We are seeking an experienced Senior .NET/Integration Developer to build the connective tissue of a new digital banking ecosystem for a major Credit Union. This role is ideal for a hands-on engineer who thrives in cross-functional teams and has strong experience developing backend APIs, orchestrating data routing between digital platforms (VeriPark), core banking systems (Fiserv), and third-party endpoints. ### What You'll Do - Design, develop, and maintain secure, high-performance REST API and service integrations across the VeriLink integration layer. - Coordinate directly with vendors (Fiserv, VeriPark) and internal teams to execute complex core banking integrations. - Support extensive integration testing activities, including System Integration Testing (SIT), regression, and end-to-end validation. - Assist in the deconversion and retirement of legacy platforms (Forge 2.0), ensuring clean data archiving and member continuity. - Collaborate with product managers, designers, architects, and developers in Agile delivery teams. ### Required Qualifications - 5+ years of recent experience in senior software development roles. - Strong backend development experience with .NET, C#, and enterprise application integration. - Extensive hands-on experience building and consuming RESTful APIs and working with OpenAPI standards. - Experience with Microservices architecture and continuous integration pipelines. - Strong database experience and knowledge of data mapping/reconciliation. ### Nice to Have - Familiarity with Fiserv core banking platforms or VeriPark solutions. - Experience in the financial services sector and handling legacy system deconversions. - Experience working with cloud platforms such as Microsoft Azure. ### What We Offer - Opportunity to work on impactful, large-scale modernization initiatives. - Collaborative and supportive engineering culture. - Exposure to modern cloud-native technologies and platforms. - Flexible and dynamic remote delivery environment.