Development and maintenance of systems for the Regional Electoral Court of Pará (TRE-PA).

Development and maintenance of systems for clients in the public and private sectors, including transportation, education, engineering, and water supply.Tasks performed:• Developed a web scraping system for news collection using Java and Next.js, streamlining information retrieval and enabling dynamic presentation of data;• Designed and implemented a password creation and management system with Java, enhancing security and efficiency in access control;• Integrated and customized a process management system (Redmine), improving workflow tracking and task assignment across diverse projects;• Initiated requirement documentation and promoted the adoption of design patterns, increasing project clarity and maintainability;• Collaborated on projects for key sectors, delivering tailored technical solutions to meet diverse operational needs, with modern frameworks, and robust backend systems.

Development and maintenance of systems for the Secretariat of Planning and Administration of Pará (SEPLAD).Tasks performed:• Development of RESTful APIs for system integration: Designed architecture and structure for RESTful application development;• Application performance optimization: Refactored code and optimized SQL queries, resulting in significant application performance improvements;• Implementation of microservices: Designed and developed microservice architectures, promoting modularity and scalability in complex enterprise systems;• Test automation: Implemented automated testing strategies, including unit and integration tests, to ensure code quality and reduce time-to-market;• Application security: Strengthened the security of web applications by implementing secure coding practices and authentication and authorization solutions;• Legacy system migration: Provided technical leadership for projects migrating legacy systems to modern architectures, ensuring business continuity with minimal disruption;• Code refactoring for microservices: Decomposed a monolithic application into a microservices ecosystem, improving scalability and maintainability;• Process automation: Developed automated solutions for business processes, reducing operational time and minimizing human errors;• Training and mentoring development teams: Conducted technical training sessions for junior developers, fostering team growth and knowledge sharing.

Development and maintenance of systems for Banpará, Banco da Amazônia, and HYDRO.Tasks performed:• Developed and maintained scalable web systems for Banco da Amazônia (BASA) using Java and C#, resulting in improved operational efficiency;• Implemented RESTful web services, optimizing system integration and facilitating maintenance and scalability;• Provided advanced technical support for Banco do Estado do Pará (BANPARÁ), resolving critical issues and enhancing customer satisfaction;• Managed and optimized SQL Server and Oracle databases, improving query performance and ensuring high availability;• Developed a web system for HYDRO using C#, integrating innovative solutions that led to reduced operational costs.Skills: Scrum · SQL · Postman API · JSF (JavaServer Faces) · Apache Tomcat · C++ · REST API · Spring MVC · Java · Amazon Web Services · JSP (JavaServer Pages) · C# · SOLID Principles · CSS · REST (Representational State Transfer) · PL/SQL · JBoss Application Server · Core Java · JSON · Angular (Framework) · JavaScript · Java Development