Build and maintain full-stack applications, backend APIs, cloud-native services, and event-driven data pipelines for real-time traffic safety systems. Work across frontend (React/Remix, TypeScript, Vue), backend (NestJS, microservices), AWS infrastructure, containerized deployments (Docker, Kubernetes/EKS), CI/CD (GitHub Actions, ArgoCD), and Python-based ETL. Own features end-to-end and support production reliability and scalability.