deploying, executing, and debugging server-based applications

  • Currently pursuing a degree in Computer Science, Computer Engineering, Software Engineering, Aerospace Engineering, or a related field

  • Coursework in:

    • Python programming, full-stack development, orbital mechanics (CS + Aero background preferred)

Preferred Skills And Experience 

  • Experience building scalable web applications

  • Understanding of software data management and scaling techniques

  • Experience applying code to aerospace systems or complex, high-reliability environments

  • Familiarity with Continuous Integration pipelines and Linux environments

  • Previous internship, co-op, or real-world development experience

  • Hands-on project team experience (e.g. CubeSat, Solar Car, Formula SAE, etc.)

Projects You May Work On
  • Full stack web application or tooling
  • Preferably for execution of team project or complex operation
  • Built ground station scheduling tool
  • Built ops scheduling tool to track planning tools
Compensation
  • Hourly Rate: $33.00
  • Housing stipend for interns relocating to the area
  • Commuter benefit to support local transportation

Apply