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73+ Intuit questions

Intuit interview questions and how to prepare

The questions candidates report from Intuit interviews, sorted by how often they come up, with difficulty and topics, plus original practice written in Intuit's interview style.

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ZorixOS tracks 73 community-reported Intuit interview questions, drawn from an open-source dataset of real interview reports and sorted by how frequently each one comes up. Every question links to its source. Alongside them are 78 original ZorixOS practice questions written in Intuit's known interview style (not claimed as asked at Intuit), so you can rehearse the real format. Practice any of them out loud in a free AI mock interview tuned to Intuit.

Updated July 2026

Intuit interview questions candidates report

Community-reported from real Intuit interviews (open-source dataset), most-asked first. Showing 60 of 73. Each links to its source.

  1. Coin Change
    ArrayDynamic ProgrammingBreadth-First Search
    Medium100% asked
  2. Minimum Number of Taps to Open to Water a Garden
    ArrayDynamic ProgrammingGreedy
    Hard100% asked
  3. Plus One
    ArrayMath
    Easy100% asked
  4. Valid Parentheses
    StringStack
    Easy100% asked
  5. Course Schedule II
    Depth-First SearchBreadth-First SearchGraphTopological Sort
    Medium94% asked
  6. Most Profitable Path in a Tree
    ArrayTreeDepth-First SearchBreadth-First Search
    Medium93% asked
  7. Maximum Product of Three Numbers
    ArrayMathSorting
    Easy91% asked
  8. LRU Cache
    Hash TableLinked ListDesignDoubly-Linked List
    Medium89% asked
  9. Basic Calculator IV
    Hash TableMathStringStack
    Hard87% asked
  10. Destroy Sequential Targets
    ArrayHash TableCounting
    Medium87% asked
  11. Length of the Longest Subsequence That Sums to Target
    ArrayDynamic Programming
    Medium87% asked
  12. Make String Anti-palindrome
    StringGreedySortingCounting Sort
    Hard87% asked
  13. Max Area of Island
    ArrayDepth-First SearchBreadth-First SearchUnion Find
    Medium87% asked
  14. Maximum Difference Score in a Grid
    ArrayDynamic ProgrammingMatrix
    Medium87% asked
  15. Maximum Total Beauty of the Gardens
    ArrayTwo PointersBinary SearchGreedy
    Hard87% asked
  16. Number of Distinct Substrings in a String
    StringTrieRolling HashSuffix Array
    Medium87% asked
  17. Number of Substrings With Fixed Ratio
    Hash TableMathStringPrefix Sum
    Medium87% asked
  18. Sudoku Solver
    ArrayHash TableBacktrackingMatrix
    Hard84% asked
  19. Rotting Oranges
    ArrayBreadth-First SearchMatrix
    Medium82% asked
  20. Product of Array Except Self
    ArrayPrefix Sum
    Medium81% asked
  21. Two Sum
    ArrayHash Table
    Easy74% asked
  22. Employee Free Time
    ArrayLine SweepSortingHeap (Priority Queue)
    Hard73% asked
  23. Minimum Limit of Balls in a Bag
    ArrayBinary Search
    Medium73% asked
  24. Russian Doll Envelopes
    ArrayBinary SearchDynamic ProgrammingSorting
    Hard73% asked
  25. Logger Rate Limiter
    Hash TableDesignData Stream
    Easy71% asked
  26. Spiral Matrix
    ArrayMatrixSimulation
    Medium71% asked
  27. Unique Email Addresses
    ArrayHash TableString
    Easy70% asked
  28. Word Break
    ArrayHash TableStringDynamic Programming
    Medium70% asked
  29. 3Sum
    ArrayTwo PointersSorting
    Medium65% asked
  30. Heaters
    ArrayTwo PointersBinary SearchSorting
    Medium65% asked
  31. Longest Increasing Subsequence
    ArrayBinary SearchDynamic Programming
    Medium65% asked
  32. Min Stack
    StackDesign
    Medium65% asked
  33. Top K Frequent Elements
    ArrayHash TableDivide and ConquerSorting
    Medium65% asked
  34. House Robber
    ArrayDynamic Programming
    Medium64% asked
  35. 132 Pattern
    ArrayBinary SearchStackMonotonic Stack
    Medium59% asked
  36. Group Anagrams
    ArrayHash TableStringSorting
    Medium59% asked
  37. Middle of the Linked List
    Linked ListTwo Pointers
    Easy59% asked
  38. Minimum Cost For Tickets
    ArrayDynamic Programming
    Medium59% asked
  39. Trapping Rain Water
    ArrayTwo PointersDynamic ProgrammingStack
    Hard59% asked
  40. Best Time to Buy and Sell Stock
    ArrayDynamic Programming
    Easy57% asked
  41. Daily Temperatures
    ArrayStackMonotonic Stack
    Medium57% asked
  42. Binary Tree Level Order Traversal
    TreeBreadth-First SearchBinary Tree
    Medium49% asked
  43. Climbing Stairs
    MathDynamic ProgrammingMemoization
    Easy49% asked
  44. Course Schedule
    Depth-First SearchBreadth-First SearchGraphTopological Sort
    Medium49% asked
  45. Decode String
    StringStackRecursion
    Medium49% asked
  46. Design Circular Queue
    ArrayLinked ListDesignQueue
    Medium49% asked
  47. Find All Anagrams in a String
    Hash TableStringSliding Window
    Medium49% asked
  48. Generate Parentheses
    StringDynamic ProgrammingBacktracking
    Medium49% asked
  49. Get the Maximum Score
    ArrayTwo PointersDynamic ProgrammingGreedy
    Hard49% asked
  50. Insert Delete GetRandom O(1)
    ArrayHash TableMathDesign
    Medium49% asked
  51. Largest Plus Sign
    ArrayDynamic Programming
    Medium49% asked
  52. Longest Substring Without Repeating Characters
    Hash TableStringSliding Window
    Medium49% asked
  53. Longest Valid Parentheses
    StringDynamic ProgrammingStack
    Hard49% asked
  54. Maximal Rectangle
    ArrayDynamic ProgrammingStackMatrix
    Hard49% asked
  55. Median of Two Sorted Arrays
    ArrayBinary SearchDivide and Conquer
    Hard49% asked
  56. Merge Two Sorted Lists
    Linked ListRecursion
    Easy49% asked
  57. Minimum Falling Path Sum
    ArrayDynamic ProgrammingMatrix
    Medium49% asked
  58. Number of Longest Increasing Subsequence
    ArrayDynamic ProgrammingBinary Indexed TreeSegment Tree
    Medium49% asked
  59. Number of Operations to Make Network Connected
    Depth-First SearchBreadth-First SearchUnion FindGraph
    Medium49% asked
  60. Palindrome Linked List
    Linked ListTwo PointersStackRecursion
    Easy49% asked

These are the 60 most-reported of 73 tracked Intuit questions. Create a free account to drill the full set with solutions and an AI interviewer.

Practice questions in Intuit's style

Original ZorixOS questions written the way Intuit interviews, so you rehearse the real format. Not claimed as asked at Intuit.

  1. Imagine you are designing a new feature for QuickBooks Online that allows small businesses to automatically categorize expenses from linked bank accounts. Describe your approach to building a robust and scalable categorization engine. What are the key components, data structures, and potential challenges you anticipate, considering millions of transactions and diverse business types?

    Software EngineerSystem DesignTests: Evaluates the candidate's ability to design complex, scalable systems, considering data volume and business logic.

  2. You've identified a bug in TurboTax where some users are experiencing incorrect tax calculations for specific investment scenarios (e.g., wash sales). Walk me through your debugging process, from identifying the root cause to proposing a fix. What tools and techniques would you employ?

    Software EngineerDebuggingTests: Assesses problem-solving skills and systematic debugging approach in a real-world product context.

  3. Consider the Mint app. How would you design a system to detect and flag potential fraudulent transactions for users? Discuss the trade-offs between false positives and false negatives, and how you'd approach real-time detection.

    Software EngineerSystem DesignTests: Tests the candidate's ability to design for security and real-time processing, with an understanding of user impact.

  4. Write a SQL query to find the top 10 customers in QuickBooks Online by total invoiced amount in the last quarter, considering only invoices that have been paid. Include customer name, total invoiced amount, and number of invoices.

    Data ScientistSQLTests: Evaluates SQL proficiency and ability to extract meaningful business insights from data.

  5. You're working on Credit Karma. How would you design an A/B test to evaluate the impact of a new credit score display format on user engagement (e.g., time spent on page, number of credit-related actions taken)? What are the key metrics you'd track, and how would you determine statistical significance?

    Data ScientistExperimentationTests: Assesses understanding of A/B testing methodologies, metric selection, and statistical analysis in a product context.

  6. For QuickBooks Online, how would you define and measure the 'success' of the 'QuickBooks Capital' loan offering? Propose a dashboard of key metrics that would provide a holistic view of its performance and impact on small businesses.

    Product ManagerMetricsTests: Tests the candidate's ability to define success for a financial product and translate it into measurable metrics.

72+ more Intuit-style questions are in the free library, each practiceable live with adaptive follow-ups and an honest scorecard. Start free.

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Intuit Interview Questions (2026) | ZorixOS