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Explore questions associated with Snowflake. Review the source details, then use the workspace for code, notes, and diagrams.
52 questions in the library. A source association does not guarantee a future interview question.
Behavioral and leadership · Coding · Machine learning · ML system design · System design
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Design an in-memory hierarchical file system that supports path parsing and operations like mkdir, ls, addContentToFile (append/create), and readContentFromFile, requiring you…
Companies: Snowflake, Anchorage Digital, Capital One, Coupang +5
Design · Hash Table · Sorting · String
Last reported Nov 2026
Companies: Snowflake
System Design · System Design Fundamentals
Last reported Oct 2026
System Design · System Design Fundamentals
Last reported Oct 2026
Large private media objects with small searchable metadata: reliable uploads, asynchronous image processing, library indexing, and revocable album sharing.
Companies: Snowflake, Amazon, Bloomberg, DoorDash +3
access-control · asynchronous-processing · cdn · metadata-indexing
Last reported Sep 2026
Companies: Snowflake
System Design · System Design Fundamentals
Last reported Sep 2026
Companies: Snowflake
ML System Design
Last reported Sep 2026
Design a feature flag service that supports global ON/OFF controls, percentage-based rollouts, and sticky user assignments. The service should reliably manage feature…
Companies: Snowflake
Last reported Sep 2026
Given n courses and prerequisite pairs, determine the minimum number of semesters required to finish all courses if you can take any number of courses…
Companies: Snowflake
Last reported Sep 2026
Analytical SQL over shared data: durable loads, parallel queries, and separate compute capacity for concurrent workloads.
Companies: Snowflake
compute-lifecycle · concurrent-read-correctness · data-access · metadata-management
Last reported Aug 2026
Companies: Snowflake
System Design
Last reported Aug 2026
Design a webhook system that allows applications to register callback URLs and automatically receive HTTP POST notifications when specific events occur in other applications.
Companies: Snowflake, Babylist, OpenAI
Last reported Aug 2026
Implement job scheduling algorithms including both First Come First Serve (FCFS) and priority-based approaches. The solution should handle job submissions with start times, end…
Companies: Snowflake, Apple, Google, Netflix
Last reported Aug 2026
Design a quota management system for LinkedIn's API that enforces consistent rate limiting across clients and allows users to purchase additional quota when needed.
Companies: Snowflake, LinkedIn
Last reported Jun 2026
Design a stack supporting push, pop, top, and getMin operations all in O(1) time. The core challenge is to maintain and update the current minimum…
Companies: Snowflake, Expedia
Design · Stack
Last reported Jun 2026
Design a system capable of protecting enterprise cloud infrastructure against various types of DDoS attacks, including traffic filtering, rate limiting, and anomaly detection…
Companies: Snowflake
Last reported Jun 2026
Given an m×n letter grid and a list of words, find all words that can be formed by sequentially adjacent (horizontal/vertical) non-repeating cells. The core…
Companies: Snowflake, Amazon, Bloomberg, Glean +2
Array · Backtracking · Matrix · String
Last reported Jun 2026
Implement a math interpreter that processes a list of string commands acting on a single global integer x (initially 0). Commands are: ADD k (add…
Companies: Snowflake
Last reported May 2026
Determine whether iterating n -> sum of the squares of its digits eventually reaches 1 or falls into a repeating cycle; the core task is…
Companies: Snowflake
Floyd's Cycle Finding Algorithm · Hash Table · Math · Two Pointers
Last reported May 2026
Given a DAG of course prerequisites where each course has a duration and any number of courses can run in parallel once prerequisites are satisfied…
Companies: Snowflake, Google, Meta, Modular +1
Array · Directed Acyclic Graph · Dynamic Programming · Graph Theory
Last reported May 2026
Given numCourses and prerequisite pairs, return any ordering of courses that satisfies all prerequisites or an empty array if impossible — this is essentially computing…
Companies: Snowflake, Amazon, Anduril, Apple +11
Breadth-First Search · Depth-First Search · Graph Theory · Topological Sort
Last reported May 2026
Design a distributed job scheduler that can handle high-throughput job processing (10,000+ jobs per second), support both scheduled (cron-based) and ad-hoc job execution…
Companies: Snowflake, Airbnb, Apple, Autodesk +25
System Design
Last reported May 2026
Find duplicated files in a given directory. How to optimize? What if files changes? How to find duplicated files among many machines?
Companies: Snowflake, Anthropic
Last reported May 2026
Design a system that manages and enforces storage quotas for multi-tenant environments, where each tenant has a defined storage allocation across multiple applications, and…
Companies: Snowflake
Last reported Apr 2026
Return the boundary of a binary tree: list nodes on the left boundary top-down (excluding leaves), then all leaves left-to-right, then the right boundary bottom-up…
Companies: Snowflake, Amazon, Meta
Binary Tree · Depth-First Search · Tree
Last reported Feb 2026
Companies: Snowflake, Airbnb, Amazon, Anduril +22
Project Deep Dive
Last reported Jan 2026