Meta interview questions

61 questions28 coding5 system design28 behavioral10 freeUpdated

This is every question in the Meta guide, in one list: 28 coding problems, 5 system designs and 28 behavioral questions, drawn from what candidates report about Meta interviews.

Each row shows the round it comes from and links to the lesson that works through it. 10 are free to read in full. The other 51 are Premium, and here you still see their round, difficulty and topic, so you know what you're walking into.

Meta coding interview questions

28 problems, in the order the guide teaches them. Each lesson gives the full problem, a worked solution and the follow-ups interviewers tend to add.

1Minimum Remove to Make Valid ParenthesesFreeMediumStrings & Stacks
2Basic Calculator IIFreeMediumStrings & Stacks
3Valid Palindrome IIFreeEasyStrings & Stacks
4Custom Sort String: Counting SortFreeMediumStrings & Stacks
5Merge Intervals: Sort and SweepFreeMediumArrays & Two Pointers
63Sum: Sort and Two PointersFreeMediumArrays & Two Pointers
7Next Permutation: In-Place RearrangeFreeMediumArrays & Two Pointers
8Subarray Sum Equals K: Prefix Sum and Hash MapFreeMediumArrays & Two Pointers
9User Interest Vectors: Dot Product of Two Sparse VectorsFreeMediumArrays & Two Pointers
10Premium medium problemMediumMore Arrays & Trees
11Premium medium problemMediumMore Arrays & Trees
12Premium easy problemEasyMore Arrays & Trees
13Premium easy problemEasyMore Arrays & Trees
14Premium medium problemMediumTrees
15Premium medium problemMediumTrees
16Premium medium problemMediumTrees
17Premium medium problemMediumGraphs & Grids
18Premium medium problemMediumGraphs & Grids
19Premium medium problemMediumGraphs & Grids
20Premium medium problemMediumGraphs & Grids
21Premium hard problemHardGraphs & Grids
22Premium medium problemMediumGraphs & Grids
23Premium medium problemMediumHeaps & Top-K
24Premium medium problemMediumHeaps & Top-K
25Premium medium problemMediumHeaps & Top-K
26Premium medium problemMediumDesign & Math
27Premium medium problemMediumDesign & Math
28Premium medium problemMediumDesign & Math

Meta system design interview questions

5 designs, each worked end to end in its own lesson, from requirements to the architecture and its trade-offs.

#Question
1Design the News FeedFree
2Design Live Comments (Premium)
3Design Messenger / WhatsApp (Premium)
4Design Instagram (Premium)
5Design Food Delivery (Premium)

A lock means the design is named here and its walkthrough is Premium.

Meta behavioral interview questions

28 questions, grouped by what the interviewer is testing. The lesson explains why each one gets asked and what a strong answer covers.

Conflict & disagreement (4)

All 4 are Premium

Growth & failure (4)

All 4 are Premium

Drive & motivation (4)

All 4 are Premium

Proactivity & ambiguity (4)

All 4 are Premium

Teamwork & cross-functional work (4)

All 4 are Premium

Deadlines & moving fast (3)

All 3 are Premium

Why Meta (2)

All 2 are Premium

Leadership & influence (3)

All 3 are Premium

Read the Meta behavioral questions

See all 61 Meta questions by name

Premium opens the 51 locked questions on this page, each with the full prompt and a worked answer, and every other lesson in all 100 company guides.

Common questions

How many questions are in the Meta interview guide?

61: 28 coding problems, 5 system designs and 28 behavioral questions. The guide was last updated in November 2026.

Which rounds do these Meta interview questions come from?

All 28 coding problems come from the coding rounds. The 5 system designs and 28 behavioral questions come from the system design and behavioral rounds. Every row in the list carries its round, so you can start with the one you have booked.

Which Meta interview questions are free?

10 of the 61 are free to read in full, marked Free in the list. The other 51 come with Premium, which also opens all 100 company guides.