Staff Software Engineer - Teamfight Tactics, Mobile

Riot engineers bring deep expertise in specific technical areas while valuing opportunities to work across a broad range of domains. As Software Engineers, we work with both established and emerging technologies, creating scalable and sustainable solutions to complex technical challenges while delivering meaningful value to players. As a Staff Software Engineer, Mobile (C++ / Unreal) on the Teamfight Tactics team, you will work as part of a multidisciplinary team of engineers, artists, designers, QA, and other partners to build and support key areas of the game, with a particular focus on iOS and Android. You will primarily work in C++, while applying your native iOS and/or Android expertise to develop features, diagnose complex mobile-specific issues, and resolve engine and platform problems impacting the player experience. You will also help shape technical direction and engineering practices for mobile development across the team. You will report to an Engineering Manager on the CoreTech team. Responsibilities: Design, implement, and maintain C++ systems and features supporting our game on mobile platforms. Diagnose and resolve complex issues spanning game code, Unreal Engine, native mobile platforms, and platform-specific integrations. Partner with multidisciplinary teams to deliver high-quality features and experiences for players on iOS and Android. Provide technical leadership for mobile engineering, helping drive architectural decisions and solutions to complex or ambiguous technical problems. Influence engineering best practices within and beyond the team, including technical design reviews, coding standards, code reviews, tooling, testing, and build and deployment processes. Improve the performance, stability, reliability, and maintainability of the mobile game experience. Develop sustainable solutions that improve the health of the codebase and leave systems better than you found them. Collaborate with technical and non-technical partners to understand requirements, evaluate tradeoffs, and deliver effective solutions. Mentor engineers and help raise the technical capabilities of the broader team. Participate in the team's on-call and support rotation. Required Qualifications: 6+ years of professional software engineering experience in mobile, game development, or related fields. Significant professional experience developing and debugging native applications or systems on iOS and/or Android. Strong proficiency with C++, including experience using C++ in a mobile, game, or performance-sensitive environment. Experience diagnosing complex issues that cross application, engine, platform, and native-code boundaries. Experience debugging, profiling, and optimizing mobile applications or games, including performance, memory, stability, and device-specific issues. Experience working with a game engine such as Unreal Engine or Unity. Demonstrated ability to lead technical initiatives, make architectural decisions, and solve complex problems with broad or ambiguous requirements. Experience collaborating across disciplines such as Engineering, Design, Art, QA, and Production. Ability to work collaboratively with teams distributed across multiple time zones. Product sense, pragmatism, and player empathy when making technical decisions. Familiarity with iterative development methodologies such as Agile, Scrum, or equivalent development practices. BS in Computer Science, or proven understanding of Computer Science fundamentals Desired Qualifications: Familiarity with Teamfight Tactics. Deep expertise in native iOS and/or Android development, including platform APIs, application lifecycle, build systems, debugging tools, and platform-specific performance considerations. Experience developing with Unreal Engine, including debugging or extending engine-level C++ systems. Experience investigating and resolving issues at the boundary between Unreal Engine and native mobile platforms. Experience with mobile build, packaging, deployment, and release pipelines. For this role, you'll find success through craft expertise, a collaborative spirit, and decision-making that prioritizes the delight of players. We will be looking at your past studies, experience, and your personal relationship with games. If you embody player empathy and care about players' experiences, this could be your role! Our Perks: Riot focuses on work/life balance, shown by our open paid time off policy and other perks such as flexible work schedules. We offer medical, dental, and life insurance, parental leave for you, your spouse/domestic partner, and children, and a 401k with company match. Check out our benefits pages for more information. At Riot Games, we put players first . That mission drives every decision in our quest to create games and experiences that make it better to be a player. Whether you’re working directly on a new player-facing experience or you’re supporting the company as a whole, everyone at Riot is part of our mission. And just like in our games, we’re better when we work together. Our goal is to create collaborative teams where you are empowered to bring your unique perspective everyday. If that sounds like the kind of place you want to work, we’re looking forward to your application. It’s our policy to provide equal employment opportunity for all applicants and members of Riot Games, Inc. Riot Games makes reasonable accommodations for handicapped and disabled Rioters and does not unlawfully discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, handicap, veteran status, marital status, criminal history, or any other category protected by applicable federal and state law. We consider for employment all qualified applicants, including those with criminal histories, in a manner consistent with applicable federal, state and local law, including the California Fair Chance Act, the City of Los Angeles Fair Chance Initiative for Hiring Ordinance, the Los Angeles County Fair Chance Ordinance for Employers, the San Francisco Fair Chance Ordinance, and the Washington Fair Chance Act. Per the Los Angeles County Fair Chance Ordinance, the following core duties may create a basis for disqualifying candidates with relevant criminal histories: Safeguarding confidential and sensitive Company data Communication with others, including Rioters and third parties such as vendors, and/or players, including minors Accessing Company assets, secure digital systems, and networks Ensuring a safe interactive environment for players and other Rioters These duties are directly related to essential operations, safety, trust, and compliance obligations within our organization. Please note that job duties may evolve based on business needs and additional responsibilities may be assigned as necessary to maintain operational efficiency and security.