Senior GIS Mapping Developer

Salary: $67,000 - 107,000 per year Requirements:

• We require at least 7 years of programmer/analyst experience developing software through SDLCs, including a track record of delivering complex applications.
• We require at least 3 years of hands-on experience with AWS services and modern web frameworks, including Angular, .NET, ECS, and Terraform.
• We require experience using Claude or similar AI tools, such as ChatGPT or GitHub Copilot, for development productivity, code generation, and problem-solving.
• We require experience with ESRI technologies, such as ArcGIS, ArcGIS Online, ArcGIS Server, or related APIs, including development of interactive maps and geocoding functionality.
• We require strong analytical skills and experience with system analysis and design, and translating business requirements into technical solutions.
• We require knowledge of relational and NoSQL database development, design, and optimization.
• We require experience providing technical direction and helping ensure project deadlines are met.
• We require a bachelors degree in computer science or a related IT field, or equivalent experience.
• We require strong programming skills, Angular proficiency, and experience with modern web development practices.
• We require familiarity with AWS services including ECS, S3, RDS, Lambda, and API Gateway; Terraform; Docker and ECS containerization; and cloud-native architecture patterns.
• We require experience with AI-assisted development workflows, including Claude for code generation, debugging, and documentation, and prompt engineering for development use cases.
• We require experience with the ArcGIS platform, JavaScript API, geocoding services, spatial analysis, and integration with AWS.
• We require experience with GitLab version control and CI/CD pipelines, and Agile methodologies such as Scrum or Kanban.
• We require proficiency in producing technical documentation, including data flow diagrams and architecture documentation.
• We require local residence in the Washington, DC area, U.S. citizenship under the federal contract, and the ability to pass a federal background check.
• We require candidates to interview in person in Washington, DC.

• We expect you to analyze complex system requirements and design cloud-native software solutions on AWS.
• We expect you to develop and maintain geospatial applications with ESRI technologies, including map creation and geocoding.
• We expect you to use Claude and other AI tools to improve development productivity and code quality.
• We expect you to use Terraform for Infrastructure as Code and ECS for containerized deployments.
• We expect you to write clean, efficient code in line with best practices and create thorough documentation.
• We expect you to develop frontend applications using Angular.
• We expect you to manage software configuration in GitLab and optimize applications for cloud performance.
• We expect you to collaborate with cross-functional teams using Agile methods.
• We expect you to test, debug, and review code to maintain quality.
• We expect you to support production systems and troubleshoot issues.

• AI
• API
• AWS
• Lambda
• Angular
• ChatGPT
• CI/CD
• Cloud
• Copilot
• Docker
• Flow
• Frontend
• GitHub
• GitLab
• Support
• JavaScript
• Kanban
• NoSQL
• Terraform
• Web
• ASP.NET
• DevOps
• GIS

More:

We are System One, a provider of specialized technical services and solutions for critical infrastructure, technology, life sciences, and government organizations. We partner with large public and private organizations on complex, mission-critical initiatives through outsourced services and workforce solutions. This is a multi-year contract based in Washington, DC, with work performed 100% onsite. We offer weekly W-2 pay with benefits or a C2C arrangement. The federal background-check process takes approximately two to three weeks. AWS certifications are a plus.

last updated 43 week of 2026