Optiver data scientist interviews test statistical reasoning, ML model design, SQL proficiency, A/B testing methodology, and Python-based algorithm implementation.
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coding
Hard
Verified Question
#1
1. Capital Gains Tax Calculator
Category: String coding problemYou are given a chronologically sorted list of stock transactions. Each transaction is a list of strings in the format `[<timestamp>, <type>,...Input: Array of strings
Output: Computed result
coding
Hard
Verified Question
#2
2. Plane Cargo Allocator
Category: Algorithm coding problemA shipping terminal receives orders and must route cargo to available docks. Each dock has a fixed dispatch time and a remaining load capacity. An...Input: List
Output: Computed result
coding
Hard
Verified Question
#3
3. [CodeSignal] Fibonacci Storage System
Category: Graph coding problemA research facility stores artifacts in underground vaults. Each vault has multiple tiers, indexed from 0 (deepest) upward. The capacity of each tier...Input: Graph (nodes and edges)
Output: Computed result
coding
Hard
Verified Question
#4
4. [CodeSignal] Fixed Price Purchase Optimizer
Category: Algorithm coding problemA procurement team must purchase n identical components one at a time. For each component, the quoted market price is drawn independently and...Input: Given input
Output: Integer
coding
Medium
Verified Question
#5
5. [CodeSignal] Portfolio Path Counter
Category: Algorithm coding problemA warehouse manager starts with initial units of inventory. In one operation, the manager can either restock one unit (increase inventory by 1) or...Input: Number(s)
Output: Integer
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