GIS Application Developer

Overview
DRT Strategies delivers expert management consulting and information technology (IT) solutions to large federal agencies, state and local government and commercial clients in health care, technology, and financial services industries.

The three letters of our name, DRT, stand for Driving Resolution Together, which is the core philosophy on which the company was founded. That is, we collaborate with our clients to solve their most pressing challenges - together.

We are problem solvers dedicated to your success, combining Fortune 500 experience with small business responsiveness. We have established a reputation with our clients as a forward-thinking consulting firm with demonstrated success in implementing solutions that lead to meaningful results. Our world-class consultants unite people to work collaboratively to achieve project goals and make vision a reality.

Project Description:
DRT provides solutions to address diverse, complex, and emerging problems within the public health domains. Our support includes the design, development, and enhancements of internal and external applications, websites, and database solutions with geospatial components. Our team develops innovative data capture and analysis techniques in the field to enhance emergency response efforts all around the world.

Job Summary:
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 complex GIS systems. Following an Agile DevOps methodology, builds and tests systems their integration.

Responsibilities:

• Designs, configures, customizes, and deploys new features to existing solutions; builds features from customer requirements, managing data flows, and performing routine maintenance, enhancements, and bug fixes
• Develops and manages a schedule to meet deliverables and establish estimated completion dates
• Follows the government’s software development lifecycle framework and provides agreed upon project documentation
• Supports requirements elicitation and provide feedback to optimize requirements to align to development best practices; works with business owners and analysts to define workflows and develop user stories
• Completes tasks on time with minimal supervision but supports collaboration across teams
• Provide performance monitoring and tuning, service configuration, security, and licensing 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/JavaScript to support field operations
• Produce static and interactive cartographic products to communicate complex concepts to audiences of all types

Required Experience:

• Must have or be able to obtain a Public Trust with the US federal government
• At least seven (7) years’ experience in IT development roles
• Three (3) or more years of experience with relational database management systems using SQL
• Three (3) or more years of GIS analysis experience
• Experience with developing mobile-first/responsive, dynamic, and scalable web applications
• Knowledge of geospatial and mapping concepts such as spatial analysis, map projections, etc.
• Excellent data management skills
• Browser: web workers, service workers, Web Assembly (Wasm), HTTP range requests
• Web Mapping: MapLibre, OpenLayers, ArcGIS Maps SDK for JavaScript
• API Integration: ASP.NET web api, REST api
• Web UI: HTML/CSS, Bootstrap, D3.js, DataTables.net
• Cloud-native Data Formats: parquet, geoparquet, pmtiles, COG (cloud native geotiff)
• Cloud platforms: Azure Cloud Storage, Azure Functions
• Geospatial databases - PostGIS, Spatial SQL
• Programming: JavaScript, python, Node.js, C#
• CLI: vector/raster tile generation, gdal/ogr, tippecanoe
• Module bundlers: Webpack, Vite
• Web Accessibility: WCAG-Section 508, Axe DevTools, Google Lighthouse

Preferred Experience:

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

Education & Training:

• Bachelor’s Degree in Computer Science, GIS or related field

Work Authorization, Clearance Requirement, & Additional Information:

• This position requires the ability to obtain and maintain a U.S. government Public Trust clearance. Due to contract requirements, candidates must be U.S. citizens or lawful permanent residents (green card holders) to be eligible.
• No agencies, third parties, or Corp-to-Corp submissions.

Salary Range:

• $45/hour - $60/hour
• Salary commensurate with experience.

DRT Strategies, Inc. (DRT) follows the guidelines outlined by the Equal Employment Opportunity Commission (EEOC) to provide all employees and qualified applicants employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related conditions, transgender status, and sexual orientation), national origin, age, genetic information, disability, protected veteran status, or any other protected characteristic under federal, state, or local law.

Reasonable accommodations for applicants and employees with disabilities will be provided. If a reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact Human Resources by emailing , or by dialing 571-482-2517.

For additional information, please review the Know Your Rights: Workplace Discrimination is Illegal, E-Verify (English), E-Verify (Spanish). Right to Work (English), Right to Work (Spanish).

Please be aware of recruitment fraud where malicious individuals might pose as DRT Strategies. Only job postings and emails from drtstrategies.com are authentic and legitimate communications regarding DRT Strategies employment opportunities. Please contact Human Resources at if you believe you have received a fraudulent email.

Originally posted on Himalayas