AWS Postgres Transactional Database Setup

I need a production-ready PostgreSQL database hosted on AWS to capture and manage transactional data. The scope starts with modelling the schema from my existing business logic, then moves through provisioning... (Budget: ₹37500 - ₹75000 INR, Jobs: Amazon Web Services, Cloud Computing, Database Administration, Database Design, Database Development, Linux, Looker Studio, PostgreSQL, SQL)