Android Developer

Quantum Technologies. LLC; New Jersey; On-site; USD 130,000 - 170,000; Full time

Job summary

Quantum Technologies LLC in New Jersey seeks a Lead Android Engineer to drive architecture and development of enterprise-grade Android apps using Kotlin, Java, Jetpack Compose, and MVVM. You will lead design, development, testing, and production support across teams in an Agile environment.

Ideal candidates will excel in building scalable apps, integrating REST/GraphQL APIs, and optimizing performance. Experience with payments, CI/CD pipelines, and mentoring is highly valued.

Qualifications

• Experience building scalable Android apps in Kotlin/Java.
• Proficient in MVVM and Clean Architecture.
• Familiar with REST/GraphQL APIs and Android testing frameworks.
• Hands-on with CI/CD pipelines and production monitoring.

Responsibilities

• Lead Android app design, development, architecture, testing, and production support.
• Develop apps using Kotlin/Jetpack Compose, Coroutines, Flow, AndroidX, Hilt/Dagger, and Room.
• Integrate REST/GraphQL APIs with Retrofit/OkHttp and backend services.
• Lead payments/checkout integrations and ensure app performance.
• Build and maintain CI/CD pipelines (GitHub Actions, Jenkins, Gradle, Fastlane, Firebase).
• Conduct code reviews, mentor developers, and provide technical leadership.
• Collaborate with Product, UX, QA, and Backend teams in an Agile/Scrum environment.

Skills

Kotlin

Java

Jetpack Compose

Android SDK

MVVM

Clean Architecture

Coroutines

Flow

Hilt/Dagger

REST/GraphQL

Retrofit

Room

JUnit/MockK/Espresso

Git

CI/CD

Android performance optimization

Tools

GitHub Actions

Jenkins

Gradle

Fastlane

Firebase

Job description

Job Summary: We are looking for a Lead Android Engineer with strong experience building scalable, enterprise-grade Android applications using Kotlin, Java, Jetpack Compose, Android SDK, MVVM, and Clean Architecture.

Key Responsibilities

• Lead Android application design, development, architecture, testing, and production support.
• Develop applications using Kotlin, Jetpack Compose, Coroutines, Flow, AndroidX, Hilt/Dagger, and Room.
• Integrate REST/GraphQL APIs, Retrofit, OkHttp, OAuth, and backend services.
• Work on mobile payments, checkout, POS, and payment gateway integrations.
• Implement performance optimization, automated testing, and production monitoring.
• Build and maintain CI/CD pipelines using GitHub Actions, Jenkins, Gradle, Fastlane, or Firebase.
• Conduct code reviews, mentor developers, and provide technical leadership.
• Collaborate with Product, UX, QA, and Backend teams in an Agile/Scrum environment.

Required Skills

• Kotlin, Java, Jetpack Compose, Android SDK, MVVM, Clean Architecture, Coroutines, Hilt/Dagger, REST/GraphQL, Retrofit, Room, JUnit/MockK/Espresso, Git, CI/CD, and Android performance optimization.

Preferred

• Payments/POS, BLE/IoT, Firebase, A/B testing, and consumer-facing mobile applications.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.