Integration expert for Workday HCM/ SumTotal/ FinancialForce/ Peoplesoft ESA/ Oracle Taleo

Hi, we are looking for experts who can help with integration of the below systems with our SaaS platform (in the talent supply chain management space): 1. Oracle Taleo 2. Workday HCM 3. peoplesoft ESA 4. SumTotal 5. FinancialForce Carry out end to end integration of Above systems with another SaaS based tool. Must have hands-on expertise in integrations with Any one of the above software in the past and should've integrated with at least 4-5 systems earlier. Must be aware of the all potential data loss issues during the integration with any one of the above systems. Must have implemented the required authentication systems. Has the complete knowledge of any one of the above system. Also, even if they know one platform that’s ok, would love to connect with someone urgently on this.