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DH Healthcare Software Services India Private Limited (Dedalus) Full Stack Software Developer Interview Questions and Answers

Updated 28 Sep 2022

DH Healthcare Software Services India Private Limited (Dedalus) Full Stack Software Developer Interview Experiences

1 interview found

I applied via Company Website and was interviewed in Aug 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Group Discussion 

It was both HR and technical interview

Round 3 - Coding Test 

They send you some code challenge to send them back

Interview Preparation Tips

Interview preparation tips for other job seekers - good java and angular knowledge.
good knowledge of devops.

Interview questions from similar companies

I applied via Naukri.com and was interviewed in Sep 2018. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. Asked about the technology which we mention in the resume.And in my first round interviewers asked me the questions in MVC and Sql server.
  • Q2. Life cycle of MVC, last project Architecture.Group by in SQL and entity framework

Interview Preparation Tips

General Tips: Architecture of the project. Confidence lebel and problem solving skills
Skills: Communication, Problem Solving, Analytical Skills
Duration: 1-4 weeks
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - One-on-one 

(1 Question)

  • Q1. Past work experience explanation, skill set and technical requirements
Round 3 - Coding Test 

Skill test and technical knowledge evaluation

Round 4 - HR 

(1 Question)

  • Q1. Tell me about yourself, preferred work location and expected salary.

Interview Preparation Tips

Interview preparation tips for other job seekers - Maintain patience and ask them your questions . Have regular follow ups
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
-

I appeared for an interview in Jul 2022.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Coding Test 

They ask you open Hacker Earth site and choose some random programs and ask you to complete it.

Round 3 - Technical 

(6 Questions)

  • Q1. What is multi threading
  • Ans. 

    Multi threading is the ability of a program to perform multiple tasks concurrently.

    • It allows for better utilization of CPU resources

    • It can improve program performance and responsiveness

    • Examples include web servers handling multiple requests simultaneously and video games rendering graphics while processing user input

  • Answered by AI
  • Q2. What is extend keyword
  • Ans. 

    The extend keyword is used to add properties and methods to an existing object.

    • Used in JavaScript to add properties and methods to an object

    • Can be used to inherit properties and methods from a parent object

    • Syntax: Object.assign(target, ...sources)

    • Example: const obj1 = {a: 1}; const obj2 = {b: 2}; const obj3 = {...obj1, ...obj2};

  • Answered by AI
  • Q3. Explain override. Why we need virtual?
  • Ans. 

    Override is used to provide a new implementation of a method in a subclass. Virtual is needed to allow the method to be overridden.

    • Override is used to change the behavior of a method in a subclass

    • Virtual is used to allow the method to be overridden in a subclass

    • Without virtual, a subclass cannot override a method from its parent class

    • Override is used to implement polymorphism in object-oriented programming

  • Answered by AI
  • Q4. Write a program to sort the array and remove duplicates.
  • Ans. 

    Program to sort and remove duplicates from an array.

    • Use built-in sort() method to sort the array in ascending order.

    • Loop through the sorted array and remove duplicates using filter() method.

    • Return the sorted and duplicate-free array.

  • Answered by AI
  • Q5. What is Is Relationship and As Relationship in oops?
  • Ans. 

    Is Relationship and As Relationship are two types of relationships in object-oriented programming.

    • Is Relationship is a type of relationship where one class is a subset of another class.

    • As Relationship is a type of relationship where one class is a type of another class.

    • Is Relationship is denoted by a solid line with a closed arrowhead pointing towards the superclass.

    • As Relationship is denoted by a dotted line with an o...

  • Answered by AI
  • Q6. What are architectural, structural, behavioural design patterns? Why we need them?
  • Ans. 

    Architectural, structural, and behavioral design patterns are reusable solutions to common software design problems.

    • Architectural patterns define the overall structure of a software system

    • Structural patterns describe how objects and classes can be combined to form larger structures

    • Behavioral patterns focus on communication between objects and how they operate together

    • Design patterns help to improve software quality, ma...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepared with basic programming and algorithms.

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected
Round 1 - Technical 

(2 Questions)

  • Q1. Explain different types of HL7 messages
  • Q2. Difference between 1C 2C 3C attribute types in DICOM

I applied via Company Website and was interviewed in Jun 2021. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Questions were asked on the technologies mentioned on my Resume, and on the Project

Interview Preparation Tips

Interview preparation tips for other job seekers - You should have a solid grip on your current project and solid basics on you technology domain.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before Feb 2023. There was 1 interview round.

Round 1 - One-on-one 

(1 Question)

  • Q1. Tech Basic Quesions and Related to stack mostly on .net Sql and Angular

Interview Questionnaire 

7 Questions

  • Q1. What are generic and non-generic collections in .net?
  • Ans. 

    Generic collections are type-safe and can store any type of data. Non-generic collections can only store objects of type 'object'.

    • Generic collections are preferred as they provide compile-time type safety.

    • Non-generic collections are slower and can cause runtime errors if the wrong type is added.

    • Examples of generic collections include List, Dictionary, and Queue.

    • Examples of non-generic collections include

  • Answered by AI
  • Q2. What are triggers and types?
  • Ans. 

    Triggers are database objects that automatically execute in response to certain events.

    • Triggers can be used to enforce business rules or perform complex calculations.

    • Types of triggers include DML triggers, DDL triggers, and logon triggers.

    • DML triggers fire in response to data manipulation language (DML) events, such as INSERT, UPDATE, or DELETE statements.

    • DDL triggers fire in response to data definition language (DDL) ...

  • Answered by AI
  • Q3. What is managed and unmanaged code?
  • Ans. 

    Managed code is executed by the CLR while unmanaged code is executed by the operating system.

    • Managed code is written in languages like C#, VB.NET, etc. and is compiled into Intermediate Language (IL) code.

    • Unmanaged code is written in languages like C, C++, etc. and is compiled into machine code.

    • Managed code is executed by the Common Language Runtime (CLR) while unmanaged code is executed by the operating system.

    • Managed...

  • Answered by AI
  • Q4. Difference between in, out and ref parameters?
  • Ans. 

    In, out and ref are parameter modifiers in C# used to pass arguments to a method.

    • In parameters are read-only and used to pass values to a method.

    • Out parameters are write-only and used to return values from a method.

    • Ref parameters are read-write and used to pass values to and from a method.

    • In parameters are passed by value, out and ref parameters are passed by reference.

    • In parameters are optional, out and ref parameters

  • Answered by AI
  • Q5. Difference between viewdata, viewbag and tempdata?
  • Ans. 

    Difference between viewdata, viewbag and tempdata

    • ViewData is used to pass data from controller to view

    • ViewBag is a dynamic object used to pass data from controller to view

    • TempData is used to pass data between controller actions or redirects

  • Answered by AI
  • Q6. MVC lifecycle
  • Q7. What are the ways to improve performance of stored procedures?
  • Ans. 

    Ways to improve performance of stored procedures

    • Use SET NOCOUNT ON to reduce network traffic

    • Avoid using SELECT *

    • Use table variables instead of temporary tables

    • Avoid using cursors

    • Use appropriate indexes

    • Avoid using scalar functions

    • Minimize the use of triggers

    • Use stored procedures instead of ad hoc queries

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - I was able to answer most of the answers with ease and got selected for next round which was managerial round and was fairly easy.

Skills evaluated in this interview

Interview Questionnaire 

7 Questions

  • Q1. Build a stack using queues and vice versa
  • Ans. 

    Stack using queues: push() - enqueue to queue1, pop() - dequeue from queue2 after transferring n-1 elements from queue1 to queue2

    • To push an element, enqueue it to queue1

    • To pop an element, transfer n-1 elements from queue1 to queue2, dequeue the last element from queue1 and swap the names of queue1 and queue2

    • Queue using stacks: enqueue() - push to stack1, dequeue() - pop from stack2 after transferring all elements from ...

  • Answered by AI
  • Q2. Implement doubly linked list
  • Ans. 

    Doubly linked list is a data structure where each node has a pointer to both previous and next nodes.

    • Create a Node class with data, prev and next pointers

    • Create a LinkedList class with head and tail pointers

    • Implement methods to add, remove and traverse nodes

  • Answered by AI
  • Q3. Asked some questions on Distributed computing, Computer Networks
  • Q4. Asked some in depth questions on my project
  • Q5. Standard HR interview like what are your strengths and weakness, why do you want to join in our company etc
  • Q6. Are you a leader? why do you think so?
  • Ans. 

    Yes, I am a leader.

    • I have experience leading teams in previous projects.

    • I am able to communicate effectively and motivate team members.

    • I am proactive in identifying and solving problems.

    • I am able to delegate tasks and trust team members to complete them.

    • I am constantly seeking to improve my leadership skills through learning and feedback.

  • Answered by AI
  • Q7. Given a case about leader managing his team and asked some questions like what would you do in that situation

Interview Preparation Tips

Round: Technical Interview
Experience: Good and peaceful interview. Questions on computer background were simple. Interviewer had a good knowledge on my project field so he asked some really good questions.
Tips: Be clear with every single point written on your CV. Be confident !!

Round: Behavioural Interview
Experience: Overall a good experience.
Tips: The interviewer want to know how you handle the situations. Clearly express your views on the situation

General Tips: Be prepared and confident
Skills: java, Computer Networks, Analytic Skills
College Name: IIT Kharagpur
Motivation: This company is number one in US market. It has revenue more than Microsoft!!

Skills evaluated in this interview

Interview Questionnaire 

3 Questions

  • Q1. Give a short intro about yourself
  • Ans. 

    I am a recent computer science graduate with experience in software development and a passion for learning new technologies.

    • Graduated with a degree in computer science

    • Experience in software development

    • Passionate about learning new technologies

  • Answered by AI
  • Q2. What do you know about our company?
  • Ans. 

    The company is a software development firm.

    • The company specializes in software development.

    • It has a team of experienced software engineers.

    • The company has worked on various projects for clients in different industries.

    • It is known for delivering high-quality software solutions.

    • The company values innovation and creativity in its work.

  • Answered by AI
  • Q3. Asked if there were any doubts regarding what the company does

Interview Preparation Tips

Round: Test
Experience: Mostly objective type questions were asked.
Tips: CAT and GRE preparation is helpful for such tests.

Round: Test
Experience: Mostly objective type questions were asked.

Round: Group Discussion
Experience: Asked students themselves to choose a topic.

Round: Interview
Experience: Talked about the points in the resume. HR Questions, personal questions were asked.

College Name: IIT MADRAS

DH Healthcare Software Services India Private Limited (Dedalus) Interview FAQs

How many rounds are there in DH Healthcare Software Services India Private Limited (Dedalus) Full Stack Software Developer interview?
DH Healthcare Software Services India Private Limited (Dedalus) interview process usually has 3 rounds. The most common rounds in the DH Healthcare Software Services India Private Limited (Dedalus) interview process are Resume Shortlist, Group Discussion and Coding Test.

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DH Healthcare Software Services India Private Limited (Dedalus) Full Stack Software Developer Reviews and Ratings

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5.0

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