Staff Mobile Engineer - Kotlin & KMM (Cross-Platform)

Fanatics; New York (NY); On-site; GBP 90,000 - 130,000; Full time

Job summary

Fanatics Betting & Gaming is seeking a Staff Software Engineer – Mobile to lead Kotlin-based mobile development and shape cross‑platform strategy across KMM, Compose Multiplatform, and modern tooling.

You will own mobile architecture, drive performance, reliability, and developer experience while guiding a team of engineers to deliver entertainment-first iCasino experiences across Fanatics platforms.

Qualifications

• 8+ years of professional software engineering with mobile focus.
• Proficient in Kotlin and Jetpack Compose with cross‑platform experience.
• Experience leading cross‑functional mobile teams and setting architecture.

Responsibilities

• Define and evolve the mobile architecture and cross‑platform strategy.
• Lead technical design and architectural decisions at scale.
• Build shared mobile platforms, libraries, and reusable components.
• Deliver high‑impact features in Kotlin and Jetpack Compose.
• Drive best practices in mobile engineering, including testing and performance.
• Mentor engineers and influence cross‑team technical direction.

Skills

Kotlin

Jetpack Compose

Kotlin Multiplatform Mobile

Compose Multiplatform

Mobile architecture

Technical leadership

Production mobile apps

Swift/SwiftUI

Tools

CI/CD pipelines

Mobile build systems

Observability tooling

Developer tooling

Job description

Fanatics Betting & Gaming is seeking a Staff Software Engineer – Mobile to lead Kotlin-based mobile development and shape cross‑platform strategy across KMM, Compose Multiplatform, and modern tooling.

You will own mobile architecture, drive performance, reliability, and developer experience while guiding a team of engineers to deliver entertainment-first iCasino experiences across Fanatics platforms.