GIS Developer

US: Tryfacta•Austin, TX

2d•Onsite

About The Position

Tryfacta is seeking a GIS Developer for a 12-month temporary contract assignment at 6230 E Stassney Ln, Austin, TX 78744. The position serves as a developer of custom and commercial off-the-shelf (COTS) GIS applications and systems, planning, developing, implementing, supporting, and maintaining them with minimal supervision. Normal work hours are 8:00 AM–5:00 PM.

Requirements

At least 8 years of experience in development, testing, installation, and deployment of custom GIS applications.
At least 8 years of experience with HTML5 and CSS.
At least 8 years of experience with JavaScript, TypeScript, and React.
At least 8 years of experience with Streamlit.
At least 8 years of experience with C# and .NET.
Experience with Esri ArcGIS JavaScript API versions 3.x and 4.x.
Experience with ArcSDE, Portal for ArcGIS, and ArcGIS Server configuration and troubleshooting.
Experience publishing, tuning, and troubleshooting map services.
Experience with ArcGIS Desktop, including ArcMap, ArcPro, and ArcCatalog.
At least 8 years of experience with Esri APIs, including ArcGIS API for Python, ArcPy, and ArcGIS REST API.
At least 8 years of experience with IDEs and tools such as Visual Studio, SSMS, SQL Developer, and ADO, or similar tools.

Nice To Haves

At least 8 years of experience with Azure DevOps or Jira for project management, user stories, bugs, and test cases.
At least 8 years of experience with version control systems such as Azure DevOps, GIT, or GitLab.
At least 8 years of experience with Oracle, SQL, and PL/SQL.
At least 8 years of experience with Agile methodology.
At least 8 years of experience with FME Desktop/Server, including creating workbenches and flows.
At least 8 years of experience installing and configuring ArcGIS Enterprise, including Portal for ArcGIS, ArcGIS Server, Data Stores, and ArcGIS Online.
At least 8 years of experience with server management and configuration, including IIS and AWS.
At least 8 years of experience with AI prompt engineering.
At least 8 years of experience with code-assistance tools such as GitHub Copilot or Claude Code.

Responsibilities

Support and maintain GIS applications and systems.
Design and build new features, functionality, and modules.
Review and modify code for front-end and GIS modules and tools.
Evaluate user requests for new features or functionality and provide necessary technical assistance.
Monitor application performance and recommend or implement efficiency improvements.
Resolve security risks and vulnerabilities.
Upgrade GIS applications and systems to comply with TxDOT policies.
Conduct GIS data analysis and review.
Work on both PMO projects and operational tasks.
Support end users, including business users, vendors, other functional teams, and EOCs.
Publish, tune, and troubleshoot ArcGIS Server map services.
Work with cross-functional teams.
Work with Divisions and Districts on GIS applications and data processes.