Position Overview

Diaconia is seeking an experienced Application Developer Lead to lead the design, development, modernization, integration, and sustainment of enterprise applications supporting the Office of Special Investigations. This position serves as the technical lead for application development efforts across Microsoft 365, SharePoint Online, Microsoft Power Platform, custom web applications, and other mission-critical business applications supporting classified and unclassified environments.

The Application Developer Lead provides technical leadership throughout the software development lifecycle, collaborates with Government stakeholders to translate mission requirements into scalable technical solutions, and oversees Agile software delivery teams responsible for developing secure, reliable, and highly available enterprise applications. Working closely with the Program Manager, the Application Developer Lead ensures development activities align with contract objectives, cybersecurity requirements, enterprise architecture standards, and mission priorities. 

Key Responsibilities

Application Development Leadership

• Lead the architecture, design, development, testing, deployment, and sustainment of enterprise business applications supporting OSI operations. 
• Provide technical leadership to application developers and serve as the senior technical advisor for application modernization initiatives. 
• Design scalable, secure, and maintainable application architectures supporting classified and unclassified environments. 
• Establish development standards, coding best practices, documentation standards, and quality assurance processes. 

Microsoft 365 & Power Platform Development (Task 2.2)

• Lead administration and development of DAF365 SharePoint environments, including Site Collections, Sites, Hubs, document libraries, lists, permissions, and governance. 
• Design and develop enterprise workflows using Microsoft Power Automate. 
• Develop Canvas Apps and Model-Driven Apps using Microsoft Power Apps. 
• Design Power BI dashboards, reports, semantic models, and data visualizations supporting executive decision-making. 
• Integrate SharePoint, Power Platform, and enterprise data sources to automate business processes. 
• Develop solutions utilizing Power Fx, DAX, Power Query, JSON, REST APIs, and Microsoft cloud services. 
• Support customer requirements gathering, troubleshooting, user support, and continuous process improvement. 
• Ensure solutions comply with DAF governance, Zero Trust security principles, and Government Community Cloud (GCC/GCC High) requirements. 

Enterprise Application Development & Sustainment (Task 2.11)

• Lead full software development lifecycle activities including analysis, design, coding, testing, implementation, maintenance, and modernization of enterprise applications.      
• Develop secure web applications, APIs, backend services, and database integrations supporting OSI mission systems. 
• Perform application enhancements, defect resolution, performance tuning, and lifecycle sustainment. 
• Implement secure coding practices, vulnerability remediation, and application hardening. 
• Coordinate software releases, version control, configuration management, and production deployments. 
• Develop and maintain technical documentation, design artifacts, interface specifications, and operational procedures. 
• Ensure application availability, reliability, scalability, and maintainability consistent with contract performance objectives. 

Agile Project Leadership (Task 2.9)

• Lead Agile software development teams utilizing Scrum, Kanban, and hybrid project delivery methodologies. 
• Facilitate Sprint Planning, Daily Scrum meetings, Sprint Reviews, Retrospectives, backlog refinement, and release planning. 
• Coordinate development priorities with Government stakeholders, Product Owners, and Program Management. 
• Track project schedules, technical risks, sprint metrics, and development progress. 
• Support preparation of technical briefings, status reports, executive presentations, and project documentation. 
• Assist the Program Manager with project planning, resource allocation, technical scheduling, and continuous process improvement initiatives. 

Technical Collaboration & Quality Assurance

• Collaborate with cybersecurity, infrastructure, cloud engineering, networking, and operations teams to ensure successful application integration. 
• Review software designs, code quality, architecture decisions, and technical implementations. 
• Mentor developers and promote knowledge sharing across the development team. 
• Support testing, validation, user acceptance testing, and deployment readiness activities. 
• Ensure compliance with DoD, Department of the Air Force, and OSI security policies, software engineering standards, and configuration management processes. 

Required Minimum Qualifications

• Active Top Secret Security Clearance. 
• U.S. Citizenship required. 
• Bachelor's degree in Computer Science, Software Engineering, Information Technology, or related discipline. Equivalent professional experience may be considered. 
• Demonstrated experience leading enterprise application development teams supporting Federal or DoD organizations. 
• Experience developing Microsoft Power Platform solutions including Power Apps, Power Automate, Power BI, and SharePoint Online. 
• Experience developing enterprise web applications, APIs, databases, and workflow automation solutions. 
• Experience leading Agile software development projects using Scrum and Kanban methodologies. 
• Strong knowledge of software architecture, SDLC, DevSecOps principles, source control, automated testing, and CI/CD pipelines. 
• Experience gathering customer requirements and translating business needs into technical solutions. 
• Strong written and verbal communication skills with experience briefing technical and non-technical stakeholders. 

Preferred Qualifications

• Microsoft Certified: Power Platform Functional Consultant Associate (PL-200). 
• Microsoft Certified: Power BI Data Analyst Associate (PL-300). 
• Microsoft Certified: Power Platform Fundamentals (PL-900). 
• Agile certifications such as Certified ScrumMaster (CSM), PMI-ACP, or SAFe. 
• Experience supporting Department of the Air Force, DoD, or Intelligence Community enterprise applications. 
• Experience with Azure DevOps, Git, REST APIs, SQL Server, Microsoft Graph API, and cloud-native application development. 
• Experience implementing Zero Trust architecture and secure application development practices. 
• Experience supporting classified enterprise environments.