Senior Application Developer
Senior Application Developer — .NET / Cloud / Power Platform (Ref: 5778) Location: Remote on Pacific Time Zone M-F from 8am -5pm PT Rate: DOE Position Summary: Estrada Consulting, Inc. is seeking a Senior Application Developer to design, develop, integrate, test, and implement a modern cloud-based enterprise application replacing a legacy state-government system. The Senior Developer will work closely with the Application Architect and business/technical teams to translate complex business requirements into reliable application functionality. The position requires strong hands-on development skills across C#/.NET, cloud technologies, APIs/integrations, databases, workflow development, and Microsoft Power Platform/low-code technologies. Key Responsibilities: - Design, develop, test, deploy, and maintain custom enterprise web application functionality. - Develop application services and components using C#/.NET/.NET Core and modern web technologies. - Develop and configure cloud-based application components, preferably using AWS. - Develop Power Apps, Power Automate workflows, or other Power Platform components where appropriate. - Build configurable workflows supporting assignment, routing, review, approval, notifications, deadlines, and status tracking. - Develop functionality supporting complex forms, structured data entry, rich-text editing, document management, and version control. - Develop automated ingestion and processing of data from external systems and services. - Build and consume secure REST APIs/web services. - Implement XML and other structured-data integrations. - Develop document-generation/export functionality supporting XML, Word and PDF. - Build dashboards, queues, search, filtering, reporting, and workload-management functionality. - Implement role-based permissions and security controls. - Develop audit-trail and activity-history capabilities. - Design and implement database objects, queries, stored procedures, data-access components, and application data models. - Optimize application performance and scalability for high-concurrency use. - Implement autosave, exception handling, validation, logging, monitoring, and resilient application-processing capabilities. - Develop accessible user interfaces meeting WCAG 2.2 AA requirements. - Perform unit testing, integration testing, debugging and defect remediation. - Participate in peer code reviews and enforce established development standards. - Support CI/CD pipelines, automated deployments, configuration management, and release activities. - Participate in requirements analysis, technical design, sprint planning, demonstrations, testing, implementation, and production support. - Assist with proof-of-concept development and technical demonstrations. - Prepare technical documentation and participate in knowledge transfer. Desired Qualifications: - 10+ years of professional application/software development experience. - Strong hands-on C#/.NET/.NET Core and ASP.NET development experience. - Experience developing modern enterprise web applications. - Experience developing and deploying applications in AWS or comparable cloud environments. - Experience with Microsoft Power Platform, particularly Power Apps and Power Automate. - Strong experience developing and consuming REST APIs/web services. - Experience with XML, JSON and structured data exchange. - Strong SQL and relational database development skills. - Experience developing complex workflow-driven applications. - Experience with role-based access control and application security. - Experience with document generation, document-management functionality, reporting and dashboards. - Experience with Git/source control, CI/CD and automated deployment. - Experience with Agile application-development practices. - Experience with automated and unit testing. - Experience developing WCAG/Section 508-compliant web applications. - Government application-development experience preferred. - Experience modernizing legacy systems preferred. - Experience with legislative, regulatory, fiscal, policy, workflow, case-management, or similar government systems preferred.