Warren

Senior Software ENgineer

Design a Real Time Recommendation System

Sr Software Engineer

The interviewer asked to open an IDE and write code for system resiliency , timeout, circuitbreaking. Use any existing java libraries. Answer: Use method calls to Resiliency4j to demonstrate timeout, circuitbreaking .

Machine Learning Engineer

Given a 2D matrix matrix, handle multiple queries of the following type: Calculate the sum of the elements of matrix inside the rectangle defined by its upper left corner (row1, col1) and lower right corner (row2, col2).

Software Engineer

Round 1 : C test Round 2 : Bill of Material Data Storage You are being hired by a furniture factory to help them forecast raw material orders from their suppliers. To build the final pieces of furniture, the factory trac...

Member of Technical Staff, Backend

Configuration Manager (Phone Screen coding) Restatement Manage per service configuration (dict[str, str]) for many microservices with a SINGLE global version counter shared across all services. set config(service name, c...

Software Engineer

Part 1: Implement a function to calculate the iou of two boxes. Intersection over Union (IoU) measures how well a predicted box matches the actual target box by comparing their overlap. Part 2: Extend the method and clas...

Software Engineer

Design a rate limiter that limits each endpoint to 2 requests / second and limits the entire backend to 10 requests / minute (or something like that). You need to rate limit each individual endpoint and rate limit all th...

Software Development Engineer, AI Platform

Design an AI powered code completion service similar to Github Copilot. A developer types code in their IDE and receives real time code completon suggestions.

Staff Software Engineer

Design the multi tenant CDC ingestion platform. The platform must capture change events from multiple source database types, where each database can contain hundreds or thousands of tables, and deliver those changes to o...

Data Engineer II, Quantum Black AI

Data Engineering 29 What is the difference between data anonymisation and data pseudonymisation? Anonymisation irreversibly removes the ability to re identify individuals, while pseudonymisation replaces identifiers with...

Data Scientist

Tell me about a time you managed a project end to end. Tell me about a time you had to deliver bad news to someone. Suppose you meet an executive in an elevator, and as a data scientist, you have the chance to convince t...

Backend Engineer

Problem: Maximum Stations Reachable With One Connection A person wants to explore the city train network. Given the train network, which is a list of regular and connecting stations, write a function that finds the maxim...

Senior Software Engineer

System design for payment gateway along with fraud detection

Java FS Developer

Questions asked: 1. How checked and unchecked exceptions propagate in method stack. 2. If parent method has a throws exceptions declaration in its signature how it’s handled in child. 3. What is the difference between Co...

Senior/Staff engineer role

Coding (Data Strucutres and Algo):We want to organize trains on to tracks at a terminal so they can depart on their scheduled time. Rules are: Trains cannot exceed the length of track. All trains should be placed on a tr...

Backend Software Engineer

Design a data structure that supports push(), pop(), peek(), peekMax(), popMax(). Follow up: Optimize popMax().

Backend Engineer

Create a data structure that has O(1) time complexity for insert, search, delete and getRandom.

SDE

implement a cache put(id, metadata, weight) get(id) eviction: if total weight capacity, need to evict the max weight item

Distributed Systems Engineer (L4)

Experience: Tell me about yourself / why are you applying to Netflix? Tell me about the most impressive product you've built / project you worked on. Tell me about a project where you had to convince stakeholder to go a...

Security Software Developer - Global Security Organization

A lottery is organized where every ticket has a number between lowLimit and highLimit (inclusive). Each ticket is assigned to a box based on the sum of the digits of its ticket number. For example: Ticket 1 goes to box 1...