Odoo Inventory Customization

I need to customize the Odoo Inventory app to apply discounts based on serial numbers.

Key requirements:
- Ability to apply fixed percentage discounts on stocks using unique serial numbers.

Ideal Skills and Experience:
- Proficiency in Odoo customization, especially the Inventory module.
- Experience with discount logic implementation.
- Strong understanding of serial number management in inventory systems.
- Problem-solving skills to ensure seamless integration with existing workflows.

Please provide examples of similar work and estimated timelines.