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Volunteer Java Jobs in San Jose, CA (NOW HIRING)

Align Technology

Software Engineer

San Jose, CA · On-site

$141K - $194K/yr

Strong experience in Java (preferably 17 or later), Spring, Spring boot microservices, Web services ... Voluntary Supplemental Life Insurance for Employee, Spouse/Domestic Partner, and Child(ren) are ...

County of Alameda

Information Systems Analyst

Oakland, CA · On-site

$55.85 - $74.84/hr

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 ...

Rejuvenation

Lead Software Engineer

San Jose, CA

$135K - $165K/yr

Writes high-quality, hands-on code using Java, Spring Boot, RESTful web services, JPA, and related ... Paid vacations, holidays, and time off to volunteer * Health benefits, dental and vision insurance ...

TEKsystems

Software Development Engineer

San Jose, CA

$70 - $80/hr

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 ...

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See San Jose, CA salary details

$18

$66

$90

How much do volunteer java jobs pay per hour?

As of Aug 7, 2026, the average hourly pay for volunteer java in San Jose, CA is $66.45, according to ZipRecruiter salary data. Most workers in this role earn between $57.45 and $74.38 per hour, depending on experience, location, and employer.

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.

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 are the most commonly searched types of Java jobs in San Jose, CA? The most popular types of Java jobs in San Jose, CA are:
What are popular job titles related to Volunteer Java jobs in San Jose, CA? For Volunteer Java jobs in San Jose, CA, the most frequently searched job titles are:
What job categories do people searching Volunteer Java jobs in San Jose, CA look for? The top searched job categories for Volunteer Java jobs in San Jose, CA are:
What cities near San Jose, CA are hiring for Volunteer Java jobs? Cities near San Jose, CA with the most Volunteer Java job openings:
Volunteer Java jobs near you
Infographic showing various Volunteer Java job openings in San Jose, CA as of July 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $138,214 per year, or $66.4 per hour.

Full Stack Developer Contractor: Java/Angular Lead

CSI Companies

Pleasanton, CA • On-site

$58.25 - $75.25/hr

Other

Medical, Dental, Vision, Life

Posted 6 days ago

Job description

CSI Companies is seeking an experienced Tech Lead (Full Stack Engineer) to lead the design, development, and delivery of scalable, secure, and high performing enterprise applications. This role focuses on full stack development, microservices architecture, DevOps practices, cloud technologies, and modern application development within a collaborative enterprise environment.

This opportunity is ideal for a hands on technical leader who enjoys mentoring development teams, driving engineering best practices, and delivering enterprise scale solutions while working closely with business and technical stakeholders.

You will provide technical leadership across the full software development lifecycle and support modernization initiatives, including AI enabled solutions and cloud native architectures.

Hours: Standard business hours

Location: Onsite in Pleasanton California

Pay: Competitive rate based on experience, credentials, and education

Position Type: Consultant

Work Authorization

Candidates must be authorized to work in the United States and eligible for W2 employment. Limited sponsorship may be available based on client requirements. No corp to corp arrangements are available.

What you will do

• Lead the design, development, integration, and deployment of enterprise web applications and microservices

• Provide technical leadership, mentorship, and guidance to development teams

• Collaborate with project managers, stakeholders, and technical teams to deliver enterprise solutions

• Develop applications using Java, JavaScript, Angular, Spring Boot, React, Node.js, MySQL, PostgreSQL, MongoDB, Docker, GitHub, and IAM technologies

• Design and support REST and SOAP services using modern microservices architectures

• Ensure solutions are scalable, secure, maintainable, and aligned with engineering best practices

• Drive adoption of CI and CD processes, automated testing, secure development practices, and software quality standards

• Collaborate with onsite, offshore, and global development teams

• Troubleshoot complex technical issues and support production deployments

• Evaluate emerging technologies and recommend innovative solutions

• Support AI and LLM integrations while ensuring compliance with governance requirements

• Deliver technical demonstrations and present solution recommendations to stakeholders

What we are looking for

• Bachelor’s degree in Computer Science, Information Technology, Computer Engineering, or related field, or equivalent experience

• 7 or more years of experience developing and delivering enterprise web applications

• 7 or more years of experience as a Java Full Stack Developer

• Strong experience with Java, JavaScript, Angular, HTML, Spring Boot, React, and Node.js

• Experience developing REST and SOAP services using microservices architectures

• Strong experience with MySQL, MongoDB, PostgreSQL, GitHub, Docker, and Identity and Access Management technologies

• Strong DevOps experience including GitHub Actions, Bamboo, SonarQube, CI and CD pipelines, and deployment automation

• Experience developing responsive web applications and integrating third party APIs

• Strong knowledge of software engineering best practices including code reviews, refactoring, automated testing, and secure coding

• Strong analytical and problem solving skills

• Excellent written, verbal, and interpersonal communication skills

• Experience working with offshore and India based development teams

• Ability to understand and implement AI enabled solutions

• Ability to work independently with minimal supervision

• Ability to work onsite in Pleasanton California

• Ability to travel up to 10 percent as needed

Nice to have

• Experience with Kubernetes

• Experience with Azure cloud services

• Experience with Azure database technologies

• Familiarity with Backend for Frontend microservices architecture

• Experience working in Agile development environments

• Experience with JUnit, SOAPUI, Postman, and JMeter

• Experience leading engineering teams and mentoring developers

• Experience designing enterprise scale microservices solutions

• Experience supporting cloud modernization initiatives

• Knowledge of AI enabled application architectures

Who Should Apply

This role is ideal for a senior full stack engineer who enjoys leading technical teams, building enterprise applications, driving cloud and DevOps initiatives, and influencing architecture decisions across complex environments.

About Us

The CSI Companies is a leading staffing and recruiting firm providing organizations with highly skilled professionals since 1994. We have been recognized as a Best of Staffing award winner for over a decade and pride ourselves on delivering exceptional talent nationwide.

Benefits Offered

• Weekly pay

• Medical dental and vision coverage

• Voluntary life and AD and D coverage

• Paid training

• Opportunity for advancement upon performance and availability

Apply