Innovaccer

Role: SDE-1 Backend

College: Not Specified

Interview Date: Not Specified

Interview Type: Full-Time

Result: Not Specified

Difficulty: Medium to Hard

Rounds: 3-4 rounds

Topics Asked: Data Structures & Algorithms, Python, MySQL, MongoDB, LRU Cache, LFU Cache, Database Concepts (SQL vs NoSQL), N-ary Tree, API Design, Projects, Behavioral

Experience:

This experience is for an SDE-1 Backend role at Innovaccer, Noida.

Round 1: Technical Interview

This round included a coding problem: "Find the largest substring with non-repeating characters". Questions on Python basics, MySQL queries, and MongoDB queries were also asked.

Round 2: Technical Interview

Coding questions involved implementing "LRU (Least Recently Used) cache" and "LFU (Least Frequently Used) cache". Python-related questions and database questions (SQL vs NoSQL) were also part of this round.

Round 3: HM Round

An "N-ary tree question" (described as relatively easy) was asked. Questions on API design and project-related discussions were also conducted.

Round 4: HM Round (Optional, for team change)

This round was specifically conducted for the candidate as their application was moved to another team. There were no DSA questions, as feedback was available from previous rounds. The round focused on in-depth project discussions and general questions (reason for switching, preferred location, etc.).