Q: What and how did you solve some complex problems in you previous organisations.
Software Development Engineer Iii Interview Questions
7,029 software development engineer iii interview questions shared by candidates
experience and knowledge about the job
- 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 ?
What is the most difficult customer you have experienced, how did you deal with that?
Detect substring in a string.
What difficulties have you encountered in your previous job?
What is the major bottleneck you'd have when scaling the web crawler of the take-home assignment to a million pages?
most questions are expected.
What does inner join mean in SQL?
What makes you choose EY?
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