Ella — Mobile App, Backend Services & Platform Engineering

Mobile application

• Implemented onboarding and authentication flows, authenticated routing, push notification registration, and camera interactions.
• Built persistent client state and feature-flag plumbing with Zustand, MMKV, and React Query.
• Integrated WebSocket communication, conversation context, and streaming speech flows.

Backend and platform

• Contributed authentication/authorization and model-service integration, including Keycloak and LiteLLM.
• Implemented horizontal WebSocket service scaling with Redis coordination and Kubernetes service changes.
• Built Redis and PostgreSQL backup/restore infrastructure, including object-storage backups.
• Contributed centralized logging, monitoring, data pipelines, and document-processing workflows.

Ownership and evidence

These are my contributions within a team product, spanning the mobile and backend repositories. Source code remains private; the summary focuses on the areas I implemented and operated.