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Informatica Lead Engineer Interview Questions and Answers

Updated 19 Sep 2022

Informatica Lead Engineer Interview Experiences

1 interview found

Lead Engineer Interview Questions & Answers

user image Anonymous

posted on 19 Sep 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 Resume tips
Round 2 - One-on-one 

(6 Questions)

  • Q1. My Profile summary for 5 to 10 mins
  • Q2. Program to all paths in a binary matrix n*n
  • Ans. 

    Program to find all paths in a binary matrix n*n

    • Use backtracking algorithm to explore all possible paths

    • Start from the top-left corner and explore all possible paths

    • Mark visited cells to avoid revisiting them

    • Terminate the search when all possible paths have been explored

    • Return all the valid paths found

  • Answered by AI
  • Q3. Java collections like Set , Map, their performance
  • Q4. Mango DB related questions, shading, partitioning
  • Q5. Kafka architecture and why don't we persist data in permanently.
  • Ans. 

    Kafka is a distributed streaming platform that allows for real-time data processing. Data is not persisted permanently to optimize performance.

    • Kafka is designed for real-time data processing and streaming, not for long-term storage.

    • Data is stored in Kafka for a configurable amount of time, after which it is automatically deleted.

    • Persisting data permanently would require additional storage and slow down performance.

    • Kafk...

  • Answered by AI
  • Q6. Difference between mango DB and Cassandra
  • Ans. 

    MongoDB is a document-oriented database while Cassandra is a column-family database.

    • MongoDB is better suited for complex queries and data modeling.

    • Cassandra is better for write-heavy workloads and high availability.

    • MongoDB has a flexible schema while Cassandra has a fixed schema.

    • MongoDB supports ACID transactions while Cassandra supports eventual consistency.

    • MongoDB is more popular for web applications while Cassandra

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well on data structures. Graphs, trees, linked list

Skills evaluated in this interview

Interview questions from similar companies

I applied via Naukri.com and was interviewed in Aug 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Oops Concepts and Data Structure Questions.

Interview Preparation Tips

Interview preparation tips for other job seekers - Oops And Data Structure, Collection.

I applied via Campus Placement and was interviewed before Feb 2020. There were 6 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. Was interviewed as fresher?
  • Q2. Written test conducted? with verbal ability test ? GD
  • Q3. How would u deal with a problematic situation when you are working in a team?
  • Q4. What are your plans about higher studies?

Interview Preparation Tips

Interview preparation tips for other job seekers - it was basic with apptiude test and attitiude test.

I applied via Company Website and was interviewed before Feb 2020. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. They asked about dbms questions in the form of table formate
  • Q2. They asked code for some python program

Interview Preparation Tips

Interview preparation tips for other job seekers - Firstly they conducted computer based technical exam and then after qualifying that then we will go for face face interview and then lastly HR round will be held.

I applied via Campus Placement and was interviewed in Oct 2020. There were 4 interview rounds.

Interview Questionnaire 

5 Questions

  • Q1. Wap of bubble sort
  • Ans. 

    Bubble sort is a simple sorting algorithm that repeatedly steps through the list, compares adjacent elements and swaps them if they are in the wrong order.

    • Start from the first element and compare it with the next element

    • If the next element is smaller, swap them

    • Repeat this process for all elements in the array

    • Continue this process until no more swaps are needed

  • Answered by AI
  • Q2. Wap of prime number
  • Ans. 

    A program to print all prime numbers

    • Take input from user for range of numbers

    • Loop through the range and check if each number is prime

    • Print the prime numbers

  • Answered by AI
  • Q3. What is hashmap?
  • Ans. 

    Hashmap is a data structure that stores key-value pairs and allows constant time access to values based on their keys.

    • Hashmap uses a hash function to map keys to indices in an array.

    • Collisions can occur when multiple keys map to the same index, which can be resolved using techniques like chaining or open addressing.

    • Examples of hashmap implementations include Java's HashMap class and Python's dict type.

  • Answered by AI
  • Q4. What is inheritance
  • Ans. 

    Inheritance is a mechanism in object-oriented programming where a new class is created by inheriting properties of an existing class.

    • Inheritance allows code reuse and promotes code organization.

    • The existing class is called the parent or superclass, and the new class is called the child or subclass.

    • The child class inherits all the properties and methods of the parent class and can also add new properties and methods.

    • For...

  • Answered by AI
  • Q5. Call by value and call by reference

Interview Preparation Tips

Interview preparation tips for other job seekers - Be yourself

Skills evaluated in this interview

I applied via Walk-in and was interviewed in Mar 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Introduction your self in interview

Interview Preparation Tips

Interview preparation tips for other job seekers - Interview should be very easy and comfortable to the students. And be confident at the infront of interviewer
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
4-6 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Dec 2021. There were 2 interview rounds.

Round 1 - Aptitude Test 

Basic logical reasoning and verbal questions . Easy to clear

Round 2 - HR 

(2 Questions)

  • Q1. 1.Tell me about yourself? 2.What are Your achievements?
  • Q2. 3. Your strengths? 4. How did you face a situation using your key skills?

Interview Preparation Tips

Interview preparation tips for other job seekers - Be Confident . Care to explain more instead of giving single word answers . Good luck

I applied via Campus Placement and was interviewed before Oct 2020. There were 3 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. About project done
  • Q2. Core Java basics
  • Q3. NodeJs basics

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well on Java and the technology you have used in your projects always be truthful and answer directly

Interview Questionnaire 

1 Question

  • Q1. A-Z in MySQL, programming languages(only concepts)

I applied via Company Website and was interviewed in Dec 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Self introduction

Interview Preparation Tips

Interview preparation tips for other job seekers - say individual ideas,plans, story's.say different opinions,speek confidentially, correctly answer Yes or no questions, correctly say interested and confidential job,
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Informatica Interview FAQs

How many rounds are there in Informatica Lead Engineer interview?
Informatica interview process usually has 2 rounds. The most common rounds in the Informatica interview process are Resume Shortlist and One-on-one Round.
How to prepare for Informatica Lead 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 Informatica. The most common topics and skills that interviewers at Informatica expect are Analytics, Cloud, Computer science, Data Management and Data Warehousing.
What are the top questions asked in Informatica Lead Engineer interview?

Some of the top questions asked at the Informatica Lead Engineer interview -

  1. Kafka architecture and why don't we persist data in permanent...read more
  2. difference between mango DB and Cassan...read more
  3. Program to all paths in a binary matrix ...read more

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Informatica Lead Engineer Salary
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