Web App

Web Application Development Services

Web apps and mobile web apps unite! No longer do we need to have a completely separate mobile website attempting to detect every device and browser combination. Centralized web-based functionality using a responsive design framework provides a rich user experience across multiple devices while reducing costs for development, administration, distribution, and enhancements.


web application development services SD3 develops custom web-based solutions, integrating systems both internal and external, web and database in nature from our Chicago area offices. This includes rich user experience throughout navigation, workflow, content presentation, dashboard analytics, and reporting.


We complement most web app development with proven interface structures for backend systems like ERP, CRM, health care systems, and telephony systems. SD3 has the experience and technical expertise to integrate these platforms with the web, mobile web, and mobile apps, creating special solutions that are right for your business.


SD3's web app development team works on most existing and emerging mobile web app development platforms. Our expertise extends to web services and web service frameworks like .NET, WCF, GlassFish, Axis, and CXF. Our team is skilled with SOAP, WSDL, UDDI, fully understands Service Oriented Architecture, and the usefulness of RESTful web services for light weight mobile applications. We can build new web services or integrate with your existing ones.


Our consultants have worked with many web app development and mobile web app development technologies and frameworks, including:

  • Bootstrap, Backbone, GWT, Handlebars, Kendo UI, Sencha, Knockout, AngularJS
  • Java, J2EE, J2SE, JSP
  • Spring, Struts, Hibernate
  • PHP, Python, Ruby on Rails
  • AJAX, JavaScript, JQuery
  • RESTful Web Services, JSON

On the back-end, SD3 has expertise in almost all major relational web app development databases, including but not limited to:

  • Oracle
  • DB2, UDB
  • SQL Server
  • MySQL
  • NoSQL
  • SQLite
  • Greenplum
  • Teradata
  • PostgreSQL

Our deployment phase includes server and network engineering to establish the test and production hosting environments. Whether you seek an economic hosting provider, need special features or backend systems, or a secure HIPAA-compliant hosting solution, SD3 has the experience and partners to get you there.

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Case Studies

Customized Mobile Application Development

img3_small Bringing together multiple relevant software platforms, SD3 created an app that streamlines workflow assessment in real-time. Team members in the field can communicate smoothly with home office, each one in sync with work orders, updates and more. Read More...

HipaaCat & My Doctor Note Android and iOS Apps

case_studies_img3 A hospital system that relies on communication of critical and highly private patient information needed a safe way to do so electronically. The forward-thinkers at SD3 developed an app enabling chiefs, residents and nurses to securely send and receive images and/or messages. This required creation of a custom camera application to keep images off the “camera roll” for security and yet still gave full control of image details. Read More...

Data Warehouse Telecommunications

img10_small When the regional arm of a large cellular provided needed a massive tech fix, SD3 provided the solution, in the form of a system to monitor performance of cellular towers to troubleshoot every factor imaginable. This data retrieval and storage system not only earned a Corporate Award for Excellence, but ended up being implemented nationwide. Read More...

Website Development Marketing

img13_small SD3 built a customized marketing site that leveraged the client’s need for a heavy web presence. The environmental services company came away with a site that not only pumped the brand, but enabled the company to access regulatory adherence documentation, product lines, customer education and other critical information. Read More...

Healthcare Network Security

img14_small Multiple Network Security and HIPAA Compliance A healthcare company needed to insure that its computers, databases and networks were safe from ... Read More...