professional · Morningstar · Delivered

Vendor API Integration

$300K annual savings from automated account assignment

System-to-system API integration automating account-to-user assignment between Morningstar's platform and a third-party financial vendor.

Context

Built .NET Core vendor API integration with event-driven sync, idempotent handlers, error queues, and CloudWatch monitoring — replacing manual cross-system account mapping by operations teams.

My role

Lead Software Engineer.

What I built

Designed vendor API integration with data mapping contracts, retry logic, monitoring, and AWS-deployed services with Terraform-managed infrastructure.

What it shows

High-value integration engineering — $300K annual savings from removing repetitive operational work.

Technologies

.NET CoreREST APIsAWS LambdaSQSTerraformPostgreSQL