Freecharge

Role: SDE-1

College: Not Specified

Interview Date: October 29, 2024

Interview Type: Full-Time

Result: Rejected in LLD

Difficulty: Medium to Hard

Rounds: 3 rounds

Topics Asked: Data Structures, Algorithms, Low-Level Design (LLD)

Experience:

The candidate interviewed for an SDE-1 role at Freecharge, though they initially sought an SDE-2 position. There were a total of 3 rounds, and all questions were derived from LeetCode, rated as medium to hard difficulty.

Round 1: This round was DSA-based. The problem was not exactly "Vertical Order Traversal of a Binary Tree" but used a similar concept.

Round 2: This was also a DSA-based round. The problem was related to "Minimum Insertions to Balance a Parentheses String".

Round 3: This round focused on Low-Level Design (LLD). The task was to design a chess game, emphasizing entities, their functionality, relationships, and design patterns. The candidate was rejected in this round.

Learnings: The candidate noted that LLD requires hands-on practice.