Rau Consulting 

These companies are a portion of those I have worked in various projects, integrations and development

Vantiv, First Data, Actimize, Jumio, FIS, Rush Street Interactive, Monster Money Transfers, PayPal, Versaci Interactive Gaming, Cams (Verifi), Sightline Payments, PayNearME, Certegy. Telecheck, Neteller, Stations Casinos and ITOGA (Inter Tribal Online Gaming Alliance)