Summer 2026 Software Engineering Internship

T-Mobile

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profile Job Location:

Philadelphia, PA - USA

profile Monthly Salary: Not Disclosed
Posted on: 9 hours ago
Vacancies: 1 Vacancy

Job Summary

T-Mobile is synonymous with innovationand you could be part of the team that disrupted an entire industry! We reinvented customer service brought real 5G to the nation and now were shaping the future of technology in wireless and beyond. Our work is as exciting as it is rewarding so consider the career opportunity below as your invitation to grow with us make big things happen with us above all #BEYOU with us. Together we wont stop!

Get hands-on experience trainingand a leg up on a bright future.

Learn. Achieve. Build a career.

T-Mobile is revolutionizing the wireless industry for millions of customers nationwide. Working here means rolling up your sleeves and redefining the status quo with a team that has your back every step of the way!

This is an 11-week paid learning experience during which youll be able to connect and network with other interns and leaders within the company. We invite you to come innovate with mentors who will challenge you to develop meaningful skills. Youll contribute your creativity and outstanding ideas while working alongside T-Mobile employees. Well give you hands-on projects and the chance to create an immediate impact.

What Its Like

At T-Mobile Advertising Solutions powered by Vistar Media youll be immersed in the fast-moving world of advertising technology. This summer internship offers hands-on experience building real platform solutions that power innovative media experiences. Youll collaborate with engineers product managers and cross-functional partners while gaining exposure to how large-scale ad tech platforms are designed and built. Youll be supported by experienced mentors included as a true member of the Engineering team and encouraged to explore new technologies in a collaborative Agile environmentall while being part of T-Mobiles Un-carrier culture.

What Youll Do

  • 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

Key Responsibilities

  • 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

What It Takes

  • 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

  • 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

  • Ability to work on-site in the Philadelphia office at least three days per week

Minimum Qualifications

  • 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

Employer does not sponsor work visas for this position. Note that this also applies to individuals who are students in F-1 status who desire sponsorshipafterthey complete their education.

Relocation assistance may be provided to program participants who reside more than 50 miles from the internship location.

Intern wages range from $26/hour to $47/hour. The successful candidates actual pay will be based on education/STEM vs non-STEM designation.

Never stop growing!
As part of the T-Mobile team you know the Un-carrier doesnt have a corporate ladderits more like a jungle gym of possibilities! We love helping our employees grow in their careers because its that shared drive to aim high that drives our business and our culture forward. By applying for this career opportunity youre living our values while investing in your career growthand we applaud it. Youre unstoppable!

T-Mobile USA Inc. is an Equal Opportunity Employer. All decisions concerning the employment relationship will be made without regard to age race ethnicity color religion creed sex sexual orientation gender identity or expression national origin religious affiliation marital status citizenship status veteran status the presence of any physical or mental disability or any other status or characteristic protected by federal state or local law. Discrimination retaliation or harassment based upon any of these factors is wholly inconsistent with how we do business and will not be tolerated.

Talent comes in all forms at the Un-carrier. If you are an individual with a disability and need reasonable accommodation at any point in the application or interview process please let us know by emailing or calling 1-. Please note this contact channel is not a means to apply for or inquire about a position and we are unable to respond to non-accommodation related requests.


Required Experience:

Intern

T-Mobile is synonymous with innovationand you could be part of the team that disrupted an entire industry! We reinvented customer service brought real 5G to the nation and now were shaping the future of technology in wireless and beyond. Our work is as exciting as it is rewarding so consider the car...
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Key Skills

  • Microsoft Office
  • Public Relations
  • Google Docs
  • Data Collection
  • MailChimp
  • Microsoft Word
  • Dermal Fillers
  • Microsoft Powerpoint
  • Research Experience
  • Microsoft Excel
  • Adobe Photoshop
  • Writing Skills

About Company

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Grow Your Career. Grow With One Join Us #WeAreOne We are driven. We are family. We are One. When you join MobileOne, you join a team of friends who work as hard as they play. You’ll learn how to be a leader, make bank, and most importantly, have fun along the way. With over 200 […] ... View more

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