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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Full Stack Geospatial Developer - **Company:** Vantor Inc. - **Location:** McLean, VA, United States - **Salary:** $200,000.0 - $250,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Geographic Information Systems, Application Programming Interfaces (APIs), Agile Methodology, Applications Architecture, Business Logic, ArcGIS (Software), Automation of Tests, Code Review, Databases, Continuous Integration, Data Migration, Spatial Databases, Python (Programming Language), PostgreSQL, Metadata, Metadata Standards, Node.Js, OpenLayers, Oracle (Applications), PostGIS, Scrum Methodology, Quantum GIS (QGIS), Software Engineering, Spatial Data Infrastructures, TypeScript, Web Applications, Web Services, Enterprise Software Applications, Data Ingestion, Oracle Spatial, ReactJS, Backend, Vue.js, Containerization, AngularJS, Information Technology, Geospatial Data Abstraction Library (GDAL), Restful APIs, Data Pipelines, Raster Graphics - **Published:** October 14, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9240423/full-stack-geospatial-developer ## About the Role * Bachelor's degree in Computer Science, Software Engineering, Geographic Information Systems, Geography, or a related field; equivalent experience may be considered. * Appropriate Security Clearance * Experience developing and delivering full-stack web applications. * Experience with JavaScript or TypeScript and a framework such as React, Angular, or Vue.js. * Experience with back-end development using Java, Python, Node.js, or similar technologies. * Experience designing and consuming RESTful APIs. * Professional experience working with geospatial data, GIS, or spatial data services. * Experience with PostgreSQL/PostGIS, Oracle Spatial, or comparable technologies. * Familiarity with GeoJSON, Shapefile, GeoPackage, KML/KMZ, GeoTIFF, CSV, WMS, WFS, WMTS, or similar formats and services. * Understanding of coordinate reference systems, map projections, spatial reference identifiers, geometry types, topology, metadata, and data quality principles. * Ability to produce technical documentation and communicate effectively with technical and non-technical stakeholders. * Ability to work independently and collaboratively in an Agile environment. * Willingness to work onsite full time., * Experience with ArcGIS Pro, ArcGIS Enterprise, Portal for ArcGIS, QGIS, or comparable GIS platforms. * Experience designing thematic maps, choropleth maps, symbol maps, and interactive geospatial visualizations. * Experience migrating data from Oracle to PostgreSQL/PostGIS. * Experience with OpenLayers, Leaflet, MapLibre, Mapbox GL JS, GDAL/OGR, GeoTools, or similar libraries. * Experience with containerization, CI/CD pipelines, automated testing, and enterprise deployment environments. * Familiarity with accessibility, usability, and performance considerations for web applications. * Active TS/SCI clearance with polygraph, if required by the contract. Pay Transparency: In support of pay transparency at Vantor, we disclose salary ranges on all U.S. job postings. The successful candidate's starting pay will fall within the salary range provided below and is determined based on job-related factors, including, but not limited to, the experience, qualifications, knowledge, skills, geographic work location, and market conditions. Candidates with the minimum necessary experience, qualifications, knowledge, and skillsets for the position should not expect to receive the upper end of the pay range. ## Description To be eligible for this position, you must be a U.S. Citizen. This position requires an active U.S. Government security clearance, applicants who do not currently hold the required clearance will not be eligible for consideration. Employment for cleared roles is contingent upon verification of clearance status. Export Control/ITAR: Certain roles may be subject to U.S. export control laws, requiring U.S. person status as defined by 8 U.S.C. 1324b(a)(3). Please review the job details below. This position requires an active U.S. Government Security Clearance at the TS/SCI level with required Polygraph. We are seeking a Full Stack Geospatial Developer to design, develop, test, document, and deliver web-based geospatial applications and services. This role combines full-stack software development with practical geospatial expertise to support the creation of an intuitive map-authoring application and the integration of geospatial data, databases, and services. The successful candidate will work across the front end and back end, translating complex geospatial data and workflows into reliable, user-friendly capabilities. The ideal candidate understands how geospatial data is structured, stored, visualized, analyzed, and exchanged, and can advise on the formats, schemas, coordinate reference systems, metadata, and interfaces needed to support a sustainable geospatial data library., * Design, develop, test, document, deploy, and maintain a web-based map creation application with functionality similar to Datawrapper's mapping tools. * Build intuitive user interfaces that allow users to create, configure, style, preview, save, and share interactive maps and geospatial visualizations. * Develop front-end components for loading data, selecting geographic fields, applying symbology, configuring labels and map elements, and producing publication-ready map products. * Develop back-end services, APIs, business logic, data processing workflows, and persistence mechanisms supporting the application. * Integrate the application with geospatial data, databases, APIs, web services, and enterprise systems. * Work with vector, raster and service-based geospatial data. * Advise on appropriate data formats, schemas, projection definitions, metadata standards, and interfaces for the organization's geospatial data library. * Support data ingestion, transformation, validation, quality control, and quality assessment activities. * Work with spatial databases, including Oracle and PostgreSQL/PostGIS. * Ensure geometry, topology, attribution, coordinate reference systems, and metadata are preserved and validated. * Implement and consume REST APIs, OGC services, and other Government or enterprise data services. * Write unit, integration, system, and user acceptance tests; troubleshoot defects and performance issues. * Produce technical documentation covering application architecture, APIs, data models, workflows, configuration, and operational procedures. * Participate in code reviews, architecture discussions, sprint planning, demonstrations, and Agile development activities. * Apply secure software development practices.