Senior Software Engineer - Publishing Platform, Riot Mobile

Riot Games•Los Angeles, CA

About The Position

Riot engineers bring deep knowledge of specific technical areas but also value the opportunity to work in a variety of broader domains. As Software Engineers, we work with both new and current technology, creating innovative solutions to overcome high-volume obstacles and to deliver player value. Riot Mobile is a personalized, always-on companion that connects players to the full Riot ecosystem—bridging in-game and out-of-game experiences to keep players engaged, informed, and ready to play. Designed as a player’s daily portal into Riot’s worlds, Riot Mobile helps millions of players stay connected to what matters most, from tailored news, patch notes, and esports to social experiences like cross-platform chat and lightweight coordination with friends. As a core surface for engagement beyond the PC or console, Riot Mobile ensures players have meaningful, game-enriching experiences wherever they are. As a Senior Software Engineer on the Riot Mobile team, you’ll build and scale a mobile platform that supports millions of players across Riot’s ecosystem. You’ll work across iOS and Android to develop features spanning personalization, social systems, and cross-game experiences, while owning multi-month technical efforts from discovery through delivery. You’ll collaborate with product, design, and engineering partners to solve ambiguous problems, make impactful technical decisions, and improve the quality and resilience of the platform. Riot Mobile is built with native code, Kotlin Multiplatform (KMP), numerous Riot APIs, AWS Lambdas, some React, embedded multimedia and live streaming, small Spring Boot services, and Riot’s internal SDK.

Requirements

4+ years of professional software engineering experience, including experience building and shipping mobile applications
Bachelor's or Master’s degree in Computer Science or a related field, or comparable experience in software development
Experience working with complex code bases
Experience working with UX and visual designers
Strengths in collaboration, communication, technical requirements gathering, and determining technical strategy

Nice To Haves

Professional experience working with web front end tech (preferably React)
Experience with or willingness to work in Kotlin Multiplatform (KMP)
Professional experience with telemetry and analytics (e.g. Firebase, Statsig, DataDog)
Professional experience with Java Spring Boot services
Understanding of build / deploy automation

Responsibilities

Design, build, and maintain mobile features across iOS and Android that support millions of players across Riot’s ecosystem
Own and execute on multi-month projects, from technical discovery and prototyping through production delivery
Collaborate with product managers, designers, and engineers across teams to break down ambiguous problem spaces and deliver impactful solutions
Make and influence technical decisions at the team level, contributing to architecture, system design, and long-term technical strategy
Write high-quality, maintainable code with appropriate test coverage, and uphold engineering excellence through code reviews and best practices
Improve the reliability and performance of Riot Mobile by contributing to monitoring, on-call rotations, incident response, and root cause analysis
Contribute to and evolve team development processes, CI/CD pipelines, and engineering standards
Mentor and support other engineers through collaboration, code reviews, and knowledge sharing
Partner with teams across Riot to integrate features with shared systems and enable cross-game experiences