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# Senior Staff Engineer – Mobile/Kotlin

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[Apply for this job](#job-application)[View company](https://jobicy.com/company/fanatics.md)ShareRemote from[USA](https://jobicy.com/job-region/usa.md)SalaryUSD 163k–265k / yrDepartment[Software Engineering](https://jobicy.com/categories/engineering.md)EmploymentFull TimeExperienceSeniorPublished14 Oct 2026Apply before13 Nov 2026Listing views58Application actions1Application toolkit

## Make your next move.

Prepare your resume, explore your fit, and draft a cover letter for this opportunity.

AI Summary

## The role, at a glance.

Fanatics is seeking a Senior Staff Engineer to provide strategic and hands-on technical leadership for its consumer mobile application. The role centers on Android development, Kotlin Multiplatform, Compose Multiplatform, scalable architecture, and sharing capabilities across Android and iOS applications. This engineer will lead complex initiatives from design through production, improve observability and operational quality, participate in on-call incident response, and raise engineering standards through reviews and documentation. Success requires deep mobile expertise, strong cross-functional influence, and the ability to mentor engineers in a fast-moving sports, commerce, and gaming environment.

## Role DNA

A quick view of the complexity, pace, ownership and collaboration implied by the job description.

### Job Complexity

5/5EasyHard

### Pace & Pressure

5/5RelaxedFast-paced

### Autonomy Level

5/5GuidedFull ownership

### Communication Load

5/5IndependentCollaborative

AI insightThis is a senior staff-level mobile engineering position requiring more than 10 years of Android experience plus demonstrated architectural leadership across complex, multi-app systems. The role combines hands-on delivery, organizational influence, production accountability, mentoring, and rapidly evolving priorities.

## Salary analysis

Estimated compensation compared with the broader US market for similar roles.

Estimated job median (per year)Market rate$214,000US market range (per year)$180k–$290k0$319k

AI insightThe yearly pay period is inferred from the job context; it was not explicitly stated by the employer. The employer discloses a salary range of $163,000 to $265,000 USD. Although no cadence is written beside the range, yearly pay is inferred from the full-time senior staff engineering context and the scale of the stated USD amounts. The estimated US market range for a Senior Staff Mobile/Kotlin Engineer is $180,000 to $290,000 USD per year, with an estimated midpoint of $214,000 per year for this posting.

## Core skills

Skills and capabilities most closely associated with this opportunity.

[Android development](https://jobicy.com/jobs?search_keywords=Android%20development.md)[Kotlin](https://jobicy.com/jobs?search_keywords=Kotlin.md)[Kotlin Multiplatform](https://jobicy.com/jobs?search_keywords=Kotlin%20Multiplatform.md)[Compose Multiplatform](https://jobicy.com/jobs?search_keywords=Compose%20Multiplatform.md)[Mobile architecture](https://jobicy.com/jobs?search_keywords=Mobile%20architecture.md)[Cross-platform development](https://jobicy.com/jobs?search_keywords=Cross-platform%20development.md)[System design](https://jobicy.com/jobs?search_keywords=System%20design.md)[API integration](https://jobicy.com/jobs?search_keywords=API%20integration.md)[Observability](https://jobicy.com/jobs?search_keywords=Observability.md)[Logging and monitoring](https://jobicy.com/jobs?search_keywords=Logging%20and%20monitoring.md)[Incident response](https://jobicy.com/jobs?search_keywords=Incident%20response.md)[Code review](https://jobicy.com/jobs?search_keywords=Code%20review.md)[Technical leadership](https://jobicy.com/jobs?search_keywords=Technical%20leadership.md)[Engineering mentorship](https://jobicy.com/jobs?search_keywords=Engineering%20mentorship.md)[Stakeholder communication](https://jobicy.com/jobs?search_keywords=Stakeholder%20communication.md)

Sample interview questionsHow would you decide whether a feature should be built as shared Kotlin Multiplatform code or implemented separately on Android and iOS?I would assess the feature's business logic, platform-specific UI and hardware dependencies, performance needs, and expected maintenance cost. Shared domain logic, networking, analytics, and reusable workflows are strong KMP candidates, while deeply native interactions may remain platform-specific. I would document the tradeoffs, align stakeholders on the long-term ownership model, and validate the approach with a small vertical slice.

Describe how you would lead architecture for a complex mobile feature that spans commerce, live events, and free-to-play experiences.

I would begin with customer journeys, system boundaries, failure modes, and measurable outcomes. I would define clear interfaces between modules, establish API contracts with backend teams, and design for feature flags, analytics, resiliency, and gradual rollout. Throughout delivery, I would keep the architecture pragmatic, conduct design reviews, and use production telemetry to refine the implementation.

What practices would you establish to improve observability in a native mobile application?

I would standardize structured logging, crash reporting, performance traces, network diagnostics, and business-event instrumentation while protecting user privacy. Each critical flow would have defined service-level indicators, such as startup time, error rate, transaction completion, and API latency. I would also make dashboards and runbooks accessible so on-call engineers can diagnose issues quickly.

How do you approach mentoring senior engineers while still maintaining technical standards across a team?

I set clear engineering principles and use design reviews and code reviews as coaching opportunities rather than gatekeeping mechanisms. I delegate meaningful ownership, ask engineers to articulate tradeoffs, and provide direct, actionable feedback tied to customer and operational outcomes. I also create opportunities for senior engineers to lead initiatives and mentor others, which scales technical leadership across the organization.

Tell us about your approach to resolving a critical production incident in a mobile app.

I first stabilize the customer experience by assessing scope, using telemetry to identify likely causes, and choosing the safest mitigation such as a feature-flag rollback or server-side fallback. I maintain concise communication with incident stakeholders, assign investigation streams, and ensure decisions are recorded. After resolution, I lead a blameless review that identifies root causes, preventive tests, monitoring improvements, and accountable follow-up actions.

Opportunity details

## About this role.

### About Us

Fanatics is building a leading global digital sports platform. We ignite the passions of global sports fans and maximize the presence and reach for our hundreds of sports partners globally by offering products and services across Fanatics Commerce, Fanatics Collectibles, and Fanatics Betting & Gaming, allowing sports fans to Buy, Collect, and Bet. Through the Fanatics platform, sports fans can buy licensed fan gear, jerseys, lifestyle and streetwear products, headwear, and hardgoods; collect physical and digital trading cards, sports memorabilia, and other digital assets; and bet as the company builds its Sportsbook and iGaming platform. Fanatics has an established database of over 100 million global sports fans; a global partner network with approximately 900 sports properties, including major national and international professional sports leagues, players associations, teams, colleges, college conferences and retail partners, 2,500 athletes and celebrities, and 200 exclusive athletes; and over 2,000 retail locations, including its Lids retail stores. Our more than 22,000 employees are committed to relentlessly enhancing the fan experience and delighting sports fans globally.

Overview

As a Sr. Staff Engineer at Fanatics, you are a recognized technical leader. You operate both strategically and hands-on while leading ambitious projects, and your solutions set the standard for the team. Your bold decisions balance immediate business needs with long-term technical excellence. Through your leadership, you cultivate a culture of excellence and innovation that leaves a lasting impact.

We own the Fanatics App, the mobile app at Fanatics that encompasses elements from all of our different brands and businesses. The Fanatics App brings together Free to Play games, live events, ecommerce, and new product experiences to deliver a best-in-class Sports platform. Fundamentally, we are one team in everything we do, from the user experience to coding and architecture. We aim to deliver on our Customer Promise by delighting our millions of monthly active users.

Responsibilities

* Develop a comprehensive understanding of the industry, product, and roadmap, leveraging this knowledge to shape team strategy and influence the direction of the organization
* Lead the end-to-end technical execution of complex features and systems, from ideation and architecture to deployment and refinement
* Define and enforce engineering principles, guidelines, and best practices
* Customer Focused, Android Platform expert driving decisions to best serve Android and the Mobile ecosystem for the Fanatics apps through Kotlin Multi-platform
* Partner closely with product, design, and other stakeholders to make high-impact technical decisions that align with both business goals and long-term scalability
* Work with iOS and Android leaders throughout the company to share best practices, code and entire features across multiple apps
* Lead incident resolution as part of the on-call rotation, ensuring swift diagnosis and remediation of critical software issues
* Proactively identify and remove roadblocks, occasionally collaborating cross-team collaboration to maintain momentum on complex projects
* Conduct and elevate code reviews, sharing expertise to enhance code quality
* Steer team planning and design discussions, introducing innovative approaches to solve technical challenges and optimize design patterns
* Champion improvements to software quality, testability, operational metrics, and team documentation, setting a higher standard for the organization
* Mentor and coach engineers at all levels, fostering a culture of continuous learning and professional growth across the team
* Be open to occasional travel to Fanatics offices and other locations for conferences, events, meetings, and team-building activities

Required Qualifications

* 10+ years of experience building delightful, highly scalable, performant and beloved Android apps, excellence in Kotlin Multiplatform, Compose Multiplatform and other Android technologies
* Demonstrated ability to drive consensus and mentor others in effective coding and architectural strategies
* Systems-level functional knowledge, experience or understanding of Backend Client API, Platform Engineering, and Client-supporting systems in Marketing and Analytics
* Knowledge of observability practices, including logging, monitoring, and tracing in native apps
* Excellent communication skills, capable of conveying complex technical concepts clearly and effectively to diverse audiences, including engineers, executives, and non-technical stakeholders.
* Team-first mentality, with a willingness to do what it takes to get the job done and a desire to strive for better.
* Thrives in a high-growth environment where priorities evolve regularly and decisions are made quickly.

Preferred Qualifications

* Experience sharing code across multiple native and cross-platform apps, using native libraries or a cross-platform technology like Kotlin Multiplatform and Compose Multiplatform
* Experience with webviews and how to stitch together coherence app experiences across multiple technologies
* Experience in the sports industry, e-commerce, or gaming
* Ability to work in diverse codebases, both legacy and greenfield, in different languages and environments

If you possess some of these qualifications but not all of them, we still encourage you to apply!

#LI-AC2

Ranges will change based on country and state of residence, which are reflected in Geographical Zones defined by Fanatics Betting and Gaming. The range incorporates all of our Geographical Compensation Zones and is subject to change as the Zone associated with the actual offer is confirmed. In addition to the base and bonus, full-time employment, and more. For information about our benefits, please visit [https://benefitsatfanatics.com/](https://benefitsatfanatics.com/)

Salary Range

$163,000—$265,000 USD

By submitting your application, you agree to our terms of service and acknowledge you have read our [Candidate Privacy Policy.](https://static1.squarespace.com/static/5ff494b9931735466ce28d5b/t/69de53bde2c02c25e9c38758/1776178110037/Candidate+Privacy+Policy+April+2026.pdf)

Fanatics will never ask candidates for money, banking information, or other sensitive personal information as part of the interview process. If you receive a suspicious message claiming to be from Fanatics recruiting, please do not respond and report it [here](mailto:recruiting-fraud@fanaticsinc.com).

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