Responsável pelo desenvolvimento e implementação da nova API para emissão da NFCom;Suporte e desenvolvimento dos novos emissores fiscais para NFe e NFCe;Implementação da rotina de contingência (SVC e EPEC) para todos os documentos fiscais;Realizei a nova integração da API do Mercado Livre com o atual ERP para gerenciamento dos anúncios e das vendas;

Responsible for the continuous support and maintenance of legacy systems critical to the functioning of a public body, ensuring the availability and stability of these systems, minimizing interruptions and downtime; I mapped existing systems, identifying areas for performance improvement, implementing solutions and optimizations to improve operational efficiency; Provided technical support to users from different areas, between technical and non-technical teams, ensuring satisfaction and effective problem resolution; Collaborated with the team of HR analysts by providing support in preparing complex queries in the Oracle database for reporting and compliance with eSocial; Developed personalized financial, administrative and management reports to assist in decision making; Implemented a log recording system in legacy systems, providing greater visibility and traceability of system activities, contributing to the early detection of problems and security auditing; Successfully executed the migration project from legacy systems to the GCP platform, taking advantage of the scalable resources and advantages of the cloud; Implemented, configured and maintained Debian servers, both application and database for development, approval and production environments; Implemented backup and restoration routines for legacy databases on GCP to synchronize data and investigate problems in systems related to processes and APIs.

Responsible for analyzing legacy code for migration to the new language, according to the schedule.I collaborated with the team analyzing errors in modules developed by other teams.I carried out functionality tests on already migrated screens that had not been approved by the client user.

Installed, configured and created the development and approval environments, both for the application and the database;I interviewed users from different areas to identify the necessary requirements for system integration to migrate data from different tools;Creation of a Citrix XenServer virtualization server to store the application, database and manage the network using CentOS servers;Implemented all necessary resources and tools for the development team with restricted access levels ensuring system integrity;Configured backup and restoration routines for development and approval environments on a dedicated server in the cloud.

I studied the ICMS tax legislation and the technical manuals of the state of São Paulo regarding Electronic Invoices to develop the necessary tax modules to integrate with retail systems;Provided adequate support to establishment users, answering technical and tax questions about the use of the new module;I collaborated with suggestions for improvements in clients' tax processes with accounting offices, contributing to a better relationship between the parties;I developed technical training on the use of the tax module, including the extraction of digital files for the offices and the generation of the SPED file;Activated SAT equipment with the client, supplier and accounting offices.