Software Engineer – Android

T-Mobile

Android Software Engineer contributing to high-quality, AI-enabled features for T-Mobile's T-Life app. Collaborating across teams to design, develop, and optimize Android applications for performance.

Posted 5/14/2026full-timeBellevue • Texas, Washington • 🇺🇸 United StatesJuniorMid-Level💰 $92,500 - $166,800 per yearWebsite

Tech Stack

Tools & technologies

AndroidDaggerGradleKotlin

About the role

Key responsibilities & impact

Contribute to the design, development, and delivery of high-quality, performant, and AI-enabled Android features for the T-Life app
Design and implement solutions that integrate RESTful APIs and backend services, 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
Present ideas to improve systems, processes, or services based on technical research and platform best practices

Requirements

What you’ll need

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)

Benefits

Comp & perks

Medical, dental, and vision insurance
401(k)
Employee stock grants
Employee stock purchase plan
Paid time off and up to 12 paid holidays
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 benefits
Voluntary AD&D coverage
Voluntary accident and life insurance
Voluntary disability insurance
Voluntary long-term care insurance
Mobile service & home internet discounts
Access to commuter and transit programs

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Android developmentKotlinRESTful APIsperformance optimizationdependency injectionasynchronous workflowsunit testingUI testingcode reviewsAI-enabled backend services

Soft Skills

collaborationcommunicationproblem-solvingdocumentation

Certifications

Bachelor's Degree in Computer ScienceBachelor's Degree in Engineering