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Volunteer Java Jobs in California (NOW HIRING)

Platform Engieer

San Jose, CA · On-site

$70 - $80/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Strong skills in SQL, Python, Java, or C# for backend/data engineering. Experience with Gainsight ... Voluntary Life & AD&D for the employee and dependents) Short and long-term disability Health ...

Platform Engieer

San Jose, CA

$70 - $80/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Skills Gainsight NXT, Azure, CRM Platform Experience, Python, databricks, SQL, Java, Frontend/UI ... Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term ...

Platform Engieer

San Jose, CA

$70 - $80/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Skills Gainsight NXT, Azure, CRM Platform Experience, Python, databricks, SQL, Java, Frontend/UI ... Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term ...

Information Systems Analyst

Oakland, CA · On-site

$55.85 - $74.84/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Voluntary Demotion: You must be a current County classified employee in a job code which is at a ... Professional Certification as a Microsoft Certified Solution Developer, Sun Certified Java ...

Senior Full Stack Web Developer

Roseville, CA

$120K - $150K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Our software runs on Java, Ruby on Rails, AngularJS and ReactJS. We also manage an Android and iOS ... Robust PTO offerings including: major holidays, vacation, sick, personal, & volunteer time

Senior Full Stack Web Developer

Elk Grove, CA

$120K - $150K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Our software runs on Java, Ruby on Rails, AngularJS and ReactJS. We also manage an Android and iOS ... Robust PTO offerings including: major holidays, vacation, sick, personal, & volunteer time

Senior Full Stack Web Developer

Elk Grove, CA · On-site

$120K - $150K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Our software runs on Java, Ruby on Rails, AngularJS and ReactJS. We also manage an Android and iOS ... Robust PTO offerings including: major holidays, vacation, sick, personal, & volunteer time

SOFTWARE DEVELOPER (FULL STACK)

Norco, CA · On-site

$110K - $165K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

NET, Java) * Familiarity with cloud platforms such as AWS, Azure, or Google Cloud for application ... voluntary benefits. Our goal is to grow together and enjoy the work that we do as a team. VSolvit ...

AI/ML Software Developer (req-259)

Redwood City, CA · On-site

$137K - $167K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Experience with JavaScript, Java, or other object-oriented programming language(s). * Hands-on ... Life Insurance (Basic, Voluntary & AD&D) * Paid Time Off * 11 Federal Holidays * Parental Leave

AI/ML Software Developer

Redwood City, CA · On-site

$137K - $167K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Experience with JavaScript, Java, or other object-oriented programming language(s). * Hands-on ... Life Insurance (Basic, Voluntary & AD&D) * Paid Time Off * 11 Federal Holidays * Parental Leave

AI/ML Software Developer

Redwood City, CA · On-site

$137K - $167K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Experience with JavaScript, Java, or other object-oriented programming language(s). * Hands-on ... Life Insurance (Basic, Voluntary & AD&D) * Paid Time Off * 11 Federal Holidays * Parental Leave

AI/ML Software Developer

Redwood City, CA · On-site

$137K - $167K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Experience with JavaScript, Java, or other object-oriented programming language(s). * Hands-on ... Life Insurance (Basic, Voluntary & AD&D) * Paid Time Off * 11 Federal Holidays * Parental Leave

Showing results 41-60

Volunteer Java information

See California salary details

$15

$55

$76

How much do volunteer java jobs pay per hour?

As of Aug 19, 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?

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 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.

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 are the most commonly searched types of Java jobs in California?

The most popular types of 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:

Infographic showing various Volunteer Java job openings in California as of August 2026, with employment types broken down into 86% Full Time, and 14% Part Time. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $116,387 per year, or $56 per hour.

Principal Software Developer- C/C++ , Java, Distributed System (Redwood City, CA)

Oracle

Redwood City, CA • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 23 days ago


Oracle rating

8.7

Company rating: 8.7 out of 10

Based on 152 frontline employees who took The Breakroom Quiz

54th of 245 rated software companies


Job description

We are looking for smart systems software engineers with BS/MS/PhD in Computer Science to join the Exadata Team @ Oracle Server Technologies (http://www.oracle.com/database/exadata.html).
Oracle Exadata technology is the newest innovation in Oracle's history as the provider of the industry's number one database technology.  Exadata group (Server Technologies Division) is responsible for the development of all aspects of the Exadata Storage Server and Exadata Database Machine which is named as Oracle's most successful new product.

Team and Product Description:  

Oracle Exadata technology is the newest innovation in Oracle's history as the provider of the industry's number one database technology.  Exadata group (Server Technologies Division) is responsible for the development of all aspects of the Exadata Storage Server and Exadata Database Machine which is named as Oracle's most successful new product.

Exadata Database Machine is the only database appliance in the industry that is capable of providing extreme performance for data warehousing, OLTP and consolidated workloads. Built using database and storage software from Oracle and industry standard hardware from Sun/Intel, Exadata Database Machine provides a fully optimized engineered system for best performance, scalability and high availability.

At the heart of every Oracle Exadata Database Machine are the Oracle Exadata Storage Servers. These are smart 'data aware' storage servers which provide Smart Scans, Smart Flash Cache, Smart Flash Log and Hybrid Columnar Compression technologies. Exadata group is responsible for the development of these innovative technologies that power the entire Exadata family of systems that include various configurations of Exadata X11, and Exadata Expansion Rack. Exadata group also keeps looking into leading edge technology like AI vector Database.

As a member of the software engineering division of Exadata, you will:

- Design and implement the database and Storage IO data path in Oracle Exadata Database Machine.
- Design and implement Exadata Storage Server offload features such as Smart Scan, Smart Backup, Smart File Creation, etc. that are responsible for extreme performance of the Storage Server.
- Implement software designed to be fault tolerant in the presence of unanticipated software failures
- Develop algorithms and distributed systems software that runs on a large Database and Storage cluster
- Work on multiple projects at once in a fast-paced, exciting and rapidly growing environment

Preferred Qualifications:

Degree level (BS/MS/PhD): Bachelors/Masters/PhD
- Major(s): Computer Science/Electrical Engineering
- Programming languages: C/C++ expertise, Java
- Tools, software, etc.: Development experience on Linux
- Preferred coursework: Computer System, Algorithm, Parallel Programming
- Other qualifications: Ability to debug complex systems problems; strong motivation or background to work on parallel and distributed algorithms to scale systems
 

Career Level - IC4

Only Oracle brings together the data, infrastructure, applications, and expertise to power everything from industry innovations to life-saving care. And with AI embedded across our products and services, we help customers turn that promise into a better future for all. Discover your potential at a company leading the way in AI and cloud solutions that impact billions of lives.

True innovation starts when everyone is empowered to contribute. That's why we're committed to growing a workforce that promotes opportunities for all with competitive benefits that support our people with flexible medical, life insurance, and retirement options. We also encourage employees to give back to their communities through our volunteer programs.

We're committed to including people with disabilities at all stages of the employment process. If you require accessibility assistance or accommodation for a disability at any point, let us know by emailing accommodation-request_mb@oracle.com or by calling 1-888-404-2494 in the United States.

Oracle is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans' status, or any other characteristic protected by law. Oracle will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law.

Disclaimer:
Certain U.S. based or U.S. customer or client-facing roles may be required to comply with applicable requirements, such as immunization/occupational health mandates, and/or drug testing requirements.
Range and benefit information provided in this posting are specific to the stated locations only
US: Hiring Range in USD from: $114,600 to $234,600 per annum. May be eligible for bonus, equity, and compensation deferral.
Oracle maintains broad salary ranges for its roles in order to account for variations in knowledge, skills, experience, market conditions and locations, as well as reflect Oracle's differing products, industries and lines of business.
Candidates are typically placed into the range based on the preceding factors as well as internal peer equity.
Oracle US offers a comprehensive benefits package which includes the following:
1. Medical, dental, and vision insurance, including expert medical opinion
2. Short term disability and long term disability
3. Life insurance and AD&D
4. Supplemental life insurance (Employee/Spouse/Child)
5. Health care and dependent care Flexible Spending Accounts
6. Pre-tax commuter and parking benefits
7. 401(k) Savings and Investment Plan with company match
8. Paid time off: Flexible Vacation is provided to all eligible employees assigned to a salaried (non-overtime eligible) position. Accrued Vacation is provided to all other employees eligible for vacation benefits. For employees working at least 35 hours per week, the vacation accrual rate is 13 days annually for the first three years of employment and 18 days annually for subsequent years of employment. Vacation accrual is prorated for employees working between 20 and 34 hours per week. Employees working fewer than 20 hours per week are not eligible for vacation.
9. 11 paid holidays
10. Paid sick leave: 72 hours of paid sick leave upon date of hire. Refreshes each calendar year. Unused balance will carry over each year up to a maximum cap of 112 hours.
11. Paid parental leave
12. Adoption assistance
13. Employee Stock Purchase Plan
14. Financial planning and group legal
15. Voluntary benefits including auto, homeowner and pet insurance
The role will generally accept applications for at least three calendar days from the posting date or as long as the job remains posted.

Career Level - IC4


As a member of the software engineering division of Exadata, you will:

- Design and implement the database and Storage IO data path in Oracle Exadata Database Machine.
- Design and implement Exadata Storage Server offload features such as Smart Scan, Smart Backup, Smart File Creation, etc. that are responsible for extreme performance of the Storage Server.
- Implement software designed to be fault tolerant in the presence of unanticipated software failures
- Develop algorithms and distributed systems software that runs on a large Database and Storage cluster
- Work on multiple projects at once in a fast-paced, exciting and rapidly growing environment


What Oracle employees say

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About Oracle

Sourced by ZipRecruiter

An Oracle career can span industries, roles, Countries and cultures, giving you the opportunity to flourish in new roles and innovate, while blending work life in. Oracle has thrived through 40+ years of change by innovating and operating with integrity while delivering for the top companies in almost every industry. In order to nurture the talent that makes this happen, we are committed to an inclusive culture that celebrates and values diverse insights and perspectives, a workforce that inspires thought leadership and innovation. Oracle offers a highly competitive suite of Employee Benefits designed on the principles of parity, consistency, and affordability. The overall package includes certain core elements such as Medical, Life Insurance, access to Retirement Planning, and much more. We also encourage our employees to engage in the culture of giving back to the communities where we live and do business. At Oracle, we believe that innovation starts with diversity and inclusion and to create the future we need talent from various backgrounds, perspectives, and abilities. We ensure that individuals with disabilities are provided reasonable accommodation to successfully participate in the job application, interview process, and in potential roles. to perform crucial job functions. That's why we're committed to creating a workforce where all individuals can do their best work. It's when everyone's voice is heard and valued that we're inspired to go beyond what's been done before.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Redwood City, CA, US

Year founded

1977

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