TuNiB is an A.I company providing chatbots, open sources and APIs using NLP such as De-identification, Safety Check, Text Analytics, Image Analytics, Dialect Translation e.t.c.-----------------------------------------------------------# Alarm Scheduling Batch ServerImplemented alarm sending feature using SendBird## Design- Entity-relationship diagram (ERD)- Sequence diagram- Data definition language (DDL)## Technologies Used- Python 3.11- PostgreSQL (Raw Query)- Pydantic- Multi-Processing- Scheduler (CRON)-----------------------------------------------------------# API ServerDearmate (https://www.dearmate.ai/), Admin- Dearmate API Server - Provides chat functionality for the app and chatbot- Admin API Server - Manages app settings## Technologies Used- NodeJS (NestJS)- PostgreSQL- Redis- TypeORM- Raw Query-----------------------------------------------------------# API Server SeparationSeparated the code for the Admin API Server and Dearmate API Server, which were previously in a monolithic architecture- Infrastructure reconfiguration- Deployment (Script writing)## Infrastructure Configuration- ECS (EC2 Auto Scaling Group)- Auto Scaling Group- ALB (Path routing)- RDS (PostgreSQL)- Route 53-----------------------------------------------------------# Staging Server DeploymentAdded a staging server to the existing development and production server environments for stability testing## Infrastructure Configuration- ECS (Fargate)- RDS (PostgreSQL) → Utilized DB snapshot from production server- ALB- Route 53