About the role#
This is a full-time, paid internship with the T-Ads team, the ad-tech business unit at T-Mobile. You will work on software that plans, buys, delivers, and measures Digital Out-of-Home advertising campaigns. You will own a specific project from start to finish, such as work on our real-time bidstream, backend services, dynamic creative, or internal web tools. This is an 11-week experience where you will work alongside engineers to ship code that real users depend on.
What you'll do#
- Write, review, and test production-ready code as part of an engineering team.
- Plan and break down a project from start to finish with your mentor, Product, Design, and Quality Assurance teams.
- Learn the systems and tech stack that support your project.
- Give and receive feedback through regular code reviews.
- Ship productionized code and demo your final project to the broader engineering organization.
What you'll need#
- You must be at least 18 years of age.
- You must be legally authorized to work in the United States now and in the future.
- You must have one or more courses remaining in a bachelor's or graduate degree program after the internship ends.
- Experience with at least one of these languages: Python, JavaScript/TypeScript, Go, or Scala.
- Experience using Git.
- A portfolio or history of building something real, such as a hackathon project, team project, open-source work, or a prior internship.
- Familiarity with web or backend development, specifically React, REST APIs, or SQL, is preferred.
- A collaborative mindset, curiosity, and a willingness to learn quickly and adapt.
Location & details#
- Location: Philadelphia, Pennsylvania.
- Modality: On-site.
- Term: Summer 2027.
- Target Majors: Computer Science, Computer Engineering, Data Science, or Mathematics.
About T-Mobile
T-Mobile is a telecommunications company based in Bellevue, Washington. It operates a 5G network that provides wireless services to consumers and businesses. The company manages several brands including Metro by T-Mobile and Mint Mobile. It functions as a public company with a workforce of over 10,000 employees.
How to get in at T-Mobile
Securing an internship at T-Mobile requires speed because early applicants often have their resumes reviewed before the volume of candidates becomes unmanageable. Intern Insider sends an instant alert the moment a role matching your target is published, which helps you apply among the first and get your profile seen before the pile grows. Reaching out to the right people often yields better results than submitting an application into a general queue. Intern Insider surfaces the recruiters behind T-Mobile roles so you can contact them directly to ask about the position or a referral, which materially improves your response rates.
