Summer 2026 Software Development Internship

T-Mobile • Frisco, TX

1d • $26 - $47

About The Position

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 This team builds and scales the core backend systems that power T-Mobile’s customer-facing mobile experiences, including the T-Life app. In this role, you will develop Java-based microservices and APIs that support millions of users—enabling scalable, secure, AI-enhanced, and high-performance experiences across T-Mobile’s digital ecosystem. What You'll Do The ideal candidate brings knowledge of Java, Springboot, cloud-native applications/systems engineering. We are seeking engineers who actively leverage AI-assisted development tools to develop and deliver applications and services.

Requirements

• Knowledge in building APIs used by mobile clients
• Knowledge of Docker, Kubernetes, and container orchestration
• Some Experience developing applications/systems leveraging AI tools.
• 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.

Responsibilities

• Build secure, reliable APIs consumed by iOS, Android, and web/internal systems.
• Write clean, maintainable code backed by comprehensive unit, integration, and contract tests.
• Ensure code meets high standards for performance, reliability, observability, and security.
• Collaborate with system engineers to align backend data flows, service contracts, and integration patterns.

Benefits

• 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.

What This Job Offers

• Career Level: Intern
• Number of Employees: 5,001-10,000 employees