Meta Frontend Engineer interview questions and process

Updated 24 Sep 2026 · 13 sources

Hiring Pulse: where Meta candidates are right now

Dated status reports from public Reddit threads and anonymous PortLume reports, updated Oct 17. Not official Meta data.

5 status reports in the last 7 days
Not enough data yet: median from final interview to a decision shows at 5+ people
Latest movement: 1 offer, 2 final rounds, 1 interview reported since Oct 11

Latest Meta hiring reports

Oct 16: Final round Oct 14 then Interview Oct 16 (r/FAANGrecruiting)
Oct 16: Offer Oct 16 (r/FAANGrecruiting)
Oct 13: Applied Oct 6 (r/csMajors)
Oct 12: Final round Oct 12 (r/internships)
Oct 10: Applied Sep 29 (r/cscareerquestions)

Candidates rate the Meta Frontend Engineer interview Medium-Hard: Frontend loop at Meta is JS/UI-heavy with a dedicated frontend system design round, and the one detailed London frontend report shows a phone screen plus a same-day 4-round loop with coding concerns flagged even on a pass. Reports describe 6 rounds, from Recruiter/HR phone call to Onsite loop: Behavioral (STAR), with about About 6-10 weeks from application to loop decision based on the London frontend report (Jan application, HR call, screen ~2 weeks later, then ~1 month prep before the onsite); treat as approximate. from first call to offer.

Difficulty: Medium-Hard
Skills asked about: JavaScript fundamentals (closures, async, timers, array/object manipulation), Frontend coding in a shared editor (CoderPad), React/UI component design and rendering performance

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Meta Frontend Engineer interview rounds

Recruiter/HR phone call: Recruiter call screens background and sets the phone screen date, typically ~2 weeks out per the London frontend report.
Technical phone screen (JavaScript coding, CoderPad)
Onsite loop: Frontend coding round 1
Onsite loop: Frontend coding round 2
Onsite loop: Frontend/UI system design
Onsite loop: Behavioral (STAR)

Questions reported in Meta Frontend Engineer interviews

Write a function to clear all setTimeout.
Optimize a function that filters an object of arrays based on another object of arrays.
Write a function to implement Array.flat().
Write a function to find the corresponding node in two trees.
Design a reusable UI component and discuss its state, props, and rendering performance.
Frontend/UI system design for a feed or list view at scale, covering rendering, caching, and data fetching.

Practise any of these with timed AI feedback and a full Meta mock: free account.

Meta Frontend Engineer interview: quick answers

How many rounds are in the Meta Frontend Engineer interview?

Public reports describe 6 rounds for the Meta Frontend Engineer interview: (1) Recruiter/HR phone call, (2) Technical phone screen, (3) Onsite loop: Frontend coding round 1, (4) Onsite loop: Frontend coding round 2, (5) Onsite loop: Frontend/UI system design, (6) Onsite loop: Behavioral.

Is the Meta interview difficult?

Public reports put the Meta Frontend Engineer interview at Medium-Hard difficulty. Frontend loop at Meta is JS/UI-heavy with a dedicated frontend system design round, and the one detailed London frontend report shows a phone screen plus a same-day 4-round loop with coding concerns flagged even on a pass.

Does Meta ask DSA in Frontend Engineer interviews?

Yes. Rounds that involve coding: Technical phone screen (JavaScript coding, CoderPad), Onsite loop: Frontend coding round 1, Onsite loop: Frontend coding round 2. Reported coding questions include "Write a function to implement Array.flat()". Based on 13 public reports, last updated Sep 2026.

How long does Meta take to give results?

Time to a result for the Meta Frontend Engineer process, per public reports: About 6-10 weeks from application to loop decision based on the London frontend report (Jan application, HR call, screen ~2 weeks later, then ~1 month prep before the onsite); treat as approximate.

Sources

Based on 13 public reports: YouTube (7), LeetCode Discuss (6), last updated Sep 2026.

Compiled by Adarsh Sharma from public candidate reports. Unofficial guide: PortLume AI is not affiliated with Meta.

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