Summer 2026 Software Engineering Internship at T-Mobile · Philadelp…

Summary: T-Mobile is a leader in innovation within the wireless industry, and they are offering a summer internship for students to gain hands-on experience in software engineering. Interns will collaborate with engineers and product managers, contributing to real projects while learning about modern software practices in a supportive environment. 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 Required Qualifications: - 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 Qualifications: - 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 Required Skills: Python, TypeScript, Git Important Skills: Software development lifecycle Nice-to-Have Skills: Passion for innovation, Open-source projects, Problem-solving, Adaptability Internship Start Date: Start in 2026 Summer Benefits: Relocation assistance may be provided to program participants who reside more than 50 miles from the internship location.