- Develop and maintain Android applications for streaming solutions using Kotlin for Paramount client.- Build robust, testable, maintainable, scalable, high-quality applications.- Used tools such as Jira, GitHub, Jenkins to keep track of issues, code maintenance and continuous integration and delivery.- Participate in scrum ceremonies.- Propose solutions to resolve problems and develop new features.- Keep improving code using the latest Android libraries and recommendations (Jetpack Compose, KSP, Dagger Hilt, Coroutines and Flows).- Build applications using the modern Android App architecture.- Write unit tests using Mockito, Turbine, JUnit.

Current position: Technical leader responsible for developing BC for mPOS, providing technicalsupport for mPOS Ingenico readers, guiding team to achieve the goal,interfacing with managers, clients, internal and external teams.Project overview: It was developed an Android library for Ingenico Moby/6500 devices. The acquirer payment applications in Brazil follow a standard called BC. The reader manufacturers implement the BC commands on their devices using the library develped in this project.Key words: Android, RUA SDK, EMV, Git, Jira, Kotlin, Kotlin Multiplatform, BCPrevious position: Java developer for Ericsson BSS full stack telecom billing system.

Develop a full stack application using PHP, Symfony, AWS services (S3, DynamoDB, EC2) and Firebase Realtime database. Port and deploy data from an old DB into a new one.

As part of a B2B team I was responsible for providing technical support of level 3 for Samsung Knox SDK and devices as Global Subject Matter Expert engineer. Responsible for analyzing customer issues, replicate the issues locally, check documentation, provide alternatives for the problem, escalate the actual defects to R&D team, provide the details about the issue to developer team and follow up the fix. Also, create POCs for Android applications that use Knox SDK APIs and guide partners on how to develop their solutions.Samsung Pay implementation in Brazil. My activities were understanding mobile payment system to help on test plan and training testers to execute field tests. I have also coordinated field testers during alpha tests and managed devices used for them. Besides, I elaborated and guided the development of a full stack tool to support field tests. The tool was composed of front end Android application and backend web service running in AWS EC2 instance. This feedback tool was developed by third party team.Accomplishments- High level technical staff has recognized my work as Global Subject Matter Expert.- Successfully launched Samsung Pay in Brazil.- Feedback tool elaborated for alpha tests decreased the time spent to generate daily reports.

Participate in the architecture definition, design, development and test of mobile TV middleware for Samsung devices. It was developed “OneSeg” broadcast standard in the first delivery, then, “FullSeg” broadcast standard in the second one. The code was developed in C++, JNI and Java languages. The development process was a mix of iterative waterfall and agile. This solution was ported to many devices with different chipsets and Android platform versions. Mobile Device Management (MDM) project: Architecture definition, design and development of Android application for Samsung Device Management solution. I worked as team leader for MDM framework for Android. Responsible for creating project activities, breaking down complex tasks, assign engineers to tasks, estimate development effort and keep track of team activities. This project was executed together with Samsung Telecommunications America team.Other projects: development of Android application in Unit3D, Kids Mode application, study security vulnerabilities in Android applications and OMADM stack for Sprint devices.Accomplishments- Mobile TV stack created by our team replaced a third party library saving money for each device sold- The stack developed had a better performance than the third party library and saved battery by 30%- Increased the quality of the image. The old library was losing frames because of intense CPU processing.- Patent Granted: System for data flow protection and use control of application and portable devices configured by location. US 20130174210 A1- Our outstanding contribution in OMADM and MDM projects lead to a long term partnership with STA.- Received an award for my excellent results when working for OMADM and MDM device management projects. Also, I was given congratulations for my co-work with Samsung Telecommunications America and Google on developing OMADM solution for Samsung Nexus S.

Software maintenance and development for mobile devices in two platforms: Android and P2K. I worked as Android developer for Messaging, SMS and Blur applications.Accomplishment- Received "Bravo!" certification for my outstanding achievements when working on Blur Apps 1.0 project.