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Senior Engineer, Sdet

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T-Mobile

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Location:
United States , Bellevue

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Category:
IT - Software Development

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Contract Type:
Employment contract

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Salary:

Not provided
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Job Description:

The Sr Software Development Engineer in Test (SDET) is responsible for developing, implementing, and sustaining test automation processes to support application and system requirements throughout the software lifecycle. This role involves leading testing strategies, collaborating with tech teams, and creating high-quality, maintainable code to support testing.

Job Responsibility:

  • Design and implement robust testing strategies for Generative AI solutions
  • test functionality, performance accuracy, and production sampling
  • collaborate with data scientists and ML engineers
  • develop and maintain automated test suites for AI/ML pipelines and APIs
  • validate AI generative solutions for bias, fairness, and ethical compliance
  • provide internal training on Continuous Testing
  • contribute to the evolution of testing practices and quality standards
  • lead defect management and test strategies
  • clarify test requirements and provide estimates for tasks.

Requirements:

  • Bachelor's degree in Software Engineering, Computer Science or a related field with 5 years of relevant work experience
  • proficiency in 3 or more development languages such as C#, Java, JavaScript
  • proficiency in 3 or more automation tools such as Selenium, TestNG, Postman
  • experience with Test Driven Development and Behavior Driven Development methodologies
  • experience using CA Service Virtualization or equivalent
  • proficiency in agile project management systems
  • experience in designing and developing applications for Unix or Windows environments, mobile platforms, or multi-tiered applications
  • knowledge of AI and machine learning concepts including model evaluation and validation techniques
  • knowledge of version control systems like Git
  • strong problem-solving and analytical skills.

Nice to have:

  • Master's degree in Software Engineering or Computer Science
  • experience as an SDET Engineer with a focus on AI and data testing
  • familiarity with tools like SoapUI or API platform-specific SDKs
  • proficiency in automated test tools like Apache JMeter and JUnit.
What we offer:
  • Medical, dental, and vision insurance
  • flexible spending account
  • 401(k) plan
  • employee stock grants
  • employee stock purchase plan
  • paid parental and family leave
  • family building benefits
  • childcare subsidy
  • short-term and long-term disability insurance
  • life and accident insurance
  • up to 12 paid holidays and paid time off
  • tuition assistance
  • mobile service and home internet discounts
  • commuter and transit programs.

Additional Information:

Job Posted:
April 05, 2025

Employment Type:
Fulltime
Work Type:
On-site work
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