Senior Mobile Engineer, KMP & Multiplatform Leader

Fanatics Betting & Gaming; New York (NY); On-site; USD 204,000 - 269,000; Full time

Job summary

Fanatics Betting & Gaming seeks a Senior Staff Mobile Engineer to lead multiplatform Android/KMP initiatives in New York. You will shape architecture, set engineering standards, and guide engineers across teams. The role emphasizes Kotlin mastery, Compose Multiplatform, and scalable mobile platforms across Android and iOS.

You’ll partner with product, design, and leadership to drive high‑impact features while maintaining code quality and system health in a fast‑paced environment.

Qualifications

• 10+ years building scalable Android apps with senior leadership experience.
• Expert Kotlin, with deep knowledge of coroutines and Flows.
• Strong experience with Kotlin Multiplatform and multi‑module codebases.
• Experience with MVI and reactive patterns at scale.
• Proficient in Gradle, multi‑module projects, and build performance.
• Familiarity with CI/CD, versioning, and automated releases.
• Proven ability to mentor engineers and drive architecture.
• Team‑oriented with commitment to engineering excellence.

Responsibilities

• Own multiplatform engineering strategy across Android and shared KMP layers.
• Lead end‑to‑end delivery of multi‑quarter features and systems.
• Define and enforce engineering principles across Android and KMP.
• Drive patterns for shared logic, UI, and cross‑platform state management.
• Collaborate with product/design/exec to balance goals and scale.
• Promote quality, testing, observability, and build health.
• Mentor engineers at all levels and grow the team.
• Lead on‑call incident resolution and remove blockers.
• Model rigorous code reviews and elevate engineering standards.

Skills

Android leadership

Kotlin expert

Kotlin Multiplatform

MVI architecture

Gradle/Build systems

CI/CD pipelines

Compose Multiplatform

Mentoring engineers

Tools

KSP-based codegen

Koin

Job description

Fanatics Betting & Gaming seeks a Senior Staff Mobile Engineer to lead multiplatform Android/KMP initiatives in New York. You will shape architecture, set engineering standards, and guide engineers across teams. The role emphasizes Kotlin mastery, Compose Multiplatform, and scalable mobile platforms across Android and iOS.

You’ll partner with product, design, and leadership to drive high‑impact features while maintaining code quality and system health in a fast‑paced environment.