Workflow of automated Multi Tenant SaaS Platform

We run a workflow-automation SaaS that lets customers build event-driven processes, route approvals, and call external services. The stack is Java 17, Spring Boot, PostgreSQL, Celery, Redis, Docker and AWS, all delivered in a fully multi-tenant environment... (Budget: $1500 - $3000 USD, Jobs: Amazon Web Services, AngularJS, API Development, Celery, Docker, Java, Node.js, PostgreSQL, Redis, Spring Boot)