Roel Rex Yabut

Developed production enterprise software and internal web-based tools for healthcare and financial-services workflows by integrating frontend experiences with backend APIs, databases, search, and asynchronous processing. Designed and optimized high-volume backend services to improve response times by 47% while maintaining 99.9% availability through performance tuning and production monitoring. Built large-scale data-processing and integration workflows handling terabyte-scale datasets, improving throughput by 32% via stronger validation and standardized data flows. Contributed to operational dashboards and data-driven interfaces connecting frontend workflows to enterprise services and database-backed processes. Integrated LLM-powered document retrieval, conversational search, and agent-based workflows while keeping AI boundaries clear across permissions and core business logic; designed healthcare claims and banking document-processing workflows to reduce manual review effort by 38%. I

Built production software for manufacturing, supply-chain, retail, and athlete-facing applications by integrating operational data pipelines and backend services into existing business systems. Developed real-time monitoring and predictive maintenance workflows for manufacturing operations, reducing equipment downtime by 25% on monitored lines. Delivered data-processing services and decision-support tools that helped identify production issues and contributed to an 8% reduction in operational costs. Partnered with product, engineering, and operations teams to turn analytical capabilities into maintainable software, including implementation, testing, optimization, deployment, and monitoring.

Built data-driven features for Nike digital platforms by integrating personalized training and recommendation capabilities into user-facing applications, contributing to a 20% increase in user engagement. Developed scalable pipelines for retail, supply-chain, athlete, and application data, reducing processing latency by 40%. Created reusable processing and analytical components and worked with application teams to integrate them into production systems. Supported production features end-to-end from requirements through implementation, testing, deployment, monitoring, and iteration based on real usage.