Mobile Staff Engineer

As a Staff Mobile Engineer | Tech Lead at Fanatics, you are both a hands-on technical expert and a driving force behind the success of your team. You lead by influence—aligning engineers, product managers, designers, and backend partners to deliver exceptional features with speed, quality, and purpose. You combine deep technical expertise with strong communication and relationship-building skills to guide the team through complex challenges, balance priorities, and maintain a high-performing, well-oiled product.

You will operate at both strategic and implementation levels—designing and building robust Kotlin Multiplatform (KMP) solutions, ensuring scalability and maintainability across Android and iOS, and fostering collaboration across organizations to move the business forward. Your leadership sets the tone for excellence, reliability, and teamwork.

We own the iCasino experience across Fanatics platforms—including the Standalone Casino App, iCasino within our Fanatics Sportsbook & Casino App, and the Casino Desktop website. Each of these experiences is powered by Kotlin Multiplatform, enabling us to deliver high-quality, consistent, and fast-paced innovation across all ecosystems. Our ambition is to build the top online casinos in the U.S.—fun, dynamic, entertainment-focused products built with cutting-edge mobile technology.

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.

Required Qualifications

• 7+ 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

Preferred Qualifications

• 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.

Not sure if you check every box?

If you’re excited about this role, Kotlin Multiplatform, and building best-in-class mobile experiences, we encourage you to apply—even if you don’t meet every single qualification. We value passion, curiosity, and a growth mindset, and we believe great engineers come from diverse backgrounds and paths.

The expected salary range for this role is based on job-related knowledge, skills, and experience. This role is eligible for the Fanatics Betting and Gaming annual bonus program and an equity award. *Salary range is listed in USD; actual salary will vary based on location. *Salary Range: $144,000 - $282,000 per year (actual salary will be determined in part by a successful candidate’s geographic location). In addition to base salary, bonus, and equity, full-time employees are eligible for Medical, Dental, Vision, 401K, paid time off, and other benefits like GymPass, Pet Insurance, Family Care Benefits, and more.