Software Engineer, Android

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., * * 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.

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., * 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)

Required Knowledge, Skills and Abilities:

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

• At least 18 years of age
• Legally authorized to work in the United States

$92,500 - $166,800 life insurance, vision insurance, flexible benefit account, paid time off, paid holidays, tuition assistance, 401(k) United States, Washington, Bellevue 3650 131st Avenue Southeast (Show on map) Aug 18, 2026

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! Job Overview Are you ready to join the Un-carrier movement?, DOT Regulated: DOT Regulated Position (Yes/No): No Safety Sensitive Position (Yes/No): No Total Target Cash Earnings Opportunity: $106,375 - $191,820 National Base Pay Range: $92,500 - $166,800

The Total Target Cash Earnings Opportunity represents the expected total cash compensation for this role at target performance, combining base salary and annual incentive opportunity. Actual earnings may be higher or lower depending on individual performance and overall company results. The base pay range reflects the compensation component of this opportunity. The candidate’s actual pay will be based on various factors, such as work location, qualifications, and experience, so the actual starting pay will vary within this range. To find the pay range for this role based on hiring location, click here.

At T-Mobile, employees in regular, non-temporary roles are eligible for an annual bonus or periodic sales incentive or bonus, based on their role. Corporate employees are eligible for a year-end bonus based on individual and/or company performance and which is set at a percentage of the employee’s eligible earnings in the prior year. Certain positions in Customer Care are eligible for monthly bonuses based on individual and/or team performance. The incentive component included in the Total Target Cash Earnings Opportunity reflects target performance. Actual earnings included in the Total Target Cash Earnings Opportunity reflect target performance; actual payouts may vary.

At T-Mobile, our benefits exemplify the spirit of One Team, Together! A big part of how we care for one another is working to ensure our benefits evolve to meet the needs of our team members. Full and part-time employees have access to the same benefits when eligible. We cover all of the bases, offering 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. We don’t stop there - eligible employees can also receive mobile service & home internet discounts, pet insurance, and access to commuter and transit programs! To learn about T-Mobile’s amazing benefits, check out www.t-mobilebenefits.com.