AI Invoice Discrepancy Flagging Tool -- 2

I'm looking for a skilled developer to build an AI program that will flag discrepancies in oil and gas invoices. This is essential for mitigating financial losses.

The AI should be able to identify:
- Duplicate invoices
- Incorrect prices
- Unauthorized charges

Ideal skills and experience:
- Proficiency in AI and ML development
- Experience in invoice processing and anomaly detection
- Familiarity with data integration from various sources (DB, Excel, APIs)
- Strong programming skills, preferably in Python, Java, or JavaScript

Please provide examples of similar projects you've completed.