João M.

Back-end and Systems Engineer

Software Engineer - Back-End
2/1/2021 - 12/1/2023

Developed expertise in managing the entire lifecycle of collections, including billet, PIX, and credit card transactions. Proficiently executed integrations with external suppliers, ensuring seamless transaction processes.

Developer
11/2/2019 - 2/1/2021

Engineered data query and visualization systems utilizing Oracle and Elasticsearch, focusing on the implementation of systems specialized in querying priced data. Implemented Kubernetes (K8s) for the organization and management of various services, ensuring efficient deployment and scalable infrastructure management. Developed a robust understanding of database management and data visualization principles. Demonstrated expertise in container orchestration and service deployment.

Senior Developer
8/2/2015 - 11/2/2019

Contributed to the electronic medical record system for the Ministry of Health aimed at Basic Health Units. Developed expertise in creating Extract, Transform, Load (ETL) processes and data modeling, ensuring optimal performance within the system. Played a key role in performance optimization to enhance system efficiency. Provided essential support and guidance to fellow developers, fostering a collaborative development environment.

Senior Developer
4/2/2013 - 7/2/2015

Developed extensive expertise in creating and managing systems for the State Health Department of Santa Catarina, focusing on management and control functionalities. Engineered robust systems designed to streamline the administrative processes, integrating seamlessly with the production systems of associated hospital institutions. This role honed skills in system analysis, ensuring that all health department operations functioned efficiently and effectively through direct system integration with multiple hospital networks.

Java Developer
10/2/2008 - 3/2/2013

Developed proficiency in ERP system engineering with a specialization in the industrial sector. Conducted architecture and technology selection for Public Health Management systems. Gained expertise in various ERP platforms and demonstrated strong skills in configuring and customizing ERP solutions to meet industry-specific requirements. Applied knowledge of system integration techniques and ensured data consistency across various modules. Implemented best practices in software architecture, focusing on scalability, reliability, and performance. Utilized tools and frameworks that support efficient system design and deployment, contributing to the optimization of industrial operations and public health management processes.

Developer
8/2/2007 - 10/2/2008

Specialized in the development and maintenance of ERP systems with a focus on logistics and transportation management. Enhanced skills in Java, Spring Framework, and Hibernate for back-end development. Utilized AngularJS and React for dynamic, user-friendly front-end interfaces. Proficient in using MySQL and Oracle databases for data management. Implemented RESTful APIs to ensure efficient communication between different modules of the ERP system. Engaged in continuous integration and continuous deployment (CI/CD) processes using Jenkins and Docker. Applied expertise in version control with Git and performed unit testing with JUnit to ensure code quality and reliability. Collaborated with cross-functional teams using Agile methodologies to streamline project workflows and improve system performance. Developed strong problem-solving capabilities by troubleshooting and resolving system issues to enhance operational efficiency.

Computer Science at University of Southern Santa Catarina
2007 - 2013