Onboarding Approval Workflow Development

I need a clean, reliable approval workflow that plugs seamlessly into both our existing web application and the companion mobile app. The flow is strictly for internal staff: a team member submits new-customer... (Budget: ₹1500 - ₹12500 INR, Jobs: API Development, Database Design, Flutter, GraphQL, Node.js, PostgreSQL, REST API, Workflow Automation)