Voxx
A production backend for a fitness app with AI chat, wearable integrations, and asynchronous task workflows.
2026
Backend Developer
About This Project
I built and documented a scalable backend architecture around FastAPI, async PostgreSQL, Redis, and Celery, with real-time WebSocket chat powered by Gemini and integrations for wearable data pipelines.
Technologies
PythonFastAPISQLAlchemyPostgreSQLRedisCeleryWebSocketPydanticPydantic AIGoogle GeminiTerra APIDockerGoogle CloudRuffty
Key Features
●Designed modular API architecture with auth, plans, workouts, chatbot, integrations, wellness and notifications domains
●Implemented real-time AI chat over WebSocket with thread and context management
●Built async task orchestration with Celery workers and scheduled maintenance jobs
●Integrated wearable data ingestion flows through Terra webhooks
●Applied production middleware for security headers, rate limiting, and request controls
●Documented full environment and deployment model for GCP VM infrastructure
