AWS EC2 Cost Optimization

I'm seeking an expert to optimize my AWS infrastructure costs. My current setup has over-provisioned EC2 instances that need to be downgraded using the EC2 Compute Optimization utility's recommendations... (Budget: ₹600 - ₹1500 INR, Jobs: Amazon Web Services, AWS Lambda, AWS SageMaker, Cloud Computing, DevOps, DNS, Linux, Performance Tuning, System Administration, Virtualization)