Gannett Fleming, Inc. Mid or Senior Level Web Developer in O'Fallon, Illinois

Company Overview

GeoDecisions, a division of Gannett Fleming builds incredible location-based IT solutions.

Since 1986, our team of geospatial experts has been developing innovative solutions in an ever-changing world. We help clients across the globe and right next door improve their business and increase productivity. We work with our partners to push the boundaries of geospatial technology – creating new applications, evolving existing systems, and revolutionizing the way organizations accomplish their work.

GeoDecisions, a division of Gannett Fleming is currently seeking a Mid or Senior Level Web Developer with a top-secret security clearance to work in Vienna, VA or St. Louis, MO.

The Web Developer would join a team of developers servicing a government client and current development activities across the company. This position will be primarily supporting various Federal Government clients and innovative project throughout the country. The projects entail the design and development of advanced spatial analytical capabilities and toolsets, data maintenance and processing toolsets, web functionality, among other project activities that offer daily diversity to a developer’s experiences. This exciting opportunity provides for an individual to grow their career while working with a young, motivated project team, in a dynamic work environment and motivated clients.This position is contingent upon client funding.


  • Be part of a software development team to develop solutions based on client requirements

• Participate in application requirements gathering and design meetings

• Support under the direction of a technical architect/project manager, the development of solution modules

• Oversee testing workflows on code and review recorded findings, working with development team to resolve defects

• Be able to support rapid application development with prototypes, etc.

• Attend project status meetings as required

Minimum Qualifications


  • BS in Computer Science, Management Information Systems, GIS, or related field required.

  • 2+ years’ experience developing web applications within enterprise architectures

  • Ability to read, write, and speak English fluently

  • Ability to manage tasks and timelines effectively

  • Demonstrable ability to work as part of an integrated solution development team

  • Must already have a top-secret security clearance

Technical Skills

  • Expert web development skills, including cross-browser HTML, CSS, JavaScript, AJAX

  • Experience creating scalable, high performance JavaScript Web Applications

  • Strong web development design skills, including information architecture, interface design, visual design

  • Experience in the development of web services and APIs

  • Knowledge of CSS3 and HTML5

  • Experience with C#, ASP.NET

  • Experience with server-side MVC frameworks such as, MVC, Ruby on Rails or Zend Framework

  • Experience with object-relational mapper such as NHibernate preferred

  • Experience with esri tools and API’s preferred

Requisition #: 2018-5271

External Company Name: Gannett Fleming, Inc.

External Company URL: