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SDET Engineer

T-Mobile

T-Mobile

Mobile Communications Service Providers

Philadelphia, PA - USA

Senior Specialist / Project Manager

Experteer Overview

In this role you will translate business and functional needs into automated and manual test deliverables, driving test automation across the software lifecycle. You’ll lead automation strategy, build maintainable test code and frameworks, and measure success through pipeline-integrated testing and quality outcomes. You work with cross-functional teams to raise software quality and customer satisfaction, contributing to a high-velocity, reliable delivery culture. This opportunity combines hands-on tooling with strategic testing leadership to support scalable, automated testing at scale.

Compensation / Benefits

  • medical, dental and vision insurance
  • 401(k) with company match
  • employee stock grants and employee stock purchase plan
  • paid time off and holidays
  • paid parental and family leave
  • tuition assistance and coaching

Responsibilities

  • Develop and maintain automated and manual tests to support continuous delivery pipelines
  • Clarify ambiguities in requirements to ensure testable user stories
  • Coordinate with development and operations teams to uphold testing practices
  • Design, develop, and maintain automation tools and frameworks
  • Handle other duties/projects as assigned by management

Key requirements

  • Bachelor's degree plus 2 years of related experience (or equivalent)
  • 2–4 years with 3+ development languages (e.g., TypeScript, JavaScript, Python, Java)
  • 2–4 years with 3+ automation tools (e.g., Cypress, Selenium, TestNG, Appium, Sauce Labs, Rest Assured, Postman, Cucumber, Jasmine, Protractor)
  • 2–4 years with various testing methodologies (e.g., TDD, BDD)
  • 2–4 years with CA Service Virtualization or equivalent
  • 2–4 years with issue-tracking and agile project management systems
  • 2–4 years with development for Unix/Windows, mobile (Android/iOS), or multi-tier applications

Description

In this role you will translate business and functional needs into automated and manual test deliverables, driving test automation across th…
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