DOOH Ad Tech Software Engineer Intern — 11-Week Paid

T-Mobile; Philadelphia (Philadelphia County); On-site; USD 37,000 - 69,000; Full time

Job summary

T-Mobile’s Ad Tech internship offers hands‑on work in a fast‑paced environment with a small, collaborative team in Philadelphia. You’ll contribute to the platform behind Digital Out‑of‑Home advertising, gaining experience on real projects that affect millions of displays.

Mentors will challenge you to grow essential skills and build a portfolio you can showcase. As part of T-Ads, you’ll own tasks end‑to‑end, participate in code reviews, and present your成果 to engineers.

Qualifications

• Experience with at least one language (Python, JavaScript/TypeScript, Go, or Scala) and Git.
• Built something real: a team project, hackathon, internship, or open‑source work.
• Familiarity with web, backend, or testing concepts (React, REST APIs, SQL) is a plus.
• Curious and collaborative, willing to question assumptions, and comfortable with code reviews.
• Moves with urgency, learns fast, and speaks up with ideas.

Responsibilities

• Write, review, and test production‑ready code as part of a team of engineers.
• Plan and break down a project from start to finish with your mentor, Product, Design, and QA.
• Learn the tech stack and the systems that support your project, and ask questions early and often.
• Give and receive feedback through code reviews from day one.
• Ship real code to production, with the chance to launch your project.
• Demo your project to the broader engineering org at the end of the internship.

Skills

Python

JavaScript/TypeScript

Go

Scala

Git

Education

Bachelor’s or Graduate degree in progress

Tools

REST APIs

SQL

React

Job description

T-Mobile’s Ad Tech internship offers hands‑on work in a fast‑paced environment with a small, collaborative team in Philadelphia. You’ll contribute to the platform behind Digital Out‑of‑Home advertising, gaining experience on real projects that affect millions of displays.

Mentors will challenge you to grow essential skills and build a portfolio you can showcase. As part of T-Ads, you’ll own tasks end‑to‑end, participate in code reviews, and present your成果 to engineers.