Software Engineer, Android

About the role

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. We pride ourselves on encouraging a culture of innovation, advocating for agile methodologies, and promoting transparency in all that we do.

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.
• Perform other duties/projects as assigned by business management.

Requirements

• 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).
• 2–4 years Technical engineering experience (Required).
• 2–4+ years of professional Android development experience (Preferred).
• Experience contributing to a consumer-facing Android application available in the Google Play Store (Preferred).
• 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).
• At least 18 years of age.
• Legally authorized to work in the United States.

Skills

• Analytical Thinking
• Collaboration
• Continuous Development
• DevOps
• Emerging Technologies
• Programming Languages
• Software Design
• Software Development
• Technology Development
• Test Evaluation

Preferred Qualifications

• 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.

Pay

The Total Target Cash Earnings Opportunity for this role is $106,375 - $191,820, combining base salary and annual incentive opportunity. The base pay range is $92,500 - $166,800. Actual earnings may vary based on individual performance, work location, qualifications, and experience.

Benefits

• Competitive base salary and compensation package (Total Rewards).
• Annual stock grant and employee stock purchase plan.
• 401(k) retirement plan.
• Free, year-round money coaches.
• Medical, dental, and vision insurance.
• Flexible spending account.
• Paid time off and up to 12 paid holidays (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 and enhanced family support.
• Childcare subsidy.
• Tuition assistance and college coaching.
• Short- and long-term disability.
• Voluntary AD&D, accident, life, disability, and long-term care insurance.
• Mobile service and home internet discounts.
• Pet insurance.
• Commuter and transit programs.

Schedule

Travel may be required up to 10% based on business needs.