Design, develop, deploy, and support enterprise integrations for large-scale tolling environments. Build solutions connecting Azure, CRM, IVR, SAP, payment gateways, databases, traffic systems, and external platforms. Develop C#/.NET services, APIs, microservices, Azure Functions, and Service Bus integrations; optimize high-volume processing and IVR data flows; and produce technical designs, testing documentation, impact analyses, and best-practice materials.