Senior Android Developer

American Unit, Inc; Frisco (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

American Unit, Inc. is seeking a Senior Android Developer with Kotlin and modern Android frameworks to design, develop, and optimize scalable, high-performance mobile applications used by millions of customers.

The ideal candidate will have 7+ years of Android development, expert knowledge of MVVM, Clean Architecture, Coroutines, Jetpack Compose, REST/GraphQL, agile delivery, and a proven ability to lead code reviews and mentor juniors.

Qualifications

• Bachelor’s degree in computer science, Engineering, or a related field, or equivalent practical experience.
• 7+ years of professional Android development experience.
• Proven experience building large-scale consumer-facing Android applications.
• Experience with Kotlin, Android SDK, Jetpack Compose and architecture components.
• Experience with RESTful APIs and GraphQL.
• Experience in Agile/Scrum environments.
• Strong knowledge of security, performance optimization, observability, and monitoring.
• Excellent analytical, problem-solving, and communication skills.

Responsibilities

• Design, develop, test, and maintain enterprise-grade Android apps using Kotlin.
• Build scalable customer experiences across marketplace, payments, and order tracking.
• Collaborate with cross-functional teams to deliver high-quality Android solutions.
• Drive architecture, reusable components, and coding standards.
• Optimize performance, startup time, memory usage, and reliability.
• Implement automated testing, CI/CD, and release processes.
• Conduct code reviews and mentor junior developers.
• Support production releases, monitoring, and incident resolution.
• Stay current with Android technologies and improve processes.

Skills

Kotlin

Android Architecture Components

Jetpack Compose

MVVM

Dependency Injection

RESTful APIs

GraphQL

Agile/Scrum

Problem-solving

Communication

Education

Bachelor's degree in Computer Science/Engineering or related field

Tools

Android SDK

Coroutines

Flow

CI/CD

Job description

We are seeking a Senior Android Developer with expertise in Kotlin and modern Android technologies to design, develop, and optimize scalable, high-performance mobile applications used by millions of customers. The ideal candidate will have strong experience in enterprise mobile development, software architecture, API integrations, and driving engineering best practices within Agile environments.

Responsibilities

• Design, develop, test, and maintain enterprise-grade Android applications using Kotlin and modern Android frameworks.
• Build and enhance customer experiences including marketplace, offers, checkout, payments, loyalty programs, subscriptions, and order tracking.
• Collaborate with Product Managers, Product Owners, Architects, UX Designers, QA teams, and backend engineers to deliver high-quality solutions.
• Drive Android architecture, reusable components, coding standards, and engineering best practices.
• Optimize application performance, scalability, reliability, startup time, memory utilization, and overall user experience.
• Implement automated testing strategies, CI/CD pipelines, and release management processes.
• Conduct code reviews, provide technical leadership, and mentor junior developers.
• Support production releases, monitoring, troubleshooting, and incident resolution.
• Stay current with emerging Android technologies and recommend improvements to development processes and platform capabilities.

Qualifications

• Bachelor’s degree in computer science, Engineering, or a related field, or equivalent practical experience.
• 7+ years of professional Android development experience.
• Expert-level proficiency in Kotlin, Android SDK, Jetpack Compose, Android Architecture Components, Coroutines, and Flow.
• Proven experience building large-scale consumer-facing Android applications supporting millions of users.
• Strong understanding of MVVM, Clean Architecture, Dependency Injection, and modular application design.
• Experience integrating RESTful APIs, GraphQL services, authentication platforms, and payment systems.
• Hands-on experience working within Agile/Scrum delivery environments.
• Strong knowledge of mobile application security, performance optimization, observability, and monitoring.
• Excellent analytical, problem-solving, and communication skills.