GIS Developer

Air InfoSec; Austin (TX); On-site; USD 90,000 - 130,000; Full time

Job summary

Air InfoSec, LLC in Austin, TX, seeks a GIS Developer to support TxDOT with custom and COTS GIS applications. The role involves developing features, reviewing GIS/front-end code, and publishing ArcGIS Server map services.

You will work across TxDOT divisions and districts on project and operational tasks. Requirements include 8 years of GIS development experience, HTML5/CSS, Streamlit, C#/.NET, Esri APIs, and strong showings in IDEs like Visual Studio and SQL tools.

Qualifications

• 8 years of experience in the development, testing, installation, and deployment of custom GIS applications.
• 8 years of experience with HTML5 and CSS.
• 8 years of experience with Streamlit.
• 8 years of experience with C# and .NET.
• 8 years of experience with Esri APIs, including ArcGIS API for Python, ArcPy, and ArcGIS REST API.
• 8 years of experience with IDEs and tools such as Visual Studio, SSMS, SQL Developer, and ADO.

Responsibilities

• Plan, develop, implement, support, and maintain custom and COTS GIS applications and systems with minimal supervision.
• 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 and functionality and provide necessary technical assistance.
• Monitor application performance and recommend or implement efficiency improvements.
• Resolve security risks and vulnerabilities, and upgrade GIS applications and systems to remain in compliance with TxDOT policies.
• Publish, tune, and troubleshoot ArcGIS Server map services.
• Conduct GIS data analysis and review.
• Support end users, including business staff, vendors, other functional teams, and EOCs.
• Collaborate with cross-functional teams and TxDOT Divisions and Districts on GIS applications and data processes across both project (PMO) and operational tasks.

Skills

HTML5 & CSS

Streamlit

C# & .NET

Esri APIs (ArcGIS Python, ArcPy, REST)

IDE tools (Visual Studio, SSMS, SQLDev

Azure DevOps or Jira PM

Git/GitLab

Oracle/SQL/PLSQL

Agile methodology

FME Desktop/Server

ArcGIS Enterprise (Portal/Server/Data

IIS/AWS server mgmt

AI prompt engineering

Code assistance tools (GitHub Copilot/

Tools

ArcGIS API for Python

ArcPy

ArcGIS REST API

Visual Studio

SSMS

SQL Developer

ADO

Azure DevOps

Git

GitLab

Oracle

SQL

PL/SQL

ArcGIS Server

Portal for ArcGIS

IIS

AWS

FME Desktop

FME Server

Job description

Austin, United States

• Client Name Texas Department of Transportation
• Date Opened 10/23/2026
• Job Type Contract
• Work Experience 8 years
• Application Deadline 10/27/2026 17:00
• No. of Hours 2080
• Target Date 11/16/2026
• Contract End Date 11/15/2027
• Industry Government & Public Sector
• City Austin
• State/Province Texas
• Country United States

Job Description

This is an onsite role; only local candidates will be considered.

The GIS Developer will support the Texas Department of Transportation (TxDOT). This role will plan, develop, implement, support, and maintain custom and commercial off-the-shelf (COTS) GIS applications and systems with minimal supervision. The GIS Developer will build new features and modules, review and modify front-end and GIS code, and publish and troubleshoot ArcGIS Server map services. The position also includes monitoring application performance, resolving security vulnerabilities, and keeping GIS applications and systems compliant with TxDOT policies. The role works with cross-functional teams, TxDOT Divisions and Districts, and end users across both project and operational work.

Responsibilities

• Plan, develop, implement, support, and maintain custom and COTS GIS applications and systems with minimal supervision.
  
• 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 and functionality and provide necessary technical assistance.
  
• Monitor application performance and recommend or implement efficiency improvements.
  
• Resolve security risks and vulnerabilities, and upgrade GIS applications and systems to remain in compliance with TxDOT policies.
  
• Publish, tune, and troubleshoot ArcGIS Server map services.
  
• Conduct GIS data analysis and review.
  
• Support end users, including business staff, vendors, other functional teams, and EOCs.
  
• Collaborate with cross-functional teams and TxDOT Divisions and Districts on GIS applications and data processes across both project (PMO) and operational tasks.
  

Requirements

Minimum Qualifications

• 8 years of experience in the development, testing, installation, and deployment of custom GIS applications.
  
• 8 years of experience with HTML5 and CSS.
  
• 8 years of experience with Streamlit.
  
• 8 years of experience with C# and .NET.
  
• 8 years of experience with Esri APIs, including ArcGIS API for Python, ArcPy, and ArcGIS REST API.
  
• 8 years of experience with IDEs and tools such as Visual Studio, SSMS, SQL Developer, and ADO, or similar.
  

Preferred Qualifications

• 8 years of experience with Azure DevOps or Jira for project management, including user stories, bugs, and test cases.
  
• 8 years of experience with version control systems, such as Azure DevOps, Git, and GitLab.
  
• 8 years of experience with Oracle, SQL, and PL/SQL.
  
• 8 years of experience working in an Agile methodology.
  
• 8 years of experience with FME Desktop and FME Server, including the creation of workbenches and flows.
  
• 8 years of experience with ArcGIS Enterprise installation and configuration, including Portal for ArcGIS, ArcGIS Server, Data Stores, and ArcGIS Online.
  
• 8 years of experience with server management and configuration, including IIS and AWS.
  
• 8 years of experience with AI prompt engineering.
  
• 8 years of experience with code assistance tools, such as GitHub Copilot and Claude Code.
  

Additional Requirements

• Candidates must currently reside within 50 miles of the Austin, Texas work location.
  
• Candidates must be authorized to work in the United States.
  

Work Location and Schedule

Location: TxDOT Offices, 6230 E Stassney Ln, Austin, TX 78744.

Air InfoSec, LLC is an Equal Opportunity Employer and does not discriminate on the basis of race or ethnicity, religion, sex, national origin, age, veteran disability or genetic information or any other reason prohibited by law in employment.