BankingTier 1 Commercial Bank12 weeks5 engineers

Case Study

40%Reduction in Fraud Losses

ML-powered real-time transaction scoring system processing 50,000 transactions per second with sub-100ms latency.

Results

Before & After

MetricBeforeAfterImprovement
Fraud Detection Accuracy72%96%↑ 33%
Alert Processing Time4 hours12 minutes↓ 95%
False Positive Rate28%4%↓ 86%
Annual Fraud Cost$12M$7.2M↓ 40%

The Challenge

What We Were Solving

A leading commercial bank was losing $12M annually to fraudulent transactions. Their existing rule-based system generated thousands of false positives daily, overwhelming their fraud operations team.

Our Solution

How We Built It

We designed and deployed a real-time ML scoring system using Azure ML, with a LightGBM model trained on 3 years of transaction history. The system integrates directly with the bank's core banking platform via FastAPI.

Tech Stack

Technologies Used

Azure MLPythonDatabricksFastAPI
StarkLogik delivered a fraud detection capability we thought would take 18 months in under 3. The false positive reduction alone has saved us 40 analyst hours per week.

Sarah Chen

CTO, Tier 1 Commercial Bank

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