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Revamping Toyota's legacy Part Export system (R-OEM) into a modern platform (TPEX) utilizing Microservices architecture to improve operational efficiency.

Problem The legacy R-OEM system uses an outdated tech stack (Java Applet and Oracle DB), hindering further development, maintainability, and scalability. Goal To centralize legacy TMT and STM systems into a modern, faster TPEX platform with enhanced efficiency and capabilities.
Decomposed the monolithic R-OEM system into independent, scalable microservices — enabling faster development cycles, easier maintenance, and the ability to scale individual components without impacting the entire platform.
Replaced outdated Java Applet and Oracle DB dependencies with a modern tech stack, eliminating compatibility constraints and unlocking long-term maintainability and extensibility for the TPEX platform.
Unified the legacy TMT and STM systems into a single, consolidated TPEX platform — reducing operational silos and streamlining part export workflows across the organization.
Architected the new platform to handle increased data loads and operational demands, delivering measurable improvements in system speed, reliability, and overall performance.
Future-Ready Platform
Transitioned from an end-of-life tech stack to a modern, extensible architecture that supports long-term development without the risk of legacy dependency failures.
Improved Operational Efficiency
Consolidated fragmented systems into one unified platform, reducing redundant processes and enabling teams to manage part exports faster and with greater accuracy.
Scalable & Maintainable Codebase
Microservices architecture allows independent deployment and updates per service — significantly reducing downtime risk and accelerating future feature delivery.
Reduced System Bottlenecks
Eliminated performance limitations inherent in the legacy monolithic system, resulting in faster processing times and a more responsive experience for operational teams.
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