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Financial ML Feature Store Improves Model Accuracy and Reduces Development Time by 60%

About the Client

The client is a mid-sized investment firm focused on portfolio management, fraud detection, and credit risk assessment. The organization relied on multiple disconnected data pipelines and lacked a centralized system for managing machine learning features. This resulted in inconsistent model performance, duplication of efforts, and longer development cycles. To address these challenges and enable scalable ML operations, the firm partnered with Zymr.

Key Outcomes

60% Reduction in Model Development Time
23-Point Improvement in Fraud Detection F1 Score

Business Challenges

The firm faced significant inefficiencies due to the absence of a unified feature management system. Data scientists independently created features for fraud detection and credit scoring models, leading to duplication, inconsistency, and lack of reusability across teams.

Model performance was impacted by the inability to ensure point-in-time correctness of data, resulting in training-serving skew and reduced accuracy in production environments. Additionally, there was no standardized way to serve features in both batch and real-time contexts.

The organization also struggled with scaling ML pipelines across large datasets and streaming data sources. Without proper infrastructure, integrating real-time fraud detection with existing systems became complex and resource-intensive.

To remain competitive, the firm required a robust feature store solution that could centralize feature management, ensure data consistency, and support both real-time and batch ML workflows.

Business Impacts / Key Results Achieved

Zymr implemented a scalable Financial ML Feature Store that streamlined feature engineering, improved model performance, and accelerated deployment cycles across fraud and credit risk use cases.

  • 60% Reduction in Model Development Time
  • 23-Point Increase in Fraud Detection F1 Score
  • 87% AUROC Achieved in Production Models
  • Improved Feature Reusability Across Teams
  • Enhanced Real-Time Fraud Detection Capabilities

Strategy and Solutions

Zymr designed and implemented a modern feature store architecture using open-source and distributed data processing technologies to support both real-time and batch ML use cases.

  • Centralized Feature Store Implementation
    Built a unified feature repository using Feast to enable consistent and reusable feature engineering across teams.
  • Point-in-Time Correctness
    Ensured accurate training datasets by implementing point-in-time joins, eliminating data leakage and training-serving skew.
  • Online and Offline Feature Serving
    Enabled seamless feature access for both real-time inference and batch model training environments.
  • Distributed Data Processing
    Leveraged Spark and Flink to handle large-scale batch and streaming data pipelines efficiently.
  • Real-Time Streaming Integration
    Integrated streaming pipelines to support low-latency fraud detection and decision-making systems.
  • Scalable ML Infrastructure
    Designed infrastructure to support high-performance model deployment and continuous feature updates.
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