Sixt

Role: SDE III

College: Tier-1 College

Interview Date: October 2025

Interview Type: Full-Time

Result: Rejected

Difficulty: Hard

Rounds: 3 rounds

Topics Asked: Data Structures, Algorithms, High-Level Design

Experience:

This candidate, with 6 years of experience from a Tier-1 college, interviewed for an SDE III position at Sixt and was rejected. The candidate felt "bad luck and was really demotivated after that."

Round 1: DSA

• Question: Rearrange array elements to place alternate negative and positive numbers.
• Another question was a variation of Container With Most Water, which was solved successfully.

Round 2: DSA

• Question: Evaluate nested expression: e.g., (((2-2)*12+22)-((22-11)*11)/2). This was described as a variation of Sliding Window Maximum. The candidate solved it but not optimally.

Round 3: HLD (High-Level Design)

• Question: Design a system that assigns ranges to each request from a server. The ranges must be monotonically increasing and non-overlapping across servers.
• Outcome for this round: Solved the first part fully, and the second part with brute force.