Oscar ValverdeMobile Developer
Senior Mobile Engineer and good team player. I love to do mentoring and explain good practices to other team members. With 10+ years working on Android apps and 3+ years working on Kotlin.
Certifications
Android
Android
11/26/2019
B2 Upper Intermediate
B2 Upper Intermediate, B1 Intermediate
10/07/2021
Tech stack
Android (24)
B2 Upper Intermediate
B1 Intermediate
Java (27)
Kotlin (19)
Internet of Things (IoT) (17)
Java EE (14)
Mobile (13)
Raspberry Pi (11)
SOAP (4)
Apache Struts 2 (4)
SOA (4)
SOA Architecture (4)
GitHub (3)
Continuous Delivery (CD) (3)
Continuous Integration (CI) (3)
Python (3)
iOS (3)
Git (3)
Subversion (SVN) (3)
REST APIs (3)
RFID (3)
Core Bluetooth (2)
Apps (2)
PHP
Bioinformatics
Web Services
MySQL
Experience
Self EmployedGnomon Soft
08/2013 - Currently

This is my own company I have done some little projects During this time I participated in the following projects: Project: Museo del Niño (Kids Museum of Costa Rica) • These were a couple of apps for the different stations on the Museo de los Niños, they were developed using IoT and Android (Android Things, IoT) • Technologies: Android Things Project: MoneyGram Integration • The agents of MG in CR could use one program to do the sends, recives and cancelations of money • Technologies: Java (As backend and desktop app)

Android
Java
Java EE
Mobile
Kotlin
Raspberry Pi
Internet of Things (IoT)
Android Tech LeadMismo
09/2021 - Currently

This is a IoT project about a Kiosk, and my main responsibilities are: - Defining the architecture, best practices and doing hands-on implementation. - Updating the code to use best practices on the market. - Creating the platform for CI/CD. - Proposing new screens and interactions.

Internet of Things (IoT)
Android
Java
Kotlin
Continuous Integration (CI)
Continuous Delivery (CD)
GitHub
Android EngineerAvantica
07/2019 - 10/2021

The project was a very customizable POS (Appetize, recently acquired by SpotOn) for stadiums, zoos, and lots of other vendors in the US. It has 2 versions Classic and AX. I worked on both. My main work was building new integrations (with third parties) and software maintenance as a Senior Android Developer.

Android
Java
REST APIs
Kotlin
RFID
Senior Android DeveloperStateside Co.
12/2016 - 07/2019

I worked for the Sephora Project (Sephora App for the US market), and the Mobile Night app. I was the first Android developer for the client, so I was in charge of supporting new developers in the project, while I was helping to grow up the project.

Android
Git
Java
Kotlin
Android Team LeadSoftonITG
11/2014 - 10/2016

The project was Nautilus, one of the main brands for exercising in the US, and have integrations to using BLE.

Android
Java
Mobile
Core Bluetooth
Apps
Computer EngineerRidgeRun
12/2010 - 07/2013

This is a company based on embedded systems. Work for the Voco Project This Using the power of your voice, easily and effectively operate the VOCO Voice Controller to access music and media on your Android device.. Uses multiple integrations, wireless control, devices control.

Android
iOS
Java
Subversion (SVN)
Python
Internet of Things (IoT)
Software EngineerTrango Consultores
01/2006 - 01/2009

This is a company based on develops programs based on Oracle Products.

Java
Apache Struts 2
SOA
Java EE
SOA Architecture
SOAP
Education
MBAUniversidad de Palermo
05/2021 - Currently
Data Science ExpertPromidat
03/2020 - 06/2021
Scrum MasterScrum Alliance
06/2017 - 06/2017
Master in BioinformaticsUniversidad de Costa Rica
03/2012 - Currently
Bsc Computer SciencesTecnológico de Costa Rica
01/2002 - 01/2006