Low-level designLast reported Apr 2025
Design a Recurring Grocery Subscription Domain
Model a grocery plan whose scheduled cycles can be edited, skipped, renewed, and converted into at most one order.
Open practiceRoku interview practice
Roku interview questions and coding practice Start with verified evidence.
Practice from 2 Roku-tagged public coding problems, organized only by the stage, topic, difficulty, and recency metadata FastPrep can verify. The broader public catalog also includes 1 low-level-design exercise.
- Catalog
- 3 public practice assets (2 coding)
- Start here
- Use the stage named in your invitation
- Evidence
- Onsite metadata, shown in context
Onsite practice path
Onsite
Practice complete solutions and defend the choices behind them. Problems are ranked by repeated public catalog sightings.
2 Roku-tagged Onsite problems available.
| Company | Problem | Difficulty | Public evidence | Action |
|---|---|---|---|---|
RORoku | Max Area of IslandArrayMatrix | Medium | 1 public reportLast reported Apr 2025 | Practice |
RORoku | Minimum Cost for TicketsArrayDynamic Programming | Medium | 1 public reportLast reported Apr 2025 | Practice |
01 · Preparation plan
Turn grid traversal, calendar DP, and recurring subscriptions into a deliberate practice loop.
Roku's set contrasts stateless search with time-based decisions and a recurring domain model, giving candidates three ways to reason about what state must persist. Catalog labels guide practice but do not promise a current or universal hiring loop. This is a suggested practice sequence, not the employer's interview process. Your invitation and recruiter guidance remain the source of truth.
- 01
Practice Max Area of Island
Use Max Area of Island to rehearse grid component traversal. Keep the exercise's published contract separate from assumptions about Roku's current interview process.
- Restate the exact input, output, and constraints for grid component traversal.
- Explain the data structure and complexity before completing the implementation.
- Test a boundary case, a repeated-value case, and the smallest valid input.
- 02
Practice Minimum Cost for Tickets
Use Minimum Cost for Tickets to rehearse calendar-indexed dynamic programming. Keep the exercise's published contract separate from assumptions about Roku's current interview process.
- Restate the exact input, output, and constraints for calendar-indexed dynamic programming.
- Explain the data structure and complexity before completing the implementation.
- Test a boundary case, a repeated-value case, and the smallest valid input.
- 03
Practice Design a Recurring Grocery Subscription Domain
Use Design a Recurring Grocery Subscription Domain to rehearse editable cycles and idempotent order creation. Keep the exercise's published contract separate from assumptions about Roku's current interview process.
- Write the invariants and public operations needed for editable cycles and idempotent order creation.
- Keep state transitions explicit and assign each responsibility once.
- Test an invalid operation and a repeated operation, not only the happy path.
02 · Broader technical practice
Practice beyond standalone coding questions.
These public Roku-tagged exercises cover additional technical formats. They are included only when a verified catalog record and a crawlable practice page both exist.
03 · Evidence boundary
What “Roku interview questions” means here.
It means practicing transferable implementation, testing, and technical reasoning with public catalog assets FastPrep tags to Roku. It does not mean FastPrep has access to the company's assessments or any private interview bank.
Repeated public sightings and last-reported dates can help you prioritize practice, but they cannot predict the questions, format, or platform in a specific interview.
- Only Roku-tagged FastPrep catalog problems appear above.
- Stage labels and report dates remain visible as context.
- No official, private, leaked, or proprietary questions are claimed.
04 · Plain answers
Roku interview practice questions, answered plainly.
This page owns technical-practice intent for Roku. Hiring activity, timelines, and market signals remain on the separate hiring-insights page.
01What evidence supports this Roku interview practice page?
The launch review verified 2 coding exercises, 1 low-level-design exercise (3 total public practice items). The strongest reviewed themes are grid component traversal, calendar-indexed dynamic programming, editable cycles and idempotent order creation. Counts and report labels can change, so use this as a focused practice library and follow your own invitation for the current format, timing, and permitted tools.
02Is FastPrep affiliated with Roku?
No. FastPrep is an independent interview-preparation product and is not affiliated with Roku. The page uses FastPrep's public practice catalog and does not claim official, private, leaked, or proprietary employer questions.
03How are Roku problems assigned to interview stages?
Stage labels come from FastPrep's public problem metadata. A problem can carry more than one reported stage, and hiring processes can change by role, level, location, and date. Treat the labels as preparation context, not a guarantee.
04Which Roku interview stage should I practice first?
Start with the stage named in your invitation or recruiter message. If no stage is known, use the largest available set to build general problem-solving fluency, then rehearse explanation and testing separately.
05Does this page predict the Roku interview process?
No. Public catalog counts, stage tags, and last-reported dates can help prioritize practice, but they cannot predict a specific interview's questions, sequence, timing, or platform.
Your next stage, made concrete
Pick a problem. Solve it end to end.
Start with the stage named in your invitation, then use public evidence as context—not as a promise of what you will be asked.
Open the practice set