Sr App Developer (Arc GIS, Postgres SQL)
Job Title: Sr App Developer (Arc GIS, Postgres SQL) Job ID: 793581 Client: Commonwealth of PA Closing Date: 2/03/2026 IN PERSON interview in Harrisburg PA 1st day onsite onboarding and occasional in-person meetings or training. Skills Required:
- 2+ Years’ Experience with the following:
- PostgreSQL
- Experience incorporating accessibility tests into the development process
- Experience building digital products where compliance with accessibility standards is part of “definition of done”
Position Description: The position primarily serves as Senior Developer in PennDOT’s Bureau of Solutions Management. The incumbent will be responsible to assist with design and development of the new PA Unified Crash System. Candidates will work under the direction of the project’s Technical Lead and Application Architect to write, test, and document code to implement system features and enhancements using Angular, Java, Spring Boot, GIS, and Azure Function technologies. Skills: Required: 8+ Years Front-End Frameworks & UI Technologies
- Angular (preferably Angular 14 or higher)
- Responsive UI design with Bootstrap (optional) and Material Design libraries
- Prior experience with jQuery (nice to have) Back-End Development
- Java with Spring Boot (Microservices architecture)
- RESTful APIs design and integration
- GIS integrations and spatial data handling
Testing frameworks
- jUnit
- Prefer: Jasmine and Karma Data
- PostGIS - based data design for reporting layers
- PostgreSQL or any other database management system
Cloud & DevOps (Azure-Focused)
- Azure Kubernetes Service (AKS)
- Azure API Management
- Azure DevOps for CI/CD
- Containerization with Docker
- Azure Data Factory
Tools & Environments
- ArcGIS Online (AGOL)
- ArcGIS Extension plugin for WebEOC
- VS Code or Eclipse or Spring Tool Suite (STS)
- Git / Azure Repos for source control and collaboration
Required: Knowledge and Experience
- Experience with the Esri ArcGIS Maps API/SDK for Javascript
- Knowledge and experience with the following: ArcPro/ArcObjects, GeoEvent Processor, Velocity, Experience Builder, Survey123, and Field Maps
- Experience with ArcGIS Enterprise Server and ArcGIS Online/Hub/Community as an Administrator
- Experience in designing/developing geocodes and geoprocessing services
- Knowledge of Esri ArcSDE and multi-user versioning with state trees/branch versioning
- Knowledge of linear referencing systems/methods, Esri Roads and Highways, Oracle Locator/Spatial
- Knowledge of responsiveness and mobile-first development
- Knowledge of Design Patterns and Solid principles
- Knowledge of digital accessibility and disability inclusion
- Knowledge of regulations related to digital accessibility (e.g., Section 508, ADA)
- Knowledge of WCAG 2.1 AA requirements
- Experience designing for platform technologies (e.g., HTML, CSS, JavaScript, iOS, Android)
- Experience applying WAI-ARIA authoring guidelines and best practices
- Experience optimizing for the accessibility features of the platform (HTML, iOS, Android)
- Experience developing digital products that comply with accessibility standards
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