# Associate Software Engineer **Role:** Software Engineer · **Level:** P1 **Company:** [Riot Games](https://scaleengineer.com/companies/riot-games) **Difficulty:** Medium **Salary:** US$75000 - US$95000 **Experience:** 0 - 2 **Timeline:** ~14 days This interview process is designed to assess candidates for the Associate Software Engineer (P1) role at Riot Games. It evaluates foundational technical skills, problem-solving abilities, and cultural fit within Riot's collaborative and player-focused environment. Canonical: https://scaleengineer.com/interviews/riot-games/p1-software-engineer --- ## Overall evaluation - Technical Skills - Communication - Cultural Fit ## Questions asked - Given an array of integers, find the contiguous subarray with the largest sum. - Implement a function to reverse a linked list. - Write a program to check if a binary tree is a Binary Search Tree (BST). - Describe a situation where you had to debug a complex piece of code. What was your approach? - How would you design a system to handle user authentication for a web application? - Tell me about a time you disagreed with a team member. How did you resolve it? - What are your favorite games, and why? - How do you prioritize your work when you have multiple tasks with competing deadlines? - Explain the concept of recursion with an example. - What is the difference between a process and a thread? ## Preparation tips ### lists - Review fundamental computer science concepts (data structures, algorithms, complexity analysis). - Practice coding problems on platforms like LeetCode, HackerRank, or Coderbyte. - Understand object-oriented programming principles. - Prepare to discuss your past projects and technical contributions in detail. - Research Riot Games' products, values, and company culture. - Practice behavioral interview questions using the STAR method (Situation, Task, Action, Result). - Prepare thoughtful questions to ask the interviewers. ### studyPlan - {"title":"Data Structures","longDescription":"Weeks 1-2: Focus on core data structures (Arrays, Linked Lists, Stacks, Queues, Trees, Graphs, Hash Tables) and their common operations and time complexities. Practice implementing them and solving problems involving them.","shortDescription":"Weeks 1-2: Data Structures. Cover Arrays, Linked Lists, Stacks, Queues, Trees, Graphs, Hash Tables."} - {"title":"Algorithms","longDescription":"Weeks 3-4: Dive into algorithms, including sorting (Bubble Sort, Merge Sort, Quick Sort), searching (Binary Search), graph traversal (BFS, DFS), dynamic programming, and greedy algorithms. Understand their applications and time/space complexity.","shortDescription":"Weeks 3-4: Algorithms. Cover Sorting, Searching, Graph Traversal, DP, Greedy."} - {"title":"Object-Oriented Programming","longDescription":"Week 5: Practice object-oriented programming (OOP) concepts such as encapsulation, inheritance, polymorphism, and abstraction. Work on coding problems that require designing classes and objects.","shortDescription":"Week 5: OOP Concepts. Focus on Encapsulation, Inheritance, Polymorphism, Abstraction."} - {"title":"Behavioral Preparation","longDescription":"Week 6: Prepare for behavioral questions by reflecting on your past experiences. Use the STAR method to structure your answers for common questions about teamwork, problem-solving, and challenges.","shortDescription":"Week 6: Behavioral Prep. Use STAR method for teamwork, problem-solving, challenges."} - {"title":"Company Research & Questions","longDescription":"Week 7: Research Riot Games thoroughly. Understand their games, company culture, values, and recent news. Prepare questions to ask the interviewers that demonstrate your interest and engagement.","shortDescription":"Week 7: Company Research. Understand Riot's games, culture, values. Prepare questions."} ## Location differences - {"location":"Los Angeles","differences":{"tips":["Familiarize yourself with common data structures and algorithms.","Be prepared to discuss your projects in detail.","Research Riot Games' values and culture."],"interviewFocus":["Understanding of core programming concepts.","Ability to articulate technical solutions clearly.","Teamwork and communication skills."],"commonQuestions":["Describe a challenging technical problem you solved in a recent project.","How do you approach debugging a complex issue?","Tell me about a time you had to work with a difficult teammate."]}} - {"location":"Seattle","differences":{"tips":["Practice writing clean, well-documented code.","Understand the software development lifecycle.","Be ready to discuss your preferred development tools and workflows."],"interviewFocus":["Code quality and best practices.","Familiarity with software development tools and processes.","Adaptability to different development environments."],"commonQuestions":["How do you ensure the quality and maintainability of your code?","Describe your experience with version control systems like Git.","What are your thoughts on agile development methodologies?"]}} - {"location":"Austin","differences":{"tips":["Showcase your passion for technology and gaming.","Be open and honest in your responses.","Connect your skills and interests to Riot's specific needs."],"interviewFocus":["Continuous learning and self-improvement.","Openness to feedback and growth.","Passion for gaming and Riot's mission."],"commonQuestions":["How do you stay updated with new technologies and programming languages?","Tell me about a time you received constructive criticism and how you acted on it.","What interests you about working at Riot Games specifically?"]}} ## Round 1: Recruiter Screen **Type:** HR Screening · **Difficulty:** Easy · **Duration:** 30 min HR screen to assess basic qualifications and cultural fit. This initial screening round is conducted by an HR representative or recruiter to assess your general qualifications, interest in Riot Games, and basic understanding of the role. They will ask about your resume, career aspirations, and why you're interested in Riot. It's also an opportunity for you to learn more about the company and the role. **Interviewers look for:** Foundational coding skills.; Logical thinking.; Clear communication. **Evaluation criteria:** Basic understanding of data structures and algorithms.; Ability to write simple, correct code.; Communication of thought process. **Common rejection reasons:** Inability to articulate thought process clearly.; Lack of fundamental programming knowledge.; Poor problem-solving approach. ## Questions - Tell me about yourself and your background. - Why are you interested in this role at Riot Games? - What are your strengths and weaknesses? - What are your salary expectations? ## Preparation tips - Review your resume and be ready to discuss your experience. - Prepare a concise answer to 'Why Riot Games?' - Practice your elevator pitch. - Be enthusiastic and professional. ## Round 2: Data Structures and Algorithms Interview **Type:** Technical Interview (DSA) · **Difficulty:** Medium · **Duration:** 60 min Coding challenge focusing on data structures and algorithms. This is a technical interview focused on data structures and algorithms. You will be asked to solve one or two coding problems, typically on a shared online editor. The interviewer will assess your ability to understand the problem, devise an efficient solution, implement it correctly, and explain your thought process and the complexity of your solution. **Interviewers look for:** Proficiency in a chosen programming language.; Understanding of data structures and algorithms.; Ability to translate a problem into code.; Systematic approach to problem-solving. **Evaluation criteria:** Correctness of the solution.; Efficiency of the algorithm (time and space complexity).; Code clarity and readability.; Ability to test and debug code.; Problem-solving approach. **Common rejection reasons:** Incorrect or inefficient algorithm implementation.; Failure to handle edge cases.; Inability to explain the time and space complexity of the solution.; Poor coding style or syntax errors. ## Questions - Given a string, find the length of the longest substring without repeating characters. - Implement a function to find the k-th smallest element in an unsorted array. - Validate if a given binary tree is a valid Binary Search Tree. ## Preparation tips - Practice coding problems focusing on arrays, strings, linked lists, trees, graphs, and hash maps. - Understand Big O notation for time and space complexity. - Practice explaining your solutions out loud. - Be prepared to discuss trade-offs between different approaches. ## Round 3: System Design Interview **Type:** Technical Interview (System Design) · **Difficulty:** Medium · **Duration:** 60 min System design challenge to assess architectural thinking. This round focuses on system design and architecture. You'll be presented with a high-level problem (e.g., design a URL shortener, design a social media feed) and asked to design a system to solve it. The interviewer will evaluate your ability to break down the problem, identify key components, discuss trade-offs, and consider scalability and performance. **Interviewers look for:** Understanding of distributed systems concepts.; Ability to think about system architecture.; Pragmatic approach to problem-solving.; Consideration of non-functional requirements (scalability, availability, performance). **Evaluation criteria:** Ability to design scalable and reliable systems.; Understanding of system components (databases, APIs, caching, load balancing).; Trade-off analysis and justification of design choices.; Communication of design ideas.; Consideration of edge cases and failure scenarios. **Common rejection reasons:** Lack of understanding of system design principles.; Inability to handle scale and performance considerations.; Poor trade-off analysis.; Difficulty in communicating complex system designs. ## Questions - Design a system like Twitter's timeline. - Design a rate limiter for an API. - How would you design a distributed cache? ## Preparation tips - Study common system design patterns and concepts. - Understand database choices (SQL vs. NoSQL), caching strategies, and load balancing. - Practice designing systems for scale. - Be prepared to justify your design decisions. ## Round 4: Hiring Manager Interview **Type:** Behavioral and Managerial Interview · **Difficulty:** Medium · **Duration:** 45 min Managerial discussion focusing on behavioral aspects and team fit. This interview is with the hiring manager, who will focus on your behavioral and situational responses. They want to understand how you approach work, collaborate with others, handle challenges, and fit into the team and company culture. Expect questions about your past experiences, how you've handled specific situations, and your career goals. **Interviewers look for:** How you handle challenges and conflicts.; Your ability to work in a team.; Your growth mindset.; Your passion for Riot's mission and games. **Evaluation criteria:** Teamwork and collaboration skills.; Problem-solving approach in team settings.; Adaptability and learning agility.; Cultural alignment with Riot Games.; Motivation and passion for gaming and technology. **Common rejection reasons:** Poor communication or interpersonal skills.; Lack of enthusiasm or passion for the role/company.; Inability to provide specific examples for behavioral questions.; Poor alignment with company values. ## Questions - Tell me about a time you faced a significant technical challenge and how you overcame it. - Describe a situation where you had a conflict with a colleague. How did you resolve it? - How do you handle constructive criticism? - What are you passionate about outside of work? ## Preparation tips - Prepare specific examples using the STAR method for common behavioral questions. - Think about your career goals and how this role aligns with them. - Show genuine enthusiasm for Riot Games and the position. - Be ready to discuss your strengths and how you contribute to a team.