Join the Un-Carrier Movement at T-Mobile!
At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big love we give our customers. This includes a competitive base salary, annual stock grants, 401(k), and access to financial coaching. That’s how we’re UNSTOPPABLE for our employees!
Position: Senior Software Engineer (SDET / Full-Stack Focus)
This is a hybrid role combining Senior Software Development Engineer in Test (SDET) responsibilities with Full-Stack Engineering capabilities. You’ll lead automation and performance testing initiatives while building full-stack, cloud-native solutions supporting T-Mobile’s Legal Technology team.
Key Responsibilities
Software Development
- Design and develop full-stack web solutions using Angular (front-end), Java/Spring Boot (back-end), and databases (Postgres, Oracle, SQL).
- Extend and optimize data storage mechanisms across relational and non-relational databases.
- Build secure, scalable, and high-performing software components.
- Write clear documentation and collaborate in Agile teams to deliver business outcomes.
Automation & Performance Testing (SDET Focus)
- Design and maintain test automation frameworks and reusable components.
- Translate business requirements into test strategies and automated test cases.
- Drive an “automation-first” approach to minimize manual testing efforts.
- Implement and run performance, load, and scalability tests using tools such as JMeter or Gatling.
- Generate test coverage and quality metrics using tools like SonarQube.
- Mentor peers on test design, automation, and performance validation best practices.
Technical Leadership & Collaboration
- Mentor junior engineers and promote best practices in software testing and development.
- Partner with architects, SREs, and cross-functional teams to design and implement scalable solutions.
- Actively contribute to the Test Community of Practice and DevOps strategies.
What You Bring
- Proven experience as a Senior SDET or Senior Software Engineer with a strong automation focus.
- Proficiency in test automation tools (Selenium, JUnit, TestNG).
- Experience with performance testing tools (JMeter, Gatling).
- Strong full-stack engineering background (Angular, Java/Spring Boot, SQL/Postgres/Oracle).
- Understanding of cloud-native architecture and tools (Kubernetes, Docker).
- Familiarity with CI/CD pipelines (Jenkins, GitLab).
- Experience with business intelligence/reporting tools such as Jaspersoft (preferred).
Eligibility Requirements
- Must be at least 18 years of age.
- Must be legally authorized to work in the United States.
- U.S. Citizenship required – documentation must be provided within the first 7 days of employment.
- Some travel required.
- Not a DOT-regulated or safety-sensitive position.
Compensation
- Base Pay Range: $113,600 – $205,000
- Corporate Bonus Target: 15%
- Actual pay determined by experience, location, and qualifications.
- Annual bonuses based on performance (company and individual).
Benefits
T-Mobile offers a robust benefits package including:
- Medical, dental, and vision insurance
- Flexible spending accounts (FSA)
- 401(k) with employer match
- Annual employee stock grant & purchase plan
- Paid time off (PTO), 12 paid holidays
- Paid parental and family leave
- Back-up childcare & childcare subsidy
- Tuition assistance & college coaching
- Short- and long-term disability insurance
- Pet insurance, AD&D, accident, and life insurance options
- Discounted mobile and home internet services
Learn more at: www.t-mobilebenefits.com
Career Growth
At T-Mobile, we don’t do ladders — we offer a jungle gym of possibilities for your career growth. By applying to this role, you’re investing in your future. We see your drive and we support it. You’re UNSTOPPABLE!
Diversity, Equity & Inclusion
T-Mobile is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, gender, age, national origin, veteran status, disability, sexual orientation, gender identity, or any other legally protected status. Discrimination or harassment of any kind is not tolerated.
Accommodation Requests
We provide reasonable accommodations during the application and interview process. If you need assistance, please email [email protected] or call 1-844-873-9500.
Note: This contact is only for accommodation requests. For job inquiries, please use standard application channels.
Drug-Free Workplace
T-Mobile maintains a drug-free work environment.
