The Senior Software Engineer interview at Roku is a comprehensive process designed to assess a candidate's technical expertise, problem-solving abilities, system design skills, and cultural fit. It typically involves multiple rounds, including technical interviews, a system design interview, and a behavioral interview. The goal is to identify candidates who can contribute effectively to Roku's innovative and fast-paced environment.
Rounds·4
Timeline·~7d
Experience·5 - 10 yrs
Comp band·US$130000 - US$180000
Interview time·180 min
Evaluation
Preparation
Tips
Study plan
Fig · Study plan — 04 phases
01 / 04Phase 01 of 04
Weeks 1-2: DSA fundamentals and practice (2-3 problems/day).
Weeks 1-2: Focus on Data Structures and Algorithms. Cover arrays, linked lists, trees, graphs, hash tables, sorting, searching, dynamic programming, and greedy algorithms. Practice implementing these and analyzing their time and space complexity. Aim for 2-3 problems per day.
Phase 02 of 04
Weeks 3-4: System Design concepts and practice (read articles, design common systems).
Weeks 3-4: Dive into System Design. Study concepts like scalability, availability, reliability, load balancing, caching, databases (SQL vs. NoSQL), message queues, and microservices. Review common system design interview questions and practice designing systems like Twitter feed, URL shortener, or a distributed cache. Read relevant articles and blogs.
Phase 03 of 04
Week 5: Behavioral questions preparation (STAR method, reflect on experiences).
Week 5: Focus on Behavioral and Situational Questions. Prepare examples using the STAR method for common questions related to teamwork, conflict resolution, leadership, handling failure, and dealing with ambiguity. Reflect on your past experiences and identify key achievements.
Phase 04 of 04
Week 6: Mock interviews and review weak areas.
Week 6: Mock Interviews and Review. Conduct mock interviews with peers or mentors to simulate the actual interview environment. Focus on communication, problem-solving approach, and time management. Review weak areas identified during practice and mock interviews.
Questions
Locations
Fig · Regions — 02 locations
01 / 02Location
Interview focus
Common questions
Tips
Location
Interview focus
Common questions
Tips
Rounds
Expand a step for evaluation criteria, sample questions, and prep notes.
HR/Recruiter Screen · 30 min · Recruiter / HR
This initial or final touchpoint with HR/Recruiting is to discuss logistics, compensation expectations, and answer any remaining questions you might have about the role, team, or company. It's also an opportunity for them to gauge your overall fit and interest.
What they look for
Evaluation
Sample questions
What are your salary expectations for this role?
Why are you interested in Roku?
Do you have any questions for me about the role or the company?
Prep for this round
Common rejection reasons
Technical Interview (Coding) · 45 min · Software Engineer
This round focuses on your core programming skills. You will be asked to solve 1-2 coding problems, typically involving data structures and algorithms. The interviewer will assess your ability to write clean, efficient, and correct code, as well as your approach to problem-solving and debugging. Expect questions that test your understanding of time and space complexity.
What they look for
Evaluation
Sample questions
Implement a function to reverse a linked list.
Find the median of two sorted arrays.
Given a binary tree, perform a level order traversal.
Prep for this round
Common rejection reasons
System Design Interview · 60 min · Senior Software Engineer / Architect
This round evaluates your ability to design and architect software systems. You'll be presented with a high-level problem (e.g., designing a social media feed, a URL shortener, or a video streaming service) and expected to propose a scalable, reliable, and maintainable solution. Focus on identifying components, data flow, APIs, database choices, and potential bottlenecks.
What they look for
Evaluation
Sample questions
Design a system like Twitter's news feed.
Design a URL shortening service like Bitly.
Design a distributed caching system.
Prep for this round
Common rejection reasons
Behavioral Interview · 45 min · Hiring Manager / Senior Team Member
This round focuses on your behavioral and situational responses. You'll be asked questions about your past experiences, how you handle conflicts, your strengths and weaknesses, and your motivations. The goal is to understand your personality, work style, and how you would fit into the team and company culture. Use the STAR method to structure your answers.
What they look for
Evaluation
Sample questions
Tell me about a time you had a conflict with a colleague and how you resolved it.
Describe a challenging project you worked on and what made it challenging.
How do you stay updated with new technologies?
Tell me about a time you took initiative or demonstrated leadership.
Prep for this round
Common rejection reasons
DSA
Frequently reported on Roku loops
Other guides
