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CoinDCX Senior Engineer Interview Questions and Answers

Updated 25 Nov 2024

CoinDCX Senior Engineer Interview Experiences

1 interview found

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

Medium DSA question on dynamic programming

Interview questions from similar companies

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Job Portal and was interviewed before May 2023. There were 2 interview rounds.

Round 1 - Coding Test 

90 min coding test with 4-5 problems to solve

Round 2 - Technical 

(1 Question)

  • Q1. Technical rounds mostly goes around the project work ans some were based on the JD.

I applied via Naukri.com and was interviewed before Dec 2021. 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 - One-on-one 

(1 Question)

  • Q1. Questions related to SAP BW and HANA
Round 3 - One-on-one 

(1 Question)

  • Q1. Questions related to SAP BW and HANA
Round 4 - HR 

(1 Question)

  • Q1. Reason for Job Change

Interview Preparation Tips

Interview preparation tips for other job seekers - Be Confident and clear with concepts
Fractal offers good hike
Round 1 - Technical 

(2 Questions)

  • Q1. Latest features in iOS
  • Ans. 

    iOS 14 introduced new features like App Library, Widgets, Picture in Picture, and Translate app.

    • App Library organizes apps automatically into categories

    • Widgets can be added to the home screen for quick access to information

    • Picture in Picture allows for video playback while using other apps

    • Translate app offers real-time translation in multiple languages

  • Answered by AI
  • Q2. Concepts of basic topics
Round 2 - Assignment 

Display list of images with unit tests

Interview Preparation Tips

Interview preparation tips for other job seekers - Be clear in basics. Your understanding will be checked.

Skills evaluated in this interview

Interview experience
1
Bad
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Approached by Company and was interviewed in Dec 2022. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Ds algo problem solving round. Question was based on graph
  • Ans. I had to explain the logic and code
  • Answered Anonymously
  • Q2. I was asked only 1 question and i have to write code and explain the logic

Interview Preparation Tips

Interview preparation tips for other job seekers - The interview sounded least interested. I would not recommend applying here
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
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 

Medium range 2 questions

Round 3 - Technical 

(1 Question)

  • Q1. Its design round question
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I was interviewed before Apr 2023.

Round 1 - Coding Test 

Ios round
questions asked involved questions from storages used in iOS
app life cycle
multiple app login with same creds autocomplete feature

Round 2 - Coding Test 

Basic problem solving round
2 medium
1 b/w medium and hard
question were asked :
tree BFS and Stair question
dynamic programming

Round 3 - System design 

(1 Question)

  • Q1. Design app like whatsapp.
Round 4 - One-on-one 

(1 Question)

  • Q1. Basic firment round with director.

Interview Preparation Tips

Topics to prepare for Zeta Senior Software Engineer interview:
  • IOS
  • UIKit
  • dynamic programming
  • tree BFS
  • System Design
Interview preparation tips for other job seekers - Candidate should be good in Logical questions and Problem solving. should have good hands on skills in UIKit.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed before Apr 2023. There were 2 interview rounds.

Round 1 - Coding Test 

Asked get write python code for a perticular scenario

Round 2 - HR 

(1 Question)

  • Q1. Salary discussion happened

Interview Preparation Tips

Topics to prepare for Fractal Analytics Engineer interview:
  • Python
  • SQL
  • Hadoop
Interview preparation tips for other job seekers - Get in-depth knowledge before attending technical interview and be confident
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Questions on tomcat, java., spring
Round 2 - Technical 

(1 Question)

  • Q1. Q on OOPS, Resume based projects in detail
Round 3 - HR 

(1 Question)

  • Q1. Standard HR questions

I applied via Approached by Company and was interviewed before Jun 2021. There were 4 interview rounds.

Round 1 - Coding Test 

First round was coding round that comprised of 4 questions, 1 sql and 3 programming questions. Out of 3, if you are able to run 2 code successfully, you'll qualify for the next round

Round 2 - Problem Solving 

(1 Question)

  • Q1. In this round, interviewer will ask basic interview questions first, then they'll give multiple sql questions, few questions based on spark and few programming questions
Round 3 - Technical 

(8 Questions)

  • Q1. Difference between Spark and MapReduce. Spark joins like broadcast and sort merge
  • Ans. 

    Spark is faster than MapReduce due to in-memory processing and DAG execution.

    • Spark uses DAG (Directed Acyclic Graph) execution while MapReduce uses batch processing.

    • Spark performs in-memory processing while MapReduce writes to disk after each operation.

    • Spark has a more flexible programming model with support for multiple languages.

    • Spark has built-in libraries for machine learning, graph processing, and stream processin...

  • Answered by AI
  • Q2. Spark file formats like parquet, orc, avro etc. Which one you are using and why
  • Q3. Spark optimization techniques
  • Ans. 

    Spark optimization techniques improve performance and efficiency of Spark applications.

    • Partitioning data to reduce shuffling

    • Caching frequently used data

    • Using broadcast variables for small data

    • Tuning memory allocation and garbage collection

    • Using efficient data formats like Parquet

    • Avoiding unnecessary data shuffling

    • Using appropriate hardware configurations

    • Optimizing SQL queries with appropriate indexing and partitioning

  • Answered by AI
  • Q4. Basic programming language based questions
  • Q5. Hive- partition vs bucketing
  • Ans. 

    Hive partitioning is dividing data into smaller, manageable parts while bucketing is dividing data into equal parts based on a hash function.

    • Partitioning is useful for filtering data based on a specific column

    • Bucketing is useful for evenly distributing data for faster querying

    • Partitioning can be done on multiple columns while bucketing is done on a single column

    • Partitioning creates separate directories for each partiti...

  • Answered by AI
  • Q6. Hive optimization techniques
  • Ans. 

    Hive optimization techniques improve query performance and reduce execution time.

    • Partitioning tables to reduce data scanned

    • Using bucketing to group data for faster querying

    • Using vectorization to process data in batches

    • Using indexing to speed up lookups

    • Using compression to reduce storage and I/O costs

  • Answered by AI
  • Q7. Recent projects you've worked on
  • Q8. SQL based questions, window functions
Round 4 - HR 

(2 Questions)

  • Q1. Why do you want to switch
  • Q2. Have you ever faced any problem in previous projects, how you handled that

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well as coding questions involved data structures concepts too, and be confident. They are not expecting you to give correct answer for every question, what matters most is the approach to the problem and your logic.

Skills evaluated in this interview

CoinDCX Interview FAQs

How many rounds are there in CoinDCX Senior Engineer interview?
CoinDCX interview process usually has 1 rounds. The most common rounds in the CoinDCX interview process are Coding Test.
How to prepare for CoinDCX Senior Engineer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at CoinDCX. The most common topics and skills that interviewers at CoinDCX expect are Automation Testing, GCP, Mining Engineering, Network Security and Partnerships.

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CoinDCX Senior Engineer Interview Process

based on 1 interview

Interview experience

5
  
Excellent
View more

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