Java Developer with over three years of experience, specializing in backend development of large-scale critical systems serving over 50 million users. Demonstrates a strong commitment to technical excellence and international collaboration, with a proven record of delivering robust solutions in sectors such as Telecommunications. Current projects include the development of an Android application that notifies individuals with allergic rhinitis about regional air quality, employing technologies such as Java 17, Android Studio, AWS EC2, Github, and JUnit 5.

Academic pursuits involve ongoing studies for a Technology degree in Systems Analysis and Development at Universidade Presbiteriana Mackenzie, coupled with previous studies in Science and Technology at Universidade Federal do ABC (UFABC). Additionally, holds a certification as a Redis Certified Developer from Redis University. Proficient in both advanced English and native Portuguese.

Professional roles have included responsibilities as Java Developer, focused on development and maintenance of large-scale critical systems for the Telecommunication sector using technologies like Java, OSGi, Spring, and Redis. Previous experience includes positions such as System Technician and Java Programming Assistant, recognized for rapid adaptability, proficiency in learning new technologies, and effective problem-solving capabilities within agile work environments.

Java Servlet: Java Web Programming Fundamentals

Java Collections: Mastering Lists, Sets, and Maps

JAX-RS and Jersey: Master the Creation of REST Web Services

Design Patterns in Java I: Introduction to Good Programming Practices

REDIS II: STRUCTURES AND RESOURCES IN YOUR NOSQL DATABASE

MongoDB: An Alternative to Traditional Relational Databases

Java and MongoDB: Integrating a Java Webapp with a NoSQL Database

Apache Camel: The framework for systems integration

EFSET English Certificate 80/100 (C2 Proficient)

 at EF Standard English Test (EF SET)
11/2/2020

Programming for Everybody (Getting Started with Python)

 at Presbyterian University Mackenzie
2023 - 2025

 at Federal University of ABC - UFABC
2020 - 2025


5/1/2022 - Present

Developed several critical large-scale projects in the telecommunications sector, serving over 50 million users. Played a key role in optimizing an Online Charge System (OCS) for a leading telecommunications company, achieving one of the fastest mobile recharge times in Latin America. Contributed to the pioneering development of an application that transforms the Diameter protocol into HTTP2, facilitating 4G and 5G integration and enabling 5G navigation for millions of users. This application, based on rigorous test-driven development, significantly increased network efficiency and enhanced mobile communication capabilities, establishing new performance and reliability standards in the industry. 

Conducted code reviews and managed pull requests, release/feature branch merges using Git and GitLab to ensure code quality and control application versioning. Utilized Jira for task creation and tracking, following the SCRUM methodology with regular daily meetings. Developed REST APIs using Spring, OSGi, Apache Karaf, Java, MongoDB, and Redis, following test-driven development (TDD) and behavior-driven development (BDD) with JUnit 5, Mockito, and Selenium. Created SOAP APIs with Spring, SOAPUI, and Java, and developed batch processing software using Oracle DB, Spring, and Java. 

Automated CI/CD pipelines with Jenkins, Nexus, and Maven using Groovy scripts. Participated in international meetings conducted in English for modeling and architecture of REST APIs, and prepared detailed documentation (Low-Level Designs) to ensure clarity and standardization across all projects. Developed detailed low-level development estimates to guide other developers for precise planning and execution of projects and new features. Conducted load tests using JMeter and JProfiler to optimize performance and scalability, ensuring high efficiency under varying load conditions.


9/1/2021 - 5/1/2022

Developed various critical large-scale projects in the telecommunications sector, serving more than 50 million users globally. Optimized an Online Charge System (OCS) for a leading telecommunications entity, achieving one of the fastest mobile recharge times in Latin America. Prepared comprehensive documentation for APIs and applications in English, utilizing Low Level Design (LLD) principles to ensure clarity and standardization across all projects. Actively participated in daily planning and task monitoring meetings, leveraging Jira for effective management. Demonstrated proficiency in resolving defects in both production and QA environments.

Developed a wide range of REST APIs utilizing Java, OSGi, Apache Karaf, Spring, and Redis, ensuring robust and scalable solutions. Conducted thorough REST API testing employing JUnit 5, Mockito, and Cucumber to guarantee reliability and performance.


5/1/2021 - 9/1/2021

Developed several critical large-scale projects in the telecommunications sector, serving over 50 million users. Prepared detailed documentation for various APIs and applications in English, focusing on Low Level Design (LLDs). Actively participated in daily task planning and monitoring meetings, leveraging Jira for project management. Resolved defects in both production and QA environments to ensure seamless operations. Developed a variety of REST APIs utilizing Java, OSGi, Apache Karaf, Spring, and Redis, demonstrating technical proficiency in these frameworks and tools.


3/1/2021 - 5/1/2021

Gained extensive experience in mobile application development using Android Studio and Java 8. Specialized in backend development with a focus on Java 8, Hibernate, and MySQL. Contributed to problem-solving initiatives and provided support in frontend mobile development using the Ionic framework.


1/2/2021 - 3/1/2021

Developed proficiency in assisting and creating APIs using Java, Hibernate, JPA, and MySQL. Gained expertise in developing web pages with technologies such as JavaScript, Angular, and HTML. Skilled in documenting APIs to ensure comprehensive and user-friendly interfaces. Contributed to the development of Android applications using Java, enhancing functionality and user experience.

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