Shipsy Software Developer Interview Questions and Answers

Round duration - 30 minutes
Round difficulty - Easy

This round mainly consisted of some questions on advanced JS topics like Execution Context, Callback queue, Micro task queue, Promises, etc.

Round duration - 60 minutes
Round difficulty - Medium

This round was more technical compared to the previous one. The interviewer was a senior developer. If questions were not answered, answers would be given/explained.

Q1. What are some aggregate operators in MongoDB?
Ans. 
Aggregate operators in MongoDB are used for data aggregation and manipulation.
• Some aggregate operators in MongoDB include $sum, $avg, $min, $max, $push, $addToSet, $first, $last, $project, $match, $group, $sort, $limit, $skip.

• Example: db.collection.aggregate([{$group: {_id: '$field', total: {$sum: '$value'}}}])
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Round duration - 30 minutes
Round difficulty - Easy

This round was mainly to assess my experience level, roles, and responsibilities from my previous company. Salary negotiations also happened here.

Q1. Coding question on DSA
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Q2. Design pattern followed by basic java questions
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Q1. Design patterns in java
Ans. 
Design patterns in Java are reusable solutions to common problems in software design.
• Design patterns help in creating flexible, maintainable, and scalable code.

• Some common design patterns in Java include Singleton, Factory, Observer, and Strategy.

• Each design pattern has its own purpose and can be applied in different scenarios.

• Design patterns promote code reusability and help in organizing code in a structured manner.
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Q2. Database designing and java8
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Basic questions of dbms ,os

Q1. Delete middle node of linked list
Ans. 
To delete the middle node of a linked list, we can iterate through the list to find the middle node and then remove it by adjusting the pointers.
• Iterate through the linked list to find the middle node by using two pointers - one moving one node at a time and the other moving two nodes at a time.

• Once the middle node is found, adjust the pointers to skip over the middle node and connect the nodes before and after it.

• Hand...read more
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Q2. N queen problem
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Aptitude test such as profit and loss , blood relations

Questions on string and map

Q1. Questions like will you be able to work after your assigned time
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The aptitude test was in online mode. There were 20 mcq questions and 5 coding questions ranging from easy to hard

After the Aptitude test, the gd was kept in offline mode ( at office ), the topic was "the pros and cons of online classes

Q1. In the 1st technical round, basic questions regarding the languages which i have mentioned in resume was asked. I mentioned python and C in my resume and a coding problem was asked to solve and to further ...read more
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Q1. In the second technical OOPS concepts and DSA questions were asked
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Q1. JavaScript based, reduce, map, Database indexing
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Q1. Strings related coding question
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Q1. Files, os and db related questions
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Consist 3 coding questions medium level

Q1. Asked about java concept
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Q2. Sql query basics
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Q1. Asked medium to advance level oops java concept
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Q2. Deep discussion over project
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Q1. Hard level linked list questions
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Q2. Advanced level sql query
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