Android Developer

Apptad Inc; New York (NY); Hybrid; USD 110,000 - 170,000; Full time

Job summary

Apptad Inc. is seeking an experienced Android Developer to join our team on a contract-to-hire basis, with hybrid work options in Dallas or New York.

You will design and implement robust Android apps using Kotlin, MVVM/MVI, Jetpack Compose, and secure REST APIs, ensuring quality through JUnit and Compose UI tests. Ideal candidates bring 5+ years of Android experience, deep Kotlin knowledge, and hands-on with UI/UX and security features.

Qualifications

• 5+ years of professional Android development.
• Expert-level Kotlin, coroutines and Flow; read Java.
• Hands-on with MVVM, MVI or similar unidirectional data flow patterns, state hoisting, and dependency injection; Kotlin Multiplatform a plus.
• Strong UI fundamentals; Jetpack Compose strongly preferred; React/SwiftUI/Flutter experience counts.
• Experience building security-sensitive apps including biometric authentication, secure storage, and OAuth 2.0/OpenID Connect.
• Proficiency with JUnit and Compose UI testing; testing coroutines/Flows; Robolectric a plus.
• Experience in automated build pipelines (GitLab CI preferred); Gradle Kotlin DSL, build flavors, and version catalogs.
• Strong REST API experience with authenticated sessions and token refresh; Ktor client a plus.
• Experience with Google Play Console, app signing, staged rollouts, and release management.
• Proficiency with Git (GitLab preferred) and MR-based code review.

Skills

Android development

Kotlin

UI state management

Unidirectional data flow

Security-minded development

JUnit testing

CI/CD pipelines

REST APIs

OAuth/OpenID Connect

Tools

Jetpack Compose

MVVM

MVI

Kotlin Multiplatform

Ktor/OkHttp/Retrofit

GitLab CI

Gradle Kotlin DSL

Job description

Hello ,

Job Title: Android Developer

• Contract duration: 11 Months to start with Contract to Hire
• Location: Dallas/New York
• Hybrid flexibility (if onsite role): onsite (5 Days)

Experience

• 5+ years of professional Android development

Language

• Expert-level Kotlin, including coroutines and Flow; able to read Java

Architecture

• Hands-on experience with MVVM, MVI or similar unidirectional data flow patterns, state hoisting, and dependency injection; Kotlin Multiplatform a plus

UI

• Strong UI fundamentals: state management, lifecycle, adaptive layouts, accessibility, performance. Experience with a declarative UI framework; Jetpack Compose strongly preferred (React, SwiftUI or Flutter experience also counts)

Security

• Experience building security-sensitive apps (banking, fintech, payments, healthcare or similar), including biometric authentication, secure storage/encryption, and OAuth 2.0/OpenID Connect

Testing

• Proficiency with JUnit and Compose UI testing; experience writing fakes/test doubles and testing coroutines/Flows; Robolectric a plus

CI/CD

• Experience working in automated build pipelines (GitLab CI preferred); comfortable with Gradle Kotlin DSL, build flavors, and version catalogs

API Integration

• Strong experience with REST APIs, including authenticated sessions and token refresh; Ktor client a plus (Retrofit/OkHttp experience transfers)

Play Store

• Experience with Google Play Console, app signing, staged rollouts, and release management

Version Control

• Proficiency with Git (GitLab preferred) and merge-request-based code review