Gregory Hill

I am an experienced full-stack web developer facinated by amazing UX/UI but I don't shy away from tough backend problems.

Over the years my career has taken me on a path from education : gaming : government contractor : healthcare : entrepreneurship.
See some of the things I've worked on


Senior Developer

Cincinnati Children's Hospital
  • Co-authored "Pediatric Asthma Risk Score (PARS)" in the Journal of Allergy and Clinical Immunology (JACI) PubMed ID: 30554722
  • Created a responsive web application, PARS, as well as corresponding application Android app on Google Play and IOS app on Apple App Store
  • Served as the only technical contact for the design, development, testing, and support for GreenTracks for both CCHMC - Office of Pediatric Clinical Fellowships and the University of Cincinnati Medical Scientist Training Program
  • Our team went above and beyond the initial request of digitizing and backing up records with GreenTracks, which follows medical professionals from their time as a student, in training, and throughout their professional career
  • The web-application connects seamlessly with external sources such as MedHub, PubMed, BugSnag, and Jira through APIs after solving issues with firewalls, redundancy, and backup strategies
2015 - Present

Founder & CTO

Delta TechIt LLC
  • Created, which provides real-time and automated pre-employment candidate drug testing
  • Managed all technical responsibilities including, reviewing integration documents, communicating with third parties, selecting technology stack, and DevOps
  • Drove innovation during weekly meetings with partners including development updates, action items, and problem areas
  • Integrated with multiple external APIs via JSON Restful endpoints and SOAP web services
  • Independently crafted the idea for a solution that is digital, secure, and delivers instant results
  • Launched in 2017 and initially hosted on Azure but have since migrated to Heroku (AWS)
2017 - 2020

Lead Software Developer

CollegeSource, Inc
  • Spearheaded update to aging website leading development of and, which launched 2014
  • Built project using responsive web design with one view for all devices
  • Transferology has grown from launch to a large-scale project with more than 2MM users per year
  • Implemented W3C WCAG 2.0 web accessibility using WAI-ARIA and JavaScript to aid impaired users
  • Acted as lead developer to help 'at risk' projects get back on track, resulting in three successful product releases
  • Created and maintained roadmap for future features/enhancements, leading to a 20% sales increase
  • Maintained a course applicability system with a network of universities and colleges across the globe to help students transfer higher education credits from institution to institution
2011 - 2015

Application Software Engineer

Northrop Grumman: Xetron
  • Reduced pre-production testing run times 75% through development of automated test tools suite
  • Wrote technical documentation including test cases, plans, and procedures
  • Maintained prioritized bug lists, which were investigated to further understand problems
  • Involved with constant regression testing over multiple hardware combinations to ensure compatibility
  • Successfully led team through Factory Acceptance Testing under a shortened schedule to meet customer delivery date
2010 - 2011

Software Developer

redLantern LLC
  • Developed and designed the UI and server-side logic of the student graduation tracking system
  • Created and maintained automated test tools and test cases used for regression testing
  • Leveraged Java, Hibernate and Spring model-view-controllers
2009 - 2010

Software Engineer

Johnson & Johnson: Ethicon Endo-Surgery
  • Executed a code conversion project for a job scheduling application saving over $1MM/year
  • Programmed multiple macros and scripts for various projects ranging from time tracking tools to CAD Systems
  • Created test cases, specs, project plans, requirements, manuals, and other documentation
  • Led cross-functional teams to collaborate on projects between headquarters and manufacturing sites
  • Administered servers and created team collaboration tools and testing applications
  • Designed and developed customer billing system for Sedasys® System
2006 - 2009


University of Cincinnati

Master's Certificate
Biomedical Informatics - College of Medicine
2016 - Present

University of Cincinnati

Bachelor of Science
Computer Science - College of Engineering
2004 - 2009


Tool for finding COVID-19 vaccines in Ohio and Kentucky (Kentucky)
Launched 2021

Visit OTR

An interactive map of Cincinnati's Over-the-Rhine (OTR).
Launched 2019

Pediatric Asthma Risk Score (PARS)

The Pediatric Asthma Risk Score (PARS) is a continuous scoring system useful for assessing the risk of asthma in young children.
Launched 2018

Over-the-Rhine Chamber of Commerce (OTR CC)

As an advocate for our neighborhood, the Over-the-Rhine Chamber of Commerce cultivates and promotes the economic vitality, cultural diversity, and innovative vision of our members and our community.
Launched 2018

Real-time and automated pre-employment / candidate drug testing.
2017 - 2020


Web application that tracks the trajectory and impact of students and medical trainees
Generates NIH T32 Training Tables to improve grant funding.
Launched 2015


Web application that helps students shop around their course credit to see which schools accept it before deciding to transfer.
Launched 2014

American Legacy Tours

Cincinnati / Northern Kentucky Historical Tours homepage & ticketing system.
Launched 2011

Power Hour

Xbox 360 Indie Game
Launched 2009

Super Xblox 360

Xbox 360 Indie Game.
Launched 2009


Programming Languages, Tools, & Technologies
Full Stack Development, AWS, Java, Python, C++, C#, Rails, Responsive Design, React, JavaScript, ajax / Rest / JSON, HTML5 / CSS3, jQuery, SQL, MySql
Hibernate, Spring MVC, Git, Maven, Thymeleaf, Freemarker, JSP, Bootstrap, FontAwesome, less / SASS, OAuth, Jira, Confluence
WCAG 2.0, WAI-ARIA, Selinium, Puppeteer, TestTrack, Bamboo, Autoit, Drupal, WordPress, TCP / IP, Wireshark, Windows Kernel, Windows, Linux
  • Mobile-First, Responsive Design
  • Cross Browser Testing & Debugging
  • Cross Functional Teams
  • Agile Development


  • 1st Place - Best of Computer Science - University of Cincinnati - College of Engineering Senior Capstone Award - 2009
  • 3rd Place - Institute of Electrical and Electronics Engineers (IEEE) - Cincinnati Engineering Tech Expo for Senior Capstone Projects - 2009
  • Encore Award - Johnson & Johnson: Ethicon-Endo Surgery for "Keeping the Credo Alive" - 2006

  • Columbus, OH - Stir Trek Software Technical Conference Ateendee - 2010 to 2021
  • California State University, Northridge - CSUN Accessibility Conference Attendee - 2011 to 2015


I am a husband and father of three amazing kids. I enjoy running, playing soccer, and attending FC Cincinnati Soccer games. I'm a fan of all things Halo, Marvel, & Star Wars. In addition, I spend a large amount of my free time exploring the latest technolgy advancements in the web development world.

I was CNN's interesting person of the day because of my Groupon Marriage Proposal reported by the New York Times


  • Gamertag: Super Shredder
  • Gamerscore: 150,000+
  • Enrolled in Xbox One Alpha-skip-ahead preview program
  • Developer of Microsoft Band Tile Generator - Video game statistics from Halo 5 and Destiny available on your smart-watch
  • Published 2 Xbox Live games with a total of 85,000+ downloads world-wide (Xbox 360)
  • Original Xbox Live Beta Tester in 2003