•Designed and operated cloud-native systems supporting large-scale e-commerce platforms and retailer integrations
•Led migration to Infrastructure as Code (IAC) using Terraform, standardizing AWS infrastructure management and improving deployment reliability across services
•Designed and implemented MongoDB Atlas Search indexes, reducing product search latency by 90% and improving catalog query performance at scale
•Built full-stack features across React and Node.js, delivering new product management workflows and resolving production UI issues affecting retailers
•Integrated multiple external payment processors and retail POS APIs, designing resilient service interfaces and error-handling strategies for third-party integrations
•Implemented observability and monitoring systems using Cloudwatch dashboards and alerts to improve operational visibility across services