AI Prompt Engineer Intern: 11-Week Paid Experience

T-Mobile US Inc.; Factoria (WA); On-site; USD 37,000 - 69,000; Part time

Benefits offered by this job

Relocation assistance

Job summary

T-Mobile USA, Inc. is offering a 11-week paid intern experience in the United States focused on building AI-powered customer interactions. You will design prompts for AI assistants, test them, and present results to leadership, gaining hands-on projects with real impact.

The role requires coursework in AI/ML or related fields, strong writing, and an analytical mindset. Relocation assistance may be provided. Equal opportunity employer and a great way to launch a career in consumer AI.

Qualifications

• Hands-on experience prompting LLMs through coursework, projects, or prior roles.
• Excellent written communication with precision in instructions.
• Analytical mindset with ability to evaluate outputs and iterate based on data.

Responsibilities

• Design, write, test, and iterate prompts for conversational AI use cases such as chat and voice bots.
• Build and maintain a documented prompt library with versioning and best practices.
• Evaluate prompt performance with structured testing and comparisons; recommend improvements to accuracy, tone and containment.
• Create prompts and workflows that aid research, documentation, and analysis.
• Partner with product, engineering, and business stakeholders to translate requirements into effective AI behavior.

Skills

LLM prompting experience

Strong written communication

Analytical mindset

Curiosity & quick learning

Team collaboration

Education

Bachelor's or Graduate degree in progress

Tools

Excel

SQL

Jira

Job description

T-Mobile USA, Inc. is offering a 11-week paid intern experience in the United States focused on building AI-powered customer interactions. You will design prompts for AI assistants, test them, and present results to leadership, gaining hands-on projects with real impact.

The role requires coursework in AI/ML or related fields, strong writing, and an analytical mindset. Relocation assistance may be provided. Equal opportunity employer and a great way to launch a career in consumer AI.