Senior Staff Engineer, Client Kotlin Engineer

Fanatics

full-time

Posted on: 9/17/2025

Origin: • 🇺🇸 United States • New York

✨ AI Apply

💰 $160,000 - $318,000 per year

Senior

AndroidDistributed SystemsGradleiOSJavaKotlinSpringSpring BootSpringBootSwift

About the role

Drive development, testing, documentation, and deployment of high-quality, scalable software into production
Develop comprehensive understanding of industry, product, and roadmap to shape team strategy
Lead end-to-end technical execution of complex features and systems from architecture to deployment
Partner with client platform team to define and grow client standards, best practices, and shared UI experience library
Define and enforce engineering principles, guidelines, and best practices
Partner with product, design, and stakeholders to make high-impact technical decisions
Lead incident resolution as part of on-call rotation
Identify and remove roadblocks and collaborate cross-team to maintain momentum
Conduct and elevate code reviews to enhance code quality
Steer team planning and design discussions and introduce innovative approaches
Champion improvements to software quality, testability, operational metrics, and documentation
Mentor and coach engineers at all levels
Be open to occasional travel to Fanatics offices and other locations for conferences, events, meetings, and team-building

10+ years of experience building highly scalable Android applications with MVI Architecture
Expert-level knowledge of Kotlin language features especially coroutines, flows, idioms, and best practices
Strong experience with reactive programming patterns and asynchronous data processing
Proficiency in Gradle build systems including multi-module projects, custom plugins, and dependency management
Experience with CI/CD pipelines, SDK versioning strategies, and automated release management for mobile applications and libraries
Comfortable learning and developing business logic in Kotlin Multiplatform (KM)
Experience with Jetpack Compose and modern Material Design principles
Android domain expertise
Team-first mentality and strong communication skills
Expertise in Agile software delivery and SCRUM methodology
Thrives in high-growth environments and cross-functional collaboration
Preferred: Compose Multiplatform experience
Preferred: Experience designing and building backend services using Spring Boot or similar Java frameworks
Preferred: Experience working in large-scale distributed systems and event-driven architectures
Preferred: Exposure to Swift & iOS development frameworks