Ola

Role: SDE-1

College: B.Tech from tier 2 college

Interview Date: January, 2023

Interview Type: On-Campus

Result: Offer

Difficulty: Easy+Medium

Rounds: 3 rounds

Topics Asked: Data Structures & Algorithms (Linked List, Binary Tree, Arrays, Dynamic Programming), OOP concepts, Java vs C++, Basic DBMS concepts, Behavioral.

Experience:

This candidate, a fresher with a B.Tech from a tier 2 college, received an SDE-1 offer from Ola through an on-campus opportunity in January 2023.

Round 1: Online Assessment (60 min)

• Reverse Linked List in pairs.
• Merge 2 sorted linked lists.
• Intersection of Multiple Arrays.

Round 2: Technical Interview (90 min)

• Introduction.
• Coding: Lowest Common Ancestor (LCA) of a Binary Tree.
• Coding: Trapping Rain Water.
• OOP concepts (4 pillars).
• Java vs C++.
• Basic DBMS concepts.

Round 3: HR Round (30 min)

• Introduction.
• "Why should we hire you?"
• "What do you know about this company?"
• "What is your biggest achievement till now?"
• "What did you do during lockdown?"
• "Where do you want to see yourself in 5 years?"
• "What is your weakness and strength?"
• Tips: Be confident, show positivity, and ask questions related to the company to show interest.