ZipRecruiter

Log In

1

Volunteer Software Tester Jobs in California (NOW HIRING)

Radiant Industries

Software Engineer (HIL)

El Segundo, CA · On-site

$110 - $165/hr

Strong understanding of control fundamentals and software testing processes. * Experience with ... Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee ...

Vertex Sigma Software

Software Engineer

Foster City, CA · On-site

$100 - $150/hr

Experience with build systems, version control, and testing methodologies. Bonus Qualifications ... Life Insurance (Basic, Voluntary & AD&D) * Paid Time Off (Vacation, Sick & Public Holidays)

TEKsystems

Automation Tester

Cupertino, CA

$45/hr

Understanding of software testing fundamentals and mobile SDKs/APIs. * Ability to interpret test ... Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term ...

New

TEKsystems

Automation Tester

Cupertino, CA

$45/hr

Understanding of software testing fundamentals and mobile SDKs/APIs. * Ability to interpret test ... Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term ...

New

Masimo

Sr Engineer, Embedded GUI Software

Irvine, CA · On-site

$120K - $170K/yr

Contribute to software testing and validation, supporting stable and reliable device behavior ... Accounts, voluntary Accident, Critical Illness, Hospital, Long-Term Care, Employee Assistance ...

KLA-Belgium

Software Quality Engineer

Milpitas, CA · On-site

$95 - $162/hr

Own the end-to-end testing activities for key project features as an individual contributor ... voluntary benefits, 401(K) including company matching, employee stock purchase program (ESPP ...

New

Masimo

Sr Engineer, Embedded GUI Software

Irvine, CA · On-site

$120K - $170K/yr

Contribute to software testing and validation, supporting stable and reliable device behavior ... Accounts, voluntary Accident, Critical Illness, Hospital, Long-Term Care, Employee Assistance ...

KLA Corporation

Software Quality Engineer

Milpitas, CA · On-site

$95K - $161K/yr

Own the end-to-end testing activities for key project features as an individual contributor ... voluntary benefits, 401(K) including company matching, employee stock purchase program (ESPP ...

TEKsystems

Software Engineer (C++)

Redondo Beach, CA

$50 - $85/hr

Ensure software quality, reliability, and performance through rigorous testing and validation ... Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term ...

Actalent

Flight Software Engineer

Huntington Beach, CA

$65 - $90/hr

Support software testing and validation activities on flight hardware to ensure mission readiness ... Life Insurance (Voluntary Life & AD&D for the employee and dependents) * Short and long-term ...

New

next page

Showing results 1-20

All JobsVolunteer Software Tester JobsVolunteer Software Tester Jobs in California

Volunteer Software Tester information

See California salary details

$18

$42

$69

How much do volunteer software tester jobs pay per hour?

As of Aug 21, 2026, the average hourly pay for volunteer software tester in California is $42.94, according to ZipRecruiter salary data. Most workers in this role earn between $32.98 and $51.73 per hour, depending on experience, location, and employer.

What is a volunteer software tester?

A Volunteer Software Tester is an individual who helps test software applications for bugs, usability issues, and overall functionality without monetary compensation. They assist developers and quality assurance teams by providing feedback on software performance, ensuring it meets required standards before release. This role is often taken by aspiring testers, students, or tech enthusiasts looking to gain experience in software testing. Volunteers typically report issues, suggest improvements, and may participate in beta testing or user experience evaluations.

What types of projects and tasks can I expect to work on as a volunteer software tester?

As a Volunteer Software Tester, you may be involved in testing websites, mobile apps, or internal tools for nonprofit organizations, startups, or community projects. Your daily tasks could include executing test cases, reporting bugs, providing feedback on usability, and documenting your findings for the development team. You'll likely work closely with both developers and other volunteer testers, typically using collaborative tools and participating in team meetings or online discussions. This hands-on experience allows you to expand your technical skills, build your portfolio, and contribute to meaningful causes, all while gaining valuable insight into the software development lifecycle.

What are the key skills and qualifications needed to thrive as a volunteer software tester?

To thrive as a Volunteer Software Tester, you should have a basic understanding of software development and testing concepts, with experience in manual testing being especially helpful. Familiarity with bug tracking tools (like Jira) and testing frameworks, along with any online certifications in software testing, can strengthen your contributions. Strong attention to detail, effective communication, and the ability to collaborate within a team are important soft skills. These qualifications ensure that software issues are identified and reported accurately, leading to higher software quality and a productive volunteer experience.

What are the most commonly searched types of Software Tester jobs in California?

The most popular types of Software Tester jobs in California are:

What are popular job titles related to Volunteer Software Tester jobs in California?

For Volunteer Software Tester jobs in California, the most frequently searched job titles are:

What job categories do people searching Volunteer Software Tester jobs in California look for?

The top searched job categories for Volunteer Software Tester jobs in California are:

What cities in California are hiring for Volunteer Software Tester jobs?

Cities in California with the most Volunteer Software Tester job openings:

Volunteer Software Tester jobs near you
Infographic showing various Volunteer Software Tester job openings in California as of August 2026, with employment types broken down into 1% As Needed, 90% Full Time, 6% Part Time, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $89,305 per year, or $42.9 per hour.

Croatian Linguistic Lead Tester in Cupertino, CA

Welo Data

Cupertino, CA

$40/hr

Full-time

Posted 8 days ago

Job description

About Welocalize 

Welocalize, a Welo Global brand, serves localization teams through AI-enabled multilingual content solutions that enable enterprises to operate and scale globally. Welocalize combines AI, automation, and human expertise to support enterprises in more than 300 languages, enabling accurate, culturally aligned, and compliant multilingual content at scale.
 
Welocalize’s Opal Platform comprises patented technology designed to automate multilingual content and improve workflow performance for enterprises. Opal functions as an agentic system that orchestrates AI, automation, and human expertise to coordinate content workflows across the lifecycle, improving speed, scalability, and operational control for global enterprises. These solutions operate within a secure and compliant environment supported by seven ISO certifications. Welocalize is headquartered in New York with offices worldwide. welocalize.com 

ROLE OVERVIEW
 
We are looking for a Croatian Linguistic Lead Tester to join a long-term project in Cupertino, CA.
 
As a Linguistic Lead Tester, you’ll help bring high-quality Croatian content to life and ensure it feels natural, accurate, and polished for end users. The Onsite Lead Tester is responsible for the overall quality of their language at an account level, as well as the main point of contact for Language Leads.
 
This role is ideal for someone with native-level fluency in Croatian, fluency in English, and strong communication skills. We’re looking for someone who is comfortable working with customers and stakeholders at different levels, can provide clear, concise, and constructive feedback, and confidently present information and respond to questions from managers, clients, customers, and linguists. The ideal candidate also enjoys supporting and training others, sharing knowledge, and helping the team grow, and is available to work full-time.
 
MAIN RESPONSIBILITIES
  • Linguistic tasks
  • Coordination of the linguistic team, like for example:
  • Reviews copy and gives feedback to testers; communicates feedback received from the client
  • Supports testers in understanding corrections resulting from the arbitration process
  • Acts as liaison for terminology, style issues, product features & questions
  • Supports the onboarding of new testers
  • Identifies linguistic-specific training needs for the language; creates, maintains, and delivers the linguistic training program
  • Quality management planning and execution
  • Client engagement
  • Linguistic assets management
  • Complete assigned tasks in a quality and timely manner.
 
REQUIREMENTS
Onsite in our offices in Cupertino, CA.
W-2 (eligible for benefits based on hours worked).
Monday-Friday (8:30 am - 4:30 pm, with a 1-hour lunch break, 35 hours per week).
To be eligible for this role, you’ll need a valid visa permitting you to work in the USA.
 
IDEAL BACKGROUNDS: Marketing, Journalism, Copy Editing, Proofreading, Writing, Translation, and/or Localization
 
Benefits:
▪️ Accident, Critical Illness, Hospital Indemnity Insurance
▪️ Telemedicine Benefit
▪️ Paid Sick Time
▪️ Paid Holiday
▪️ Employee Assistance Program
 
Following the eligibility requirements:
▪️ Medical Insurance
▪️ Dental Insurance
▪️ Vision Insurance
▪️ HSA
▪️ Voluntary Life Insurance
▪️ 401(k) Retirement Plan
 
 
Hourly rate: $40
 
Job Reference: #LI-JC1

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Working at Welo Data

What to expect from working at Welo Data

From Welo Data

About Welo Data, in their own words

From Welo Data

Welo Data is a global AI data services company powering the next generation of AI. We build, annotate, and validate the training datasets that make AI models accurate, safe, and ready for the real world — across languages, cultures, and domains.

Our team of experts spans the globe, combining deep technical knowledge with a human-centered approach. If you want your work to shape how AI understands the world, you'll find your place here.

Diversity and inclusion statement

From Welo Data

Our Strength is derived from Winning Together. Welo Data is unequivocally committed to developing and fostering a workplace and organizational culture that values the diversity of thought and perspective delivered by a diverse global workforce operating within an inclusive organization.