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Staff Software Engineer in Test

Company: Guardant Health
Location: Redwood City
Posted on: August 4, 2022

Job Description:

Company Description

Guardant Health is a leading precision oncology company focused on helping conquer cancer globally through use of its proprietary tests, vast data sets and advanced analytics. The Guardant Health oncology platform leverages capabilities to drive commercial adoption, improve patient clinical outcomes and lower healthcare costs across all stages of the cancer care continuum. Guardant Health has commercially launched Guardant360 -, Guardant360 CDx, Guardant360 TissueNext---, Guardant360 Response---, and GuardantOMNI - tests for advanced stage cancer patients, and Guardant Reveal--- for early-stage cancer patients. These tests fuel development of its screening program, which aims to address the needs of asymptomatic individuals eligible for cancer screening.

Job Description

As Guardant continues to grow, we are looking for a Staff Software Engineer in Test to join and contribute to developing test automation for our IVD grade software solution that performs a cancer screening tests.

Our software stack includes React based UI components, sample prep control and automation, analytics, and microservices architecture running over Kubernetes.


  • Use your skills and expertise to design and develop test automation on a collection of microservices using syncronious (REST API), web and asynchronous (Message Broker) messages.
  • Optimize, enhance, maintain and review the automation framework and test suites, drive test efficiency improvements, automate complex testing scenarios.
  • Develop/Enhance and maintain the continuous integration build and deploy pipeline with Jenkins, Docker and Kubernetes
  • Analyze user needs, product requirements, software requirements and specification to define test cases that verify the behavior of the software.
  • Define test cases for newly developed functionalities, modules, and services. Build a hierarchical testing from functions to modules, services and full integration. Utilize techniques of black box, white box, horizontal, vertical, inspection and analysis to build verification and validation plan.
  • Troubleshoot and debug across services, system integration issues related to interfaces between components and real time throughput.
  • Estimate/characterize system performance, bottlenecks, identify failure points and optimize the system based on product owner's needs.
  • Write verification test cases, verification protocols, summarize reports. Present outcomes to the leadership team. Actively manage defects prioritization and backlog.
  • Lead QE efforts, communicates issues and risks and mentor junior QE
  • Report on the test execution status, collaborate and maintain strong working relationships across functional teams

    • B.S. or M.S. in Computer Science, Computational Biology, or related field. Equivalent industry experience accepted
    • 10+ years experience developing test automation for full stack software in production environment. Solid experience with microservice architecture using synchronous REST API as well as asynchronous message brokers.
    • Experience working in a scrum based environment using JIRA and Confluence
    • Experience writing integration testing scripts, including simulation and staging of data.
    • Experienced in Python programming, Linux Bash, Relational databases, Cypress Framework or similar.
    • Excellent written and verbal skills.
    • Excellent knowledge of test automation methodologies and best practices
    • Experience with deployment tools, build/release automation, Kubernetes, Docker and continuous integration/delivery
    • Self-starter, proactive and flexible

      Additional Information

      Covid Vaccination Policy: Starting January 7, 2022, Guardant Health will require all employees to be fully vaccinated to either (a) establish that they have been fully vaccinated against COVID-19; or (b) request and obtain an approved exemption from Guardant's COVID-19 U.S. Vaccination Policy as a reasonable accommodation, as consistent with applicable laws. An employee is considered fully vaccinated against COVID-19 two weeks after receiving the second dose of a two-dose vaccine or one dose of a single-dose vaccination. Acceptable vaccines are approved or under emergency use authorization by the U.S. Food and Drug Administration (FDA) and/or the World Health Organization (WHO). In addition, fully-vaccinated employees will be required to maintain their fully-vaccinated status under this policy by obtaining, if applicable, any FDA-approved boosters.

      Employee may be required to lift routine office supplies and use office equipment. Majority of the work is performed in a desk/office environment; however, there may be exposure to high noise levels, fumes, and biohazard material in the laboratory environment. Ability to sit for extended periods of time.

      Guardant Health is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

      All your information will be kept confidential according to EEO guidelines.

      To learn more about the information collected when you apply for a position at Guardant Health, Inc. and how it is used, please review our Privacy Notice for Job Applicants.

      Please visit our career page at:

Keywords: Guardant Health, Redwood City , Staff Software Engineer in Test, IT / Software / Systems , Redwood City, California

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