Senior SDET Engineer

T-MOBILE USA, Inc.; Philadelphia (Philadelphia County); On-site; USD 89,400 - 161,300; Full time

Benefits offered by this job

Medical insurance

Dental and vision insurance

401(k)

Employee stock grants

Employee stock purchase plan

Paid time off and holidays

Job summary

T-Mobile USA, Inc. is seeking a test automation leader to translate business requirements into automated test deliverables, and to design, implement, and sustain automated test processes throughout SDLC.

You will lead strategy, architecture, and execution to improve quality, maintainability, and performance of test code and frameworks. The role emphasizes collaboration across development, operations, and QA teams to drive continuous delivery and adherence to quality standards.

Qualifications

• Bachelor's Degree plus 5 years of related work experience OR Advanced degree with 3 years of related experience.
• 5 years of progressively responsible postbaccalaureate relevant work experience in software engineering fields.
• 4-7 years professional experience using 3+ development languages (e.g., TypeScript, JavaScript, Python, Java).
• 4-7 years professional experience using 3+ automation tools (e.g., Cypress, Selenium, TestNG, Appium, Sauce Labs, Rest Assured, Postman, Cucumber, Jasmine, Protractor).
• 4-7 years professional experience with testing methodologies and strategies (Test Driven Development, Behavior Driven Development).
• 4-7 years professional experience using CA Service Virtualization or equivalent.
• 4-7 years professional experience using issue-tracking software and agile project management systems.
• 4-7 years professional experience designing and developing applications on Unix or Windows environments, mobile platforms (Android or iOS) or multi-tier architectures.

Responsibilities

• Design and maintain automation systems and tools to improve testing efficiency and coverage.
• Provide practice leadership by training peers, contributing to quality standards, and managing defect processes.
• Ensure requirements and user stories are testable and provide input to test activities and estimates.
• Coordinate with development and operations teams to uphold testing practices and quality thresholds.
• Perform other duties/projects as assigned by business management.

Skills

Agile

End-to-end Testing

Problem Solving

Analytics

Education

Bachelor's Degree + 5 years experience

Advanced degree + 3 years experience

Tools

TypeScript

JavaScript

Python

Java

Cypress

Selenium

TestNG

Appium

CA Service Virtualization

Postman

Cucumber

Jasmine

Protractor

Job description

At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big love we give our customers. All team members receive a competitive base salary and compensation package - this is Total Rewards. Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round money coaches. That's how we're UNSTOPPABLE for our employees!

Job Overview

This role addresses technical challenges by translating business and functional requirements into test deliverables and systems. It involves developing, implementing, and sustaining automated test processes and controls throughout software development and sustainment lifecycles. The role includes leading and consulting on test automation strategy, design, implementation, and execution. Success is measured by the quality, maintainability, and performance of automated test code and frameworks. The work impacts organizational quality standards and supports continuous delivery through collaboration and practice leadership.

Job Responsibilities

• Design and maintain automation systems and tools to improve testing efficiency and coverage
• Provide practice leadership by training peers, contributing to quality standards, and managing defect processes
• Ensure requirements and user stories are testable and provide input to test activities and estimates
• Coordinate with development and operations teams to uphold testing practices and quality thresholds
• Also responsible for other duties/projects as assigned by business management as needed

Education and Work Experience

• Bachelor's Degree plus 5 years of related work experience OR Advanced degree with 3 years of related experience (Required)
• Acceptable areas of study include Software Engineering, Computer Science or a related field or the foreign equivalent, and 5 years of progressively responsible postbaccalaureate relevant work experience. (Required)
• 4-7 years Professional experience using 3 or more development languages (e.g., TypeScript, JavaScript, Python, Java etc.). (Required)
• 4-7 years Professional experience using 3 or more automation tools (e.g., Cypress (preferred) Selenium, TestNG, Appium, Sauce Labs, Rest Assured, Postman, Cucumber, Jasmine, Protractor, etc.). (Required)
• 4-7 years Professional experience with various testing methodologies and strategies: Test Driven Development, Behavior Driven Development, etc. (Required)
• 4-7 years Professional experience using CA Service Virtualization or equivalent. (Required)
• 4-7 years Professional experience using issue-tracking software and agile project management systems. (Required)
• 4-7 years Professional experience designing and developing applications on Unix or Windows environment, mobile platforms (Android or iOS) or designing complex multi-tiered applications. (Required)

Knowledge, Skills and Abilities

• Agile (Required)
• End-to-end Testing (Required)
• Problem Solving (Required)
• Analytics (Required)

Licenses and Certifications

• At least 18 years of age
• Legally authorized to work in the United States

Travel

Travel Required (Yes/No): Yes

DOT Regulated

DOT Regulated Position (Yes/No): No

Safety Sensitive Position (Yes/No): No

Base Pay Range: $89,400 - $161,300Corporate Bonus Target: 15%

The pay range above is the general base pay range for a successful candidate in the role. The successful candidate's actual pay will be based on various factors, such as work location, qualifications, and experience, so the actual starting pay will vary within this range.

At T-Mobile, employees in regular, non-temporary roles are eligible for an annual bonus or periodic sales incentive or bonus, based on their role. Most Corporate employees are eligible for a year-end bonus based on company and/or individual performance and which is set at a percentage of the employee's eligible earnings in the prior year. Certain positions in Customer Care are eligible for monthly bonuses based on individual and/or team performance.

At T-Mobile, our benefits exemplify the spirit of One Team, Together! A big part of how we care for one another is working to ensure our benefits evolve to meet the needs of our team members. Full and part-time employees have access to the same benefits when eligible.

• medical
• dental and vision insurance
• a flexible spending account
• 401(k)
• employee stock grants
• employee stock purchase plan
• paid time off and up to 12 paid holidays - which total about 4 weeks for new full-time employees and about 2.5 weeks for new part-time employees annually
• paid parental and family leave
• family building benefits
• back-up care
• enhanced family support
• childcare subsidy
• tuition assistance
• college coaching
• short- and long-term disability
• voluntary AD&D coverage
• voluntary accident coverage
• voluntary life insurance
• voluntary disability insurance
• voluntary long-term care insurance
• mobile service & home internet discounts
• pet insurance
• access to commuter and transit programs

We don't stop there - eligible employees can also receive mobile service & home internet discounts, pet insurance, and access to commuter and transit programs!

Never stop growing! As part of the T-Mobile team, you know the Un-carrier doesn't have a corporate ladder-it's more like a jungle gym of possibilities! We love helping our employees grow in their careers, because it's that shared drive to aim high that drives our business and our culture forward. By applying for this career opportunity, you're living our values while investing in your career growth-and we applaud it. You're unstoppable!

T-Mobile USA, Inc. is an Equal Opportunity Employer. All decisions concerning the employment relationship will be made without regard to age, race, ethnicity, color, religion, creed, sex, sexual orientation, gender identity or expression, national origin, religious affiliation, marital status, citizenship status, veteran status, the presence of any physical or mental disability, or any other status or characteristic protected by federal, state, or local law. Discrimination, retaliation or harassment based upon any of these factors is wholly inconsistent with how we do business and will not be tolerated.

Talent comes in all forms at the Un-carrier. If you are an individual with a disability and need reasonable accommodation at any point in the application or interview process, please let us know by emailing [e-mail] or calling 1-844-873-9500. Please note, this contact channel is not a means to apply for or inquire about a position and we are unable to respond to non-accommodation related requests.