Senior Geospatial Application Developer

At Nimbus Data Systems , we hire people who want more than a job — they want to serve a mission that matters. Our teams support the federal government’s most critical national security and defense priorities, helping protect the nation, strengthen resilience, and advance the technologies and capabilities that keep America secure. For veterans, cleared professionals, and purpose-driven innovators, Nimbus Data Systems is a place to continue serving alongside a team that understands the importance of the mission and the people behind it. We also know top talent has choices, which is why we back our mission with benefits and flexibility that stand out: competitive pay, comprehensive health coverage, flexible PTO, federal holidays off, tuition reimbursement, professional development support, wellness stipends, and a culture that values and rewards hard work, dedication, and adaptability. If you want to build something meaningful, while enjoying the kind of flexibility and support that you need to do your best work — Nimbus Data Systems is where your next mission begins. Nimbus Data Systems is seeking a Senior Geospatial Application Developer to join our team. This is a hybrid position in Washington DC. Position Description: Nimbus Data Systems is seeking a Senior Geospatial Application Developer to lead application development efforts supporting enterprise geospatial solutions within a federal environment. This role will support the design, development, enhancement, and maintenance of geospatial applications, user interfaces, workflows, APIs, and related services. The Senior Geospatial Application Developer will lead application development activities and collaborate with program team members across infrastructure, security, data, and operations to ensure applications meet federal IT requirements and mission needs. Responsibilities and Duties: Lead application development efforts for enterprise geospatial solutions. Develop, enhance, and maintain geospatial applications, user interfaces, workflows, and APIs. Support new development and maintenance of existing geospatial solutions. Collaborate with infrastructure, security, data, and program teams to ensure applications meet DHS IT requirements. Support implementation and maintenance of ArcGIS Enterprise and related geospatial services. Develop web-based GIS applications, dashboards, and integration workflows. Support geospatial data management, visualization, analysis, and application integration activities. Participate in application testing, troubleshooting, performance tuning, deployment, and maintenance activities. Develop and maintain technical documentation, application specifications, and user guides. Support cybersecurity, role-based access, and privacy requirements within application development activities. Provide technical guidance to application development team members. Support development, testing, production, and operations and maintenance environments. Requirements: Bachelor’s degree in Computer Science, Geographic Information Systems (GIS), Geography, Information Technology, Engineering, or a related field. Minimum of 6 years of relevant professional experience. Experience leading application development teams or development workstreams. Experience developing applications including user interfaces, workflows, and APIs. Proficiency with programming languages such as Python, C++, JavaScript, C#, .NET, or similar technologies. Experience supporting new development and/or maintenance of existing geospatial solutions. Experience working with ArcGIS Enterprise, ArcGIS Server, or related Esri technologies. Experience developing web applications, dashboards, workflows, or APIs. Experience collaborating with infrastructure, security, data, and program teams. Experience supporting applications within federal IT, cybersecurity, or compliance requirements. Strong analytical, problem-solving, and communication skills. Ability to work independently and support multiple priorities. Preferred Qualifications: Master’s degree in Computer Science, Geographic Information Systems (GIS), Geography, Information Technology, Engineering, or a related field. Experience developing applications using ArcGIS APIs and SDKs. Experience supporting ArcGIS GeoEvent Server. Experience with cloud-native application development. Experience supporting Kubernetes-based environments. Experience supporting GIS dashboards, analytics, and visualization tools. Experience supporting DHS or other federal government geospatial programs. Experience with DevSecOps, CI/CD pipelines, or automated deployment processes. Esri technical certifications. Due to the nature of the work we support, all candidates in consideration for this role must be willing to undergo the government issued background investigation process. We highly encourage all Veterans and those with disabilities to apply. Nimbus Data Systems is an equal opportunity employer. We will not discriminate in employment, recruitment, advertisements for employment, compensation, termination, upgrading, promotions, a