Senior GIS Developer

Peraton is hiring a Senior GIS Developer to join its First Responder Solutions team in Brooklyn, NY, working on the CommandPoint CAD platform for public safety dispatch and emergency response systems. The role focuses on designing, developing, and maintaining high-quality software solutions for law enforcement, fire, and EMS operations across major U.S. cities. The developer will integrate ESRI ArcGIS technologies into mission-critical computer-aided dispatch (CAD) systems, build C# and .NET applications using WPF, and contribute to system architecture and design decisions. Required qualifications: Bachelor's degree plus 8 years of experience (or Master's plus 6 years, or HS diploma plus 12 years); U.S. Citizen or Green Card holder; strong C# and .NET framework proficiency; WPF (Windows Presentation Framework) expertise; ESRI/ArcGIS platform experience; object-oriented programming and design pattern knowledge; Git and API integration familiarity. Preferred: technical documentation skills; geospatial data integration capabilities; cloud platforms, microservices, or containerization knowledge; Agile/Scrum experience. Salary: $86,000-$138,000. On-site position in Brooklyn, NY. Requisition 2026-165422. Posted April 3, 2026.