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I applied via LinkedIn and was interviewed in Jul 2024. There were 2 interview rounds.
General aptitude & reasoning questions
Coding round based on MERN Stack
I applied via Company Website and was interviewed before Oct 2023. There were 3 interview rounds.
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SOLID principles are a set of five design principles that help make software designs more understandable, flexible, and maintainable.
Single Responsibility Principle (SRP) - A class should have only one reason to change.
Open/Closed Principle (OCP) - Software entities should be open for extension but closed for modification.
Liskov Substitution Principle (LSP) - Objects of a superclass should be replaceable with objects o...
Different architecture choices for code include monolithic, microservices, serverless, and event-driven.
Monolithic architecture involves building the entire application as a single unit.
Microservices architecture breaks down the application into smaller, independent services.
Serverless architecture allows developers to focus on writing code without managing servers.
Event-driven architecture relies on events to trigger
I applied via Referral and was interviewed in Oct 2020. There was 1 interview round.
Weight in the transportation industry is calculated using various methods such as weighing scales, load cells, and volumetric calculations.
Weight can be measured using weighing scales that are placed on the ground or integrated into vehicles.
Load cells are used to measure the weight of individual components or cargo within a transportation system.
Volumetric calculations are used to estimate the weight of irregularly sh...
Optimizing PHP and MySQL queries involves using indexes, optimizing queries, and reducing data transfer.
Use indexes to speed up data retrieval
Optimize queries by avoiding unnecessary joins and subqueries
Reduce data transfer by selecting only necessary columns
Use caching to avoid repetitive queries
Avoid using SELECT *
Use EXPLAIN to analyze query performance
I applied via LinkedIn and was interviewed before Jan 2024. There were 2 interview rounds.
1 DSA and some simple programming questions asked.
I applied via Recruitment Consultant and was interviewed in May 2020. There were 3 interview rounds.
Diameter of a binary tree is the longest path between any two leaf nodes.
Calculate the height of left and right subtrees recursively.
Calculate the diameter recursively using the formula max(left_height + right_height + 1, max(left_diameter, right_diameter)).
Return the maximum diameter.
To find interchanged terms from an AP series
Identify the common difference between terms
Swap the positions of adjacent terms
Check if the new series is also an AP
Repeat until no more interchanged terms can be found
Database indexing is a technique to improve the performance of database queries.
Indexing creates a data structure that allows for faster retrieval of data.
Indexes are created on one or more columns of a table.
Queries that use indexed columns can be executed faster.
Indexes can be clustered or non-clustered.
Clustered indexes determine the physical order of data in a table.
Non-clustered indexes create a separate structure...
DHCP is a protocol that assigns IP addresses to devices on a network. DNS is a system that translates domain names to IP addresses.
DHCP assigns IP addresses to devices on a network
DNS translates domain names to IP addresses
DHCP reduces the need for manual IP address configuration
DNS allows users to access websites using domain names instead of IP addresses
I applied via LinkedIn and was interviewed before Apr 2021. There was 1 interview round.
I applied via Internshala and was interviewed before Sep 2021. There were 2 interview rounds.
based on 2 interviews
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Product Manager
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BlackBuck
Delhivery
Ecom Express
Shadowfax Technologies