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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. 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.
Job Responsibility:
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.
Requirements:
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
Knowledge in building APIs used by mobile clients
Knowledge of Docker, Kubernetes, and container orchestration
Some Experience developing applications/systems leveraging AI tools.
What we offer:
Relocation assistance may be provided to program participants who reside more than 50 miles from the internship location.