Are you from Tier 1 college?
Engineer Iii Interview Questions
2,119 engineer iii interview questions shared by candidates
Q: What and how did you solve some complex problems in you previous organisations.
Design Stack Overflow; emphasis on database tables
- 1st Round - Write singleton class structure with multithreading scenarios in mind - Given binary tree with parents record in DB, write query to fetch root node, intermediate nodes and leaf nodes - Given 2D Matrix Array with 1s and 0s, fan out 1 on left, right, bottom, top if present in matrix and do it in O(n x m) time complexity without using Space of O(n x m) - Basics of Kafka , Partition, offsets, consumer groups and how Kafka is used as message broker - 2nd Round - Getting dump of 100 log files daily with 1 GB data each named as log1, log2...etc....given an instance of time of a day find which log file will have logs related to that timestamp in efficient way - Directory of phone numbers is given of billion records with duplicate entries how do you store it efficiently (Hint: Set and Trie) - 3rd Round - Existing Project Architecture Explanation - Modified ingestion to use real time data instead of once a time loading/update of data - Modify architecture - Basics of SQL, NoSQL DBs, Internals of Indexing, how data inside index tables is stored by DB Engines - Indexing really improves performance ? Composite Indexing is overhead or optimal ?
How do you write test cases
1. find the median of two sorted arrays 2. Find k maximum elements in a stream of integers
most questions are expected.
1 complete the code for snake and ladders game.easy just has to implement 3-4 months. 2. design system to run batch jobs . it was quite easy finished. 3. one question on array forgot the actual question but it was easy.
What is the major bottleneck you'd have when scaling the web crawler of the take-home assignment to a million pages?
Viewing 2111 - 2120 interview questions