Dashboard Problems Companies Topics SQL System Design AI

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67 companies · 8,747 tagged questions from the last 30–90 days · 2 practice sets. Filter by region or tier, then open a list to see it in reported order.

FAANG
Amazon
Global
Amazon combines a global online store with AWS cloud services, logistics, advertising, devices, and streaming businesses.
Dynamic Programming 97Arrays 70Graphs 64
679 problemslast 90 days
Product
Uber
Global
Uber operates ride-hailing, Uber Eats delivery and freight marketplaces, matching riders, drivers, couriers and merchants in real time worldwide.
Graphs 76Dynamic Programming 40Binary Search 30
364 problemsall time
Product
TikTok
Global
TikTok is ByteDance's short-video platform, with recommendation, video processing, live streaming and e-commerce systems serving over a billion users.
Graphs 45Dynamic Programming 43Arrays 35
349 problemsall time
Finance
Goldman Sachs
Global
Goldman Sachs is a global financial institution serving corporations, governments, institutions, and individuals through banking, markets, and asset and wealth management.
Dynamic Programming 48Arrays 47Strings 29
346 problemslast 90 days
FAANG
Apple
Global
Apple's ecosystem pairs devices such as iPhone, Mac, iPad, and Apple Watch with its operating systems, software, and digital services.
Arrays 46Graphs 36Stack & Queues 29
334 problemslast 90 days
Product
Oracle
Global
Oracle sells database software, Oracle Cloud Infrastructure, Java, and enterprise applications such as Fusion ERP and NetSuite.
Graphs 31Dynamic Programming 31Linked List 29
310 problemsall time
FAANG
Google
Global
Google builds Search, Android, YouTube, Chrome, Maps, Workspace and Google Cloud, serving billions of users and the developers who build on its platforms.
Arrays 37Dynamic Programming 32Binary Search 21
279 problemslast 30 days
Finance
Bloomberg
Global
Bloomberg builds the Bloomberg Terminal and the financial data, analytics, trading and news infrastructure used across global markets.
Arrays 35Dynamic Programming 33Hashing 24
274 problemslast 90 days
FAANG
Meta
Global
Meta runs Facebook, Instagram, WhatsApp, Messenger and Threads, and builds Reality Labs hardware and large-scale AI infrastructure.
Arrays 36Dynamic Programming 23Strings 21
227 problemslast 90 days
Service
Infosys
Indian
Infosys is a global IT services and consulting company headquartered in Bengaluru, covering digital transformation, cloud and engineering services.
Dynamic Programming 41Arrays 31Greedy Algorithms 21
222 problemsall time
FAANG
Microsoft
Global
Microsoft develops Windows, Office and Microsoft 365, Azure cloud services, GitHub, LinkedIn, Xbox and Copilot AI products.
Dynamic Programming 34Arrays 30Binary Search 18
221 problemslast 90 days
Fintech
PayPal
Global
PayPal enables consumers and merchants to pay, get paid, send money, and manage commerce through digital wallets and payment platforms.
Arrays 38Binary Search 31Dynamic Programming 23
195 problemslast 30 days
Product
Walmart Global Tech
Global
Walmart Global Tech builds the software, data, AI, automation, and cybersecurity systems behind Walmart's stores, supply chain, and digital retail experiences.
Arrays 26Dynamic Programming 25Graphs 18
193 problemslast 30 days
Product
Palo Alto Networks
Global
Palo Alto Networks brings network, cloud, endpoint, and security-operations capabilities together to protect organizations from cyber threats.
Linked List 32Hashing 24Dynamic Programming 22
192 problemslast 30 days
Finance
JPMorgan Chase
Global
JPMorgan Chase serves consumers, small businesses, corporations, governments, and institutions across banking, payments, markets, and asset and wealth management.
Arrays 37Greedy Algorithms 35Hashing 30
187 problemslast 30 days
Product
Salesforce
Global
Salesforce centers its business on customer relationship management, bringing sales, service, marketing, commerce, data, and AI into one platform.
Dynamic Programming 26Arrays 19Stack & Queues 17
179 problemslast 30 days
Product
Swiggy
Indian
Swiggy's consumer platform covers restaurant delivery, quick commerce, dining, and other on-demand convenience services.
Arrays 32Dynamic Programming 30Stack & Queues 29
179 problemslast 30 days
Product
IBM
Global
IBM provides hybrid cloud, AI (watsonx), consulting, mainframes and enterprise software including Red Hat.
Arrays 34Greedy Algorithms 19Dynamic Programming 15
175 problemsall time
Product
Zoho
Indian
Zoho builds a suite of business software, from CRM and mail to finance and HR apps, run on its own data centres.
Strings 23Dynamic Programming 23Hashing 21
173 problemsall time
Product
Adobe
Global
Adobe is known for Creative Cloud, Acrobat, and Experience Cloud—tools used to create content, manage documents, and deliver digital experiences.
Arrays 26Graphs 16Binary Trees 14
167 problemslast 30 days
Product
Atlassian
Global
Atlassian makes Jira, Confluence, Trello, and Bitbucket, helping software, IT, and business teams plan and coordinate work.
Dynamic Programming 29Binary Trees 26Hashing 25
167 problemslast 30 days
Finance
American Express
Global
American Express combines card issuing, payment-network services, merchant solutions, travel, and expense management for consumers and businesses.
Arrays 30Hashing 29Strings 28
165 problemslast 30 days
Product
LinkedIn
Global
LinkedIn is the world's largest professional network, combining professional identity and connections with recruiting, learning, advertising, and sales tools.
Graphs 23Arrays 16Binary Trees 16
160 problemslast 30 days
Fintech
Visa
Global
Visa runs VisaNet, a global payments network that authorises, clears and settles card and digital transactions between banks and merchants.
Dynamic Programming 21Arrays 17Greedy Algorithms 14
147 problemsall time
Product
NVIDIA
Global
NVIDIA designs GPUs, accelerated computing platforms and the CUDA software stack that powers gaming, data centres and AI.
Arrays 18Linked List 15Dynamic Programming 12
142 problemsall time
Service
Accenture
Global
Accenture is a global professional services company providing consulting, technology, cloud, security and managed services.
Arrays 23Dynamic Programming 18Hashing 13
134 problemsall time
Product
Yandex
Global
Yandex is a Russian technology company operating search, maps, ride-hailing, e-commerce and cloud services.
Arrays 25Strings 14Hashing 13
128 problemsall time
Finance
D. E. Shaw
Global
The D. E. Shaw group is a global investment and technology firm known for quantitative, computationally driven trading strategies.
Dynamic Programming 24Binary Search 14Graphs 13
123 problemsall time
Product
Flipkart
Indian
Flipkart is one of India's largest e-commerce marketplaces, spanning electronics, fashion, grocery and its own logistics and payments arms.
Graphs 19Dynamic Programming 14Stack & Queues 13
113 problemsall time
Product
Snowflake
Global
Snowflake offers a cloud data platform for warehousing, data engineering, data sharing and AI workloads across AWS, Azure and GCP.
Graphs 21Dynamic Programming 10Linked List 10
104 problemsall time
Fintech
PhonePe
Indian
PhonePe is an Indian digital payments and financial services platform built on UPI, offering payments, insurance, lending and investments.
Graphs 28Dynamic Programming 17Arrays 9
103 problemsall time
Service
TCS
Indian
Tata Consultancy Services is India's largest IT services and consulting company, delivering engineering, digital and operations services worldwide.
Arrays 19Hashing 11Binary Search 10
98 problemslast 180 days
Finance
Citadel
Global
Citadel is a global alternative investment firm, and Citadel Securities a leading market maker; both run engineering-heavy trading platforms.
Dynamic Programming 16Graphs 15Recursion & Backtracking 7
90 problemsall time
Product
Cisco
Global
Cisco builds networking hardware and software, security, collaboration (Webex) and observability products such as Splunk and AppDynamics.
Arrays 13Dynamic Programming 10Strings 10
88 problemsall time
Product
Snap
Global
Snap is the company behind Snapchat, with camera, messaging, Stories, Maps and AR (Spectacles, Lens Studio) products.
Graphs 18Dynamic Programming 10Stack & Queues 7
86 problemsall time
Product
DoorDash
Global
DoorDash is a local commerce platform for food and goods delivery, connecting consumers, merchants and Dashers in real time.
Graphs 17Hashing 7Stack & Queues 7
75 problemsall time
Product
ServiceNow
Global
ServiceNow provides a cloud platform for IT service management, workflow automation and enterprise operations.
Dynamic Programming 11Arrays 11Graphs 8
73 problemsall time
Product
Expedia Group
Global
Expedia Group runs online travel brands including Expedia, Hotels.com and Vrbo, plus the B2B travel platform behind them.
Strings 10Arrays 9Stack & Queues 9
69 problemsall time
Product
Nutanix
Global
Nutanix sells hyperconverged infrastructure and hybrid multicloud software for running virtual machines, containers and databases.
Graphs 11Greedy Algorithms 8Stack & Queues 8
69 problemsall time
Product
Intuit
Global
Intuit makes TurboTax, QuickBooks, Credit Karma and Mailchimp, financial software for consumers and small businesses.
Dynamic Programming 13Graphs 12Greedy Algorithms 5
66 problemsall time
Product
eBay
Global
eBay operates a global online marketplace connecting millions of buyers and sellers across new and used goods.
Graphs 10Arrays 8Strings 7
66 problemsall time
Product
Airbnb
Global
Airbnb is a marketplace for stays and experiences, with search, pricing, payments and trust systems spanning most countries.
Graphs 14Strings 8Dynamic Programming 6
65 problemsall time
Finance
Capital One
Global
Capital One is a US bank and credit-card issuer known for its cloud-first engineering culture and in-house technology.
Arrays 10Strings 8Graphs 5
65 problemsall time
Finance
Morgan Stanley
Global
Morgan Stanley is a global investment bank and wealth manager with large technology teams across trading, risk and client platforms.
Arrays 11Dynamic Programming 10Greedy Algorithms 9
65 problemsall time
Product
ByteDance
Global
ByteDance is the technology company behind TikTok, Douyin, CapCut and Lark, known for recommendation-driven content platforms.
Dynamic Programming 9Graphs 9Stack & Queues 8
64 problemsall time
Product
Samsung
Global
Samsung Electronics makes smartphones, TVs, memory and logic chips, displays and home appliances, with large R&D centres worldwide.
Dynamic Programming 10Graphs 10Arrays 9
63 problemsall time
Product
Qualcomm
Global
Qualcomm designs Snapdragon processors, modems and wireless technologies for mobile, automotive, PC and IoT devices.
Linked List 8Strings 7Arrays 7
60 problemsall time
Fintech
Stripe
Global
Stripe supplies the financial infrastructure businesses use to accept payments, run billing, move money, and launch internet-based financial products.
Graphs 23Recursion & Backtracking 20Strings 17
60 problemslast 30 days
Product
Anduril
Global
Anduril Industries builds autonomous defence systems and the Lattice software platform for sensor fusion and command and control.
Graphs 14Arrays 6Dynamic Programming 4
57 problemsall time
Product
Wix
Global
Wix is a cloud website-building platform offering drag-and-drop design, e-commerce, hosting and business tools.
Hashing 9Binary Trees 8Graphs 5
55 problemsall time
Product
Roblox
Global
Roblox is an online game platform and creation system where users build and play experiences, backed by a large real-time infrastructure.
Arrays 8Stack & Queues 6Hashing 6
54 problemsall time
Product
Coupang
Global
Coupang is South Korea's largest e-commerce company, known for Rocket Delivery and an end-to-end logistics network.
Stack & Queues 6Arrays 6Dynamic Programming 5
49 problemsall time
Service
EPAM Systems
Global
EPAM Systems is a global digital engineering and consulting company delivering product development and platform services.
Arrays 7Dynamic Programming 7Hashing 6
48 problemsall time
Product
Agoda
Global
Agoda is a Booking Holdings travel platform for hotels, flights and activities, headquartered in Singapore.
Stack & Queues 8Dynamic Programming 7Binary Search 5
45 problemsall time
Product
Pinterest
Global
Pinterest is a visual discovery platform where people save and search ideas, powered by large-scale recommendation and image systems.
Graphs 9Strings 6Recursion & Backtracking 5
45 problemsall time
Product
Sprinklr
Global
Sprinklr builds a unified customer experience management platform for social media, marketing, service and insights.
Dynamic Programming 16Stack & Queues 6General & N-ary Trees 3
45 problemsall time
Product
X (Twitter)
Global
X, formerly Twitter, is a real-time social platform for posts, replies, Spaces and video, built on a large-scale timeline and search infrastructure.
Heaps 5Hashing 5Strings 5
45 problemsall time
Product
SAP
Global
SAP is a German enterprise software company known for ERP (S/4HANA), the HANA database and business cloud applications.
Linked List 5Binary Search 5Graphs 4
41 problemsall time
Product
Tesla
Global
Tesla makes electric vehicles, energy storage and solar products, with software teams across Autopilot, infotainment, manufacturing and energy.
Graphs 8Hashing 6Stack & Queues 4
41 problemsall time
Product
Meesho
Indian
Meesho is an Indian e-commerce marketplace focused on affordable products and small sellers, with a zero-commission model.
Dynamic Programming 10Graphs 5Arrays 4
40 problemsall time
Service
Cognizant
Global
Cognizant is a global IT services and consulting company with most of its delivery workforce in India.
Arrays 13Strings 5Hashing 4
39 problemsall time
Service
Deloitte
Global
Deloitte is one of the Big Four professional services networks, providing audit, consulting, technology and advisory services.
Arrays 10Dynamic Programming 5Stack & Queues 5
38 problemsall time
Service
Capgemini
Global
Capgemini is a global consulting, technology and engineering services company headquartered in Paris.
Arrays 6Hashing 5Strings 3
33 problemsall time
Product
Databricks
Global
Databricks offers a data and AI platform built around the lakehouse architecture, Apache Spark, Delta Lake and MLflow.
Strings 6Graphs 5Dynamic Programming 3
31 problemsall time
Fintech
Paytm
Indian
Paytm is an Indian digital payments and financial services company offering UPI payments, wallets, merchant payments and lending.
Stack & Queues 6Dynamic Programming 5Hashing 3
30 problemsall time
Product
Zomato
Indian
Zomato is an Indian food delivery and restaurant discovery platform, part of Eternal alongside Blinkit quick commerce.
Graphs 5Arrays 4Hashing 3
30 problemsall time
FAANG
Netflix
Global
Netflix is a global streaming service for series, films and games, built on a large-scale content delivery and personalisation platform.
Graphs 5Hashing 4Arrays 3
28 problemsall time

Practice sets

Curated lists that aren't tied to one company.

Set
System Design (HLD + LLD)
OOP 12state 7observer 5
60 problemscurated
Set
SQL Top 50
The 50 most-asked SQL interview problems, ordered from easy to hard.
Aggregation & Grouping 19Joins & Relationships 7Window Functions 7
50 problemscurated