Quest Global Senior Software Engineer 2 Interview Questions and Answers

You need to give a coding test which is for 4.5 hours, where you are given a scenarios and you need to create API to fetch the response from an external API and according parse the response for whatever you need and perform some business logic for same.

Q1. Technical questions based on the code you had submitted earlier, and then again they check you for technical skills based on patterns, junit, threading, security, deployments etc
Add your answer
Q2. What is the need for @Service annotation?
Ans. 
The @Service annotation is used in Spring framework to indicate that a class is a service component.
• Used to mark a class as a service component in Spring framework

• Helps in auto-detection and auto-configuration of Spring beans

• Facilitates dependency injection and inversion of control
Answered by AI
Add your answer

Q1. Here you are given a particular scenario and based on that you need to draw system diagram for same and explain them about why and what is needed.
Add your answer
Q2. Draw a system diagram for ecommers system to place an order and get order history for a particular customer
Ans. 
System diagram for e-commerce order placement and history retrieval
• Frontend: Customer interface for browsing products, adding to cart, and placing orders

• Backend: Order processing system to handle order placement, payment processing, and order fulfillment

• Database: Store customer information, order details, and order history for retrieval

• APIs: Communication between frontend, backend, and database for seamless order proce...read more
Answered by AI
Add your answer

Q1. This round is to check what kind of behavior you showcase in certain situations and what kind of challenges you face in current team structure
Add your answer

Q1. This round again judges you on cultural fitment, where they check what do you currently do and what kind of challenges or conflicts you face in team structure.
Add your answer

Arrays based 1 hours

Sorting array, streamapi example etc

Q1. Interview Questions about Java, Spring boot and other technical frameworks you worked on
Add your answer
Q2. Implement Binary search tree
Ans. 
Binary search tree is a data structure where each node has at most two children, with the left child being less than the parent and the right child being greater.
• Start with a root node and insert new nodes by comparing values and traversing left or right accordingly.

• Implement functions for insertion, deletion, search, and traversal (inorder, preorder, postorder).

• Ensure the tree remains balanced to maintain efficient se
Answered by AI
Add your answer
Q3. How hash map works in java
Ans. 
HashMap in Java is a data structure that stores key-value pairs and allows for fast retrieval of values based on keys.
• HashMap uses hashing to store key-value pairs in an array of linked lists.

• It uses the hashCode() method of keys to determine the index where the value will be stored.

• If two keys have the same hashCode, they are stored in the same linked list at that index.

• HashMap allows null keys and values, but only on...read more
Answered by AI
Add your answer

Q1. Salary discussion
Add your answer