Software Engineer- Android

T-Mobile • Frisco, WA

1d

About The Position

At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big love we give our customers. All team members receive a competitive base salary and compensation package - this is Total Rewards. Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round money coaches. That’s how we’re UNSTOPPABLE for our employees! Are you ready to join the Un-carrier movement? We are seeking a highly skilled and motivated Android Software Engineer to join the team powering the T-Life app—T-Mobile’s flagship mobile experience. In this role, you will contribute to the design, development, and delivery of high-quality, performant, and AI-enabled Android features that reach millions of users. The Software Engineer is essential for designing, implementing, and deploying scalable mobile software solutions that meet customer requirements and support high availability environments. This role focuses on Android application development within established architecture, collaborating with engineering teams to build modern, reliable features and integrate backend services, including AI-powered capabilities. Success is measured by the ability to deliver dependable technical solutions, produce clear documentation, and contribute to continuous improvement and innovation that enhances customer experience and supports business goals.

Requirements

• 2–4+ years of professional Android development experience. (Required)
• Bachelor's Degree plus 3 years of related work experience OR advanced degree with 1 year of related work experience OR combination of education and experience deemed equivalent (Required)
• Acceptable areas of study include Computer Science or Engineering (Required)
• Experience contributing to a consumer-facing Android application available in the Google Play Store. (Required)
• Proficiency in Kotlin and Android development frameworks.
• Strong understanding of Android app lifecycle, navigation, permissions, and performance optimization.
• Experience integrating RESTful APIs and handling asynchronous workflows.
• Familiarity with dependency injection (e.g., Dagger/Hilt) and modern build tools (Gradle).
• Experience working with Git-based workflows and collaborative code review processes.
• Foundational exposure to AI-enabled backend services (e.g., LLM-backed APIs, recommendation systems).
• Communication (Required)
• Customer Service (Required)
• Analytics (Required)
• Technical Writing (Required)

Nice To Haves

• Exposure to AI-powered mobile features such as conversational interfaces or recommendation experiences.
• Experience with CI/CD environments and mobile release management.
• Familiarity with analytics and performance monitoring tools (e.g., Firebase, instabug).
• Experience working in Agile development environments.

Responsibilities

• Develop and maintain Android application features using Kotlin and modern Android frameworks (e.g., Jetpack Compose) within established architectural patterns (e.g., MVVM, Clean Architecture).
• Design and implement solutions that integrate RESTful APIs and backend services, including AI-powered endpoints supporting personalization and intelligent user workflows.
• Collaborate cross-functionally with Product, Design, QA, Backend, and AI teams to deliver high-quality mobile solutions.
• Write maintainable, testable, and scalable code; participate in code reviews and contribute to unit and UI testing.
• Create clear documentation for software code, system designs, and business requirements.
• Support CI/CD and release processes using tools such as Git, Gradle, and Fastlane.
• Monitor application performance and reliability to ensure secure, responsive user experiences across Android devices and OS versions.
• Present ideas to improve systems, processes, or services based on technical research and platform best practices.
• Also responsible for other duties/projects as assigned by business management as needed.

Benefits

• Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round money coaches.
• Employees in regular, non-temporary roles are eligible for an annual bonus or periodic sales incentive or bonus, based on their role.
• Most Corporate employees are eligible for a year-end bonus based on company and/or individual performance and which is set at a percentage of the employee’s eligible earnings in the prior year.
• medical, dental and vision insurance, a flexible spending account, 401(k), employee stock grants, employee stock purchase plan, paid time off and up to 12 paid holidays - which total about 4 weeks for new full-time employees and about 2.5 weeks for new part-time employees annually - paid parental and family leave, family building benefits, back-up care, enhanced family support, childcare subsidy, tuition assistance, college coaching, short- and long-term disability, voluntary AD&D coverage, voluntary accident coverage, voluntary life insurance, voluntary disability insurance, and voluntary long-term care insurance.
• eligible employees can also receive mobile service & home internet discounts, pet insurance, and access to commuter and transit programs!

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level