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Software Tester Jobs in Riverside, CA (NOW HIRING)

Masimo

Sr Engineer, Embedded GUI Software

Irvine, CA · On-site

$120K - $170K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Contribute to software testing and validation, supporting stable and reliable device behavior. * Collaborate in a fast-paced, cross-disciplinary development environment. Required Qualifications:

Masimo

Sr Engineer, Embedded GUI Software

Irvine, CA

$120K - $170K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Contribute to software testing and validation, supporting stable and reliable device behavior. * Collaborate in a fast-paced, cross-disciplinary development environment. Required Qualifications:

loanDepot

Sr. SDET (Selenium/Automation)

Irvine, CA · On-site

  • Medical

  • Dental

  • Vision

  • PTO

The Senior Software Development Engineer in Test is responsible for designing, developing, and maintaining automated testing solutions that improve software quality, reduce production risk, and ...

loanDepot

Sr. SDET (Selenium/Automation)

Irvine, CA · On-site

  • Medical

  • Dental

  • Vision

  • PTO

The Senior Software Development Engineer in Test is responsible for designing, developing, and maintaining automated testing solutions that improve software quality, reduce production risk, and ...

loanDepot

Sr. SDET (Selenium/Automation)

Irvine, CA

  • Medical

  • Dental

  • Vision

  • PTO

The Senior Software Development Engineer in Test is responsible for designing, developing, and maintaining automated testing solutions that improve software quality, reduce production risk, and ...

Softtek

Performance Tester

Irvine, CA

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Performance Tester Position Type: Full time Softtek Integration Systems offers excellent benefits ... Application-Related Services Business Process Outsourcing IT Infrastructure Support Software ...

Softtek

Performance Tester

Irvine, CA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Performance Tester Position Type: Full time Softtek Integration Systems offers excellent benefits ... Software Products and Associated Services Customers: * Softtek is a preferred service provider for ...

Esri

Software Development Engineer I - Analytics

Redlands, CA · On-site

$79K - $133K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Coordinate testing tasks with software testers, including running unit and confidence tests, to ensure high quality development free of defects Requirements * 1+ years of professional experience ...

New

Fender

Tune Tester

Corona, CA · On-site

$18 - $19/hr

  • Medical

  • Dental

  • Retirement

  • PTO

We are searching for a Tune Tester to join the team. The Guitar Tune Tester will be responsible for providing a complete guitar inspection to include trouble shooting and quality for possible ...

USM

SDET------Need GC and USC-----Need Locals

Irvine, CA

$53.75 - $69.25/hr

Talent and expertise in white box testing. Knowledge of test methodology and tools, software testing standards, methods and conventions, build systems, and the product development cycle. Strong ...

M S International Inc.

Software Programmer II

Orange, CA · On-site

$43 - $47/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Software programmer is responsible for designing, coding, testing, and maintaining software applications. Write efficient and scalable code, collaborate with team members to develop software ...

Esri

C/C++ Software Development Engineer II

Redlands, CA · On-site

$101K - $167K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Understanding and experience with software testing patterns and fundamentals * Strong grasp of operating systems concepts and computer security fundamentals * Proficiency in debugging ...

Esri

C/C++ Software Development Engineer II

Redlands, CA · On-site

$101K - $167K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Understanding and experience with software testing patterns and fundamentals * Strong grasp of operating systems concepts and computer security fundamentals * Proficiency in debugging ...

Staffactory

Software Developer

San Bernardino, CA · On-site

$50 - $60/hr

Software Developer Location: San Bernardino, CA. Work Environment: This position will be Hybrid ... Experience with Azure DevOps * Unit testing + Moq + integration testing experience * Legacy ...

idexcel

Senior Software Engineer

Irvine, CA · On-site

$131K - $173K/yr

Experience in all phases of software development lifecycle: requirements analysis, tech design, implementation, code review, testing, and release. Qualifications Required Competencies: 3-5+ years ...

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Showing results 21-40

All JobsSoftware Tester JobsSoftware Tester Jobs in Riverside, CA

Software Tester information

See Riverside, CA salary details

$20

$45

$72

How much do software tester jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for software tester in Riverside, CA is $45.39, according to ZipRecruiter salary data. Most workers in this role earn between $34.86 and $54.66 per hour, depending on experience, location, and employer.

What is a software tester?

A software tester conducts the QA (quality assurance) testing phase of the project lifecycle. Responsibilities include examining software or websites as a user would—as it will be used post-release. During these test cases, the software tester records any issues (“bugs”) and reports them to the development team so they can be fixed. A software tester explores the software with a critical mindset, assesses the functionality and overall experience, and reports their findings.

What are the key skills and qualifications needed to thrive as a software tester, and why are they important?

To thrive as a Software Tester, you need a solid understanding of software development life cycles, attention to detail, and knowledge of testing methodologies, often supported by a degree in computer science or related certifications. Familiarity with testing tools such as Selenium, JIRA, and experience with automated and manual testing systems is typically required. Strong analytical thinking, effective communication, and problem-solving skills help testers identify, document, and resolve issues efficiently. These skills ensure software quality, minimize defects, and contribute to successful product releases.

What are some common challenges software testers face when collaborating with developers, and how can these be effectively addressed?

Software testers often encounter challenges such as communication gaps with developers, differences in understanding requirements, and tight deadlines for bug fixes. These issues can lead to misunderstandings about defect severity or unclear expectations regarding test coverage. Effective strategies include maintaining open, respectful communication, participating in agile ceremonies like daily stand-ups, and using collaborative tools to track issues and share feedback. Building strong professional relationships and fostering a culture of mutual respect greatly enhances teamwork and leads to higher-quality software.

What is the difference between Software Tester vs QA Analyst?

AspectSoftware TesterQA Analyst
CertificationsISTQB, CSTEISTQB, CSTE
Work EnvironmentTesting teams, development projectsQuality assurance teams, project management
Industry UsageSoftware companies, IT firmsSoftware companies, IT firms
Primary FocusExecuting test cases, finding bugsDesigning test plans, process improvement

While both Software Testers and QA Analysts work to ensure software quality, Software Testers primarily focus on executing test cases and identifying bugs. QA Analysts take a broader role in designing testing strategies and improving quality processes. Both roles require similar certifications and are integral to software development teams, but their responsibilities differ in scope and focus.

How much do software testers get paid?

Software testers' salaries vary based on experience, location, and industry, but the average annual pay ranges from $50,000 to $80,000. Entry-level testers typically earn less, while those with specialized skills or certifications can earn higher salaries, especially in competitive markets or with experience in automation tools.

Is a software tester a difficult job?

A software tester's job involves identifying bugs and verifying software functionality, which can be challenging depending on project complexity and deadlines. It requires attention to detail, knowledge of testing tools, and often involves repetitive tasks, but it can be manageable with experience and proper training.

Is software testing still in demand?

Software testing remains in demand as companies prioritize quality assurance and software reliability. Testers with skills in automation tools like Selenium and scripting are especially sought after, and the role is expected to grow with ongoing technological advancements.
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For Software Tester jobs in Riverside, CA, the most frequently searched job titles are:

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The top searched job categories for Software Tester jobs in Riverside, CA are:

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Cities near Riverside, CA with the most Software Tester job openings:

Software Tester jobs near you
Infographic showing various Software Tester job openings in Riverside, CA as of August 2026, with employment types broken down into 1% As Needed, 85% Full Time, 10% Part Time, and 4% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $94,406 per year, or $45.4 per hour.

Sr Engineer, Embedded GUI Software

Masimo

Irvine, CA • On-site

$120K - $170K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 17 hours ago

Job description


Job Summary:
As a Sr Instrument Software Engineer, you will design, develop, and maintain high-performance graphical applications for next-generation patient monitoring devices. This role leverages strong expertise in C++ development, computer graphics, and interactive UI systems to build reliable, efficient, and visually intuitive user interfaces. You will work on performance-critical software, collaborate closely with cross-functional teams, and contribute throughout the full software lifecycle-from design and implementation to testing and documentation.
Day to day:
  • Design and develop C++-based GUI applications and visualization tools for embedded medical devices.
  • Implement and maintain graphics-driven user interfaces, balancing usability, performance, and memory constraints.
  • Build and optimize runtime systems, data formats, and serialization pipelines to support responsive UI behavior.
  • Apply strong multithreading, memory management, and performance optimization principles.
  • Participate in peer design and code reviews, ensuring software quality and maintainability.
  • Produce clear software documentation and technical specifications.
  • Contribute to software testing and validation, supporting stable and reliable device behavior.
  • Collaborate in a fast-paced, cross-disciplinary development environment.

Required Qualifications:
  • Strong fundamentals in computer graphics and real-time rendering concepts.
  • 5+ years of C++ software development experience in performance-critical systems.
  • Hands-on experience with GUI design and development, including visual tooling and user-facing interfaces.
  • Solid understanding of operating system concepts, including scheduling, memory management, and multi-threading.
  • Experience with software configuration management tools (Git, Jira-style workflows).
  • Excellent analytical, problem-solving, and debugging skills.
  • Strong verbal and written communication skills.
  • Ability to excel in a dynamic, fast-moving development environment.
  • BS or MS degree in Computer Science, Electrical Engineering, or a related field.
  • Ability to work onsite Monday - Friday in Irvine, CA.

Preferred Qualifications:
  • Experience with Qt / QML or similar GUI frameworks.
  • Experience with OpenGL / OpenGL ES and shading languages (GLSL).
  • Background in GPU-accelerated or graphics-intensive applications.

Education:
  • BS or MS degree in Computer Science or Engineering

Compensation:
The anticipated salary range for this position is $120,000 - $170,000 plus benefits. 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.
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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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