Summer 2026 Software Engineering Internship
T-Mobile is synonymous with innovation–and you could be part of the team that disrupted an entire industry! We reinvented customer service, brought real 5G to the nation, and now we’re shaping the future of technology in wireless and beyond. Our work is as exciting as it is rewarding, so consider the career opportunity below as your invitation to grow with us, make big things happen with us, above all, #BEYOU with us. Together, we won’t stop!
Get hands-on experience, training—and a leg up on a bright future.
Learn. Achieve. Build a career.T-Mobile is revolutionizing the wireless industry for millions of customers nationwide. Working here means rolling up your sleeves and redefining the status quo with a team that has your back every step of the way!
This is an 11-week paid learning experience during which you’ll be able to connect and network with other interns and leaders within the company. We invite you to come innovate with mentors who will challenge you to develop meaningful skills. You’ll contribute your creativity and outstanding ideas, while working alongside T-Mobile employees. We’ll give you hands-on projects and the chance to create an immediate impact.
What It's Like
Service Enablement, Automation & Least Cost Routing (SEAL) develops and operates backend platforms that integrate with third-party vendors as well as internal IT and Engineering systems. Core capabilities include value-added service life-cycle management, large-scale IoT provisioning, network audit automation, and least cost destination routing for international long distance voice traffic. Solutions are built to support high availability, regulatory compliance, and operational efficiency across complex network environments. Engineering efforts focus on scalable service design, workflow automation, and intelligent routing optimization to ensure cost-effective and reliable global connectivity.
What You'll Do
Software Engineering Intern position focused on backend service development and workflow automation using an AI-first engineering model. Emphasis placed on spec-driven development practices where large language models generate code from structured requirements. Engineering effort centers on writing clear specifications, validating generated output, and hardening systems for production environments. Position designed for hands-on contribution to real backend systems under guidance from senior engineers.
Key Responsibilities
Design and implement backend services using Java and Spring Boot
Build and automate engineering and operational workflows
Generate production-ready code through structured, AI-driven specification workflows
Review, validate, test, and refine AI-generated code
Deploy services into Kubernetes environments
Contribute to GitLab CI/CD pipelines and Argo deployment workflows Integrate services with Postgres and Cassandra data stores Collaborate within an agile engineering team Deliver maintainable, scalable, and well-tested backend solutions
What It Takes
- Currently pursuing a Bachelor’s or Master’s degree in Computer Science, Software Engineering, Computer Engineering, or related technical field
- Strong foundation in data structures and object-oriented design
- Experience with Java or comparable object-oriented language
- Familiarity with RESTful API development
- Experience using Git for version control
- Understanding of unit and integration testing principles
- Prior use of AI tools for code generation, structured prompting, or specification-driven development
- Ability to translate functional requirements into structured technical specifications
Minimum Qualifications
At least 18 years of age
Legally authorized to work in the United States
Must be actively enrolled in a Bachelors or Graduate degree program
Employees of T-Mobile or Metro by T-Mobile are ineligible for Internships
Employer does not sponsor work visas for this position. Note that this also applies to individuals who are students in F-1 status who desire sponsorship after they complete their education.
Relocation assistance may be provided to program participants who reside more than 50 miles from the internship location.
Intern wages range from $26/hour to $47/hour. The successful candidate’s actual pay will be based on education/STEM vs non-STEM designation.
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 ApplicantAccommodation@t-mobile.com 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.
T-Mobile maintains a drug-free workplace.