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Barclays interview questions

59 questions30 coding1 system design28 behavioral7 freeUpdated

This is every question in the Barclays guide, in one list: 30 coding problems, 1 system design and 28 behavioral questions, drawn from what candidates report about Barclays interviews.

Each row shows the round it comes from and links to the lesson that works through it. 7 are free to read in full. The other 52 are Premium, and here you still see their round, difficulty and topic, so you know what you're walking into.

Open the Barclays guide Unlock all 59

Barclays coding interview questions

30 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.

1Candy Store: Minimum and Maximum SpendFreeMediumGreedy, Grids & Combinations
2Maximum Applications Executed: Interval SchedulingFreeMediumGreedy, Grids & Combinations
3Toll Roads: Busiest Edge by Path CountFreeMediumGreedy, Grids & Combinations
4Palindromic Sub-matrix: Largest Symmetric SquareFreeMediumGreedy, Grids & Combinations
5All Combinations of a Given LengthFreeMediumGreedy, Grids & Combinations
6Decode Ways: Count the DecodingsFreeMediumGreedy, Grids & Combinations
7Premium hard problemHardString Problems
8Premium hard problemHardString Problems
9Premium medium problemMediumString Problems
10Premium medium problemMediumSorting, Pairs and Intervals
11Premium medium problemMediumSorting, Pairs and Intervals
12Premium medium problemMediumSorting, Pairs and Intervals
13Premium easy problemEasyArray and Number Puzzles
14Premium easy problemEasyArray and Number Puzzles
15Premium medium problemMediumArray and Number Puzzles
16Premium easy problemEasyArray and Number Puzzles
17Premium medium problemMediumGraphs and Geometry
18Premium medium problemMediumGraphs and Geometry
19Premium hard problemHardGraphs and Geometry
20Premium medium problemMediumDynamic Programming
21Premium hard problemHardDynamic Programming
22Premium medium problemMediumDynamic Programming
23Premium medium problemMediumDynamic Programming
24Premium easy problemEasyCoding in the Interview Round
25Premium easy problemEasyCoding in the Interview Round
26Premium medium problemMediumCoding in the Interview Round
27Premium medium problemMediumCoding in the Interview Round
28Premium medium problemMediumCoding in the Interview Round
29Premium easy problemEasyCoding in the Interview Round
30Premium easy problemEasySQL & CS Fundamentals

Barclays system design interview questions

1 design, worked end to end in its own lesson, from requirements to the architecture and its trade-offs.

#Question
1Design a Transaction Fraud PipelineFree

Barclays 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.

Respect (4)

All 4 are Premium

Integrity (4)

All 4 are Premium

Service (4)

All 4 are Premium

Excellence (4)

All 4 are Premium

Stewardship (4)

All 4 are Premium

Resume and project deep-dive (4)

All 4 are Premium

"Why Barclays?" and motivation (4)

All 4 are Premium

Read the Barclays behavioral questions

See all 59 Barclays questions by name

Premium opens the 52 locked questions on this page, each with the full prompt and a worked answer, and every other lesson in all 100 company guides.

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Common questions

How many questions are in the Barclays interview guide?

59: 30 coding problems, 1 system design and 28 behavioral questions. The guide was last updated in November 2026.

Which rounds do these Barclays interview questions come from?

All 30 coding problems come from the coding rounds. The one system design 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 Barclays interview questions are free?

7 of the 59 are free to read in full, marked Free in the list. The other 52 come with Premium, which also opens all 100 company guides.