Senior Mobile Engineer, Kotlin Multiplatform (Android)

fanaticsfbg; United States; Remote; USD 120,000 - 150,000; Full time

Job summary

fanaticsfbg is seeking an experienced Android/Kotlin engineer to build a multi-platform mobile product using Kotlin Multiplatform and Compose Multiplatform. You will own features from design through deployment across Android and shared logic layers, collaborating with product, design, QA, and platform teams to deliver pixel-accurate experiences.

With 5+ years in Android, strong Kotlin expertise, and experience with KMP and Compose, you will influence architecture, drive quality, and mentor peers

Qualifications

• Five or more years building scalable consumer-facing Android applications.
• Strong command of MVI architecture and Android design patterns.
• Deep Kotlin proficiency, including coroutines and flows.
• Hands-on experience with Kotlin Multiplatform in a multi-module codebase.
• Experience with Compose or Compose Multiplatform and UI that aligns with design systems.
• Familiarity with CI/CD pipelines and automated mobile testing practices.
• Clear communication and delivery in Agile or Scrum settings.

Responsibilities

• Build and ship production features across Android and shared KMP layers.
• Connect Compose Multiplatform UI to shared business logic using MVI state management.
• Contribute to layered, multi-module architecture with clear module boundaries.
• Implement against interfaces from shared platform teams while keeping app logic clean.
• Collaborate with product, design, and QA to ensure consistent experiences across targets.
• Write testable Kotlin using coroutines, flows, and KSP-based codegen with DI patterns.
• Review code with focus on module boundaries and build conventions.
• Participate in on-call rotation and mentor less experienced engineers.

Skills

Kotlin

Android development

MVI architecture

Coroutines

Compose / Compose Multiplatform

Gradle multi-module

CI/CD

Agile / Scrum

Kotlin Multiplatform

Tools

Kotlin Multiplatform

Compose Multiplatform

KSP-based codegen

Gradle

Job description

fanaticsfbg is seeking an experienced Android/Kotlin engineer to build a multi-platform mobile product using Kotlin Multiplatform and Compose Multiplatform. You will own features from design through deployment across Android and shared logic layers, collaborating with product, design, QA, and platform teams to deliver pixel-accurate experiences.

With 5+ years in Android, strong Kotlin expertise, and experience with KMP and Compose, you will influence architecture, drive quality, and mentor peers