Overview
Meta's loop is often an online assessment and a phone screen, then an onsite with coding, a design round from E4 up, and a behavioral round. In loops since late 2025, one of the two coding rounds is swapped for a 60-minute AI-enabled round. Product and full-stack roles often get product architecture instead of system design.
Coding rounds are fast: often two problems in about 45 minutes, many of them well-known LeetCode questions, sometimes with a small twist. For E5 and above, candidates say the design and behavioral rounds decide your level, so give them as much prep time as coding.
Below is what people get asked in each one and what to study.
System design interviews
Questions usually ask you to design a consumer product, like feeds, per-user rankings or a delivery app. Expect a lot on fan-out, caching and the data model.
What people get asked
- Show each listener their top 10 songs
- Build a coding contest platform
- Design a food delivery app
- Design a news feed
Coding interviews
Two problems in about 45 minutes is normal, mostly well-known LeetCode questions. Speed and clear explanations both matter.
What people get asked
- Raise a number to a power
- Fix unbalanced parentheses
- Vertical order of a tree
- Make the largest island
The rest of the process
Your recruiter will walk you through this, but here's the quick version.
| Stage | Length | What happens |
|---|---|---|
| Recruiter screen | Short call | Your background and the role |
| Online assessment | 90 min | Many recent loops: one problem in four levels that build on each other, plus a work-style questionnaire |
| Phone screen | 45 min | Usually two coding problems |
| Onsite coding | 1–2 rounds, 45 min each | Usually two problems per round. Newer loops have one of these, older ones two |
| AI-enabled coding | 1 round, 60 min | Replaces one coding round in newer loops. You work in a small existing codebase with an AI assistant: read it, debug, fill in and optimize |
| System design or product architecture | 1–2 rounds | From E4 up, more at senior levels. Which one you get depends on your role |
| Behavioral | 45 min | Conflict, ambiguity, setbacks and your biggest projects |
Sources
We pulled this together from candidates' own write-ups of their interviews. They don't always agree, and things change over time.
- LeetCode Discuss: Meta E5 offer, Menlo Park (2024)
- LeetCode Discuss: Meta E4 onsite passed (Feb 2025)
- LeetCode Discuss: Meta E5 onsite, Bangalore (2025)
- LeetCode Discuss: Meta product E4, news feed design (2025)
- LeetCode Discuss: Meta full loop with AI-enabled round (Oct 2025)
- LeetCode Discuss: Meta SDE2, AI-enabled round and product architecture (Nov 2025)
- LeetCode Discuss: Meta E4 US offer, DoorDash design (Dec 2025)
- LeetCode Discuss: Meta E4 Bangalore, AI coding and product architecture (2026)
Practice Loop is an independent practice tool and isn't affiliated with or endorsed by Meta.