Staff Software Engineer- Mobile

Fanatics•New York, NY

About The Position

As a Staff Software Engineer - Mobile at Fanatics Betting & Gaming (FBG), you'll be joining our dynamic mobile engineering teams, contributing to the rapidly growing Fanatics sportsbook app ecosystem. You'll work across various product areas, developing features that enhance customer experience and drive business growth. As a Staff Software Engineer at FBG, you are a fundamental problem solver and growing contributor, known for your ability to think critically and adapt to new technologies. You combine strong programming fundamentals with a willingness to learn our technology stack, delivering results across mobile platforms. You play an important role in implementing features and solutions while continuously developing your technical expertise and engineering skills. We embrace principles of data-driven development, operational excellence, and continuous process optimization to deliver a stable, scalable platform. Central to our strategy is Kotlin Multiplatform, which empowers us to deliver high-quality features quickly and consistently across multiple ecosystems. By focusing on object-oriented design, modern coding practices, open-source frameworks, and third-party platform integrations, we continuously innovate and deliver at speed in this exciting and fast-moving market.

Requirements

7 plus years of experience building and maintaining production mobile applications.
Deep expertise in Kotlin and Kotlin Multiplatform (KMP), with proven success designing and shipping shared business logic.
Strong background in Android development (Jetpack Compose, architecture patterns such as MVI, dependency injection).
Solid understanding of iOS development and experience collaborating with Swift engineers.
Demonstrated ability to lead cross-functional efforts and drive execution across teams without direct authority.
Excellent communication and collaboration skills—able to translate technical strategy into clear, actionable team direction.
Proven success in Agile/SCRUM environments, balancing delivery speed with quality.
A hands-on builder with a team-first mindset and a passion for coaching and elevating others.
A Bachelor’s degree, or professional certification, or a combination of education and experience

Nice To Haves

Experience designing shared client APIs and integrating with backend services.
Familiarity with Material Design principles, ideally Material 3.
Exposure to Swift, Java, or React in production or collaborative settings.
Passion for developer experience, performance optimization, and platform tooling.
Strong focus on code reuse, testability, and maintainability in multiplatform environments.

Responsibilities

Lead the team in delivering high-impact features and maintaining platform quality, guiding engineers through technical and execution decisions.
Collaborate across engineering, product, design, and backend organizations to align goals, unblock dependencies, and ensure successful delivery.
Drive the design, development, testing, and deployment of scalable Kotlin Multiplatform code supporting Android, iOS, and web experiences.
Balance short-term delivery needs with long-term architectural vision, ensuring maintainable, performant, and reusable shared code.
Foster team alignment, communication, and clarity—helping the team move quickly while maintaining technical excellence.
Lead feature delivery end-to-end, from ideation through launch and iteration, ensuring quality and velocity across platforms.
Set and uphold engineering standards, development principles, and best practices for Kotlin Multiplatform and native development.
Champion collaboration and relationship-building within the team and across partner orgs, acting as a trusted technical liaison.
Participate in sprint planning, architecture discussions, and design reviews, contributing technical insight and organizational leadership.
Drive operational excellence—monitoring reliability, test coverage, and observability, and ensuring issues are resolved with ownership and urgency.
Mentor engineers across multiple levels and platforms, modeling proactive communication, problem-solving, and accountability.
Be open to occasional travel to Fanatics offices or events for planning, collaboration, and team-building activities.