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doodleblue innovation Software Engineer Interview Questions and Answers

Updated 25 Feb 2025

doodleblue innovation Software Engineer Interview Experiences

7 interviews found

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Jun 2024. There were 3 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Javascript and Nodejs concepts
  • Q2. MongoDB related questions
Round 2 - Technical 

(3 Questions)

  • Q1. MongoDB indexes, queries
  • Q2. Nodejs and JavaScript related questions
  • Q3. ReactJs related questions hooks and redux
Round 3 - Coding Test 

Theya give me a task with MERN Development

Interview Preparation Tips

Topics to prepare for doodleblue innovation Software Engineer interview:
  • Es6
  • Javascript
  • Nodejs
  • ExpressJs
  • React.Js
  • MongoDB
Interview preparation tips for other job seekers - Well preparation in Javascript with ES6 features, Nodejs and ReactJs you will be selected.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Nodejs releated questions...

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Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. Introduction python basics
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Aug 2023. There were 4 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 - Technical 

(2 Questions)

  • Q1. There were 2 technical for Java Full stack developer round 1: Java streams, collections in depth, create a rest api fully, adv and disadv of Rest api, stored procedure, create a sp with multiple queries, J...
  • Q2. Java8, REST Apis, few annotations of rest, Microservices work
Round 3 - Technical 

(1 Question)

  • Q1. Same as added above
Round 4 - HR 

(1 Question)

  • Q1. Basically what salary you want they will give what you want

Interview Preparation Tips

Interview preparation tips for other job seekers - Java 8, n specificaly rest Apis, DB query and microservices they want

doodleblue innovation interview questions for designations

 Senior Software Engineer

 (1)

 Software Developer

 (1)

 Manual Test Engineer

 (1)

 QA QC Engineer

 (1)

 Node JS Developer

 (2)

 Full Stack Developer

 (1)

 Sdet

 (1)

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Angular basic questions
  • Q2. Angular advanced question
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed before Oct 2023. There were 2 interview rounds.

Round 1 - Coding Test 

20 mins coding problem test

Round 2 - One-on-one 

(1 Question)

  • Q1. Trending tech and Questions based on Resume

I applied via Recruitment Consultant and was interviewed in Aug 2020. There was 1 interview round.

Interview Questionnaire 

3 Questions

  • Q1. Wat is nodejs,eventloop,promises
  • Q2. How to optimize SQL queries,joins,sequelize
  • Ans. 

    Optimizing SQL queries involves proper indexing, minimizing joins, and using efficient query patterns.

    • Use indexes on columns used in WHERE, JOIN, and ORDER BY clauses

    • Minimize the number of joins and use INNER JOIN instead of OUTER JOIN if possible

    • Avoid using SELECT * and only select the necessary columns

    • Use subqueries instead of joins if possible

    • Use UNION ALL instead of UNION if duplicates are not an issue

    • Use EXPLAIN t...

  • Answered by AI
  • Q3. They give one task to complete 2 days,they will check coding standards

Interview Preparation Tips

Interview preparation tips for other job seekers - In task we need to concentrate on coding pattern rather than output

Skills evaluated in this interview

Interview questions from similar companies

Interview Preparation Tips

Round: CGPA SHORTlist
Experience: They selected students who have CGPA greater than 8.5.After the selection was done,we had skype interviews where each student was given a slot.In the interview they ask you about 'tell me about yourself',your projects.You should explain the projects exactly and clearly.They ask you better alternatives for implementing the project.After that on the basis of the project they ask you questions related to that subject.Data structures is very important.After the questions on projects were asked they ask you to write programs on data structures(simple programs). They asked me a program to reverse a singly linked list. After that,if they are impressed with it,they go for databases.One should be thorough with functionalities of each key.If time permits they may ask you puzzles(some of my friends were asked). Quite an easy interview.They give you enough time to think so no worries.People with some interview experience can easily crack this.The main objective of the interviewer is he/she checks whether the student is perfect in the concepts learned.
Tips: Don't be panic.If you don't know anything directly say 'I don't know'. They ask you very easy questions.

General Tips: Don't be panic.Since this is skype interview you can be relaxed.Be cool and focussed .Listen to the interviewer questions carefully.
Skills: Database Management, Algorithms And Data Structures
College Name: VIT Vellore
Motivation: Company works on latest trends like azure,etc and they work on projects related to microsoft.

Interview Preparation Tips

Round: Test
Experience: 1st Round : 30 Aptitude Questions (Difficulty Level-HIGH) with nega
tive marking- My Score 15/30, Highest in the test
+ 2 Coding Questions ( Dyanamic Programming + N-Queens Problem)

Round: Technical Interview
Experience: Technical Interview- Questions based on recurssion DSA, HTML.

General Tips: Just know the project you have done in details , don't bluff
First Interview and got it in single shot.
Skill Tips: Karumanchi for DSA, w3 Schools for web related topics DBMS and SQL from Tutorial point.
Skills:
College Name: NIT Surathkal

I appeared for an interview before Oct 2020.

Round 1 - Face to Face 

(1 Question)

Round duration - 40 minutes
Round difficulty - Medium

Asked about time complexity of algorithm, puzzles, DBMS, cutting edge technologies etc. What are indexes?

  • Q1. 

    Flip Bits Problem Explanation

    Given an array of integers ARR of size N, consisting of 0s and 1s, you need to select a sub-array and flip its bits. Your task is to return the maximum count of 1s that can b...

  • Ans. 

    Given an array of 0s and 1s, find the maximum count of 1s by flipping a sub-array at most once.

    • Iterate through the array and keep track of the maximum count of 1s obtained by flipping a sub-array.

    • Consider flipping a sub-array from index i to j and calculate the count of 1s in the resulting array.

    • Return the maximum count of 1s obtained by flipping a sub-array at most once.

  • Answered by AI
Round 2 - Face to Face 

(1 Question)

Round duration - 20 minutes
Round difficulty - Medium

Asked 1 standard algorithm

  • Q1. 

    Number of Islands Problem Statement

    You are provided with a 2-dimensional matrix having N rows and M columns, containing only 1s (land) and 0s (water). Your goal is to determine the number of islands in t...

  • Ans. 

    Count the number of islands in a 2D matrix of 1s and 0s.

    • Iterate through the matrix and perform depth-first search (DFS) to find connected 1s.

    • Mark visited cells to avoid redundant traversal.

    • Increment island count whenever a new island is encountered.

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI applied for the job as Software Engineer in HyderabadEligibility criteriaAbove 65%MAQ Software interview preparation:Topics to prepare for the interview - Data Structure, Design and analysis of algorithms, DBMS, operating system, computer network, competitive programmingTime required to prepare for the interview - 1 MonthInterview preparation tips for other job seekers

Tip 1 : prepare for competitive programming
Tip 2 : know about standard algorithm
Tip 3 : must be good with dbms

Application resume tips for other job seekers

Tip 1 : must have projects, which you can explain to them
Tip 2 : have things on resume, that you are totally certain about.

Final outcome of the interviewSelected

Skills evaluated in this interview

doodleblue innovation Interview FAQs

How many rounds are there in doodleblue innovation Software Engineer interview?
doodleblue innovation interview process usually has 2 rounds. The most common rounds in the doodleblue innovation interview process are Technical, Coding Test and One-on-one Round.
What are the top questions asked in doodleblue innovation Software Engineer interview?

Some of the top questions asked at the doodleblue innovation Software Engineer interview -

  1. How to optimize SQL queries,joins,sequeli...read more
  2. There were 2 technical for Java Full stack developer round 1: Java streams, col...read more
  3. ReactJs related questions hooks and re...read more

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doodleblue innovation Software Engineer Interview Process

based on 7 interviews

1 Interview rounds

  • Technical Round
View more
doodleblue innovation Software Engineer Salary
based on 138 salaries
₹3.5 L/yr - ₹13 L/yr
At par with the average Software Engineer Salary in India
View more details

doodleblue innovation Software Engineer Reviews and Ratings

based on 29 reviews

4.1/5

Rating in categories

4.4

Skill development

4.0

Work-life balance

4.3

Salary

3.9

Job security

4.1

Company culture

4.0

Promotions

4.1

Work satisfaction

Explore 29 Reviews and Ratings
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