European credit aggregator case study

European credit aggregator connecting borrowers with multiple partner banks

Challenge
The client faced a surge in fraudulent applications and fake borrower profiles, eroding trust among partner banks and limiting business scalability
Solution
• We worked with the client to design and deploy a cloud-based fraud detection platform powered by AI-driven decisioning services. The system analyzes loan applications in real time, combining behavioral patterns, document validation, and ML-based anomaly detection on network-level signals to identify fraud risks
• Applications are processed through automated pipelines with configurable rules that cross-check identity data, historical activity, and partner bank requirements. Fraudulent or suspicious profiles are blocked before reaching partner systems, significantly reducing the volume of false applications passed downstream
• The platform was deployed on a cloud-native stack with autoscaling, fault isolation, and observability to support growth. For the aggregator’s risk and compliance teams, we introduced real-time monitoring and case management tools, while partner banks consumed structured outputs via APIs and regulatory reports
• This architecture ensured faster approvals for legitimate applications, stronger fraud defenses, and clear audit trails to support compliance requirements
Impact
35%
reduction in fraudulent cases
Faster credit approvals across partner banks
Higher conversion of high-quality applications
Tools & Technologies
AI & ML
Catboost
Xgboost
AWS SageMaker
AWS Bedrock
MLFlow
Backend
AWS Lambda
Camunda cluster on AWS
Amazon RDS for PostgreSQL
Observability
LangFuse
Jaeger
OpenTelemetry
CloudWatch

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