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Java Programming Intern Jobs in Walnut Creek, CA

Riveron

Technology & Innovation - Intern

San Francisco, CA · On-site

$17.75 - $23.50/hr

As an intern at Riveron, you will gain experience across a breadth of functional and technical ... Proficiency in at least one programming language (e.g., Python, Java, JavaScript, C++) * Working ...

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Java Programming Intern information

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How much do java programming intern jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for java programming intern in Walnut Creek, CA is $25.35, according to ZipRecruiter salary data. Most workers in this role earn between $20.48 and $26.88 per hour, depending on experience, location, and employer.

What is a Java programming intern?

A Java Programming Intern is an entry-level role where individuals gain hands-on experience in Java development. Interns typically assist in coding, debugging, testing, and maintaining Java applications under the guidance of senior developers. They may also work with frameworks like Spring, databases, and APIs to build and improve software solutions. This role provides valuable exposure to software development processes and best practices, helping interns develop technical and problem-solving skills.

What are the typical responsibilities of a Java programming intern?

As a Java Programming Intern, you can expect to assist with coding, debugging, and testing Java applications under the guidance of experienced developers. Your daily tasks may include writing and reviewing code, documenting your work, collaborating with team members through meetings or code reviews, and learning about project workflows. Interns often participate in agile sprints and may help maintain or enhance ongoing software projects. This hands-on experience provides valuable exposure to real-world software development practices and helps you build skills for future roles in the tech industry.

What are the key skills and qualifications needed to thrive in the Java programming intern position, and why are they important?

To thrive as a Java Programming Intern, you need a solid understanding of Java fundamentals, object-oriented programming, and basic data structures, typically supported by relevant coursework or personal projects. Familiarity with integrated development environments (IDEs) like Eclipse or IntelliJ IDEA, version control systems such as Git, and optional certifications like Oracle Certified Associate (OCA) can be beneficial. Strong problem-solving skills, attention to detail, eagerness to learn, and effective communication are highly valued soft skills. These qualities enable interns to contribute meaningfully, adapt quickly to professional workflows, and collaborate successfully in development teams.

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Software Engineer (Internship, Summer 2027)

Heliux, Inc.

San Francisco, CA • On-site

Full-time

Medical, Dental, Vision, PTO

Posted 19 days ago

Job description

Why Heliux:
Heliux is building the AI-native operating system for the manufacturing enterprise. We're fundamentally reshaping how engineering and manufacturing companies run by eliminating cross-functional fragmentation and enabling agentic execution on a single, shared operational reality. Companies developing and scaling production of next-generation defense systems, nuclear reactors, robotics, and more all trust Heliux to drive their operations.
We're on a mission to deliver unprecedented operating performance for manufacturers. Our team is built on a foundation of grit combined with deep commitment to our customers and the mission. If you want to do important work for critical industries on an ambitious, high-energy team, we'd love for you to join us.
About the Role:
Engineers at Heliux are directly responsible for end-to-end design, development, and delivery of our core software platform. As an intern, the expectation is that you will operate at the same capacity as a full-time engineer.
• Acquire expertise in hardware engineering and manufacturing through immersive, hands-on problem-solving with our customers.
• Rapidly design, build, test, deliver, and maintain complex software systems that are performant, reliable, and scalable.
• Contribute to the high-level technical direction of both the organization and the platform to ensure we are always accelerating the velocity of our work.
• Relentlessly solve any and all technical problems that stand in the way of company objectives-and therefore, our success.
About You:
  • Proven experience building complex, scalable software systems from zero-to-one-i.e., problem identification to production-grade solution.
  • Demonstrated proficiency in programming languages such as Rust, Python, Java, TypeScript, or similar.
  • Inherent desire to operate with extreme levels of urgency across all aspects of life and work.

What We Offer:
  • Competitive compensation package.
  • Healthcare coverage across medical, dental, and vision.
  • Unlimited PTO.
  • Monthly company-sponsored lunches and/or outings.

All qualified applicants will receive consideration for employment regardless of race, color, religion, sex, national origin, age, physical and mental disability, health status, marital and family status, sexual orientation, gender identity and expression, military and veteran status, and any other characteristic protected by applicable law.
ITAR Requirements
To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here.

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