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Riot Games Logo

Principal Software Engineer, Services - Unpublished R&D Product

Riot Games

$246,300 - $343,400
Dec 5, 2025
Los Angeles, CA, US
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Riot Games is looking for a Principal Software Engineer to be responsible for the entire back-end servicing the core gameplay of a new, unpublished R&D Product. This includes defining client-server interactions for high load and high availability, managing infrastructure and compliance, ensuring monitoring and diagnostics, and establishing a solid technical foundation for a global launch at scale.

Requirements

  • 8+ years of experience building large scale backend systems or game services
  • Experience developing large systems from scratch, including gathering requirements and designing scalable, production-ready architecture
  • Expertise with C++, Java, Golang, or any other modern language
  • Experience with cloud computing and cloud technologies
  • Experience working on a global scale online game
  • Experience with Unreal Engine
  • Experience with CI/CD pipelines including Jenkins

Responsibilities

  • Design, build, and deliver internet scale backend services for a genre-defining game we will deliver globally to millions of people
  • Own building features from in-game all the way down to the backend service implementation
  • Build features to improve server reliability and performance
  • Implement server infrastructure in support of new gameplay features
  • Build and support live services for the game
  • Work with cloud technologies and services such as AWS
  • Review and identify risks and requirements for usage of shared technologies owned by other teams

Other

  • Champion the technical vision for the team with production and management
  • Collaborate with leadership on planning and long term vision for gameplay related services
  • Mentor more junior engineers on the team
  • Collaborate effectively with art, design, and other disciplines within game development
  • craft expertise, a collaborative spirit, and decision-making that prioritizes the delight of players.