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Riot software engineers bring technical expertise in specific areas, and we also value the opportunity to work in many broader domains. 

As a Principal Software Engineer for the League of Legends: Wild Rift, Client (Game Engine) you will report to the CoreTech Engineering Manager. Our Engineers are player-focused, and aim to find solutions that make players excited to experience our game. We collaborate across all disciplines including Art, Audio, and Game Design. You will work with our primary development partners across multiple locations to help build a globally scalable, highly available, secure, cross-platform game as a service.

Principal Engineers, at Riot, are often called on to help with the hardest problems on a project by using their expertise to find creative solutions and being hands-on writing code. You will require extensive knowledge of mobile game engine development with a focus on systems, architecture, and performance.

For more information on Wild Rift click here! Some amount of travel may be required (~1 week every 8 weeks)


  • Lead and contribute to technical design and implementation, using your expertise to guide tough technical decisions
  • Build expertise of WildRift client code on multiple platforms
  • Work with a globally distributed team to improve WildRift client performance optimization efforts across multiple platforms
  • Collaboration across disciplines and other teams of engineers
  • Mentor and coach to lift the expertise of the engineering team
  • Promote adherence to engineering excellence including: code maintainability, quality, monitoring, operational excellence, and documentation.

Required Qualifications:

  • 10+ years of experience in Software Engineering, with deep practical knowledge in mobile game engine and systems development
  • Experience optimizing mobile code performance
  • Deep expertise in Game Engine development and optimization
  • Expertise in game systems and architecture
  • Experience shipping a game on mobile
  • Experience as a lead and individual contributor on large-scale client development with Unity
  • Expertise with C++ and C#

Desired Qualifications:

  • Experience shipping on multiple platforms (mobile, or cross-platform console games (XBox, PS, Switch, or mobile)
  • Experience working with globally dispersed engineering teams
  • Mandarin language fluency

For this role, you'll find success through craft expertise, a collaborative spiritand 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 the experiences of players, this could be the role for you!

Our Perks:

We offer medical, dental, and vision plans that cover you, your spouse/domestic partner, and children. Life insurance, parental leave, plus short-term and long-term disability coverage are also available. Riot will support your retirement benefits with a company match, and double down on your donations of time and money to non-profit charitable organizations. Balance between work and personal life is encouraged with open paid time off, and a play fund so you can broaden and deepen your personal relationship with games.

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, including the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance relating to an applicant's criminal history (LAMC 189.00).