About the role#
This is a 11-week paid Summer 2027 internship based in Philadelphia. You will join an engineering team that builds and maintains technology for digital out-of-home advertising. You will work on real projects, collaborate with mentors, and contribute to software that connects advertisers with media owners.
What you'll do#
- Design, develop, test, and improve software used in real advertising workflows.
- Build and maintain features across frontend applications and backend services.
- Partner with engineers, product managers, and QA to turn requirements into working solutions.
- Contribute to code reviews, debugging, testing, and technical discussions.
- Investigate issues and identify improvements that raise software quality and reliability.
- Apply engineering best practices, development tools, and modern technologies.
What you'll need#
- Current enrollment in a Bachelors or Graduate degree program in Computer Science, Computer Engineering, or Electrical Engineering, with at least one course remaining after the internship.
- At least 18 years of age.
- Legal authorization to work in the United States now and in the future.
- Foundational knowledge of programming concepts, data structures, and software development principles.
- Experience with at least one programming language such as JavaScript, TypeScript, Python, or Java.
- Strong problem-solving skills, curiosity, and a collaborative mindset.
- Familiarity with web development, REST APIs, SQL, Git, or AWS is a plus.
Location & details#
- Location: Philadelphia, Pennsylvania.
- Work Modality: On-site.
- Employment Type: Full time.
- Compensation: Paid, ranging from $27/hour to $50/hour depending on education designation.
- Relocation assistance is provided for those residing more than 50 miles from the office.
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.
