T-Mobile is expanding its Tf B capabilities and is seeking a Software Development Engineer in Test (SDET) to own quality engineering for Salesforce-based B2 B and enterprise solutions. This role designs and builds automated test frameworks, drives test strategy across the delivery lifecycle, and partners with developers, business analysts, and product owners to ensure Salesforce releases are reliable, secure, and defect-free.

The SDET combines robust software-engineering skills with deep testing expertise to shift quality left, reduce production risk, and build durable automation that scales with the platform.

Key Responsibilities Design, build, and maintain automated test frameworks and suites for Salesforce applications, covering UI, API, and data-layer testing. Develop Apex test classes and ensure meaningful code coverage, adherence to bulkification, and validation of governor-limit behavior. Build and maintain automated regression, functional, and integration test suites using tools such as ACCELQ, Selenium, TOSCA, Copado, or similar Salesforce test-automation platforms.



Define and execute test strategy and test plans for new features, integrations, and platform enhancements, including risk-based test prioritization. Validate integrations between Salesforce and external systems (REST/SOAP APIs, middleware, Platform Events) for functional correctness, data integrity, and error handling. Perform functional, regression, integration, performance, and exploratory testing across Salesforce releases and sandboxes. Identify, document, and track defects; perform root-cause analysis in partnership with development teams; verify fixes. Integrate automated tests into CI/CD pipelines to support continuous testing and safe, frequent deployments. Collaborate with developers and architects during design reviews to build testability into features from the start. Monitor test results, coverage metrics, and quality KPIs; report on release readiness and quality risk to stakeholde

📌 Engineer, Sdet (Hyderabad)
🏢 TMUS Global Solutions
📍 Hyderabad