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Case Study
Unifying Fragmented Merchant Applications for a Leading Payment Processor Through Cloud-Native Platform Modernization
A leading U.S.-based payment processor had accumulated multiple legacy merchant applications through decades of acquisitions and organic growth. Core merchant workflows including onboarding and servicing, transaction reporting, settlement management, and dispute handling were distributed across separate platforms, creating a fragmented experience for merchants and increasing operational complexity for the organization.
The fragmented technology landscape extended merchant onboarding timelines to approximately three weeks, while multiple codebases, databases, infrastructure stacks, and compliance footprints increased maintenance effort and governance complexity. At the same time, the organization needed to modernize its technology ecosystem without disrupting core payment processing operations.
The organization partnered with Bitwise to consolidate critical merchant-facing capabilities into a unified, cloud-native platform on Google Cloud Platform. Through a phased modernization approach, Bitwise helped create a more cohesive merchant experience, reduce application complexity, accelerate merchant activation and establish a scalable foundation for future platform evolution.
Client Challenges and Requirements
- Fragmented Merchant Applications: Core workflows, including merchant onboarding and servicing, transaction visibility, settlements and dispute handling, were distributed across multiple legacy systems, increasing complexity and change risk.
- Delayed Merchant Activation: A fragmented onboarding process required approximately three weeks before new merchants could begin transacting, slowing time-to-revenue.
- High Operational Overhead: Multiple codebases, databases, and infrastructure stacks required parallel maintenance and upgrades, increasing operational effort and limiting scalability.
- Expanded Compliance Scope: Separate merchant applications carried individual PCI-DSS footprints, increasing audit scope, governance complexity, and compliance effort.
- Inconsistent Merchant Experience: Disconnected applications and workflows created friction for merchants navigating different interfaces and systems.
- Zero Tolerance for Disruption: The modernization initiative needed to address accumulated technical complexity without interrupting core payment processing operations.
Bitwise Solution
- Unified Merchant Platform: Consolidated key merchant-facing capabilities, including transaction reporting, settlements, and dispute handling, into a single platform built on Google Cloud Platform.
- Modern Cloud-Native Architecture: Engineered a scalable, resilient, and PCI-DSS-compliant platform using Kubernetes, Java, ReactJS, microservices, event-driven integrations, and automated CI/CD pipelines.
- Phased Application Consolidation: Modernized and consolidated capabilities incrementally, beginning with transaction reporting and followed by settlement and dispute workflows, enabling modernization without disrupting payment processing.
- Simplified Merchant Experience: Introduced single sign-on, consistent UI/UX patterns, and consolidated data views across merchant workflows to create a more cohesive platform experience.
- Embedded Analytics and Real-Time Alerts: Added analytics and real-time notification capabilities, enabling merchants to access timely insights and alerts directly within core workflows.
- Cloud-Native Optimization: Leveraged Google Cloud services and modern engineering practices to reduce infrastructure and operational costs while improving platform scalability and maintainability.
Key Results
81% reduction in merchant onboarding time, from approximately three weeks to just four days.
60% reduction in application maintenance effort through platform consolidation and modernization.
35% increase in merchant satisfaction scores through a more cohesive and simplified experience.
Zero disruption to payment processing throughout the modernization journey.
Reduced technology and operational complexity by consolidating fragmented legacy applications.
Simplified compliance and governance through a more unified platform architecture and reduced application footprint.
Established a scalable foundation for future merchant capabilities and platform evolution.
Business Context
A leading U.S.-based payment processor had accumulated multiple legacy merchant applications through decades of acquisitions and organic growth. With merchant onboarding and servicing, transaction reporting, settlement management and dispute workflows distributed across separate platforms, the organization needed to simplify its technology landscape, reduce operational complexity and create a unified foundation for future merchant experiences.
The organization sought to modernize its fragmented application ecosystem while maintaining uninterrupted payment processing operations and improving the speed, efficiency and consistency of merchant interactions.
Conclusion
By consolidating fragmented merchant applications into a unified, cloud-native platform, Bitwise helped the client reduce operational complexity, accelerate merchant activation and simplify the merchant experience. The phased modernization approach enabled the organization to modernize critical capabilities without disrupting core payment processing operations.
Built on Google Cloud Platform and supported by modern cloud-native architecture, microservices, event-driven integrations, automated delivery pipelines and a unified user experience, the platform established a scalable foundation for continued innovation, improved merchant satisfaction and future growth across the payment ecosystem.
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