Netflix

Distributed NoSQL database designed for high availability, linear scalability, and handling massive amounts of data across multiple data centers

Distributed stream processing framework for real-time analytics, event-driven applications, and complex event processing

Distributed streaming platform designed for high-throughput, real-time data pipelines and event-driven architectures

Unified analytics engine for large-scale data processing with built-in modules for streaming, SQL, machine learning and graph processing

Find all articulation points in an undirected graph - vertices whose removal increases the number of connected components

Find shortest paths from a source vertex to all other vertices in a weighted graph, capable of handling negative edge weights

Find shortest path between two vertices in an unweighted graph using BFS traversal

Determine if you can finish all courses given prerequisite relationships using topological sorting

Techniques for migrating data between different schemas and systems

Distributed search and analytics engine built on Apache Lucene for real-time search, logging, and data analytics

Retry strategy that progressively increases delay between retry attempts to handle transient failures and prevent system overload

Find all bridges (critical edges) in an undirected graph using Tarjan's algorithm

Find the k largest elements from an unsorted array

Design data structure to find median from continuous stream of integers

Find and return the second largest element in an array of integers

Scaling strategy that increases system capacity by adding more machines or instances rather than upgrading existing hardware

Full-text search and information retrieval using inverted indexes

Find the kth largest element in an unsorted array

Find the largest rectangle that can be formed in a histogram

Find the longest palindromic substring in a given string

Find the length of the longest substring without repeating characters

Find the contiguous subarray with maximum sum using Kadane's algorithm

Find the minimum spanning tree of a weighted undirected graph using Kruskal's and Prim's algorithms

Find the minimum window substring that contains all characters of another string

Move all zeros in an array to the end while maintaining the relative order of non-zero elements

Find the time it takes for a signal to reach all nodes in a network using shortest path algorithms

Concurrency control mechanism that assumes conflicts are rare and handles them when they occur, using version numbers or timestamps to detect concurrent modifications

Implement regular expression matching with support for '.' and '*'

Reverse the order of elements in an array in-place and return the modified array

Rotate an array to the right by k steps where k is non-negative

Find the minimum time for all oranges to rot using BFS

Managing backward and forward compatibility in data schemas

Serialize a binary tree to a string and deserialize it back to the original tree

Find the maximum element in each sliding window of size k

Find the smallest substring that contains all characters of a given pattern

Calculate the span of stock prices for each day

Find the k most frequent elements in an array

Determine if the input string has valid brackets that are properly opened and closed

Traverse a binary tree vertically and return nodes by columns

Traverse a binary tree level by level in zigzag order