● I migrated 10 reports and developed the generation of 6 contract types from a Delphi legacysystem to CodeIgniter. This transition preserved the Oracle database and resulted in aperformance enhancement of approximately 200%.● Developed a responsive online system for government housing initiatives using CodeIgniter withjQuery and Bootstrap, streamlining citizen registration and updates for housing programs,eliminating queues at the Housing Department's service center.●… Show more ● I migrated 10 reports and developed the generation of 6 contract types from a Delphi legacysystem to CodeIgniter. This transition preserved the Oracle database and resulted in aperformance enhancement of approximately 200%.● Developed a responsive online system for government housing initiatives using CodeIgniter withjQuery and Bootstrap, streamlining citizen registration and updates for housing programs,eliminating queues at the Housing Department's service center.● Contributed to the development of Android and iOS versions of the Joinville Facil App, a servicerequest system connecting citizens with the municipality. The system, a TWA (Trusted WebActivity), was developed in React JS with native functionalities in Swift and Java, integrated withFirebase Cloud Messaging for push notifications. This app significantly improved citizencommunication, reducing physical and phone-based inquiries by around 70% for the servicesimplemented.● I was in charge of creating the Appointment Scheduling System for municipal services using amicroservices architecture. The API was built in Node.js with Sequelize ORM, utilizing a Postgresdatabase, while the Back Office was created in React JS, integrated with the Joinville Facil App. Iwas responsible for guiding 2 interns on this project, designing all features, mapping BPMNprocesses, estimating tasks with the team and serving as the senior developer. This systemstreamlined the scheduling of municipal services, eliminating physical queues.● Engaged in 5 integrations between the Joinville Facil API, developed in C# .NET Core, and othersystems within Joinville City Hall. I carried out an integration with third-party software developedin Python using Airflow, which included cron jobs for sending push notifications from thescheduling system, also developed in Python with Airflow, and another integration consuming aGraphQL API. These integrations decreased citizen service response times by approximately 120%. Show less

● I was in charge of technical recruitment and carrying out technical training for 8 new developers.● Assisted the work of more than 40 developers.● I worked in more than 26 sprints, monitoring, guiding the development team, and resolving anyproduct roadblocks

● In 2006, implemented a version control system, SVN, using the TortoiseSVN tool for thedevelopment team.● Contributed to the maintenance of the sales module, CRM, and ERP services in ASP and SQLServer, involving over 400 features and bug fixes.● Improved the E-commerce system with an ASP and SQL Server-based Back Office, involved increating features, BPMN process mapping and product roadmap. This initiative resulted in anapproximately 80% growth in deployed units… Show more ● In 2006, implemented a version control system, SVN, using the TortoiseSVN tool for thedevelopment team.● Contributed to the maintenance of the sales module, CRM, and ERP services in ASP and SQLServer, involving over 400 features and bug fixes.● Improved the E-commerce system with an ASP and SQL Server-based Back Office, involved increating features, BPMN process mapping and product roadmap. This initiative resulted in anapproximately 80% growth in deployed units compared to the prior year's 10% growth.● I was in charge of creating a point-of-sale system from scratch, responsible for designing allfeatures, mapping BPMN processes, estimating with the team, creating the product roadmap, andconducting market research to assess feature satisfaction. This system was integrated with theERP via WCF and developed in C# .NET with WPF. Following government scrutiny, the MicrovixPOS was approved for nationwide use and is still operational across Latin America and the UnitedStates. For instance, in 2011, there were over 300 retail networks using this system, includingmore than 350 ChilliBeans retail outlets. As of now, this retailer has over 1,000 outlets and anannual revenue of 1.2 billion. Show less

● Contributed to the development of institutional websites and implemented and maintained anE-Commerce system using PHP and MySQL.

● Engaged in the maintenance of a logistics system using PHP and MySQL. The CEO, who was alsomy logic professor at college, invited me to join the trainee program.