Geospatial Developer

Vantor•Reston, VA

1d•$116,000 - $169,400•Onsite

About The Position

Vantor is seeking a Geospatial Developer to design, build, and support geospatial applications, REST integrations, and data pipelines across its enterprise GIS environment. The role translates functional requirements into scalable web applications, automated geoprocessing services, and data collection tools, while bridging GIS development and business needs. The position requires extensive experience with Esri enterprise architecture, including ArcGIS Enterprise/Portal, ArcGIS Pro, Experience Builder Developer Edition, and Survey123, as well as exposing geospatial REST services to enterprise systems, search engines, and ArcGIS Earth clients. The developer will build custom Experience Builder widgets and extensions, publish and optimize ArcGIS Enterprise services, automate geospatial processing and ETL, and maintain data layers and geodatabase architectures for operational dashboards. The role also involves implementing complex Survey123 forms and workflows, migrating content between Enterprise Portals, enabling collaborative GIS use through ArcGIS Earth, and working with stakeholders to define technical specifications. This is a full-time, onsite position in Reston, Virginia. Applicants must be U.S. citizens and hold an active TS/SCI clearance and current CI polygraph; the job also states willingness and ability to obtain a CI polygraph. Employment for cleared roles is contingent upon verification of clearance status.

Requirements

U.S. citizenship.
Current, active TS/SCI security clearance and current CI polygraph; the description also states willingness and ability to obtain a CI polygraph.
10 years of experience in Computer Science, GIS, Geography, or a related technical field.
At least 2 years of experience working with the ArcGIS platform, including ArcGIS Enterprise (Server, Portal, and Data Store).
Proficiency in Python and/or JavaScript, including the ArcGIS API for JavaScript.
Experience developing and deploying web-based GIS applications.
Familiarity with RESTful APIs, web services, and ArcGIS Online/Enterprise services.
Hands-on experience with PostgreSQL/PostGIS or similar spatial databases.
Understanding of spatial data types, including vector and raster, and coordinate systems.
Experience with cloud platforms such as AWS or Azure, including services such as S3, EC2, or Azure Blob.
Ability to build and troubleshoot data pipelines and ETL processes.
Experience with Git and version control systems.
Strong problem-solving and communication skills.
Ability to work full-time onsite in Reston, Virginia.

Nice To Haves

Bachelor's degree in a related field.
At least 4 years of professional GIS and software development experience.
Experience with Docker, Kubernetes, or other container/orchestration tools in a geospatial context.
Experience with CI/CD pipelines and infrastructure-as-code tools such as Terraform.
Familiarity with ArcPy and geoprocessing services.
Understanding of OGC standards such as WMS, WFS, and GeoJSON.
Knowledge of data governance, metadata standards, and geospatial data quality assurance.
Experience working in Agile development teams or DevOps environments.

Responsibilities

Design, build, and maintain custom widgets and extensions using ArcGIS Experience Builder Developer Edition with React and TypeScript.
Integrate custom widgets with Enterprise Portal web maps, feature services, and geoprocessing tasks; optimize client-side rendering and user experience for analytical workflows.
Author, publish, and manage ArcGIS Enterprise/Portal services, including custom geoprocessing tools and spatial analysis web services.
Expose and optimize ArcGIS Server/Portal REST endpoints, including Feature Services, Map Services, Query Services, and GeoJSON endpoints, for enterprise search and external indexing systems.
Automate data preparation and back-end tasks using Python, ArcPy, and the ArcGIS API for Python.
Engineer and maintain data layers, views, and back-end geodatabase architectures in ArcGIS Pro and Portal to support ArcGIS Dashboards.
Establish automated ETL routines for real-time or near-real-time synchronization between spatial databases and dashboard reporting layers.
Architect and implement ArcGIS Survey123 forms using advanced XLSForm logic, including cascading selects, nested repeats, dynamic calculations, custom validation, and pull data functions.
Integrate Survey123 workflows with webhooks, automated notifications, and post-submission geoprocessing tasks.
Plan and execute secure content and data migrations across ArcGIS Enterprise Portals, including web maps, hosted feature layers, user permissions, and associated assets.
Script repeatable portal migration pipelines using the ArcGIS API for Python.
Deploy and administer collaborative GIS setups that enable analysts and non-core GIS staff to ingest, view, and manipulate spatial data through ArcGIS Earth.
Configure ArcGIS Earth connection profiles, Portal authentication, layer packages, and KML/KMZ service feeds for analyst data entry and 3D terrain visualization.
Collaborate with stakeholders, analysts, project managers, search platform teams, and technical leads to translate workflows into technical specifications.
Automate the creation of geospatial products and visual representations for users.
Work full-time onsite in Reston, Virginia.