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SDET Engineer

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T-Mobile

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Location:
United States , Philadelphia

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

72000.00 - 129900.00 USD / Year
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Job Description:

This role addresses technical challenges by translating business and functional requirements into test deliverables and systems. It primarily involves developing, implementing, and sustaining test automation processes throughout software development and sustainment lifecycles. The role is distinguished by leading test automation strategy and creating maintainable, high-quality automated test code and frameworks. Success is measured by the effectiveness of automated test execution, integration into delivery pipelines, and quality assurance outcomes. The work impacts organizational software quality and reliability, supporting development teams and enhancing customer satisfaction.

Job Responsibility:

  • Develop and maintain automated and manual tests to measure product quality and support continuous delivery pipelines
  • Ensure requirements and user stories are testable and clarify ambiguities to support accurate test design and execution
  • Coordinate with development and operations teams to uphold testing practices and meet quality thresholds
  • Design, develop, and maintain automation tools and systems to support development and testing activities
  • Also responsible for other duties/projects as assigned by business management as needed

Requirements:

  • Bachelor's Degree plus 2 years of related work experience OR combination of education and experience deemed equivalent
  • Acceptable areas of study include Technical Discipline
  • 2-4 years Professional experience using 3 or more development languages (e.g., TypeScript, JavaScript, Python, Java, etc.)
  • 2-4 years Professional experience using 3 or more automation tools (e.g., Cypress, Selenium, TestNG, Appium, Sauce Labs, Rest Assured, Postman, Cucumber, Jasmine, Protractor, etc.)
  • 2-4 years Professional experience with various testing methodologies and strategies: Test Driven Development, Behavior Driven Development, etc.
  • 2-4 years Professional experience using CA Service Virtualization or equivalent
  • 2-4 years Professional experience using issue-tracking software and agile project management systems
  • 2-4 years Professional experience designing and developing applications on Unix or Windows environment, mobile platforms (Android or iOS) or designing complex multi-tiered applications
  • Agile
  • End-to-end Testing
  • Problem Solving
  • Analytics
  • At least 18 years of age
  • Legally authorized to work in the United States
What we offer:
  • annual stock grant
  • employee stock purchase plan
  • 401(k)
  • access to free, year-round money coaches
  • annual bonus or periodic sales incentive or bonus
  • medical, dental and vision insurance
  • flexible spending account
  • employee stock grants
  • paid time off
  • up to 12 paid holidays
  • paid parental and family leave
  • family building benefits
  • back-up care
  • enhanced family support
  • childcare subsidy
  • tuition assistance
  • college coaching
  • short- and long-term disability
  • voluntary AD&D coverage
  • voluntary accident coverage
  • voluntary life insurance
  • voluntary disability insurance
  • voluntary long-term care insurance
  • mobile service & home internet discounts
  • pet insurance
  • access to commuter and transit programs

Additional Information:

Job Posted:
March 12, 2026

Employment Type:
Fulltime
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