Senior Staff Engineer - Mobile, Fanatics Markets

The role

You will lead the multiplatform engineering strategy and architecture for a mobile app built on Kotlin Multiplatform. You will drive technical decisions, mentor engineers, and oversee the execution of complex features across Android and shared KMP layers.

What you will do

• Own the multiplatform engineering strategy across Android and shared KMP layers
• Lead end-to-end execution of complex, multi-quarter features and systems
• Define and enforce engineering principles and best practices
• Drive architectural decisions across a layered, multi-module KMP codebase
• Partner with shared platform teams to shape contracts and a unified UI component library
• Drive high-impact technical decisions with product, design, and executive stakeholders
• Champion software quality, testability, operational metrics, and build system health
• Mentor and grow engineers at all levels
• Lead incident resolution as part of the on-call rotation
• Model rigorous code reviews

Required qualifications

• 10+ years of experience building highly scalable, consumer-facing Android applications
• Sr. staff-level technical leadership and cross-platform ownership
• Expert-level Kotlin including coroutines, flows, language idioms, and best practices
• Deep KMP fluency with experience developing and scaling shared business logic in a large, multi-module KMP codebase
• Strong command of MVI and reactive architecture patterns
• Gradle and build system expertise including multi-module projects, convention plugins, dependency management, and build performance
• Experience with CI/CD pipelines, SDK versioning strategies, and automated release management
• Hands-on experience with Compose and Compose Multiplatform
• Ability to communicate complex technical decisions to engineers, executives, and non-technical stakeholders
• Track record of driving Agile/SCRUM process improvements

Nice to have

• Compose Multiplatform experience across Android, iOS, desktop, and additional targets
• Experience with KSP-based codegen, Koin, or similar DI patterns in a KMP environment
• Familiarity with feature flag systems, mobile observability tooling, and platform integration patterns
• Familiarity with distributed systems and event-driven architecture

Benefits

• Base salary
• Bonus

Before you apply

• Interview and onboarding may include in-person components such as onsite interviews or a multi-day cultural immersion in New York City

About the company

Fanatics is building a leading global digital sports platform. Fanatics Markets is the real-money prediction and trading app where you can invest in moments you care about.