Senior Software Engineer - Matchmaking

Riot Engineers bring deep knowledge of specific technical areas but also value the chance to work in many broader domains. As a Senior Software Engineer, you’ll also dive into projects that focus on team cohesiveness and cross-team objectives. You’ll lead without authority and provide other engineers with a clear illustration of extraordinary engineering.

The Matchmaking team is responsible for building the services that power matchmaking, skill determination, and rank across many of our games. These services play a critical role in creating high quality matches of competitive skill to ensure everyone is having a great multiplayer experience. You will have the opportunity to work on optimizing matchmaking and skill algorithms, as well as the distributed system that computes the real-time needs of millions of players and orchestrates the creation of matches between services and clients. As a Senior Software Engineer on the Player Platform’s Matchmaking team, you will play a critical role in building and managing the Matchmaking service which plays a critical part in the player experience of our games. You will report to the Engineering Manager of the Matchmaking team.

• Develop and support our Matchmaking, Skill, and Rank services
• Support our suite of mission-critical Java and C# services at a globally distributed scale
• Partner with product owners and technical leads to build and operate features end-to-end
• Provide high-quality software by writing unit, functional, and integration tests
• Invest in team’s complete ownership of our products by participating in on-call rotation
• Mentor other engineers in your areas of expertise

• Bachelor’s degree in Computer Science or a related field, or equivalent experience
• 5+ years of experience in a software engineering role (i.e. software, systems, architecture)
• Expertise in Golang, C#, and familiarity with Java / Kotlin / Typescript.
• Experience with the following: microservices architecture, client/service application architecture, API architecture and development
• Experience with cross-team collaboration and communication

• Familiarity with “Infrastructure as Code” and tooling like Terraform, Docker and Jenkins
• Familiarity with Cloud Platform providers like AWS or GCP
• Familiarity with client / full-stack development
• Familiarity with data analysis, probability, statistics, and data engineering
• Expertise operating distributed services at high scale

For this role, you'll find success through craft expertise, a collaborative spirit, and decision-making that prioritizes your fellow Rioters, who are the customers of your work. Being a dedicated fan of games is not necessary for this position!

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.