I help add features to and maintain their suite of native iOS and Android apps to help hospital patients to communicate with their care providers remotely. * SwiftUI* Jetpack Compose* Ruby on Rails* AWS

Worked with various customers to help them design, build ,ship and maintain native iOS and Android apps with backends in node.js, rails, and java.Please see https://jonathanduty.dev for a list of shipped apps.

Mobile developer working on the PAM and Architecture teams.

1) Helped Match.com build and ship new features in their award winning iOS app used by millions of people daily.2) Worked on a team re-writing the UI for the Match.com iOS app in swift and improving performance.

* Leading the design, planning, and implementation of "Donuts Go Crazy" on iOS and Android (www.donutsgocrazy.com).* building highly polished apps on iOS and android using c++, objective-C and xCode.* Donuts Go Crazy - iOS (https://itunes.apple.com/us/app/donuts-go-crazy/id999690562)* Donuts Go Crazy - Android (https://play.google.com/store/apps/details?id=com.SpaceInch.Donuts)

* Worked with book publishing groups to create the “Lonely Planet Kids” brand and related mobile games.* Designed, developed and shipped “Amazing World Atlas by Lonely Planet” and “Tiny World Atlas” on iOS, Google Play, and Amazon Fire using cocos2d and SpriteBuilder, Xcode.* Developed mobile iOS & Android game framework for franchise interactive sticker books using Unity3d and Unity’s new UI system. * Help build Lonely Planet's "Make My Day" on iOS and Android mobile apps using XCode and Android Studio.* Helped ship the localized version of Lonely Planet's "Fast Talk" app on iOS using Xcode.* Worked on Lonely Planet's new "Flagship" mobile travel app for iOS and Android.Apps Shipped:* Amazing World Atlas (Google Play Best Apps 2014)** iOS: https://itunes.apple.com/us/app/amazing-world-atlas-by-lonely/id916745147?ls=1&mt=8** Google Play: https://play.google.com/store/apps/details?id=com.lonelyplanet.kids.atlas** Amazon Kindle: http://amzn.com/B00NP4DFLY* FastTalk ** iOS (https://itunes.apple.com/us/app/fast-talk-by-lonely-planet/id692354591?mt=8)* Tiny Atlas** iOS:** Google Play: https://play.google.com/store/apps/details?id=com.lonelyplanet.kids.tinyatlas** Amazon Kindle:

Work with a small team to create 3d multiplayer sandbox games for PC and mobile devices.Creativerse http://store.steampowered.com/app/280790/1) Used Unity 3d with c# for game client.2) build UI system using Unity3d + NGUI3) Systems worked on: AI behavior, mob pathing, Liquid Simulation, Mesh optimization, combat, on-demand terrain generation and streaming.4) Deployed targets included Ouya, iOS, WinPhone 8, surface, NVidia Shield, PC, Mac.5) Build server-side systems using AWS-s3, ruby on rails,and heroku.6) Performed work-for-hire prototypes for the Oculus VR.

Built the Words With Friends iOS, Facebook HTML5 game working directly with Facebook as a lunch partner of their gaming platform.● Evangelized the “With Friends” game design and development culture throughout Zynga after the newtoy acquisition.● Lead developer on a small team that design, build, and release Gems With Friends for iOS .● Aided in development of Matching With Friends for iOS.● Lead the design and development on several prototype games, some of which are in the development pipeline and will be released in the near future.● Implemented new server­-side game logic in the With Friends back­end service using ruby on rails.● aided in setting up a cross platform development (ios, android) stack for mobile devices using cocos2dx, c++, objective-c, xcode, lua, and embedded javascript.

Worked on a small team that provided software that supported Yahoo's massively scaled monitoring platform for various front-facing cloud resources.Managed a team of 4 developers and 3 active projects.● Built cloud services that were used to host and monitor various Yahoo properties.● Architected and implemented scalable, fault-­tolerant systems using Linux, MySQL, Java, hibernate,ActiveMQ, and Spring● Participated in a Yahoo Messaging initiative to make ActiveMQ the default messaging solution for all Yahoodeployments.● Managed project timelines, interfaced with customers, managed releases, and implemented agile developmentmethodologies within my team.

A web startup that streamed live-TV content to millions of users in Europe. We surrounded the content with various web 2.0 features and social features. Mentored the team on scalable server­-side software design principles in J2EE technologies and python● Interfaced with remote vendors including Doubleclick, European payment providers, and various European TV content owners.● Acted as project manager for various projects and was held responsible for their success.● Projects worked on:○ Spearheaded the advertising initiative by designing and developing an in­-house ad server using the J2EE JBoss 4.2 app server , Java Messaging, MySQL 5.0, ajax, and debian linux.○ Integrated Zattoo's advertising initiative with Google's DoubleClick DART's advertising platform using apache 2.4, Python with mod_wsgi, tomcat, memcached, cherrypy, mako templates, ajax, json, and apache with mod_wsgi. I also received DART training and administered Zattoo's DART DFP network.○ Designed and developed the electronic program guide service that aggregated and transformed program guide data from multiple sources. It then provided a scalable web services interface for IPTV players to consume the information in multiple formats. The system was build using JBoss 4.2 J2EE application server and made use of python, JBoss Enterprise Service bus, tomcat, and Java Messaging.○ Helped build a payment system on top of python and cherrypy that allowed people to subscribe to premium channels using several payment options and included auto­-recurring subscriptions and email receipts.○ A feedback system using python for the front end and Apache Solr/Lucene as a storage engine for text indexing and searching.○ A statistics analyzing system using the hadoop map reduce framework○ A scalable channel management server using java messaging and the STOMP protocol.○ A web TV player offering using python, cherrypy, memcached, mako templates, jquery and adobe flash with a CDN video back end.

Lead developer creating drop-in solutions for the media industry.

Worked as a consultant that implemented e-commerce solutions for local governments around the country

Developed a CAD and simulation tool that Electro-magnetic engineers could use to design high-band radio antennas.

Helped this small startup service the corporate law industry by building a web-based e-discovery system. Java, perl, javascript,lucene, and Solaris were the main technologies used.