Browse LeetCode problems frequently asked by Confluent. Filter by difficulty and timeframe to focus your interview prep.
Last updated: 20 Feb 2026
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1kosmos
6sense
Accelya
Accenture
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Coindcx
Coinswitch Kuber
Comcast
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Compass
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Couchbase
Coupa
Coupang
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Credit Karma
Criteo
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Cruise Automation
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Curefit
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Dailyhunt
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Dassault Sysetmes
Dataart
Databricks
Datadog
Dataminr
De Shaw
Deepmind
Delhivery
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Dell
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Deutsche Bank
Devrev
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Directi
Discord
Discovery
Disney
DJI
Docusign
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Dp World
Drawbridge
Dream11
Dropbox
Druva
Drw
DTCC
Dunzo
Duolingo
Earnin
Ebay
Edelweiss
Electronic Arts
Elitmus
Epam Systems
Epic Games
Epic Systems
Epifi
Equinix
Ericsson
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Expedia
Ey
F5 Networks
Factset
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Fallible
Fanatics
Fast
Fastenal
FICO
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Figma
Fiverr
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Flatiron Health
Fleetx
Flexera
Flexport
Flipkart
Ford
Fortinet
Forusall
Fourkites
Fpt
Fractal Analytics
Freecharge
Freshworks
Fynd
Gainsight
Gameskraft
Garena
Garmin
Gartner
Ge Digital
Ge Healthcare
Geico
General Electric
General Motors
Genpact
Gilt Groupe
GitHub
Glassdoor
Globallogic
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Glovo
Godaddy
Gojek
Goldman Sachs
Google
Gopuff
Goto
Grab
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Groupon
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Guidewire
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IBM
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Impact Analytics
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Indeed
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Instabase
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Intuit
Ivp
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Jane Street
JD.com
Jeavio
Jetbrains
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Jio
Josh Technology
JPMorgan
Jtg
Jump Trading
Junglee Games
Juspay
Justworks
Kakao
Karat
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Kla
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Kotak Mahindra Bank
KPIT
KPMG
Lacework
Larsen Toubro
Leap Motion
Lendingkart
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Lg Electronics
Liberty Mutual
Liftoff
Lime
Line
LinkedIn
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Livspace
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Lti
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Lyft
Machine Zone
Machinezone
Maersk
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Mapbox
Maq Software
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Mastercard
Mathworks
Mcafee
Mcdonalds
Mckinsey
Medianet
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Meta
Micro1
Microsoft
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Mixpanel
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National Instruments
National Payments Coorperation India
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Netcracker Technology
Netease
Netflix
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Nike
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Park
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Ripple
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Robinhood
Roblox
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Salesforce
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Servicenow
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Shift Technology
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Shopify
Siemens
Sig
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Singlestore
Sixt
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Snapdeal
Snowflake
Societe Generale
Sofi
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Sonatus
Sony
Soti
Soundhound
Spacex
Spinny
Splunk
Spotify
Sprinklr
Square
Squarepoint Capital
Squarespace
Stackadapt
Stackline
Starbucks
State Farm
Strava
Stripe
Sumologic
Swiggy
Syfe
Symantec
Synopsys
Ta Digital
Tableau
Tanium
TCS
Tech Mahindra
Tekion
Tencent
Teradata
Tesco
Tesla
Texas Instruments
The Trade Desk
Thomson Reuters
Thoughtspot
Thoughtworks
Thousandeyes
Thumbtack
TIAA
Tiger Analytics
TikTok
Tinder
Tinkoff
Toast
Tokopedia
Tomtom
Toptal
Tower Research
Tracxn
Traveloka
Trend Micro
Trexquant
Trilogy
Tripactions
Tripadvisor
Triplebyte
Turing
Turo
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Tusimple
Twilio
Twitch
Twitter
Two Sigma
Uber
Ubs
Udemy
Uipath
Ukg
Unbxd
Unity
Unstop
Upstart
Urban Company
UST
Valve
Veeva
Verily
Veritas
Verizon
Verkada
Viasat
Vimeo
Virtu
Virtusa
Visa
Vk
Vmware
Walmart Labs
Warnermedia
Watchguard
Wayfair
Waymo
Wayve
Wealthfront
Wells Fargo
Weride
Western Digital
Whatfix
Whatnot
Winzo
Wipro
Wise
Wish
Wissen
Wix
Workday
Works Applications
Worldquant
Woven By Toyota
Xing
Yahoo
Yandex
Yatra
Yelp
Yext
Yugabyte
Zalando
Zappos
Zemoso
Zendesk
Zenefits
Zepto
Zeta
Zeta Suite
Zillow
Zip
Ziprecruiter
Zluri
Zocdoc
Zoho
Zomato
Zoom
Zoox
Zopsmart
Zs Associates
Zscaler
Zulily
Zynga
30 days
3 months
6 months
More than 6 months
All
Easy
Medium
Hard
All
Problem
Difficulty
Frequency
Topics
Regular Expression Matching
HARD
62.5%
StringDynamic ProgrammingRecursion
LRU Cache
MEDIUM
87.5%
Hash TableLinked ListDesignDoubly-Linked List
Valid Sudoku
MEDIUM
100%
ArrayHash TableMatrix
Sudoku Solver
HARD
100%
ArrayHash TableBacktrackingMatrix
Debounce
MEDIUM
62.5%
Minimum Time to Eat All Grains
HARD
87.5%
ArrayTwo PointersBinary SearchSorting
Time Based Key-Value Store
MEDIUM
100%
Hash TableStringBinary SearchDesign
Design Authentication Manager
MEDIUM
75%
Hash TableLinked ListDesignDoubly-Linked List
Combination Sum
MEDIUM
75%
ArrayBacktracking
Cache With Time Limit
MEDIUM
62.5%
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