I need a secure, browser-based accounting platform designed for professional accountants. The system must live entirely in the cloud, offer multi-company ledger management, intuitive journal entry screens, adjustable reporting periods, drill-down financial statements, and a full audit trail... (Budget: ₹1500 - ₹12500 INR, Jobs: Accounting, Amazon Web Services, AngularJS, API Development, Cloud Computing, Node.js, Python, Web Development)