SAP Labs Interview Experience for SDE

The selection process consisted of 1 online round + 3 rounds of interviews.
Round 1 (Online Assessment) 

There were 2 DSA questions and the time which was given was 45 minutes. The level of questions was easy to medium but the main constraint was time. The candidates who submitted after 20 minutes were not shortlisted. Also, the use of STL functions was not permitted.

So, you are supposed to quickly solve the questions.

Round 2 (Technical Interview 1)

This was a technical round. The interview started with the interviewer’s introduction followed by the candidate. The following questions on OOPS were asked –

• What is object-oriented programming?
• Explain polymorphism and its types.
• Write the code for virtual polymorphism.

After this, the interview moved to the DSA part. I was asked to brainstorm and implement –

• Longest substring with no repeating character
• Lowest common ancestor

The other phase was related to projects mentioned in the resume.

Round 3 (Technical Interview 2) 

The interviewer first gave his introduction. He asked me the following questions –

• Introduce yourself
• pillars of OOPs
• Explain the concepts of OOPs with real-life examples.

After this, I was asked to give a brief description of my projects.

Further, asked me to explain all sorting algorithms with their time complexity. Also, take an example of merge sort and dry run it. Further presented two codes and asked about their time complexity.

Further, the following questions were asked –

• Reverse an array
• Delete a node without a head pointer

Round 4 (HR Round) 

The round started with an introduction and various questions were asked –

• Where does the company belong to?
• Where is its headquarters?
• When did the company come to India?
• What do you know about the company?
• Why do you want to join SAP?

At the end asked me if I have any questions for him.

After this, 2 students were selected in this process and I was happy as I was one of them !!