Esteban Aparicio, Developer in Kansas City, MO, United States
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Esteban Aparicio

Verified Expert  in Engineering

Software Developer

Kansas City, MO, United States
Toptal Member Since
September 9, 2015

Esteban is a developer with 10 years of experience specializing in Java and related technologies. He has developed full-scale web applications as well as back-end systems and business logic. Esteban is eager to help, proficient in his work and work-ethic, and fits in well with teams of all sizes.


Lexmond Communications (via Toptal)
React, JavaScript, PHP, WordPress
Adeo Works
WordPress, Crystal Reports, Microsoft SQL Server, Java
Church of the Nazarene
Subversion (SVN), Microsoft SQL Server, JSF, Java




Preferred Environment

Node.js, Visual Studio Code (VS Code)

The most amazing...

...thing I've developed is a web application used globally by pastors for reporting annual statistics.

Work Experience

Web Developer

2015 - PRESENT
Lexmond Communications (via Toptal)
  • Provided advice on web technologies and project timelines.
  • Worked on configuration and development of WordPress sites.
  • Customized WordPress themes and plugins to meet client requirements.
  • Provided on-going content updates and WordPress maintenance.
  • Created tool to help customers find fillable PDFs without needing to email support.
Technologies: React, JavaScript, PHP, WordPress

Software Developer

2013 - 2015
Adeo Works
  • Worked on automating insurance eligibility and the enrollment process.
  • Provided support and maintenance of proprietary CRM software.
  • Helped with data reporting using SAP Crystal Reports and Jaspersoft.
  • Developed a WordPress plugin for calculating ministers’ benefits and salary compensation.
  • Provided support for the Java web application.
Technologies: WordPress, Crystal Reports, Microsoft SQL Server, Java

Senior Developer

2005 - 2013
Church of the Nazarene
  • Developed a custom single sign-on authentication system.
  • Developed a web application used globally by pastors for reporting annual statistics.
  • Made enhancements to proprietary CRM software.
  • Worked on the transition to REST web services.
  • Worked on the iOS/Android apps used for a conference.
Technologies: Subversion (SVN), Microsoft SQL Server, JSF, Java

Ensign Benefits website
WordPress setup, content creation, and responsive theme with customizations.

Workday at Ensign

WordPress setup, content creation, and responsive theme with customizations.

Annual Pastors Report

Java web application used globally by churches for reporting annual statistics.

Find a Church

Java web application used to help people find a local church. The application provided several methods for searching. It was also used to provide annual statistical information about the churches.

Account authentication/authorization service

Web application and service used to manage account authentication/authorization for the organization's various web applications. The service allowed for single sign-ons and multiple account security levels.

Insurance Eligibility and Enrollment Automation

Automated the process of analyzing criteria to build a list of eligible candidates for an insurance plan as well as generating a report of those who had been enrolled or whose coverage was terminated.
2001 - 2005

Bachelor of Science Degree in Computer Engineering and Computer Science

University of Missouri – Rolla - Missouri


jQuery, React Redux, Firebase Web SDK, React, JasperReports, Node.js


Crystal Reports, Subversion (SVN)


HTML5, CSS, JavaScript, CSS3, Less, PHP, Java


Play Framework, JSF


WordPress, Visual Studio Code (VS Code)


Firebase Realtime Database, Microsoft SQL Server, MySQL


Front-end Development, Firebase Hosting

Collaboration That Works

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