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Informatica Software Developer Interview Questions, Process, and Tips
Informatica Software Developer Interview Experiences
1 interview found
Interview Questionnaire
11 Questions
- Q1. Asked about my project? Also asked me questions about ACID properties of database and indexing in a database
- Q2. There were also questions related to OOPS concepts including polymorphism, composition, aggregation, inheritance, Abstract classes, interface; difference between usage of abstract class and interface, can ...
- Q3. There was another question on run time and compile time binding and under which category do we classify method overloading
- Q4. Code for deleting the duplicate nodes in a sorted link list?
- Ans.
Code to delete duplicate nodes in a sorted linked list
Traverse the linked list and compare adjacent nodes
If nodes are equal, delete one of them
Repeat until all duplicates are removed
- Q5. Printing root to leaf paths in a binary search tree
- Ans.
Printing all root to leaf paths in a binary search tree
Traverse the tree recursively and keep track of the current path
When a leaf node is reached, add the current path to the list of paths
Print all the paths in the list
Use an array of strings to store the paths
- Q6. Given an Array of Integers, Find two elements in the array whose sum is closest to zero?
- Ans.
Find two integers in an array whose sum is closest to zero.
Sort the array in ascending order.
Initialize two pointers at the beginning and end of the array.
Move the pointers towards each other until the sum is closest to zero.
- Q7. What are virtual functions, what is their role? Questions related to virtual functions?
- Q8. You are given the details of each transaction of each item i.e. item_name, quantity, price. So at the end of the day, you want top 50 items that have been sold. There are two cases: - In the first case you...
- Q9. How do you quickly count the number of set bits in a 32-bit integer in linear time (with respect to the number of set bits)?
- Ans.
Count set bits in a 32-bit integer in linear time
Use bit manipulation to count set bits
Divide the integer into 16-bit chunks and count set bits in each chunk
Use lookup tables to count set bits in each 8-bit chunk
Use parallel processing to count set bits in multiple integers simultaneously
- Q10. Determining width of binary tree i.e. using breadth wise traversal
- Ans.
To determine the width of a binary tree using breadth-wise traversal, we need to count the number of nodes at each level.
Perform a breadth-first traversal of the binary tree
Count the number of nodes at each level
Keep track of the maximum number of nodes seen at any level
Return the maximum number of nodes seen
- Q11. Why files are preferred over databases?
- Ans.
Files are preferred over databases for certain types of data and applications.
Files are faster for small amounts of data.
Files are easier to manage and backup.
Files are more flexible for certain types of data, such as images or videos.
Databases are better for complex data relationships and queries.
Databases are more secure and scalable for large amounts of data.
The choice between files and databases depends on the spec
Interview Preparation Tips
Experience: There were questions from Operating Systems, C, Algorithms, Data Structures
Round: Test
Experience: This round had 15 questions.Data structures, C++ questions, algorithms (DFS/BFS)
Skills: java, OOP, Algorithm
College Name: IIT KANPUR
Skills evaluated in this interview
Interview questions from similar companies
I applied via Company Website and was interviewed in Oct 2024. There were 3 interview rounds.
It was a coding round interview along with interviewer via Virtual mode. I was given 2 coding questions on HackerRank for the interview:
1. one was an easy problem on counting minimum replacements.
2. "pat is an ordinary kid who works hard to be a great runner...." this was a challenging problem (which I managed to solve).
3. I was asked some basic Python questions, as the role was for a Python Developer.
(5 Questions)
- Q1. LLD for Parking Lot
- Q2. Which database are you going to use for Parking lot and Why ?
- Ans.
I would use a relational database like MySQL for the Parking lot as it provides structured data storage and supports complex queries.
Relational databases like MySQL offer structured data storage for parking lot information
Supports complex queries for managing parking lot data efficiently
Ability to handle large amounts of data and transactions
Provides data integrity and security features
Can easily integrate with other s
- Q3. Questions related to OOPs
- Q4. Questions related to Multi Threading
- Q5. Questions related to Projects
(2 Questions)
- Q1. I hate this since i was informed that this round was a technical.
- Q2. Usual Mangerial questions, Project Related, etc
Interview Preparation Tips
Software Developer Interview Questions & Answers
OpenText Technologies
Anonymous
posted on 11 Dec 2024
I applied via LinkedIn and was interviewed in Nov 2024. There were 3 interview rounds.
Basic DSA from the hacker rank website
(1 Question)
- Q1. Basic to medium questions on javascript, nodejs, MySQL joints, html5 tags
(1 Question)
- Q1. Real life problems, Use cases
Interview Preparation Tips
I applied via Walk-in and was interviewed in Nov 2024. There were 2 interview rounds.
1st round is aptitude and pesudocode
(2 Questions)
- Q1. Mostly python questions
- Q2. List questions and basic to mediumprogram
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Oct 2024. There were 3 interview rounds.
In first round 4 coding question like 1 dsa 2 database and one is api and question is very simple . coding round was conducted in hackerrank
(2 Questions)
- Q1. DSA QUESTION LIKE TREE AND GRAPH
- Q2. DP AND SORTING APPROACH
Again same but dsa question and oops concept in deep level
Interview Preparation Tips
amazing childrens
(5 Questions)
- Q1. Introduce yourself
- Ans.
I am a software developer with 5 years of experience in Java, Python, and SQL.
5 years of experience in Java, Python, and SQL
Worked on developing web applications using Java Spring framework
Proficient in database management with SQL
- Q2. Array question of leetcode
- Q3. Python basic and medium
- Q4. C++ standard template library
- Q5. Dynamic programming questions
(2 Questions)
- Q1. What are the key concepts of Object-Oriented Programming (OOP)?
- Ans.
Key concepts of OOP include encapsulation, inheritance, polymorphism, and abstraction.
Encapsulation: Bundling data and methods that operate on the data into a single unit (object).
Inheritance: Allowing a class to inherit properties and behavior from another class.
Polymorphism: Objects of different classes can be treated as objects of a common superclass.
Abstraction: Hiding complex implementation details and showing onl
- Q2. What is the internal working mechanism of a HashMap?
- Ans.
HashMap is a data structure that stores key-value pairs and uses hashing to quickly retrieve values based on keys.
HashMap internally uses an array of linked lists to store key-value pairs.
When a key-value pair is added, the key is hashed to determine the index in the array where the pair will be stored.
If multiple keys hash to the same index (collision), a linked list is used to store these pairs.
To retrieve a value, t...
I applied via Campus Placement and was interviewed in Oct 2024. There was 1 interview round.
(3 Questions)
- Q1. Bubble sort and array was given
- Q2. Create binary tree
- Q3. HightBuilding Pattern
Interview Preparation Tips
I applied via Referral and was interviewed in Sep 2024. There were 2 interview rounds.
2medium level questions
(2 Questions)
- Q1. Project discussion for 30 mins
- Q2. Dsa problem medium level
Selected
I applied via Recruitment Consulltant and was interviewed in Sep 2024. There were 2 interview rounds.
(1 Question)
- Q1. Rest Apis questions
(1 Question)
- Q1. Core java and OOPS and LLD
Interview Preparation Tips
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Informatica Software Developer Reviews and Ratings
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