Our production database is already running on Odoo 17, and I want to extend it with several purpose-built features coded in Python within the standard Odoo framework. Scope • Custom modules – three new apps: advanced inventory management, targeted CRM enhancements, and a flexible reporting tool. Each module should follow OCA guidelines, be fully upgrade-safe, and appear seamlessly in the existing back-end menus. • System integrations – connect Odoo with two external services (REST API and a small on-premise tool) so that data flows bi-directionally without manual export/import. Key points – The code must be clean, commented, and delivered in independent Git branches I can review. – Unit tests are expected for critical logic; I will run them on our staging server before sign-off. – I handle functional testing; you assist with any bug fixes that surface during UAT. – All work stays compatible with Odoo 17 Community. When replying, briefly confirm similar projects you have shipped and approximate time you need for the three modules plus the integrations.