Android Developer

Ethereum Technologies; New Jersey; On-site; USD 140,000 - 210,000; Full time

Job summary

Ethereum Technologies in the United States is seeking a Lead Android Engineer to build scalable, enterprise-grade Android apps using Kotlin, Java, Jetpack Compose, and modern architectures.

You will lead design, mentoring, and delivery across mobile products, work with backend, UX, QA in Agile teams, and own performance, testing, and CI/CD pipelines.

Qualifications

• Experience building scalable Android apps with Kotlin/Java.
• Strong MVVM and Clean Architecture foundations.
• Proficiency in CI/CD pipelines, automated testing, and performance tuning.

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.

Skills

Kotlin

Java

Jetpack Compose

Android SDK

MVVM

Clean Architecture

Coroutines

Hilt/Dagger

REST/GraphQL

Retrofit

Room

JUnit/MockK/Espresso

Git

CI/CD

Android performance optimization

Tools

GitHub Actions

Jenkins

Gradle

Fastlane

Firebase

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

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.