Riot Games

Riot Games's Interview Process (2026)

Blog / Riot Games's Interview Process (2026)

The Riot Games software engineer interview process typically spans 4 to 8 weeks and involves around 4 to 6 rounds covering technical depth, system design, and cultural alignment. The process can vary by team and role level, but most candidates report a consistent structure that looks something like this:

Recruiter Screen: A conversational call, usually around 30 minutes, focused on your background, your interest in Riot, and your familiarity with the player experience. Recruiters are generally looking for a genuine understanding of what it means to build for players.
Technical Assessment: Depending on your role level, this is typically either an Online Assessment (OA) on HackerRank or a live Technical Screen via CoderPad. The OA usually features 4 to 5 questions built around a single theme, like managing game state, and gives you around 2 hours to complete them.
Craft Interview: A 60-minute deep dive into your specific engineering discipline, whether that is backend, gameplay, or tools. Expect to discuss past architectural decisions and possibly work through problems relevant to the team's stack.
System Design Interview: Primarily for mid-level and senior roles, this round runs around 60 minutes and focuses on designing systems that can support millions of concurrent players. Trade-offs around latency, reliability, and scale are central to the discussion.
Values and Behavioral Interview: A dedicated round, typically 45 to 60 minutes, to assess alignment with Riot's core values like 'Player Experience First' and 'Stay Hungry, Stay Humble'. This round carries as much weight as the technical rounds.
Final Team Match: A closing conversation, usually around 45 to 60 minutes, to confirm fit with the specific team you would be joining. Some candidates also report an executive-level round at this stage.

To prepare effectively for each of these stages, focus your study plan on these key areas:

Data Structures & Algorithms (DSA): Coding challenges with a strong emphasis on game-state simulation, grid problems, and hash-based lookups.
System Design: Designing large-scale live-service systems like matchmaking, leaderboards, and real-time game infrastructure.
Behavioral and Values: Riot-specific cultural alignment questions testing player empathy, technical ownership, and collaborative humility.

1. Data Structures & Algorithms (DSA)Riot's coding rounds tend to focus on simulation, matrix manipulation, hash tables, and backtracking. Many problems are framed around game logic, such as tracking game state across a grid or finding the shortest path through a game map. Problems like Shortest Path in a Game Map and Game of Life are representative of the kind of spatial, state-based thinking Riot values.For the OA specifically, questions are often interconnected and build on each other within a single game-themed scenario. Watch out for off-by-one errors in 2D coordinate handling, as grid-based simulations are common and small indexing mistakes can cascade across multiple sub-problems.Clean, readable code matters more here than at many other companies. Interviewers weigh maintainability alongside correctness, so use descriptive variable names and talk through your trade-offs. Start with our top 100 DSA questions to cover the core problem types, and pay particular attention to matrix problems and graph traversal questions given how frequently Riot frames problems around grids and pathfinding.

2. System DesignSystem design rounds at Riot center on live-service reliability and scale. You will typically be asked to design something like a matchmaking system, a real-time leaderboard, or a global in-game store, all of which need to support millions of concurrent players. The interviewer is primarily interested in how you reason about latency, fault tolerance, and trade-offs under load.A question like designing a matchmaking system is a classic Riot prompt. Think through how you would handle player queues, skill-based grouping, and failover. Practice working through these scenarios interactively using our System Design Whiteboard before your interview.If you want to build a stronger foundation before tackling full designs, review system design core concepts and then work through High-Level Design case studies that mirror live-service architectures.

3. Behavioral and ValuesRiot treats the Values interview as seriously as any technical round. They are specifically screening for low ego, high ambition, and genuine player empathy. Candidates who are technically strong but come across as dismissive of the player experience are regularly cut at this stage.Prepare 3 to 5 stories that connect a technical decision you made to a direct benefit for the end user. A prompt like 'Tell me about a time you disagreed with a design decision because it negatively impacted the player' is a good example of what to expect. Structure your answers using the STAR principle to keep your responses clear and grounded.You should also come ready to discuss Riot's games from a developer's perspective. Having a specific feature you would improve in League of Legends, Valorant, or TFT, and explaining the engineering reasoning behind it, goes a long way in showing genuine player mindset. The Behavioral Playbook is a solid resource for building out your story bank before this round.

ConclusionRiot's interview process rewards candidates who combine solid technical fundamentals with genuine care for the player experience. Nail your coding foundations, practice live-service system design, and prepare your player-first stories before you walk in. Follow the Riot Games Interview Roadmap for a structured, step-by-step plan to work through every stage.