Engineer, SDET

T-Mobile•Overland Park, KS
•$72,000 - $129,900

About The Position

This role translates business and functional requirements into test deliverables and systems for voice/IVR applications supporting T-Mobile postpaid, prepaid, Assurance Wireless, Retail Store, and Metro by T-Mobile customer experiences. The position develops, implements, and sustains test automation throughout software development and sustainment lifecycles, moving testing from manual processes toward automated tests integrated into the CI/CD pipeline. The role leads test automation strategy and creates maintainable, high-quality automated test code and frameworks across a complex, multi-application environment. Success is measured by automated test execution, delivery-pipeline integration, and quality-assurance outcomes. The work supports organizational software quality and reliability, development teams, and customer satisfaction. Travel is required.

Requirements

  • Bachelor's degree plus 2 years of related work experience, or an equivalent combination of education and experience.
  • Required knowledge and abilities include automated testing, defects management, DevOps, Java, requirements analysis, scripting, software testing, Test Driven Development (TDD), and test planning.
  • At least 18 years of age.
  • Legally authorized to work in the United States.

Nice To Haves

  • Technical discipline as an area of study; equivalent experience is considered.
  • 2–4 years of professional experience using three or more development languages, such as C#, Java, or JavaScript.
  • 2–4 years of professional experience using three or more automation tools, such as Selenium, TestNG, Appium, Sauce Labs, Rest Assured, Postman, Cucumber, Jasmine, or Protractor.
  • 2–4 years of professional experience with testing methodologies and strategies such as Test Driven Development and Behavior Driven Development.
  • 2–4 years of professional experience using CA Service Virtualization or an equivalent.
  • 2–4 years of professional experience using issue-tracking software and agile project management systems.
  • 2–4 years of professional experience designing and developing applications in Unix or Windows environments, on Android or iOS mobile platforms, or designing complex multi-tiered applications.
  • Voice/IVR or speech-application testing experience.
  • GitLab and CI/CD pipeline experience.
  • Behavior-driven test scripting, such as Cucumber.
  • Test data management and validation.
  • Critical thinking and ability to quickly ramp up on complex, multi-application systems.
  • Experience supporting multiple customer-facing business lines, such as postpaid, prepaid, or Retail Store.

Responsibilities

  • Develop and maintain automated and manual tests, including test cases for voice/IVR applications, 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 across supported applications and business lines to uphold testing practices and meet quality thresholds.
  • Design, develop, and maintain automation tools, systems, and test data to support development and testing activities, including validating application responses against expected test data and call flows.
  • Perform other duties or projects as assigned by business management.

Benefits

  • Competitive base salary and compensation package.
  • Annual stock grant and employee stock purchase plan.
  • 401(k) and access to free, year-round money coaches.
  • Annual bonus or periodic sales incentive or bonus, depending on role and eligibility.
  • Medical, dental, and vision insurance.
  • Flexible spending account.
  • Paid time off and up to 12 paid holidays.
  • Paid parental and family leave.
  • Family-building benefits, backup care, enhanced family support, and childcare subsidy.
  • Tuition assistance and college coaching.
  • Short- and long-term disability coverage.
  • Voluntary AD&D, accident, life, disability, and long-term care insurance.
  • Mobile service and home internet discounts for eligible employees.
  • Pet insurance for eligible employees.
  • Commuter and transit programs for eligible employees.
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