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Developer Computer Science

Medellín, Antioquia, Colombia
October 26, 2016

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Oscar David Gallón Rosero

Mobile: +57-310-***-**-**, Phone Number: +57 371 0425 Address: Cll 67 #50-50 Apto 102 Blq 1 Itagui-Colombia Education

Universidad de Antioquia ( expected graduation date: March 2017 ) Computer Science

GPA: 3.7 points of 5


Demand Frontier June 15 2015-Currently

Android Consultant


● Development of an Android application, for United States company.

● Develop new features

● Integrate The app with the company API

● Create Android flavors

● Generate a build machine to the android app (NodeJs)

● Translate designs and wireframes into high quality code

● Design, build, and maintain high performance, reusable, and reliable Java code

● Ensure the best possible performance, quality, and responsiveness of the application

● Identify and correct bottlenecks and fix bugs

● Help maintain code quality, organization, and automatization

● Implement Android UI to designer specs

● Work with cloud services, testing, and product teams to ensure product requirements are being met

PSL March 14-June 14 2016

Full Stack Developer


● Work for a US client that has a web application already developed. Technologies: Java, Javascript, SQL, CSS, HTML.

Pragma November 2015-March 14 2016

Mobile Developer


● Develop Mobile application for Android and iOS, with the s best practices of Android app design, supporting all form factors, layout and OS versions (from API 15)

● Create Cordova Plugin to integrate an hybrid application with the native hardware components

● Designing new features by applying the appropriate Design Patterns, and Object Oriented Programming concepts

ReyesMagosSoft March-June 2015

Android Developer,e goCity, Medellín, Colombia

● Design and Analyst product

● Create project requirements, investigate the actual product, migrate from hybrid to native application

● Improve the business logic, optimize user experience ReyesMagosSoft April-June 2015

Android Developer, GoPet, M edellín, Colombia


● Scrum master, be a link between product owner and scrum team, leadership developer team

● Design and Analyst product

● Improve the business logic, optimize user experience, improve and propose new features for product

Semillero Android UdeA September-December 2014

Leader and Teacher, M edellín, Colombia

● Introduce students of computer science and electronic engineer in android applications development

● Teach best practices in Android applications development Research Group Ingenieria & Software UdeA February-June 2014 Android Developer, M edellin-Colombia

● Design and analysis product with tools like BPMN and UML

● Create project requirements and features

● Supporting graphic designers, and guide them in designing the mobile application

● Application Tester and Code Cleanup


Coding Skills

● Java (Expert), JavaScript (Advanced), Html (Advanced), Angular (Novice), JQuery


Databases Skills

● MySQL (Expert), MongoBD (Advanced), SQLite (Advanced), ORACLE SQL (Novice) Operative System Skills

● Windows (Desktop), Unix/Linux (Desktop and Server) Language Skills

● Spanish (Native), English (Intermediate)

Leadership, Awards and Projects

Google Student Ambassador

May 2015-Currently

● Be a link between Google and my university

● Hosted events, trainings and workshop as they relate to Google’s brand, products and trends

First place in OpenData Eafit and MinTIC hackathon October 2014, Medellin


● Develop an App using open data from colombia.

● App avalible at h ttp://

First place in WF7 OnuHabitat hackathon

April 2014, Medellin

● Build a StartUp and Develop mobile application with Onu Habitat for increase resilience in medellin

First place in fourth edition “Vive Gobierno Móvil” hackathon December 2013, Valledupar


● I Won the opportunity to develop in two months an application for reparation for victims of armed conflict Ministry in colombia, Unariv.

● The app allows access to goods, available for lease, registered in the Fund for the Reparation of Victims. Avalible in Play Store h ttp:// First place in third edition “Vive Gobierno Móvil” hackathon. October 2013, Campus party Medellin.

Deporte a La mano

● I Won the opportunity to develop in two months an application for Sport Ministry in colombia, Coldeportes

● The App allows people to find sport events around the world and sport scenarios in colombia, avalible in Play Store h ttp://

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