Design a Following News Feed Service
Design a scalable reverse-chronological feed for posts from authors a user currently follows.
Open practiceZoom interview practice
Practice from 4 Zoom-tagged public coding problems, organized only by the stage, topic, difficulty, and recency metadata FastPrep can verify. The broader public catalog also includes 1 system-design exercise.
OA practice path
Build a timed implementation rhythm from prompt to edge cases. Problems are ranked by repeated public catalog sightings.
| Company | Problem | Difficulty | Public evidence | Action |
|---|---|---|---|---|
ZOZoom | Stable Parity PartitionArraySorting | Easy | 1 public reportLast reported May 2023 | Practice |
Onsite practice path
Practice complete solutions and defend the choices behind them. Problems are ranked by repeated public catalog sightings.
3 Zoom-tagged Onsite problems available.
| Company | Problem | Difficulty | Public evidence | Action |
|---|---|---|---|---|
ZOZoom | Batch Caesar CipherStringSimulation | Easy | 1 public reportLast reported May 2023 | Practice |
ZOZoom | Custom Hash Map OperationsHash TableDesign | Medium | 1 public reportLast reported May 2023 | Practice |
ZOZoom | Valid ParenthesesStringStack | Easy | 1 public reportLast reported May 2023 | Practice |
01 · Preparation plan
Zoom has a search-intent collision with any interview held by video call. This page instead targets software-engineering practice for the company. Its reviewed coding reports are older, so hash maps, stable partitioning, and bracket validation are framed as transferable exercises rather than current-process evidence. This is a suggested practice sequence, not the employer's interview process. Your invitation and recruiter guidance remain the source of truth.
The custom hash-map exercise asks for clear insertion, update, lookup, and deletion behavior. Collision handling is part of correctness, not just performance.
Stable parity partition is different from an arbitrary even-odd rearrangement. Decide whether auxiliary storage is allowed before selecting an implementation.
Use valid parentheses to practice stack semantics across several delimiter types. Matching counts do not imply correct nesting.
02 · Broader technical practice
These public Zoom-tagged exercises cover additional technical formats. They are included only when a verified catalog record and a crawlable practice page both exist.
Design a scalable reverse-chronological feed for posts from authors a user currently follows.
Open practice03 · Evidence boundary
It means practicing transferable implementation, testing, and technical reasoning with public catalog assets FastPrep tags to Zoom. 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.
04 · Plain answers
This page owns technical-practice intent for Zoom. Hiring activity, timelines, and market signals remain on the separate hiring-insights page.
No. It is company-focused programming practice, not video-call etiquette or general remote interviewing advice. The public records also include historical reports, so this page does not claim a current Zoom hiring sequence or platform-specific assessment format.
No. FastPrep is an independent interview-preparation product and is not affiliated with Zoom. The page uses FastPrep's public practice catalog and does not claim official, private, leaked, or proprietary employer questions.
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.
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.
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
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