Siddharth Maddali

UI Developer / BI

  • Frisco TX
  • 618-521-0284


Web Developer with 6+ years of experience in visualizing, developing modern and accessible web applications. A dedicated team player with excellent organizational and project management skills. Solid knowledge in web development using HTML(5), CSS(3), JQuery, JavaScript. Aware of W3C standardsAgile methodology ,One Page Applications and Business Intelligence.

  • Worked on multiple programming/scripting languages such as CGI-Perl, PHP, ASP, ASP.NET within a short notice of time.
  • Worked on technologies like JSON  , XML, XSLT Style-sheets, AJAX and Mozilla POST.
  • Worked closely with Business Analysts to gather requirements.
  • Involved in every phase of SDLC (Analysis, Design, Development, Testing and Implementation/Deployment).
  • End to end experience in designing and deploying data visualizations using Tableau.
  • Keen eye for detail in user interface design & experience.
  • Excellent communication and problem solving skills.

Work History

Work History

Web Dev Instructor, (Graduate Assistant)

Aug 2015 - Dec 2015
Dept of ISAT, SIUC

Taught an online front-end web development course at the department of Information Systems and Applied Technologies (ISAT), SIUC. My responsibilities were:

  • Design & develop course material.
  • Deploy content to Desire2Learn (A LMS).
  • Create Code challenges and labs. (HTML5,CSS3, Javascript).
  • Evaluate student performance.
  • Support their learning and help fix bugs in their code.

Team Lead

May 2010 - Mar 2015
Area17 Studios,

Primary front-end developer for all the projects at Area17 Studios, India; lead a small team of developers and designers. Responsible for:

  • Business Analysis (Discovery, requirements gathering)
  • Creating wireframes.
  • Development, maintenance and deployment of web apps.
  • Installing ,configuring , content population for Wordpress.
  • Cross browser compatibility and UX testing.
  • Handled end-to-end development and deployment of 2 eCommerce websites. (shopping cart, payment gateway integration, admin panel).
  • Was also responsible for procuring clients and a liaison between the client and the development team.

Development was focused on HTML(5), CSS(3), Javascript, Jquery, BootstrapWordpress, AngularJS and Tableau

Web Developer 

Jan 2007 - Apr 2010
Tripura Technologies
  • Worked on multiple programming/ scripting languages.
  • Handled development, maintenance and support of web applications in technologies ranging from CGI-Perl, PHP-MySQL, ASP and ASP.NET.
  • Front-end development in XHTML, CSS, Javascript,JQuery, MooTools and AJAX.
  • Testing, bug fixing front-end and back-end applications.
  • Major contributor to the design, development, testing and deployment of an eCommerce application which was earlier in Perl into ASP.NET
  • Worked on third-party tools/libraries like MooTools, Prototype.js, Tableau and FusionCharts.



Programming/Scripting Languages

HTML5, CSS3, JavaScript, XML, PHP, RegEx.

Data Visualization Tools (BI)

Tableau, D3.js, Fusion Charts


JQuery, Bootstrap, ASP.NET Framework 2.0, 2.5


SQL Server, MySQL.

Operating Systems

Windows 7/8, Unix, Linux

Content Management Systems

Wordpress, Desire2Learn (D2L), WooCommerce

Principles / Methodologies

AJAX,MVC, Agile Development, Cross-Browser Compatibility, Usability, Web Semantics and Standards.


Sublime Text, Dreamweaver, Visual Studio, GitHub



MS in Computer Science 

Aug 2014 - Dec 2015

Masters in Computer Applications 

May 2003 - Apr 2006
BBCIT, Osmania University

Bachelors of Science

Apr 1999 - Sep 2002
Bhavan's , Osmania University


Learning Path Finder [ Python Web Scraping, Data Visualization using D3.js, JQuery]

  • Designed and developed a web application that crawls the SIU course listing web pages and intelligently extracts the information required to compute the relationships between courses (Pre-requisites, Course title, Instructor and Description).

  • Developed a data visualization to display the course dependencies in a intuitive way using D3.js force-graph. This also involves DOM manipulation and traversal.

PTSPhysicians [ JavaScript, XML, FusionCharts, Tableau ]

This web application is a  physician performance benchmarking and analytics solution, unique in the healthcare industry for using transaction-level raw data to produce precise benchmarks and performance metrics. 

  • Applied client side validations using JavaScript and jQuery. 

  • Built HTML and CSS system for controlling text display issues cross-platform and cross browser. 

  • Implemented AJAX to enhance the capability of the website. 

  • Used Firebug and Google Developer Toolbar for debugging and browser compatibility. 

  • Used CSS Blueprint to create grids and adopt cross browser interactive features. 

  • Increased developer productivity by using efficient programming methodologies and local development.

  • Handled all aspects of the web application including maintaining, developing, testing, debugging and deploying.

  • Worked on the development of Dashboard reports for the Key Performance Indicators for the top management.

  • Designed and deployed rich graphic visualizations with drill down and drop down menu option and parameterized using Tableau.
  • Used various reporting objects like Facts, Attributes, Hierarchies, Transformations, filters, prompts, Calculated fields, Sets , Groups, Parameters etc., in Tableau. [ WordPress, WooCommerce with custom theme fixes]

  • Installed, configured WordPress , WooCommerce plugins.

  • Applied a responsive theme and made custom changes to the theme based on the client requirements.
  • Conducted usability, functional and UX testing.
  • Configured the web hosting, SSL certification and payment gateway integration.,, [ HTML, CSS, JQuery]

  • Wire-framing.

  • Front-end Development and Cross Browser testing.
  • Used JQuery carousel, accordion and other effects.
  • Form Validations using Javascript/ JQuery and RegEx.
  • Developed  W3C compliant HTML and valid CSS.
  • Deployed and configured the web hosting account for the client.

VMSEHR.COM [ JQuery Anything Slider, One Page Application]

The product website helps in managing patient scheduling, patient records, checking patient demographics, ordering lab tests, tracking patient reports, making prescriptions and billing. 

  • Wire-framing.

  • Front-end Development and Cross Browser testing.
  • Developed  W3C compliant HTML and valid CSS.

Portfolio Links