Bellevue, WA, US
4 days ago
Summer 2025 Software Development, IOS Internship

T-Mobile is synonymous with innovation–and you could be part of the team that disrupted an entire industry! We reinvented customer service, brought real 5G to the nation, and now we’re 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 won’t stop!

Get hands-on experience, training—and 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 a 12-week paid learning experience during which you’ll 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. You’ll contribute your creativity and outstanding ideas, while working alongside T-Mobile employees. We’ll give you hands-on projects and the chance to create an immediate impact.

What It’s Like

T-Mobile’s Software Developers develop a wide variety of technologies that change how millions of users connect and interact with one another. We are looking for passionate, hardworking software engineers who have experience building innovative, mobile applications that customers love.  We operate in a fast-paced environment using agile methodology. We encourage innovation and expect developers to take a high level of ownership throughout the software life cycle.​ 

What You’ll Do

As a Software Developer, you work in small teams to tackle challenging problems as we continue to push technology forward. You will have an enormous opportunity to impact the customer experience, design, architecture, and implementation of a cutting-edge mobile product used every day, by people you know.

Key Responsibilities

Assist in designing, coding, testing, and debugging mobile software applications. We have a variety of software development projects ranging from API development, Microservices, Platforms, Web Apps, PWAs,  iOS and Android applications. You will be assigned to one or more of these streams. 

​Collaborate with the development team to contribute to the overall codebase. 

​Document code and software features for future reference. 

​Conduct research to support the development of new features or improvements. 

​Engage in code reviews to provide and receive constructive feedback from team members. 

​Attend team meetings and actively participate in discussions. 

​Use version control systems (e.g., Git) to manage and track changes in the codebase. 

​Work within an agile development environment, participating in sprints and agile ceremonies. 

​Support senior developers in ongoing projects. 

​Contribute ideas for improving existing processes or developing new features​ 

What It Takes

Currently enrolled in 4-year degree, graduate program in Engineering disciplines (Computer Science, Electrical Engineering) 

​Pursuing a degree in computer science, software engineering, or a related field. 

​Proficiency in programming languages commonly used in the industry, such as iOS, Java, Python, JavaScript 

​​Ability to solve complex problems through logical reasoning and algorithmic thinking 

​Experience with integrated development environments (IDEs) such as Xcode, Visual Studio, Eclipse, or IntelliJ 

​Familiarity with database management systems (DBMS) and SQL for querying databases 

​Ability to collaborate with team members and effectively communicate technical concepts 

​Willingness to learn new technologies and adapt to a dynamic work environment 

​Previous internships or personal projects that demonstrate practical software development experience 

​Attention to detail and commitment to producing high-quality code. 

​Time management skills and the ability to meet deadlines.​ 

Minimum Qualifications

At least 18 years of age

Legally authorized to work in the United States

Must have graduated within the last 12-months, OR  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 sponsorship after they 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 $20/hour to $40/hour. The successful candidate’s actual pay will be based on experience/location.

Never stop growing!
As part of the T-Mobile team, you know the Un-carrier doesn’t have a corporate ladder–it’s more like a jungle gym of possibilities! We love helping our employees grow in their careers, because it’s that shared drive to aim high that drives our business and our culture forward. By applying for this career opportunity, you’re living our values while investing in your career growth–and we applaud it. You’re 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 ApplicantAccommodation@t-mobile.com or calling 1-844-873-9500. 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.

Confirm your E-mail: Send Email