Senior Mobile Engineer, Kotlin Multiplatform, Remote

Fanatics Betting & Gaming; United States; Remote; USD 152,000 - 200,000; Full time

Job summary

Fanatics Betting & Gaming is seeking a Senior Mobile Engineer to contribute to a multi-platform app built on Kotlin Multiplatform, delivering features across Android, iOS, and more from a shared codebase.

You will own complex work end-to-end, set quality bars, and shape architecture decisions in a fast-moving product environment with a focus on KMP and Compose Multiplatform to ensure high-quality, consistent experiences across platforms.

Qualifications

• 5+ years of experience building scalable, consumer-facing Android applications using MVI architecture.
• Strong Kotlin proficiency including coroutines, flows, idioms, and shared practices.
• Experience with Kotlin Multiplatform and developing shared business logic in a multi-module KMP codebase.
• Hands-on experience with Compose or Compose Multiplatform and UI that meets design-system standards.

Responsibilities

• Build and ship production-quality features across Android and shared KMP layers from design to deployment with minimal oversight.
• Connect Compose Multiplatform UI to shared business logic through clean MVI state management.
• Contribute to a layered, multi-module architecture while respecting module boundaries and shared contracts.
• Collaborate with product, design, and QA to deliver reliable, pixel-accurate experiences across targets.
• Write testable, well-structured Kotlin using coroutines, flows, KSP-based codegen, and DI patterns.

Skills

Android development

MVI architecture

Kotlin

Kotlin Multiplatform

Compose/Compose Multiplatform

Gradle

CI/CD

Agile/SCRUM

Communication

Job description

Fanatics Betting & Gaming is seeking a Senior Mobile Engineer to contribute to a multi-platform app built on Kotlin Multiplatform, delivering features across Android, iOS, and more from a shared codebase.

You will own complex work end-to-end, set quality bars, and shape architecture decisions in a fast-moving product environment with a focus on KMP and Compose Multiplatform to ensure high-quality, consistent experiences across platforms.