Summer 2027 T-Ads Software Engineering Internship

About the Role

This is an 11-week paid learning experience at T-Mobile, focusing on building the next generation of media playback technology for the T-Ads advertising ecosystem. The role involves hands-on projects with real stakes, collaboration with experienced engineers and cross-functional teams, and contributing to a modern greenfield codebase.

Key Responsibilities

• Design, implement, test, and debug features in a greenfield codebase using Kotlin Multiplatform.
• Port functionality from a legacy player to the new cross-platform architecture.
• Test and validate software across a wide range of hardware configurations to ensure reliability and performance.
• Collaborate with engineers, product partners, and designers on performance, reliability, and usability.
• Contribute to Agile ceremonies: standups, planning, and retrospectives.
• Participate in code reviews and follow best practices for quality and maintainability.

Requirements & Tech Stack

• Familiarity with Kotlin or Android development, or a strong interest in learning both.
• Experience with at least one modern programming language (e.g., Kotlin, Java, TypeScript).
• Understanding of software development fundamentals, data structures, and algorithms.
• Exposure to version control systems such as Git.
• Strong problem-solving skills, curiosity, and the drive to learn and move with urgency in a fast-paced environment.
• A habit of challenging assumptions and working well with others.
• Plus: interest in or exposure to distributed systems, IoT, or cross-platform development. Experience with large connected systems is a big differentiator that speeds up onboarding.

Qualifications

• At least 18 years of age.
• Legally authorized to work in the United States now and in the future.
• Must have one or more course(s) remaining in a Bachelors or Graduate degree program post internship.
• Employees of T-Mobile or Metro by T-Mobile are ineligible for external Summer Internships.