Senior Android Engineer — Kotlin, AI-Ready Apps

T-Mobile; Overland Park (KS); On-site; USD 114,000 - 205,000; Full time

Benefits offered by this job

Medical insurance

401(k)

Employee stock grants

Employee stock purchase plan

Paid time off

Paid holidays

Parental and family leave

Tuition assistance

Disability insurance

Life insurance

Mobile service discounts

Job summary

T-Mobile is seeking a Sr Android Software Engineer to contribute to the T-Life app, delivering scalable Android features for millions of users. You will design, develop, and deploy software using Kotlin, Jetpack Compose, and modern Android practices.

Collaborating with cross‑functional teams, you will mentor engineers, apply current Android technologies, and ensure quality through testing, CI/CD, and security compliance while supporting a fast‑paced, customer‑obsessed environment in Overland

Qualifications

• 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.

Responsibilities

• Develop software solutions and conduct testing to ensure quality deliverables, including scalable Android features using Kotlin and modern Android frameworks.
• Contribute to design improvements 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 support scalable, maintainable mobile architecture.
• Integrate RESTful APIs and backend services, including support for AI-enabled features.
• Ensure quality through unit testing, UI automation, performance optimization, and CI/CD participation.
• Follow security and app store compliance standards.

Skills

Kotlin

Android

Jetpack Compose

MVVM

Clean Architecture

CI/CD

Gradle

Education

Bachelor’s degree + 5 years experience

Advanced degree + 3 years experience

Tools

Kotlin

Jetpack Compose

MVVM

Clean Architecture

Espresso

JUnit

CI/CD

Gradle

Job description

T-Mobile is seeking a Sr Android Software Engineer to contribute to the T-Life app, delivering scalable Android features for millions of users. You will design, develop, and deploy software using Kotlin, Jetpack Compose, and modern Android practices.

Collaborating with cross‑functional teams, you will mentor engineers, apply current Android technologies, and ensure quality through testing, CI/CD, and security compliance while supporting a fast‑paced, customer‑obsessed environment in Overland