Strong, current expertise with TypeScriptStrong expertise with:MongoDB (native Node.js driver; Mongoose a plus)jsReactjsHands-on experience with:Dependency injection / IoC containers (InversifyJS or similar)Redis-backed job queues (BullMQ or similar) and Google Cloud Tasks / Pub/SubAuth0 / OIDC / JWT-based authenticationSchema validation with ZodModern React tooling - Redux Toolkit, React Hook Form/Formik, and Material UI (MUI) or similar. Development & ArchitectureDesign, build, and support scalable applications using MongoDB, Express.js, React, Node.js (TypeScript), APIs, and GCP.Develop modern web applications, microservices, integrations, and cloud-native solutions deployed via containers to Google Cloud Run, Cloud Functions, and Kubernetes.