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Java Developer Volunteer Jobs in Los Angeles, CA

Masimo

Sr Engineer, Software Automation

Irvine, CA · On-site

$100K - $130K/yr

Proficiency in Java and Python for automation scripting * Strong knowledge of networking protocols ... voluntary Accident, Critical Illness, Hospital, Long-Term Care, Employee Assistance Program, Pet ...

Masimo

Sr Engineer, Software Automation

Irvine, CA · On-site

$100K - $130K/yr

Proficiency in Java and Python for automation scripting * Strong knowledge of networking protocols ... voluntary Accident, Critical Illness, Hospital, Long-Term Care, Employee Assistance Program, Pet ...

PDS Health

Engineer II, Full Stack Innovations

Irvine, CA · On-site

$125 - $150/hr

Collaborate with cross-functional teams to implement DevOps practices, including Continuous ... Proficient in multiple programming languages such as C#, Rust, Java, or similar, and proficiency in ...

PDS Health

Engineer I, Full Stack Innovations

Irvine, CA · On-site

$100 - $125/hr

Collaborate with cross-functional teams to implement DevOps practices, including Continuous ... Experience in multiple programming languages such as C#, Rust, Java, or similar, and proficiency in ...

Masimo

Engineer II, Software Automation

Irvine, CA · On-site

$80K - $105K/yr

Experience with automated testing tools and scripting languages (Python, C#, C++, Java, or similar ... voluntary Accident, Critical Illness, Hospital, Long-Term Care, Employee Assistance Program, Pet ...

Masimo

Engineer II, Software Automation

Irvine, CA · On-site

$80K - $105K/yr

Experience with automated testing tools and scripting languages (Python, C#, C++, Java, or similar ... voluntary Accident, Critical Illness, Hospital, Long-Term Care, Employee Assistance Program, Pet ...

NEOTECH

Test Engineer I (24522)

Chatsworth, CA · On-site

Exposure and understanding of common programming languages and platforms. (C++, C#, Java, Perl ... voluntary supplemental insurances, flexible spending accounts and employee assistance program (EAP)

NEOTech

Test Engineer I (24522)

Chatsworth, CA · On-site

$75K - $85K/yr

Exposure and understanding of common programming languages and platforms. (C++, C#, Java, Perl ... voluntary supplemental insurances, flexible spending accounts and employee assistance program (EAP)

SCAN Group

Senior Staff Software Engineer

Long Beach, CA · On-site

$150 - $200/hr

Strong expertise in developing scalable integration layers using Java, .Net APIs, and healthcare ... volunteer daysExcellent 401(k) Retirement Saving Plan with employer matchRobust employee ...

AXS

Sr. Software Engineer

Los Angeles, CA · On-site

$132K - $174K/yr

NET Core, or a Java background with willingness to work primarily in C#. * Proven experience ... Access to meaningful volunteer opportunities and community engagement programs to make a positive ...

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All JobsJava Developer Volunteer JobsJava Developer Volunteer Jobs in Los Angeles, CA

Java Developer Volunteer information

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How much do java developer volunteer jobs pay per hour?

As of Sep 9, 2026, the average hourly pay for java developer volunteer in Los Angeles, CA is $61.09, according to ZipRecruiter salary data. Most workers in this role earn between $52.84 and $68.37 per hour, depending on experience, location, and employer.

What is a Java Developer Volunteer?

A Java Developer Volunteer role involves contributing to software development projects without financial compensation. Volunteers typically assist in coding, debugging, testing, and maintaining Java-based applications for nonprofits, open-source projects, or startups. This role helps developers gain experience, build portfolios, and support meaningful initiatives while collaborating with teams.

What are the key skills and qualifications needed to thrive as a Java Developer Volunteer?

To excel as a Java Developer Volunteer, you should have a solid grasp of Java programming, object-oriented design, and version control systems, often demonstrated through coursework, certifications, or hands-on project experience. Familiarity with tools like Eclipse or IntelliJ IDEA, build systems (Maven or Gradle), and collaborative platforms such as GitHub is commonly expected. Strong communication, teamwork, and a willingness to learn set exceptional volunteers apart. These skills and qualities ensure you can contribute effectively to projects, adapt to dynamic team needs, and make the most meaningful impact in volunteer settings.

What types of projects or tasks can I expect to work on as a Java Developer Volunteer?

As a Java Developer Volunteer, you might work on a range of projects, such as developing new software features, fixing bugs, writing unit tests, or helping maintain existing Java applications for nonprofits or community organizations. You could also assist in documentation, code reviews, or collaborating on open-source initiatives, depending on the organization's needs. These roles often provide exposure to agile development practices and teamwork with other engineers, designers, and project managers. Volunteering in this capacity not only helps worthwhile causes but also allows you to expand your portfolio and gain practical experience with real-world applications.

Is Java developer still in demand?

Java developers remain in high demand due to the language's widespread use in enterprise applications, Android development, and backend systems. Skills in frameworks like Spring and knowledge of cloud platforms can enhance job prospects in this field.

What are the most commonly searched types of Java Developer jobs in Los Angeles, CA?

The most popular types of Java Developer jobs in Los Angeles, CA are:

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Java Developer Volunteer jobs near you

Sr Engineer, Software Automation

Irvine, CA • On-site

Masimo
Medical Equipment and Supplies Manufacturing • 1 - 5K employees
Learn more about Masimoexternal

$100K - $130K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

This job post has expired 1 day ago. Applications are no longer accepted.

Key responsibilities

  • Design, develop, and maintain automated test suites for applications, mobile platforms, and cloud services/APIs.

  • Execute and analyze manual and automated test cases, troubleshoot issues using test results and logs, and validate system behavior in secure networking environments.

  • Collaborate with engineering, QA, DevOps, and security teams to ensure comprehensive testing coverage and contribute to CI/CD pipelines.

Job description


Job Summary:
The Sr Engineer, Software Automation is responsible for designing, developing, and maintaining automation frameworks to ensure the quality, security, and performance of on-premises server-client applications, mobile platforms (Android and iOS), and cloud-based services. This role requires expertise in test automation, networking, system-level validation, and secure software practices. The successful candidate will collaborate cross-functionally to validate complex, interconnected systems and drive continuous improvement in testing and product quality.
Please note this is an onsite position at our Irvine, CA. office.
Duties & Responsibilities:
  • Design, develop, and maintain automated test suites for on-premises applications, mobile platforms, and cloud services/APIs.
  • Execute and analyze manual and automated test cases; troubleshoot issues using test results and logs.
  • Validate system behavior in secure networking environments, ensuring alignment with cybersecurity best practices.
  • Collaborate with engineering, QA, DevOps, and security teams to ensure comprehensive coverage of functional, performance, and security testing.
  • Build and manage complex test environments including physical infrastructure, mobile devices, and cloud/virtualized components.
  • Identify and report potential security vulnerabilities in partnership with internal security and compliance teams.
  • Contribute to CI/CD pipelines and integrate automation into development workflows.
  • Document test strategies, execution results, and recommendations for quality improvements.
  • Mentor junior engineers and promote a culture of quality, security, and continuous learning.

Minimum Qualifications:
  • 5+ years of experience in software engineering or test automation
  • Proficiency in Java and Python for automation scripting
  • Strong knowledge of networking protocols and systems (e.g., TCP/IP, DNS, DHCP, HTTP/S)
  • Experience with mobile testing tools (e.g., Appium, Espresso, XCUITest)
  • Hands-on experience testing cloud applications and APIs (AWS, Azure, GCP, or private cloud)
  • Familiarity with cybersecurity principles and secure coding/testing practices
  • Experience working in secure network or compliance-driven environments
  • Strong analytical, problem-solving, and communication skills

Preferred Qualifications:
  • Master's degree in Computer Science, Engineering, Cybersecurity, or related field
  • Experience with security testing tools and practices (e.g., static/dynamic analysis, vulnerability scanning, OWASP Top 10)
  • Knowledge of authentication, authorization, encryption, and secure communications
  • Hands-on experience with API security testing (e.g., Postman, REST Assured, OWASP ZAP)
  • Familiarity with DevSecOps practices and integrating security into CI/CD pipelines
  • Experience with performance, load, or penetration testing
  • Background in Agile/Scrum development environments

Education: Bachelor's degree in Computer Science, Software Engineering, or related field.
Compensation: The anticipated range for this position is $100,000 - $130,000. Actual placement within the range is dependent on multiple factors, including but not limited to skills, education, and experience. This position also qualifies for up to 10% annual bonus based on Company, department, and individual performance. Masimo offers benefits such as Medical, Dental, Vision, Life/AD&D, Disability Insurance, 401(k), Vacation, Sick, Holiday, Paid Maternity Leave, Flexible Spending Accounts, voluntary Accident, Critical Illness, Hospital, Long-Term Care, Employee Assistance Program, Pet Insurance, on-site Wellness Clinic, Fitness Center, Café. All benefits are subject to eligibility requirements.
Physical requirements/Work Environment:
This position primarily works in an office environment. It requires frequent sitting, standing and walking. Daily use of a computer and other computing and digital devices is required. May stand for extended periods when facilitating meetings or walking in the facilities.
The physical demands of the position described herein are essential functions of the job and employees must be able to successfully perform these tasks for extended periods. Reasonable accommodation may be made for those individuals with disabilities to perform the essential functions of the job described.
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About Masimo

Sourced by ZipRecruiter

Industry

Medical equipment and supplies manufacturing

Company size

1,001 - 5,000 Employees

Headquarters location

Irvine, CA, US

Year founded

1989

Social media

Twitter

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