Roku Software Engineer Intern - UI Interview Questions (2026)
Cambridge, UK·10 interview reviews·Medium difficulty
Software Engineer Intern - UI Interview Reviews
10Recruiter screen, then a 45-minute coding round. Friendly interviewer. Results in a few days.
“LRU Cache - Design a data structure for Least Recently Used cache”
One round with two problems in 45 min. If you've practiced patterns you're fine — narrate your approach before you code.
“Longest Substring Without Repeating Characters - Find the length of the longest substring without repeating characters”
Straightforward — two medium leetcode-tagged problems in 45 minutes. Very fast paced so watch the clock. Short behavioral at the end.
“How do you handle tight deadlines and pressure?”
Online assessment was tough, but the onsite technical was two standard LC-style problems. Interviewer wanted clear communication before coding.
“Best Time to Buy and Sell Stock - Find the maximum profit from buying and selling one share of stock”
The process was pretty straightforward. It started with an online assessment, followed by a phone screen, and concluded with a final round that had two LeetCode medium difficulty problems.
“LeetCode medium — tree / graph style problem”
Recruiter screen, then a 45-minute coding round. Friendly interviewer. Results in a few days.
“One easy, one medium”
Recruiter screen, then a 45-minute coding round. Friendly interviewer. Results in a few days.
“One easy, one medium”
Straightforward — two medium leetcode-tagged problems in 45 minutes. Very fast paced so watch the clock. Short behavioral at the end.
“Array or string manipulation + one follow-up”
The process was pretty straightforward. It started with an online assessment, followed by a phone screen, and concluded with a final round that had two LeetCode medium difficulty problems.
“LeetCode medium — tree / graph style problem”
Recruiter screen, then a 45-minute coding round. Friendly interviewer. Results in a few days.
“One easy, one medium”
About This Role
Frequently Asked Questions
How hard is it to get hired as a Software Engineer Intern - UI at Roku?
The interview difficulty is rated 3.1/5 by candidates. 63% report a positive experience. Emphasize Data Structures and Algorithms in your prep.
How long does the Roku Software Engineer Intern - UI hiring process take?
The process typically takes 2–6 weeks from application to final decision, depending on the hiring cycle and team availability.
What is the interview process like?
Most candidates go through a recruiter screen, followed by technical coding rounds, and a final interview loop. 74% of candidates applied online.
What questions are asked in a Roku Software Engineer Intern - UI interview?
Common topics include data structures & algorithms, system design for some teams, and behavioral STAR stories. Practice with our AI voice interviewer to tighten delivery.
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