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60m

DS/ML
Fraud Detection System
Build expertise in fraud detection through hands-on SQL, EDA, and ML challenges on transactional data.
Interview Details

Step into a realistic simulation of fraud detection interviews where you’ll navigate challenges across data wrangling, SQL querying, EDA, statistics, and machine learning. Using a synthetic transactions dataset, you’ll practice spotting anomalies, building models, and interpreting insights to sharpen both your technical and communication skills. This 60-minute, scenario-driven experience mirrors real-world data science interviews to prepare you for high-stakes fraud detection roles.

What you’ll practice:

  • Tackle fraud detection tasks with a structured 60-minute interview format.
  • Strengthen SQL querying skills for anomaly detection in transaction data.
  • Apply EDA techniques to uncover hidden fraud patterns.
  • Enhance statistical reasoning with hypothesis testing on financial datasets.
  • Design and implement fraud detection models using machine learning.
  • Improve business communication by interpreting results for stakeholders.

Step into a realistic simulation of fraud detection interviews where you’ll navigate challenges across data wrangling, SQL querying, EDA, statistics, and machine learning. Using a synthetic transactio...

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The interviewer simulates a real-world interview an adapts accordingly.

Ask for hints or clarifications if you're stuck.

45 Responses
Coding interface

Built to Simulate the MAANG Experience

Prep for Every Loop

Practice explaining complex technical concepts verbally to build confidence and refine your communication skills.

Detailed Analysis

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Unlock insights that highlight your weaknesses and gives you sample responses.

Instant, Actionable Feedback

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Receive immediate, targeted guidance on solution correctness, complexity, and approach.

Interactive Environment

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Hone your coding logic in an editor and bring your system designs to life with an integrated diagramming workspace.

Tailored to Your Preferences

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Get relevant practice scenarios for your role and experience, whether you're a junior or an engineering manager.