Senior Mobile SDET / QE Automation Engineer

job summary:

We are seeking a Senior Mobile SDET / QE Automation Engineer with strong hands-on experience automating native iOS and Android applications, along with solid web and API automation experience.

This role is best suited for an engineer who can design and maintain automation frameworks, test complex end-to-end workflows, troubleshoot mobile-specific challenges such as device fragmentation, and validate functionality across mobile, web, APIs, and backend services.

location: Sunnyvale, California
job type: Contract
salary: $55 - 65 per hour
work hours: 9am to 5pm
education: No Degree Required
responsibilities:

• Design, build, and maintain scalable automation frameworks for native iOS and Android applications
• Develop automated mobile test suites using Appium and related native mobile testing tools
• Perform end-to-end testing across mobile applications, web applications, APIs, and backend services
• Develop and maintain web automation using Selenium, Playwright, Cypress, or similar tools
• Perform API testing using tools such as Postman, REST Assured, or comparable frameworks
• Validate API requests, responses, status changes, payloads, and downstream system behavior
• Develop automated test coverage for complex business workflows, including transaction and payment-related scenarios
• Address mobile testing challenges including device fragmentation, OS/version compatibility, permissions, network conditions, and device-specific behavior
• Integrate automated test suites into CI/CD pipelines
• Troubleshoot flaky automation, framework failures, and application defects
• Partner with developers, product teams, and QA engineers to improve overall test coverage and release quality

Employment Details: This position is available on a direct W2 basis only. Candidates must be currently authorized to work in the U.S. without employer-sponsored visa support. At this time, U.S. Citizens, s, and H-4holders can be considered. C2C, 1099, and third-party/subvendor arrangements cannot be accommodated.

qualifications:

- 7+ years of overall software quality engineering / test automation experience

- 5+ years of strong hands-on experience testing and automating native mobile applications

- Strong experience with Appium is highly preferred

- Hands-on experience testing both iOS and Android applications

- 5+ years of strong frontend/web automation experience

- Experience with tools such as Playwright, Selenium, Cypress, XCUITest, or Espresso

- Strong understanding of end-to-end testing, API testing, regression testing, and integration testing

- Experience building or enhancing automation frameworks rather than only executing existing scripts

- Experience integrating automated testing into CI/CD environments

- Strong troubleshooting, debugging, and problem-solving skills

- Ability to clearly explain technical decisions, framework design, and automation strategy

skills:

CICD pipelines,mobile applications,debugging,communication,leadership skills,eCommerce

Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.
At Randstad Digital, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact
Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad Digital offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).
This posting is open for thirty (30) days.
Qualified applicants in San Francisco with criminal histories will be considered for employment in accordance with the San Francisco Fair Chance Ordinance.
Qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.
We will consider for employment all qualified Applicants, including those with criminal histories, in a manner consistent with the requirements of applicable state and local laws, including the City of Los Angeles' Fair Chance Initiative for Hiring Ordinance.