Senior Engineer, SDET [T500-22228]

About T-Mobile:

T-Mobile US, Inc. (NASDAQ: TMUS), headquartered in Bellevue, Washington, is Americas supercharged Un-carrier, connecting millions through its strong nationwide network and flagship brands, T-Mobile and Metro by T-Mobile. Customers benefit from an unmatched combination of value, quality, and exceptional service experience.

About TMUS Global Solutions:

TMUS Global Solutions is a world-class technology powerhouse accelerating the companys global digital transformation. With a culture built on growth, inclusivity, and global collaboration, the teams here drive innovation at scale, powered by bold thinking.

TMUS India Private Limited operates as TMUS Global Solutions.

Sr. Engineer, SDET Privacy (L08)

About the Role:

Sr Engineer, SDET is responsible for designing, developing, and sustaining automated testing solutions that ensure the quality, reliability, and performance of software systems throughout the development and sustainment lifecycle. This role translates business and functional requirements into test strategies, frameworks, and automated deliverables that support continuous delivery. The engineer provides technical leadership in test automation strategy, framework design, implementation, and execution, while partnering closely with software engineering and operations teams. Success is measured by the quality, maintainability, scalability, and performance of automated test solutions, as well as the roles impact on organizational quality standards and delivery confidence.

What Youll Do:

• Design, develop, and maintain automation systems and tools to be used by development and test engineers.
• Analyze code coverage using industry-standard tools (e.g., SonarQube).
• Oversee integration of automated tests into the Continuous Delivery pipeline.
• Design and author test cases for unit, functional, performance, scalability, and durability testing.
• Manage and groom automated and manual test suites for balanced coverage and fast feedback cycles.
• Work with IT partner teams to provide, create, or modify test data through repeatable, automated processes.
• Provide internal training on testing skills and tools; contribute to the Test Community of Practice to evolve testing practices and standards.
• Lead defect management and interface with external teams on test strategy and execution.
• Ensure requirements and/or user stories are testable and provide estimates for user stories and tasks.
• Coordinate with Dev and Ops regarding testing practices to ensure quality thresholds are met.
• Contribute to design and code reviews.
• Perform other duties and projects as assigned by business management.

What Youll Bring (Must have skills):

• Bachelors degree in software engineering, Computer Science, or related fields.
• 57 years of experience using Java, JavaScript
• 57 years of experience using any two Monitoring or Observability Tools - Splunk, AppDynamics, Dynatrace, Prometheus, Grafana, or others.
• 57 years of experience with three or more automation tools (e.g., Karate, Selenium, TestNG, Cucumber, Rest Assured, Postman).
• 57 years of experience with testing methodologies such as Test-Driven Development (TDD) and Behavior Driven Development (BDD), API Testing, Acceptance Testing, end to end testing.
• 57 years of experience using issue-tracking software and Agile project management systems (JIRA)
• Strong Proficiency with SQL (querying, joins, stored procedures) and testing databases (Oracle, Snowflake)

Nice To Have:

• Good experience working in cloud native environments.
• Good experience testing third party tools such as One Trust.
• Working knowledge using CA Service Virtualization or equivalent.
• Experience with AI to build and execute automated test cases and improve productivity.

TMUS India Private Limited, operating as TMUS Global Solutions, has engaged ANSR, Inc. ("ANSR") as its exclusive recruiting partner. That means that any communications regarding TMUS Global Solutions opportunities or employment offers will be issued only through ANSR and the 1Recruit platform. If you receive a communication or offer from another individual or entity, please notify TMUS Global Solutions immediately.

TMUS Global Solutions will never seek any payment or other compensation during the hiring process or request sensitive personal data (such as bank details or government-issued identification numbers) prior to a candidates acceptance of a formal offer.