AI Engineering Intern: Build Real-World AI Tools

T-MOBILE USA, Inc.; Factoria (WA); On-site; USD 37,000 - 69,000; Full time

Job summary

T-Mobile USA, Inc. offers an 11-week paid learning internship focused on building AI-driven developer tools.

You will collaborate with engineers, mentors, and interns to create prototypes addressing real engineering workflows, with opportunities to test, evaluate, and iterate on AI-assisted solutions. Applicants should have foundational Python/TypeScript skills, experience with Git and APIs, and an interest in LLMs and CI/CD processes.

Qualifications

• Foundational programming skills demonstrated through coursework, research, personal projects, or equivalent experience.
• Familiarity with Git, APIs, debugging, and automated testing.
• Interest in LLMs, AI agents, and developer experience, plus a willingness to test assumptions and review AI-generated code.

Responsibilities

• Define a focused use case with measurable success criteria.
• Build and test agent tools, API integrations, or developer workflow automations using Python and/or TypeScript.
• Create evaluation datasets and regression tests to measure quality and identify failure modes.
• Add logging and tracing to investigate errors, latency, and tool behavior while following data-handling and security requirements.
• Document implementation choices and demonstrate a working prototype with recommendations for next steps.

Skills

Python

TypeScript/JavaScript

Git

APIs

Automated testing

LLMs/AI agents

Developer experience

Debugging

CI/CD

Cloud platforms

Education

Bachelor's or Graduate degree in progress

Tools

Python

TypeScript

APIs

Git

Job description

T-Mobile USA, Inc. offers an 11-week paid learning internship focused on building AI-driven developer tools.

You will collaborate with engineers, mentors, and interns to create prototypes addressing real engineering workflows, with opportunities to test, evaluate, and iterate on AI-assisted solutions. Applicants should have foundational Python/TypeScript skills, experience with Git and APIs, and an interest in LLMs and CI/CD processes.