T-Mobile · 10 hours ago
Summer 2026 Software Engineering Internship
Philadelphia, PA
Internship
Hybrid
Intern
$26/hr - $47/hr
Start in 2026 SummerT-Mobile is synonymous with innovation, and they are seeking a Summer 2026 Software Engineering Intern. This internship offers hands-on experience in advertising technology, where interns will collaborate with engineers and product managers to develop real platform solutions and enhance their skills in a supportive environment.
InternetMobileTelecommunicationsWireless
No H1B
Responsibilities
Assist the Engineering team with day-to-day development work
Collaborate cross-functionally with Product and other teams
Participate in daily stand-ups and share meaningful progress updates
Contribute to an internal-facing engineering project from concept through completion
Write, test, and improve code using Python and/or TypeScript
Participate in the code review process to ensure quality, performance, and maintainability
Learn about the advertising technology ecosystem and modern software engineering practices
Develop features and enhancements under the guidance of senior engineers
Debug issues and help improve existing systems and workflows
Apply programming fundamentals and software development lifecycle concepts
Use Git and version control best practices to collaborate on code
Communicate effectively with teammates in a fast-paced Agile environment
Take ownership of assigned tasks while learning to work independently
Qualification
Required
Rising Sophomore, Junior, or Senior pursuing a degree in Computer Science, Computer Engineering, or a related field
Proficiency in at least one programming language: Python or TypeScript
Familiarity with core programming concepts and the software development lifecycle
Strong problem-solving skills and ability to adapt in a fast-paced environment
Passion for innovation, learning new technologies, and hands-on development
Ability to work on-site in the Philadelphia office at least three days per week
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
Preferred
Experience building open-source projects or GitHub repositories is a strong plus
Previous internship or work experience in an engineering role is preferred but not required
Benefits
Relocation assistance may be provided to program participants who reside more than 50 miles from the internship location.
Company
T-Mobile
T-Mobile is a telecommunications company that provides wireless communication services, including mobile phone and internet services. It is a sub-organization of Deutsche Telekom.
Founded in 1994
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
$17.37B2026-01-05Post Ipo Debt· $2B
2025-10-06Post Ipo Debt· $2.8B
2024-09-23Post Ipo Debt· $2.5B
Leadership Team
John Saw
President of Technology, Chief Technology Officer
Peter Osvaldik
EVP & CFO
Recent News
Maryland Daily Record
2026-02-08
Company data provided by crunchbase