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Senior Software Test Engineer Jobs in Milpitas, CA

MosaixSoft, Inc.

Senior Software Test Engineer

Los Altos, CA · On-site

$130K - $169K/yr

As an expert in quality engineering, manages test plans and testing methodology for mulitple software projects. * Skilled in integrating project testing with continuous-integration process. * Works ...

Arista Networks

Software Test Engineer

Santa Clara, CA

$110K - $185K/yr

Who You'll Work With Arista Networks is looking for world-class Software Test Engineers to help us in building the highest quality networking products you can buy. At Arista, you'll spend your time ...

Arista Networks

Software Test Engineer

Santa Clara, CA · On-site

$110K - $185K/yr

Who You'll Work With Arista Networks is looking for world-class Software Test Engineers to help us in building the highest quality networking products you can buy. At Arista, you'll spend your time ...

eTouch Systems

Software Test Engineer

Mountain View, CA · On-site

... Test Engineering, Mobility and Business Intelligence/Data Management. We provide high-end technology and business consulting, software development, application testing and systems integration ...

eTouch Systems

Software Test Engineer

Mountain View, CA · On-site

... Test Engineering, Mobility and Business Intelligence/Data Management. We provide high-end technology and business consulting, software development, application testing and systems integration ...

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Manufacturing Software Test Engineer

San Jose, CA · On-site

$130K/yr

We are looking for a Manufacturing Software Test Engineer to write, troubleshoot, and maintain our end of line software for programming, calibrating, and verifying subassemblies. Responsibilities:

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Manufacturing Software Test Engineer

San Jose, CA · Hybrid

$130K/yr

We are looking for a Manufacturing Software Test Engineer to write, troubleshoot, and maintain our end of line software for programming, calibrating, and verifying subassemblies. Responsibilities:

Abbott

Staff Software Test Engineer

Milpitas, CA

$114K - $228K/yr

The Staff Software Test Engineer will evaluate processes and tools to facilitate testing and successful coverage. Position must be able to formulate and execute a strategic approach to testing to ...

Abbott

Staff Software Test Engineer

Milpitas, CA · On-site

$114K - $228K/yr

The Staff Software Test Engineer will evaluate processes and tools to facilitate testing and successful coverage. Position must be able to formulate and execute a strategic approach to testing to ...

Rhoda AI

Robotics Software Test Engineer

Mountain View, CA · On-site

$90 - $130/hr

We're looking for a Robotics Software Test Engineer to design and build the test infrastructure that ensures our robot software stack is reliable, regression-free, and ready to ship. What You'll Do

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Senior Software Test Engineer information

See Milpitas, CA salary details

$26.2K

$146.3K

$190.5K

How much do senior software test engineer jobs pay per year?

As of Aug 25, 2026, the average yearly pay for senior software test engineer in Milpitas, CA is $146,325.00, according to ZipRecruiter salary data. Most workers in this role earn between $128,800.00 and $167,200.00 per year, depending on experience, location, and employer.

What does a senior software test engineer do?

A Senior Software Test Engineer is responsible for designing, developing, and executing comprehensive test plans to ensure the quality and functionality of software products. They lead testing efforts, identify defects, and work closely with development teams to resolve issues. In addition, they may mentor junior testers, implement automation frameworks, and help define testing standards and best practices within the organization. Their goal is to ensure software reliability, performance, and user satisfaction before release.

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

A Senior Software Test Engineer needs deep expertise in software testing methodologies, automation frameworks, and programming languages like Java, Python, or C#, typically backed by a degree in computer science or related field. Familiarity with tools such as Selenium, JUnit, TestNG, and bug-tracking systems like Jira, as well as certifications like ISTQB, is highly valuable. Strong problem-solving abilities, attention to detail, and effective communication skills enable collaboration and leadership within QA and development teams. These competencies are crucial to ensuring software quality, minimizing defects, and delivering reliable products in complex technical environments.

What are the typical collaboration points between a senior software test engineer and other teams during a project lifecycle?

Senior Software Test Engineers frequently collaborate with developers, product managers, and DevOps engineers throughout the project lifecycle. Early in the process, they work closely with developers to understand requirements and clarify acceptance criteria. During development, they coordinate on bug tracking and test coverage, and participate in sprint planning or daily stand-ups. They also interact with DevOps to integrate automated tests within CI/CD pipelines, ensuring smooth deployment and feedback cycles. This cross-functional collaboration is essential for delivering high-quality software efficiently.

What is the difference between Senior Software Test Engineer vs Software Test Engineer?

AspectSenior Software Test EngineerSoftware Test Engineer
CredentialsTypically requires 5+ years of experience, certifications like ISTQBEntry to mid-level, often with 1-3 years of experience, similar certifications
Work EnvironmentLeads testing projects, mentors junior staff, designs test strategiesPerforms test execution, reports bugs, follows test plans
Industry UsageUsed across software development companies, especially in larger teamsCommon in various tech companies, startups, and software firms

The main difference between a Senior Software Test Engineer and a Software Test Engineer lies in experience, responsibilities, and leadership. Senior roles involve strategic planning, mentorship, and complex testing, while Software Test Engineers focus on executing tests and reporting issues. Both roles are essential in ensuring software quality, with the senior position requiring more expertise and leadership skills.

Is senior software test engineer a good career?

A senior software test engineer is a valuable role in the software development process, focusing on quality assurance, test planning, and automation tools. It offers opportunities for career growth, specialization, and higher salaries, especially with experience in scripting, testing frameworks, and industry standards. The role is in demand across technology companies and can lead to positions such as test lead or quality assurance manager.

What are the most commonly searched types of Software Test Engineer jobs in Milpitas, CA?

The most popular types of Software Test Engineer jobs in Milpitas, CA are:

What cities near Milpitas, CA are hiring for Senior Software Test Engineer jobs?

Cities near Milpitas, CA with the most Senior Software Test Engineer job openings:

Infographic showing various Senior Software Test Engineer job openings in Milpitas, CA as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 14% Part Time, 1% Temporary, 2% Contract, and 1% Nights. Highlights an 92% Physical, 1% Hybrid, and 7% Remote job distribution, with an average salary of $146,325 per year, or $70.3 per hour.

Senior Software Test Engineer

MosaixSoft, Inc.

Los Altos, CA

$130K - $169K/yr

Full-time

Re-posted 4 days ago

Job description

Company Description

Computing is undergoing a monumental transition - to the cloud. This has led scores of vendors to offer tooling for the enablement and operation of cloud services. Sadly for the companies who have tried them, those first-gen tools have fallen short. This is because all are variations on a flawed theme: cluster managers with restrictive and naive capabilities, built on the wrong abstractions, and usually packaged in a complex UX.

MosaixSoft is designed to be different, a Composable Cloud System that is elegantly simple and AI-powered. First, it gives app developers self-service access to a limitless universe of easy-to-combine services that exploit an expanding universe of public and private clouds, e.g., AWS, Docker, OpenStack, Azure and VMware. Then it gives ops AI-powered optimization to ensure that the workloads powering those apps run securely, with maximum performance, and at the lowest cost.

In short, the Composable Cloud System allows savvy companies to compose a dominating cloud engine for their digital businesses, providing a fundamental competitive advantage in the Cloud Era.

As a startup founded and led by distributed systems visionaries, well funded by a top-tier venture firm, and working with practitioners disgusted by the PaaSs, orchestrators and assorted cloud management systems of yore, MosaixSoft's mission is to radically speed up the evolutionary pace of cloud operations for online businesses the world over.


Job Description

MosaixSoft is looking for a Software QA Engineer with development experience to help us reach ever higher standards in our product. This is your chance to join the core team building the next generation of cloud operations systems. In this role, you will be testing core cloud technologies, automating, leading, and working closely with cross-functional teams to ensure product quality.

The successful candidate has a strong aptitude for learning new technologies, excellent communication and presentation skills, and the ability to manage complex and challenging projects. Additionally, the candidate is expected have the ability to architect, create, and run both manual and automated tests.

  • Creates and runs automated tests against our REST API and GUI.
  • As an expert in quality engineering, manages test plans and testing methodology for mulitple software projects.
  • Skilled in integrating project testing with continuous-integration process.
  • Works with fellow team members to diagnose bugs and formulate solutions.
  • Develops and enhances the test infrastructure and continuous integration framework used across teams.
  • Determines testing best practices and principals and promotes them across the organization.
  • Understands designing and coding for testability to produce quality code.
  • Expert in developing and executing maintainable automation tests for acceptance, functional, performance, and regression test cases.
  • Provides functional / technical expertise in bug analysis.
Qualifications

  • 6+ years of experience as a QA engineer (functional, integration, regression, performance, and scalability testing) for distributed systems.

  • Hands-on experience with test automation processes and tools is a must. The candidate must demonstrate at least one such hands-on experience in his/her career.

  • Track record of delivering high quality infrastructure products on time.

  • Sound understanding of various cloud technologies.

  • Ability to work in a fast paced and distributed environment and adapt to internally triggered changes.

  • Experience with testing and using REST APIs

  • Identify, reproduce and isolate bugs, and drive the issues to completion.

  • Proficiency in either Java or Python.

  • Good understanding of various DevOps tools.

Additional Information

  • Understanding of large scale distributed systems architecture and applications is a big plus.

  • Familiarity with tools like Jenkins, Jira and configuring them for automation is highly desirable.

  • Experience with scale testing of cloud infrastructure and tools like chaos-monkey will be a huge plus.

  • Experience with JUnit/TestNG and Selenium.

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