LinkedIn interview questions

59 questions28 coding5 system design26 behavioral5 freeUpdated

This is every question in the LinkedIn guide, in one list: 28 coding problems, 5 system designs and 26 behavioral questions, drawn from what candidates report about LinkedIn interviews.

Each row shows the round it comes from and links to the lesson that works through it. 5 are free to read in full. The other 54 are Premium, and here you still see their round, difficulty and topic, so you know what you're walking into.

LinkedIn 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.

1Can Place Flowers: Seating Strangers in a TheaterFreePhone screenEasyThe Phone Screen
2Bulb Switcher: The Perfect-Squares TellFreePhone screenMediumThe Phone Screen
3Valid Parentheses: The Config Validator, in O(1) SpaceFreePhone screenEasyThe Phone Screen
4Add Interval: An Online Merging Interval SetFreeCodingMediumThe AI Coding Round
5Premium medium problemCodingMediumArrays, Strings & Hashing
6Premium medium problemCodingMediumArrays, Strings & Hashing
7Premium easy problemCodingEasyArrays, Strings & Hashing
8Premium medium problemCodingMediumGraphs & Trees
9Premium medium problemCodingMediumGraphs & Trees
10Premium medium problemCodingMediumGraphs & Trees
11Premium medium problemCodingMediumGraphs & Trees
12Premium hard problemCodingHardTrees & BSTs
13Premium medium problemCodingMediumTrees & BSTs
14Premium medium problemCodingMediumTrees & BSTs
15Premium hard problemCodingHardTrees & BSTs
16Premium medium problemCodingMediumHeaps & Top-K
17Premium medium problemCodingMediumHeaps & Top-K
18Premium medium problemCodingMediumHeaps & Top-K
19Premium medium problemCodingMediumDynamic Programming
20Premium medium problemCodingMediumDynamic Programming
21Premium medium problemCodingMediumDynamic Programming
22Premium hard problemCodingHardData Structure Design
23Premium medium problemCodingMediumData Structure Design
24Premium hard problemCodingHardData Structure Design
25Premium medium problemCodingMediumCaching & Precomputation
26Premium medium problemCodingMediumCaching & Precomputation
27Premium hard problemCodingHardCaching & Precomputation
28Premium hard problemCodingHardCaching & Precomputation

LinkedIn 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 Top-K over Rolling WindowsFree
2Design the News Feed (Premium)
3Design a Notification System (Premium)
4Design a Distributed KV Store (Premium)
5Design People You May Know (Premium)

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

LinkedIn behavioral interview questions

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

Why LinkedIn & motivation (4)

All 4 are Premium

Members first & mission (3)

All 3 are Premium

Collaboration & One LinkedIn (4)

All 4 are Premium

Conflict & constructive feedback (3)

All 3 are Premium

Ownership & influence (4)

All 4 are Premium

Growth & coaching (3)

All 3 are Premium

Ambiguity & adaptability (3)

All 3 are Premium

Prioritization (2)

All 2 are Premium

Read the LinkedIn behavioral questions

See all 59 LinkedIn questions by name

Premium opens the 54 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 LinkedIn interview guide?

59: 28 coding problems, 5 system designs and 26 behavioral questions. The guide was last updated in November 2026.

Which rounds do these LinkedIn interview questions come from?

Of the 28 coding problems, 3 come from the phone screen and 25 from the coding rounds. The 5 system designs and 26 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 LinkedIn interview questions are free?

5 of the 59 are free to read in full, marked Free in the list. The other 54 come with Premium, which also opens all 100 company guides.