Senior Software Engineer, Android

T-Mobile

. Design, develop, test, and deliver scalable Android features for T-Life, T-Mobile’s flagship mobile experience .

Posted 10/22/2026full-timeUnited StatesSenior💰 $123,800 - $177,700 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and developing scalable Android applications using Kotlin and modern Android SDK, with a strong focus on user experience and high-availability environments. Proficient in implementing modular architecture, integrating RESTful APIs, and applying CI/CD practices to enhance software delivery.

Highest-signal resume keywords

Android Application DevelopmentKotlin ProgrammingJetpack ComposeCI/CD PipelinesRESTful API Integration

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software EngineeringUnit TestingUI AutomationPerformance OptimizationModular ArchitectureMVVMClean ArchitectureTesting FrameworksDocumentation CreationAI-Powered APIs

Soft Skills

CollaborationMentoringKnowledge Sharing

Tools & Technologies

Android SDKGitGradleEspressoJUnit

Industry Keywords

High-Quality User ExperienceHigh-Availability EnvironmentsSecurity StandardsApp Store ComplianceConsumer-Facing Applications

Tech Stack

Tools & technologies

AndroidGradleJUnitKotlin

About the role

Key responsibilities & impact

Design, develop, test, and deliver scalable Android features for T-Life, T-Mobile’s flagship mobile experience
Implement scalable software solutions supporting high-quality user experiences and high-availability environments
Contribute to software design decisions and resolve technical issues independently
Improve designs using Jetpack Compose and modular architecture approaches
Collaborate with cross-functional teams and mentor engineers through knowledge sharing
Evaluate and apply current Android technologies aligned with business goals
Create documentation for code, system designs, and technical decisions
Contribute to medium-to-large initiatives and scalable, maintainable mobile architecture
Integrate RESTful APIs and backend services, including AI-enabled features
Perform unit testing, UI automation, performance optimization, and CI/CD activities
Follow security and app store compliance standards
Travel as required

Requirements

What you’ll need

Bachelor’s degree + 5 years experience OR Advanced degree + 3 years experience
4–7+ years of software engineering experience
Experience building Android applications using Kotlin and modern Android SDK
At least 18 years of age
Legally authorized to work in the United States
Preferred: Experience with Jetpack Compose, MVVM, or Clean Architecture
Preferred: Familiarity with AI-powered APIs or recommendation systems
Preferred: Experience with testing frameworks (Espresso, JUnit)
Preferred: Experience with CI/CD pipelines, Git, and Gradle
Preferred: Experience building consumer-facing applications at scale

Benefits

Comp & perks

Annual stock grant
Employee stock purchase plan
401(k)
Free, year-round money coaches
Medical, dental and vision insurance
Flexible spending account
Paid time off
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
Voluntary AD&D coverage
Voluntary accident coverage
Voluntary life insurance
Voluntary disability insurance
Voluntary long-term care insurance
Mobile service and home internet discounts
Pet insurance
Commuter and transit programs
Career growth opportunities