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Sr Software Testing Engineer Jobs in California (NOW HIRING)

Britech Group, Inc.

Sr Java Software Engineer

Vista, CA · On-site

$127K - $168K/yr

Senior Software Engineer Position Summary This position leads the analysis, design, development ... testing, deployment, and production support. · Design, develop, review, and optimize high-quality ...

SpaceX

Sr. Software Engineer, C++ (Dragon)

Hawthorne, CA

$165K - $230K/yr

SR. SOFTWARE ENGINEER, C++ (DRAGON) As a Sr. Software Engineer on the Dragon team, you will develop ... Plan and execute vehicle testing milestones * Support mission operations as a flight software ...

Illumina

Senior Software Test Engineer

San Diego, CA · On-site

$108 - $162/hr

The Senior Software Test Engineer will serve as the test owner for assigned software subsystems ... This is primarily a software testing and systems‑integration role. Test automation, coding skill ...

Illumina, Inc.

Senior Software Test Engineer

San Diego, CA · On-site

$117K - $152K/yr

The Senior Software Test Engineer will serve as the test owner for assigned software subsystems ... This is primarily a software testing and systems-integration role. Test automation, coding skill ...

SpaceX

Sr. Software Engineer, C++ (Dragon)

Hawthorne, CA · On-site

$165K - $230K/yr

... SR. SOFTWARE ENGINEER, C++ (DRAGON) As a Sr. Software Engineer on the Dragon team, you will ... Plan and execute vehicle testing milestones * Support mission operations as a flight software ...

SpaceX

Sr. Software Engineer, C++ (Dragon)

Hawthorne, CA · On-site

$165K - $230K/yr

... SR. SOFTWARE ENGINEER, C++ (DRAGON) As a Sr. Software Engineer on the Dragon team, you will ... Plan and execute vehicle testing milestones * Support mission operations as a flight software ...

Theory Ventures

Senior SDET

San Francisco, CA · On-site

$140 - $190/hr

Senior SDET San Francisco - Engineering - Hybrid - Full-time About BackOps AI BackOps AI is ... Experience exploring AI-assisted testing or intelligent test automation approaches is considered a ...

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Sr Software Testing Engineer information

What is a Sr Software Testing Engineer?

Sr Software Testing Engineers are experienced professionals responsible for designing, implementing, and overseeing the testing processes of software applications. They lead testing teams, develop test strategies, and ensure that products meet quality standards before release. Their work involves both manual and automated testing, identifying defects, and collaborating with developers to resolve issues. Additionally, they mentor junior testers and contribute to continuous improvement of testing methodologies.

How does a Sr Software Testing Engineer typically collaborate with development and product teams during the software release cycle?

As a Sr Software Testing Engineer, you will frequently collaborate with developers and product managers to ensure that software products meet quality standards before release. This involves participating in requirement reviews, providing feedback on testability, and working closely with developers to troubleshoot defects. You may also lead test planning meetings, coordinate test execution schedules, and communicate test results and risks to stakeholders. Building strong working relationships across teams is key to efficiently identifying issues early and delivering high-quality releases.

What are the key skills and qualifications needed to thrive as a Sr Software Testing Engineer, and why are they important?

To thrive as a Sr Software Testing Engineer, you need deep knowledge of software testing methodologies, test automation, and a strong understanding of software development lifecycles, usually supported by a degree in computer science or a related field. Familiarity with tools such as Selenium, JIRA, TestNG, and CI/CD pipelines, along with certifications like ISTQB, are commonly expected. Exceptional analytical thinking, attention to detail, and strong communication skills set top performers apart in this role. These competencies ensure high-quality software delivery, efficient defect detection, and seamless collaboration with development teams.

What is the difference between Sr Software Testing Engineer vs Software Test Engineer?

AspectSr Software Testing EngineerSoftware Test Engineer
CredentialsBachelor's degree in CS or related field; experience in testing; certifications like ISTQBBachelor's degree in CS or related field; entry-level or less experience; certifications optional
Work EnvironmentLeads testing projects, reviews test plans, mentors juniorsPerforms test case execution, reports bugs, supports testing activities
Industry UsageUsed across software companies, tech firms, and product organizationsCommon in software development teams, QA departments

The main difference between a Sr Software Testing Engineer and a Software Test Engineer lies in experience, responsibilities, and leadership. The senior role involves project oversight, mentoring, and strategic testing planning, while the junior role focuses on executing tests and reporting issues. Both roles are essential in software quality assurance, with the senior position requiring more experience and technical expertise.

Is a senior software testing engineer a good career?

A senior software testing engineer is considered a stable and rewarding career path, as it involves expertise in testing methodologies, automation tools, and quality assurance processes. The role offers opportunities for advancement into leadership positions and specialization in areas like test automation or performance testing, with demand remaining steady in the software industry.

What are popular job titles related to Sr Software Testing Engineer jobs in California?

For Sr Software Testing Engineer jobs in California, the most frequently searched job titles are:

What job categories do people searching Sr Software Testing Engineer jobs in California look for?

The top searched job categories for Sr Software Testing Engineer jobs in California are:

What cities in California are hiring for Sr Software Testing Engineer jobs?

Cities in California with the most Sr Software Testing Engineer job openings:

Sr Software Testing Engineer jobs near you
Infographic showing various Sr Software Testing Engineer 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.

Software Testing Engineer

InterSources Inc

San Ramon, CA • On-site

Full-time

Re-posted 18 days ago

Job description

Job Summary:
InterSources Inc is a small business specializing in IT consulting and staffing solutions. They are seeking a Software Testing Engineer to develop quality assurance strategies, automation scripts, and execute various tests to ensure production quality and adherence to standards.
Responsibilities:
• Develop a quality assurance strategy for the client.
• Develop automation scripts.
• Develop test plans, test data, and test cases for new features, end-to-end system tests, and regression tests.
• Execute all tests.
• Test for production quality process pre and post-deployment.
• Work with development, product, and customer teams to research existing data issues and suggest solutions.
• QA review queries created by developers for adherence to standards and performance issues.
• Report on testing status, milestones, and issues to project stakeholders.
Qualifications:
Required:
• Deep understanding of data concepts (ETL, Data pipeline, data structures, metadata, and workflow management).
• Experience in setting up and maintaining the QA environment and test data management.
• Exposure to Microsoft Azure, Synapse, ADF.
• Exposure to Spark/Hadoop.
• Excellent in python.
• Experience in system testing, regression testing, functional testing, Black box testing, and white box testing.
• Experience with automated end-to-end testing tools/Frameworks.
• Good SQL experience querying and extracting data from databases.
Company:
InterSources Inc. solves operational problems where protection, performance, compliance, AI, and workforce capability must work together. Founded in 2007, the company is headquartered in Fremont, USA, with a team of 501-1000 employees. The company is currently Late Stage.
InterSources logo

About InterSources

Sourced by ZipRecruiter

In 2007, Our journey began as pioneers in the realm of technology and security. Since then, InterSources Inc. has evolved into a trusted partner, leading the way in Cloud Security, Cybersecurity, PLG Consulting, Digital Transformation, and Professional Services. With a rich history of excellence and a forward-thinking approach, we continue to secure your digital future and drive innovation. Explore our legacy of success and discover the possibilities that lie ahead.

Industry

Recruiting and staffing services

Company size

51 - 200 Employees

Headquarters location

Fremont, CA, US

Social media

Twitter

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