SmartData Interview Experience For Software Engineer

Number of rounds: 4

• 1st round: Assessment ( offline [ that is in office ] )
• 2nd round: Machine Test
• 3rd round: Technical interview
• 4th round: Personal Interview with CEO

Round 1 :

There were two parts to the 1st round. The first part is the Aptitude round(mostly questions asked on the train). And in 2nd part, they asked questions about Machine Learning, Blockchain, microservices, API’s.

Time limit for 1st round: 1 hour

No. of questions asked: 30 [ 15 on Aptitude and 15 on trending technologies ]

Round 2:

Coding questions were easy and medium-level difficulty, in the machine test they asked me two questions one was easy level and another one was medium level.

1. Find the duplicate in the array
2. Nth stairs [ https://www.geeksforgeeks.org/problems/count-ways-to-reach-the-nth-stair-1587115620/1 ]

Time limit for 1st round: 30 min.

Round 3 :

During my technical interview, they were asked about object-oriented programming (OOPs) concepts and database management systems (DBMS), SQL and DSA ( data structures and algorithms ) and some pattern questions.

OOPs questions :

1. Why do we use oops in software development?
2. What is inheritance and what types of inheritance?
3. What is an abstract class?
4. What are the main features of OOPs?
5. What is encapsulation?
6. Types of Polymorphism?

DBMS questions :

1. Normalization in DBMS?
2. What are the advantages of DBMS over traditional file-based systems?
3. Denormalization in DBMS?
4. Different types of DBMS architecture?

SQL questions :

1. What is a UNIQUE constraint?
2. What is a Self-Join?
3. What is Data Integrity?
4. What is a Subquery?
5. What is an Alias in SQL?
6. Write a query to fetch employee data whose age is greater than or equal to 18.
7. Types of normalization
8. What is Denormalization?
9. Different types of relationships in SQL.
10. Types of command in SQL
11. What are Entities

DSA questions :

• Sorting algorithms [ bubble sort and merge sort ]
• Write a code for a palindromic string [ at least approach ]

Pattern questions :

• Star pattern question
• Alphabet pattern question

Note: Write a code for both questions.

Round 4:

In the CEO round mostly they asked questions on business and current technologies and also they saw your way of talking.

Tips :

• Be honest
• Don’t lose your confidence
• They asked some questions out of your knowledge at that time you must say, “Right now I don’t know the answer to this but I will learn it and do it”.
• Attitude is also a matter.

Best of luck !!!!