Senior Back-end Developer
2020 - 2021Disapatch Health- Worked on developing and connecting a new application for the new patient onboarding process with the existing system.
- Worked on improving patient data entry by major healthcare systems through the AWS platform.
- Worked on integration of the Redox healthcare system with the existing Dispatch Health platform.
- Worked on upgrading the existing patient onboarding process system through the existing platform.
Technologies: Ruby on Rails (RoR)Senior Ruby Developer
2019 - 2019Slicelife- Integrated SSO/OpenID Connect with Onelogin Service.
- Integrated SMS and voice calls with Twilio cloud communications platform.
- Wrote unit tests for existing code.
- Refactored existing Ruby code.
- Made some UI changes.
Technologies: REST, Ruby on Rails (RoR), RubyProduct Owner/Software Developer
2016 - 2017WiseBubble- Worked on a custom SaaS/B2B platform based on Ruby, Rails, and Android technologies.
- Helped integrate GraphqQL API.
- Work on a C++ symbol recognition library for Android based on OpenCV framework.
- Helped develop a reactive SPA using StimulusJS/Stimulus Reflex libraries with WebSocket page rendering.
- Worked on an Android application with Ruby (Rails) server-side API integration.
Technologies: C++, Android, Ruby on Rails (RoR), RubySenior Web Developer
2015 - 2016ITU- Built a RESTful API.
- Created a single-page application in AngularJS.
- Handled both back-end and front-end development.
- Integrated external services.
Technologies: REST, AngularJS, Ruby on Rails (RoR), RubySenior Software Developer
2014 - 2015Mastered- Refactored Mastered platform's front end. Developed a new front-end user experience based on the Foundation CSS framework.
- Refactored Mastered platform's back end by refactoring the data model.
- Developed a new user experience. Implemented a new design with responsive features.
- Improved the deployment procedure.
- Improved existing tests. Developed new features using TDD.
Technologies: Test-driven Development (TDD), AngularJS, CSS3, HTML5, Ruby on Rails (RoR)Senior Software Developer
2012 - 2014InterVenture GmbH – DRS- Refactored parts of the old virtual data rooms platform.
- Contributed to the back-end development and architecture of the new platform.
- Developed a SOA system for high-speed data exchange using technologies like Ruby, Grape, PostgreSQL, Redis, Elasticsearch, and RabbitMQ.
- Developed a CAS (LDAP) server.
- Developed various libraries for authorization, multi-factor authentication, Excel file conversion, etc.
- Developed a public API and single-page application using AngularJS, among other technologies.
- Developed other applications in a DRS ecosystem like Teaser, Shop, and Admin.
- Reviewed code.
- Interviewed and tested new candidates.
- Re-engineered business processes.
Technologies: Test-driven Development (TDD), AngularJS, AMQP, RabbitMQ, PostgreSQL, Redis, Elasticsearch, GrapesJS, Ruby on Rails (RoR), RubySenior Ruby on Rails Developer
2010 - 2012HRS- Designed and architected a social network platform.
- Developed the platform using Ruby on Rails, Flash AS3 (P2P communication), PostgreSQL, and Elasticsearch.
- Developed the public API.
- Coordinated with a small team of five people, including myself.
- Handled front-end development using JavaScript, jQuery, and Backbone.
Technologies: jQuery, Backbone.js, HTML5, Elasticsearch, Node.js, Redis, PostgreSQL, Ruby on Rails (RoR)Ruby on Rails, Flash, and Front-end Developer
2010 - 2010Razor d.o.o- Improved and refactored the system back-end functionality for Meteor (air.ie).
- Improved and refactored the CMS system (Rubylith) for Meteor (air.ie).
- Integrated with the D3 checkout system based on D3 API using Meteor (air.ie).
- Developed modules and widgets for cross system sharing and reusing.
- Created jQuery plugins.
- Worked on a solution for the data model for the new system using the Meteor Bundle System/Refer a Friend system.
- Maintained the Treasury Holdings website.
- Created an iPhone application in Objective-C: Goshido.
Technologies: Objective-C, Facebook API, Meteor, JavaScript, HTML, AS3, Ruby on Rails (RoR)Web Developer
2009 - 2010Limores (Ground Link)- Developed the front end for the Java/Struts application.
- Developed various plugins/widgets for geolocation interaction using Google Maps, custom UI/UX, sliders, etc.
- Developed and implemented email/front-end templates.
- Developed and integrated UI/UX work with the Java back-end system.
- Supported the back-end team for UI/UX tasks and integration.
Technologies: jQuery, JavaScript, CSS, HTMLFlash Game Developer, Animator
2008 - 2009IQS+ Studio- Developed interactive Flash games for the US market.
- Developed interactive Flash banners for “Click” campaigns.
- Developed Flash projects based on timeline/coded animations with various effects.
- Animated illustration/cartoon characters based on story boards.
- Provided back-end support for the Games/AS3 project using PHP/MySQL.
Technologies: MySQL, PHP, AS3, AS2Founder, Partner, Web Developer
2006 - 2008Dandelion d.o.o- Developed the corporate website for Pupin Telecom Dipotel and integrated it with Alcatel (Lucent) public/private API using PHP/MySQL.
- Developed a fashion website gallery system.
- Developed various interactive applications, presentations for photo sessions, and fashion shows.
- Created print, design, and other marketing activities.
Technologies: AS3, MySQL, PHP