GIS Application Developer

DRT Strategies, Inc.•Atlanta, GA

4d•$45 - $65

About The Position

DRT Strategies provides management consulting and IT solutions to government and commercial clients. Its public health work includes designing, developing, and enhancing applications, websites, and database solutions with geospatial components, as well as data capture and analysis techniques that support emergency response. The GIS Application Developer works directly with public health GIS analysts, coordinators, epidemiologists, and other technologists to design, develop, deploy, and maintain IT solutions. The developer builds complex applications for new and existing GIS systems and builds and tests systems and integrations using an Agile DevOps methodology.

Requirements

Must have or be able to obtain a U.S. federal government Public Trust clearance.
At least seven years of experience in IT development roles.
At least three years of experience with relational database management systems using SQL.
At least three years of GIS analysis experience.
Experience developing mobile-first, responsive, dynamic, and scalable web applications.
Knowledge of geospatial and mapping concepts, including spatial analysis and map projections.
Excellent data management skills.
Knowledge or experience with browser technologies: web workers, service workers, WebAssembly (Wasm), and HTTP range requests.
Experience with web mapping technologies: MapLibre, OpenLayers, or ArcGIS Maps SDK for JavaScript.
Experience with API integration, including ASP.NET Web API and REST APIs.
Experience with web UI technologies: HTML/CSS, Bootstrap, D3.js, and DataTables.net.
Knowledge of cloud-native data formats: Parquet, GeoParquet, PMTiles, and COG (cloud-native GeoTIFF).
Experience with cloud platforms, including Azure Cloud Storage and Azure Functions.
Experience with geospatial databases, including PostGIS and Spatial SQL.
Experience with programming languages and runtimes including JavaScript, Python, Node.js, and C#.
Experience with CLI tools for vector/raster tile generation, GDAL/OGR, and Tippecanoe.
Experience with module bundlers such as Webpack and Vite.
Knowledge of web accessibility standards and tools, including WCAG/Section 508, Axe DevTools, and Google Lighthouse.
Must be a U.S. citizen or lawful permanent resident (green card holder) to meet contract eligibility requirements.
Bachelor’s degree in Computer Science, GIS, or a related field.

Nice To Haves

Experience with CDC environment and standards, including SDLC, technical architecture, and release processes.
Experience using Esri ArcGIS Enterprise (Portal), ArcGIS Online, ArcGIS Server, and SDE.
Experience with Agile and DevOps methodologies.
Esri or Azure certifications.
Knowledge of cloud architectures including GeoLakehouse, Apache Iceberg, Hive partitioning, and Hilbert Ordering.
Experience with Browser Storage APIs, including Origin Private File System (OPFS).
Experience with Deck.gl, Geoarrow, DuckDB, or SedonaDB.

Responsibilities

Design, configure, customize, and deploy features for existing solutions based on customer requirements.
Manage data flows and perform routine maintenance, enhancements, and bug fixes.
Develop and manage schedules, deliverables, and estimated completion dates.
Follow the government’s software development lifecycle framework and provide agreed-upon project documentation.
Support requirements elicitation and provide feedback to optimize requirements in line with development best practices.
Work with business owners and analysts to define workflows and develop user stories.
Complete tasks on time with minimal supervision while collaborating across teams.
Provide performance monitoring and tuning, service configuration, security, and licensing support when needed.
Provide user management support.
Troubleshoot hardware, software, and network issues.
Administer Enterprise Geodatabases using SQL.
Automate analysis and reporting tasks using scripting languages such as Python and JavaScript to support field operations.
Produce static and interactive cartographic products to communicate complex concepts to varied audiences.