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Senior Software Tester Jobs in Riverside, CA (NOW HIRING)

Abbott

Sr. Software Engineer R&D

Lake Forest, CA · On-site

$129K - $171K/yr

The Opportunity The Sr Software Engineer hired in this role will work out of the Irving, TX ... Support testing efforts to verify that software meets requirements, follows quality standards, and ...

Abbott

Sr. Software Engineer R&D

Lake Forest, CA

$129K - $171K/yr

The Opportunity The Sr Software Engineer hired in this role will work out of the Irving, TX ... Support testing efforts to verify that software meets requirements, follows quality standards, and ...

Alteryx, Inc.

Sr. Software Engineer, Dataplane

Irvine, CA · On-site

$118K - $154K/yr

Senior Software Engineering - Dataplane We are looking for a Senior Software Engineer to join our ... Experience with testing, CI/CD pipelines, Git, and modern software development practices. * Ability ...

First American

Senior Software Engineer

Santa Ana, CA · On-site +1

$127K - $168K/yr

As a Senior Software Engineer, you will lead projects as part of a small, focused engineering ... Code: You will be an active contributor to the codebase, designing, developing, testing, and ...

AVEVA Denmark

Senior Software Engineer

Irvine, CA · On-site

$112K - $150K/yr

Job Title Senior Software Engineer Location Irvine, CA Employment Type Full‑time Key ... Exposure to Python scripting and automated testing frameworks. Salary Range $112,800.00 - $150,500 ...

First American

Senior Software Engineer

Santa Ana, CA · On-site +1

$127K - $168K/yr

As a Senior Software Engineer, you will lead projects as part of a small, focused engineering ... Code: You will be an active contributor to the codebase, designing, developing, testing, and ...

Noor Staffing Group

SDET, Remote opportunity

Irvine, CA · On-site +1

$130K - $145K/yr

Senior SDET, Automation Quality and Test Engineering Position: Senior SDET Location: Hybrid if ... Experience testing complex multi-system integrations including mocking, contract testing, and test ...

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Senior Software Tester information

See Riverside, CA salary details

$30

$55

$78

How much do senior software tester jobs pay per hour?

As of Sep 13, 2026, the average hourly pay for senior software tester in Riverside, CA is $55.48, according to ZipRecruiter salary data. Most workers in this role earn between $49.66 and $63.22 per hour, depending on experience, location, and employer.

What is a senior software tester?

Senior Software Testers are experienced professionals responsible for designing, implementing, and executing tests to ensure the quality and functionality of software applications. They lead testing efforts, mentor junior testers, and collaborate closely with developers to identify and resolve issues. Senior Software Testers also help define testing strategies, develop automated test scripts, and contribute to continuous improvement in software development processes. Their expertise helps ensure that released software meets both technical requirements and user expectations.

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

To thrive as a Senior Software Tester, you need expertise in software testing methodologies, test case design, and defect management, typically supported by a degree in computer science or a related field and several years of experience. Familiarity with automation tools (such as Selenium or JUnit), bug tracking systems, and relevant certifications like ISTQB is highly valued. Attention to detail, critical thinking, and strong communication skills set top performers apart in this role. These competencies ensure that software products are reliable, high-quality, and meet user requirements before release.

What are some common challenges senior software testers face when working on large-scale projects?

Senior Software Testers often encounter challenges such as managing complex test environments, coordinating with cross-functional teams, and ensuring thorough test coverage across multiple modules. Balancing tight project deadlines while maintaining high-quality standards can also be demanding. Additionally, adapting testing strategies to accommodate evolving requirements and integrating automated testing tools effectively are frequent hurdles in large-scale projects.

What is the difference between Senior Software Tester vs Software Tester?

AspectSenior Software TesterSoftware Tester
CredentialsTypically requires 3+ years experience, certifications like ISTQBEntry-level or 1-2 years experience, may have ISTQB or similar
Work EnvironmentLeads testing projects, mentors junior testersPerforms testing tasks under supervision
ResponsibilitiesDesigns test plans, reviews testing processesExecutes test cases, reports bugs

The main difference between a Senior Software Tester and a Software Tester lies in experience, responsibilities, and leadership. Senior testers often lead testing efforts and mentor others, while software testers focus on executing tests. Both roles are essential in software quality assurance and share similar credentials, but the senior role involves more strategic oversight.

What are the most commonly searched types of Software Tester jobs in Riverside, CA?

The most popular types of Software Tester jobs in Riverside, CA are:

What cities near Riverside, CA are hiring for Senior Software Tester jobs?

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

Senior Software Tester jobs near you
Infographic showing various Senior Software Tester job openings in Riverside, CA as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 11% Part Time, and 4% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $115,396 per year, or $55.5 per hour.

Sr. Software Engineer R&D

Lake Forest, CA • On-site

Abbott
See more jobs at Abbottexternal

$129K - $171K/yr

Full-time

Medical, Life, Retirement

Posted 19 days ago

Abbott rating

7.8

Company rating: 7.8 out of 10

Based on 139 frontline employees who took The Breakroom Quiz

Job description

Abbott is a global healthcare leader that helps people live more fully at all stages of life. Our portfolio of life-changing technologies spans the spectrum of healthcare, with leading businesses and products in diagnostics, medical devices, nutritionals and branded generic medicines. Our 115,000 colleagues serve people in more than 160 countries.JOB DESCRIPTION:

Working at Abbott
At Abbott, you can do work that matters, grow, and learn, care for yourself and your family, be your true self, and live a full life. You'll also have access to:

  • Career development with an international company where you can grow the career you dream of.

  • Employees can qualify for free medical coverage in our Health Investment Plan (HIP) PPO medical plan in the next calendar year.

  • An excellent retirement savings plan with a high employer contribution.

  • Tuition reimbursement, the Freedom 2 Save student debt program, and FreeU education benefit - an affordable and convenient path to getting a bachelor's degree.

  • A company recognized as a great place to work in dozens of countries worldwide and named one of the most admired companies in the world by Fortune.

  • A company that is recognized as one of the best big companies to work for as well as the best place to work for diversity, working mothers, female executives, and scientists.

The Opportunity
The Sr Software Engineer hired in this role will work out of the Irving, TX location on site. This is in the Abbott Transfusion Medicine Business Division. Our diagnostic solutions are used in hospitals, laboratories, and clinics around the globe. The crucial information derived from our tests, instruments, and informatics systems is often the first step in patient care decision-making for hundreds of health conditions from heart attacks to blood disorders to infectious diseases and cancers.

What You'll Work On

The Sr Software Engineer will help develop robotics control and scheduling applications used in a laboratory environment, automating the testing of donor blood and plasma. The ideal candidate will have experience in motion control and fluidics, utilizing servos and stepper motors to physically move mechanisms into position and valves and pumps to process fluids.

  • Help design and develop software that controls robotic medical devices, following established development processes and healthcare industry regulations.

  • Participate in software development activities, including designing, coding, testing, and validating software to ensure it performs safely and reliably.

  • Support testing efforts to verify that software meets requirements, follows quality standards, and complies with design specifications.

  • Collaborate with engineers and other team members across multiple disciplines to develop software solutions, define requirements, and document design and testing activities.

  • Contribute to technical documentation, including design reviews, code reviews, software requirements, and testing results.

  • Develop and maintain low-level software that allows hardware components and devices to communicate and function properly using programming languages such as C and C++.

  • Develop application-level software that controls and automates robotic and mechanical systems, using state-based design methods to manage device behavior and performance.

  • Assist in the evaluation of selected designs through testing and full documentation of the results.

  • Investigate on-market issues, determine appropriate corrections, and implement those corrections underneath our software engineering process.

Required Qualifications

  • Associate's degree with a 10+ years of related experience.

  • Bachelor's Degree with 6+ years of related experience.

  • Master's Degree with 4+ years of related experience.

  • Advanced experience in designing and developing complex software systems.

  • Ability to provide guidance to junior team members.

  • Advanced knowledge in modern programming languages such as C/C++/C# or Python & agile methodologies.

  • Advanced level of understanding of test-driven methodologies.

  • Advanced level of knowledge with continuous integration & continuous development (CI/CD).

  • Demonstrated success in technical proficiency, creativity, and independent thought.

  • Excellent verbal and written communication skills.

  • Ability to develop & design at the component-level.

  • Advanced level understanding of design patterns.

  • Strong analytical & problem-solving skills.

Preferred Qualifications

  • 8 years of experience and a BS degree or 6 years with MS degree..

  • Experience with unit testing and mocking environments, (Google Unit Test, Google Mock, etc)

  • 5 years experience with RTOS based applications (QNX, etc) and inter-process communications (persistent-publish-subscribe (PPS), application messaging/notifications, google protocol buffers, etc).

  • Solid understanding of C++ and robotics and sensor control including state machine usage (boost statecharts, visual state, etc) and common algorithms (debouncing sensor inputs, slip detection, etc)

  • Understanding of device level communications (as demonstrated by prior work).

  • Preferred location: Irving, TX. Alternate location: Lake Forest, IL

Learn more about our health and wellness benefits, which provide the security to help you and your family live full lives: https://abbottbenefits.com/

Follow your career aspirations to Abbott for diverse opportunities with a company that can help you build your future and live your best life. Abbott is an Equal Opportunity Employer, committed to employee diversity.

Connect with us at abbott.com, on LinkedIn at https://www.linkedin.com/company/abbott-/, and on Facebook at https://www.facebook.com/AbbottCareers.

The base pay for this position is

$78,000.00 - $156,000.00

In specific locations, the pay range may vary from the range posted.

JOB FAMILY:Product DevelopmentDIVISION:TM Transfusion MedicineLOCATION:United States > Irving : LC-02ADDITIONAL LOCATIONS:United States > Lake Forest : J55WORK SHIFT:StandardTRAVEL:Yes, 5 % of the TimeMEDICAL SURVEILLANCE:NoSIGNIFICANT WORK ACTIVITIES:Continuous sitting for prolonged periods (more than 2 consecutive hours in an 8 hour day), Keyboard use (greater or equal to 50% of the workday)Abbott is an Equal Opportunity Employer of Minorities/Women/Individuals with Disabilities/Protected Veterans.EEO is the Law link - English: http://webstorage.abbott.com/common/External/EEO_English.pdfEEO is the Law link - Espanol: http://webstorage.abbott.com/common/External/EEO_Spanish.pdf

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