Senior MuleSoft Integrations Developer (Full time or Part time)

About the Role We’re looking for a Senior MuleSoft Integration Developer to build and own the full integration layer for a government 311 Citizen Relationship Management platform, a Salesforce implementation and... About the Role We're looking for a Senior MuleSoft Integration Developer to build and own the full integration layer for a government 311 Citizen Relationship Management platform, a Salesforce implementation and deliver the complete MuleSoft workstream from the ground up. This is a technically demanding, independent build role. You'll work closely with our Salesforce developer and engage directly with the client's enterprise system owners to obtain API documentation, schemas, and endpoint access as the engagement progresses. What You'll Be Building Three-Tier API Architecture: Design and build a full suite of Experience, Process, and System APIs following MuleSoft API-led connectivity. Experience APIs serve as the system-agnostic entry point; Process APIs own all orchestration, routing, and transformation logic; System APIs are thin adapters, one per external system. Async Event-Driven Integrations: Build bi-directional asynchronous integrations using Anypoint MQ. Outbound flows consume from queues, apply complex per-record-type DataWeave transformations, and deliver to downstream systems. Inbound flows receive events from external systems, transform to Salesforce-compatible format, and write back to Case records via the Salesforce System API. Legacy System