Senior GIS/AWS Developer/Engineer (onsite)

System One; Washington (District of Columbia); On-site; USD 125,000 - 190,000; Full time

Job summary

System One is seeking a Senior GIS/AWS Developer/Engineer to design, develop, and maintain cloud-native and on-premises software in a Washington, DC environment. The role emphasizes ESRI geospatial tech, AWS, and AI-assisted development to deliver scalable solutions.

The ideal candidate will have 7+ years in software development, 3+ years with AWS and modern web frameworks, and strong leadership in Agile teams. This is a 100% onsite position requiring U.S.

Qualifications

• 7+ years of software development experience following SDLCs with proven track record delivering complex applications.
• 3+ years hands-on experience with AWS services and modern web frameworks; experience with Angular, .NET, ECS, and Terraform.
• Experience using Claude or similar AI tools to enhance development productivity, code generation, and debugging.
• Experience with ESRI technologies (ArcGIS, ArcGIS Online, ArcGIS Server) building interactive maps and geocoding functionality.
• Strong analytical skills with experience translating business requirements into technical solutions.
• Knowledge of relational and NoSQL databases; design and optimization.

Responsibilities

• Analyze complex system requirements and design cloud-native software solutions in AWS.
• Develop and maintain geospatial applications using ESRI technologies (map creation, geocoding).
• Leverage Claude and other AI tools to enhance development productivity and code quality.
• Work with Terraform for infrastructure as code and ECS for containerized deployments.
• Write clean, efficient code following best practices and develop comprehensive documentation.
• Develop frontend applications using Angular.
• Manage software configuration in GitLab and optimize applications for cloud performance.
• Collaborate with cross-functional teams using Agile methodologies.
• Conduct testing, debugging, and code reviews to ensure quality.

Skills

Strong programming skills

Angular frontend development

Agile methodologies

Technical leadership

Geospatial development

Database design

ESRI ArcGIS development

Cloud architecture

Education

Bachelor’s degree in computer science or related IT field

Tools

AWS (ECS, S3, RDS, Lambda, API Gateway)

Terraform

Docker & ECS

GitLab CI/CD

ArcGIS API for JavaScript

Claude AI tools

Job description

Senior GIS/AWS Developer/Engineer

Washington, DC – 100% Onsite

Per Federal contract U.S. citizenship is required

Must be able to obtain Public Trust clearance

W2 or C2C

Application Deadline: 9/15

The Senior Application Developer/Engineer/Programmer will play a critical role in designing, developing, and maintaining complex software applications within the AWS cloud environment and also on premises. This position requires a highly skilled professional with extensive experience in full-stack software development, cloud-based application architecture, and the ability to translate complex business requirements into efficient, scalable technical solutions.

The ideal candidate will have strong expertise in AWS services, ESRI geospatial technologies, and experience leveraging AI tools like Claude for development productivity. This role requires analytical skills, technical leadership, and experience working in Agile environments to deliver high-quality solutions that meet business and technical standards.

Work Experience:

• Software Development: Minimum 7 years of programmer/analyst experience developing software according to SDLCs with proven track record delivering complex applications
• AWS & Modern Tools: Minimum 3 years hands-on experience with AWS services and modern web frameworks; experience with Angular, .Net, ECS, and Terraform
• AI-Assisted Development: Experience using Claude or similar AI tools (ChatGPT, GitHub Copilot) to enhance development productivity, code generation, and problem-solving
• Geospatial Development: Experience with ESRI technologies (ArcGIS, ArcGIS Online, ArcGIS Server, or similar, APIs) developing interactive maps and geocoding functionality
• Technical Analysis: Strong analytical skills with experience in system analysis, design, and translating business requirements into technical solutions
• Database Experience: Knowledge of relational and NoSQL database development, design, and optimization
• Team Leadership: Experience providing technical direction and ensuring project deadlines are met

Technical Skills:

• Bachelor’s degree in computer science or related IT field, or equivalent experience
• Development Languages & Frameworks:
  • Strong programming skills
  • Proficiency in Angular for frontend development
  • Experience with modern web development practices
• AWS & Infrastructure:
  • AWS services (ECS, S3, RDS, Lambda, API Gateway)
  • Terraform for Infrastructure as Code
  • Containerization with Docker and ECS
  • Understanding of cloud-native architecture patterns
• AI Tools:
  • Experience using Claude for development tasks (code generation, debugging, documentation)
  • Familiarity with AI-assisted development workflows
  • Experience with prompt engineering for development use cases
• ESRI: ArcGIS platform, JavaScript API, geocoding services, spatial analysis, integration with AWS
• DevOps & Tools:
  • GitLab for version control and CI/CD
  • Experience with GitLab pipelines
  • Agile methodologies (Scrum, Kanban)
  • Proficiency in creating technical documentation (data flow diagrams, architecture documentation)
  • AWS certifications are a plus

Key Responsibilities:

• Analyze complex system requirements and design cloud-native software solutions in AWS
• Develop and maintain geospatial applications using ESRI technologies (map creation, geocoding)
• Leverage Claude and other AI tools to enhance development productivity and code quality
• Work with Terraform for Infrastructure as Code and ECS for containerized deployments
• Write clean, efficient code following best practices and develop comprehensive documentation
• Develop frontend applications using Angular
• Manage software configuration in GitLab and optimize applications for cloud performance
• Collaborate with cross-functional teams using Agile methodologies
• Conduct testing, debugging, and code reviews to ensure qualitySupport production systems and troubleshoot issues