Celigo

Role: Senior Software Engineer-2 (SSE-2)

College: Not Specified

Interview Date: Not Specified

Interview Type: Full-Time

Result: Selected (Implied)

Difficulty: Medium to Hard

Rounds: 3 rounds

Topics Asked: Data Structures, Algorithms (Unique Paths II), System Design (Database schema for LinkedIn, Job Scheduler design and scaling), Projects, Challenges, Technical stack questions, Behavioral questions.

Experience:

This candidate had 3 rounds of interviews for an SSE-2 position at Celigo Hyderabad.

Round 1: DSA Round
The problem asked was LeetCode's "Unique Paths II". The candidate solved it using recursion and was later asked to optimize it.

Round 2: System Design Round
The candidate was asked to design a database schema for LinkedIn and answer multiple queries around it, focusing on efficiency. Additionally, the candidate had to create a Job Scheduler from scratch and discuss how to scale it.

Round 3: Technical Manager Round
In this round, the candidate was asked to explain their projects and the challenges faced. Technical questions related to their tech stack were also posed, along with some behavioral questions. The candidate cleared all rounds and proceeded to the next stage (implied selection).