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Volunteer Java Jobs in California (NOW HIRING)

Saalex

Software Engineer (Range Systems)

Corona, CA · On-site

$115K - $150K/yr

Proficiency in C++, Java, Python, or C# * Experience with hardware/software integration Desired ... Life Insurance (Basic, Voluntary & AD&D) * Paid Time Off (Vacation, Sick & Public Holidays) * Short ...

Saalex

Software Engineer (Range Systems)

Corona, CA · Hybrid

$115K - $150K/yr

Proficiency in C++, Java, Python, or C# * Experience with hardware/software integration Desired ... Life Insurance (Basic, Voluntary & AD&D) * Paid Time Off (Vacation, Sick & Public Holidays) * Short ...

Saalex

Software Engineer (Range Systems)

Corona, CA · On-site

$115K - $150K/yr

Proficiency in C++, Java, Python, or C# * Experience with hardware/software integration Desired ... Life Insurance (Basic, Voluntary & AD&D) * Paid Time Off (Vacation, Sick & Public Holidays) * Short ...

Zuora

Software Engineer

Foster City, CA

Java, Spring Boot, REST APIs, Microservices, Kafka, AWS, Kubernetes, Terraform, Postgres, and ... Opportunities to give back, including volunteer time and donation matching * Mental wellbeing ...

Zuora

Software Engineer

Foster City, CA · On-site

Java, Spring Boot, REST APIs, Microservices, Kafka, AWS, Kubernetes, Terraform, Postgres, and ... Opportunities to give back, including volunteer time and donation matching * Mental wellbeing ...

Fivetran

Principal Software Engineer

Oakland, CA · On-site

$225.81K - $282.27K/yr

Java (JVM, JIT, GC tuning, thread management), JUnit * Claude Code * Docker and Kubernetes * AWS ... volunteer days off * RSU stock grants* * Professional development and training opportunities

Cloudera

Senior Software Engineer

San Jose, CA · On-site +1

$143.60K - $189.30K/yr

Proven expertise in Java (preferred) or other OOP languages, with strong skills in data structures ... Paid Volunteer Time * Employee Resource Groups EEO/VEVRAA #LI-HYBRID #LI-REMOTE #LI-BV1

Zuora

Software Engineer

Foster City, CA · On-site

Java, Spring Boot, REST APIs, Microservices, Kafka, AWS, Kubernetes, Terraform, Postgres, and ... Opportunities to volunteer and give back , including charitable donation matching where available

TEKsystems

Forward Deployed Engineer

San Jose, CA · On-site

$80 - $85/hr

REST/GraphQL, HTML, JavaScript, Java, XML). * GenAI Mastery: Extensive hands-on experience with ... Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term ...

Cloudera, Inc.

Senior Software Engineer

San Jose, CA · On-site

$143.60K - $189.30K/yr

Proven expertise in Java (preferred) or other OOP languages, with strong skills in data structures ... Paid Volunteer Time * Employee Resource Groups EEO/VEVRAA #LI-HYBRID #LI-REMOTE #LI-BV1

Zuora

Software Engineer

Foster City, CA · On-site

Java, Spring Boot, REST APIs, Microservices, Kafka, AWS, Kubernetes, Terraform, Postgres, and ... Opportunities to volunteer and give back , including charitable donation matching where available

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Volunteer Java information

See California salary details

$15

$55

$76

How much do volunteer java jobs pay per hour?

As of May 30, 2026, the average hourly pay for volunteer java 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 Volunteer Java job?

A Volunteer Java job is an unpaid role where individuals contribute their Java programming skills to support a project, organization, or community initiative. Volunteers may help with coding, debugging, testing, or improving software applications. These roles are typically found in non-profits, open-source projects, or educational initiatives. It’s a great opportunity to gain hands-on experience, expand your portfolio, and contribute to meaningful projects while improving Java skills.

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

To thrive as a Volunteer Java developer, you need a solid understanding of Java programming, object-oriented principles, and basic software development practices, often demonstrated through coursework, self-study, or project experience. Familiarity with systems like Git, integrated development environments (IDEs) such as Eclipse or IntelliJ IDEA, and participation in code collaboration platforms like GitHub is advantageous. Excellent communication, teamwork, and time management skills help you contribute effectively to projects and adapt to a volunteer-driven workflow. These skills are crucial for delivering high-quality code, collaborating within diverse teams, and ensuring the success of community-driven or non-profit software initiatives.

What kind of projects might I work on as a Volunteer Java developer?

As a Volunteer Java developer, you'll typically work on software projects that support non-profit organizations, educational programs, or open-source initiatives. Projects might include building and maintaining web applications, automating processes for nonprofits, or contributing to digital tools used by community groups. You may collaborate with other volunteers, designers, and project managers in a remote or hybrid team environment. This experience offers the chance to strengthen your technical skills, expand your professional network, and make a positive impact while learning to navigate real-world software development challenges.
More about Volunteer Java jobs
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 Volunteer Java jobs in California? For Volunteer Java jobs in California, the most frequently searched job titles are:
What job categories do people searching Volunteer Java jobs in California look for? The top searched job categories for Volunteer Java jobs in California are:
What cities in California are hiring for Volunteer Java jobs? Cities in California with the most Volunteer Java job openings:
Volunteer Java jobs near you
Infographic showing various Volunteer Java job openings in California as of May 2026, with employment types broken down into 1% Internship, 73% Full Time, 16% Part Time, and 10% Contract. Highlights an 78% Physical, 8% Hybrid, and 14% Remote job distribution, with an average salary of $116,387 per year, or $56 per hour.
Software Engineer (Range Systems)

Software Engineer (Range Systems)

Saalex

Corona, CA • On-site

$115K - $150K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 23 days ago

Job description

Saalex is seeking a Software Engineer (Range Systems) in Corona, CA. Saalex is an Engineering and Information Technology Services company with a focus on Test Range Operations and Management, Engineering and Logistics Services, Data Analytics and Business Intelligence Services and Information Technology Services.

Position Type: Full-Time

Salary: $115K-$150K (depending on experience)

Work Location: Hybrid remote/in-office (see onsite requirements below). Preference for candidates near Corona, CA.

**On-site Requirements: This position is 25% telework and 75% onsite at NSWC Corona to integrate with hardware.

Job Summary:

Saalex is seeking an experienced Software Engineer to support the development, integration, and sustainment of complex defense-related systems. This role requires collaboration with both software and hardware engineering teams and will contribute to system-level design, implementation, integration, and verification activities. While the role may be performed remotely, periodic on-site support in Corona, CA is required to support hardware and system integration efforts.

Essential Functions:

  • Design, develop, integrate, and maintain software solutions for complex systems
  • Participate in system architecture, requirements analysis, and interface definition
  • Develop software that interfaces with hardware components and test equipment
  • Support system integration, testing, and validation activities
  • Troubleshoot software and hardware integration issues
  • Produce and maintain technical documentation
  • Collaborate with cross-functional engineering teams

Requirements

Required:

  • Minimum of 7 years of relevant systems and/or software engineering experience
  • Experience developing software for complex, integrated systems
  • Proficiency in C++, Java, Python, or C#
  • Experience with hardware/software integration

Desired:

  • Experience supporting DoD or defense programs
  • Familiarity with embedded or real-time systems
  • Experience with MBSE or lab-based integration and testing- Experience with remote range systems, scoring systems, and hardware integration.
  • Knowledge of TCP/IP, sockets, and client/server architectures.


Education:

Bachelor’s degree in Engineering, Computer Science, or related field.

Security Clearance:

Active Secret Clearance required. Requirements to obtain clearance include US Citizenship, security investigation, etc.

Benefits

  • Health Care Plan (Medical, Dental & Vision)
  • Retirement Plan (401k, IRA)
  • Life Insurance (Basic, Voluntary & AD&D)
  • Paid Time Off (Vacation, Sick & Public Holidays)
  • Short Term & Long Term Disability
  • Training & Development
  • Wellness Resources
  • Stock Option Plan