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Functional Software Tester Jobs in California (NOW HIRING)

Xpansiv

QA Intern

San Jose, CA

$30 - $35/hr

... functional team environment. * Interest in test automation, APIs, web applications, quality engineering, and reliable software delivery. Preferred Qualifications * Exposure to automated testing tools ...

Xpansiv

QA Intern

San Jose, CA · On-site

$30 - $35/hr

... functional team environment. * Interest in test automation, APIs, web applications, quality engineering, and reliable software delivery. Preferred Qualifications * Exposure to automated testing tools ...

Xpansiv

QA Intern

San Jose, CA

$30 - $35/hr

... functional team environment. * Interest in test automation, APIs, web applications, quality engineering, and reliable software delivery. Preferred Qualifications * Exposure to automated testing tools ...

Apple

Feature Integration Quality Engineer

Cupertino, CA · On-site

$128K - $172K/yr

... testing and coordination of QA efforts. As a member of our fast-paced group, you will have the ... Description In this role, you will test high profile, multi-functional software features on Apple ...

Chipton Ross

Software Engineer-Developer 3

Del Rey, CA · On-site

... testing, and security. * Conduct code reviews to maintain code quality, enforce best practices, and ... Support the creation and translation of design mockups into functional, visually appealing user ...

Chipton Ross

Software Engineer-Developer 4

Del Rey, CA · On-site

... testing, and security. * Conduct code reviews to maintain code quality, enforce best practices, and ... Support the creation and translation of design mockups into functional, visually appealing user ...

Chipton Ross

Software Engineer-Developer 4

Del Rey, CA · On-site

... testing, and security. * Leads code reviews to maintain code quality, enforce best practices, and ... Leads the creation and translation of design mockups into functional, visually appealing user ...

Boeing

Lead Software Systems Engineer

Seal Beach, CA · On-site

Our team works in an Agile and CI/CD environment with automated testing, vulnerability scanning ... Leads the creation and translation of design mockups into functional, visually appealing user ...

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

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

Infographic showing various Functional Software Tester job openings in California as of August 2026, with employment types broken down into 82% Full Time, 13% Part Time, and 5% Contract. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution.

QA Intern

San Jose, CA

Xpansiv
Internet and IT • 201 - 500 employees
Learn more about Xpansivexternal

$30 - $35/hr

Internship

Posted 9 days ago

Key responsibilities

  • Support the design and implementation of automated testing solutions.

  • Develop, maintain, and improve automated test scripts for web user interfaces and backend APIs.

  • Create, execute, and maintain automated functional, integration, and regression test suites.

Job description

Xpansiv is the leading infrastructure provider for the energy transition markets.
 
Our comprehensive platform includes registries, online marketplaces, market execution services, wholesale power solutions, and market data for energy and environmental commodity markets. Trusted worldwide, Xpansiv enables stakeholders to deliver transparent, credible, and auditable environmental claims to address the growing global demand for assurance and accountability on climate action and sustainability performance.
 
From our founding in 2009 through more than 10 acquisitions, Xpansiv has become a global leader in environmental commodity markets.  We are backed by Blackstone and other leading investors.

Position Summary 

Xpansiv is seeking a motivated and detail-oriented Quality Assurance Intern to support the development and expansion of the automated testing framework for the Xpansiv Power platform. Reporting to a Product Manager and working closely with the Head of QA, the broader QA team, and Engineering, the intern will help improve software quality, test coverage, and release reliability across a complex energy market operations platform. 

The intern will contribute to ongoing automation initiatives, help establish effective practices for managing non-production test data and test assets, and develop automated tests that validate backend APIs and web user interface functionality. This internship offers hands-on experience with quality engineering, automation frameworks, cross-functional software delivery, and business-critical technology used in energy markets. 

Key Responsibilities 

  • Collaborate with Product Management, QA, and Engineering teams to support the design and implementation of automated testing solutions. 

  • Develop, maintain, and improve automated test scripts for web user interfaces and backend APIs. 

  • Help define and implement processes for managing non-production test data, test accounts, test assets, and testing environments. 

  • Create, execute, and maintain automated functional, integration, and regression test suites. 

  • Review test results, identify and document defects, and support troubleshooting and defect-resolution efforts. 

  • Assist with validating new features, bug fixes, and software releases against requirements and acceptance criteria. 

  • Contribute to documentation covering testing approaches, standards, frameworks, test cases, and test data management practices. 

  • Work with existing automation tools and frameworks while helping expand test coverage across key platform workflows. 

  • Participate in team ceremonies, planning discussions, test reviews, and release-readiness activities. 

  • Share findings, risks, and recommendations clearly with technical and non-technical stakeholders. 

Qualifications 

  • Currently pursuing an undergraduate or graduate degree in Computer Science, Software Engineering, Information Systems, or a related field. 

  • Coursework, academic projects, or practical experience using a programming language such as Python, JavaScript, C#, Java, or a similar language. 

  • Foundational understanding of the software development lifecycle and software testing concepts. 

  • Strong analytical, problem-solving, organizational, and attention-to-detail skills. 

  • Clear written and verbal communication skills. 

  • Ability to work independently, seek guidance when needed, and collaborate effectively in a cross-functional team environment. 

  • Interest in test automation, APIs, web applications, quality engineering, and reliable software delivery. 

Preferred Qualifications 

  • Exposure to automated testing tools or frameworks such as Cypress, Playwright, Selenium, Rest Assured, or similar technologies. 

  • Familiarity with API testing tools such as Postman or SoapUI. 

  • Experience with source control tools such as Git. 

  • Basic understanding of web technologies, REST APIs, databases, microservices, or continuous integration and delivery pipelines. 

  • Experience contributing to a team-based academic, internship, or software development project. 

  • Interest in energy markets, sustainability, regulated technology platforms, or data-intensive applications. 

What Success Looks Like 

  • Automated test coverage is expanded across priority Xpansiv Power workflows. 

  • Test scripts are reliable, maintainable, clearly documented, and aligned with team standards. 

  • Non-production test data and test assets are organized and managed through consistent, repeatable practices. 

  • Defects and quality risks are identified early, documented clearly, and communicated promptly. 

  • Product, QA, and Engineering partners receive dependable support during feature validation and release preparation. 

Compensation:
The anticipated hourly pay range for this internship is $20–$25 per hour for undergraduate students and $30–$35 per hour for graduate‑level students, based on a good‑faith estimate. Actual pay within these ranges may vary based on academic level, skills, and relevant experience, in accordance with applicable pay transparency laws.

Here at Xpansiv, we cultivate diversity, celebrate individuality, and believe unique perspectives are key to our collective success in building trust and transparency in global efforts toward net-zero future. Xpansiv is committed to equal employment opportunity regardless of race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, protected veteran status, or any status protected by applicable federal, state, or local law.
 
Note to Recruiters: Xpansiv does not accept unsolicited resumes or referrals from placement agencies, staffing vendors or other external parties seeking recruiting fees without a signed formal agreement.