The largest retail chain in the state of Espírito Santo, Brazil.• Develop robust Rest APIs using Node.JS and GO, ensuring robust and efficient integrations.• Mentor other developers, providing guidance and support to enhance team skills and performance.• Build stored procedures, extract data, and design databases to ensure optimal data management and retrieval.• Design the backend of applications, creating scalable and maintainable solutions.• Built robust BI applications using Qlik Sense, enabling data-driven decision-making across the organization.Key Projects:ERP Migration: Participated in the company's ERP migration, assisting with data extraction, API migration, and database object migration.Uber Integration: Developed a backend application using Go to send product data, stock, prices, and promotions to the Uber app.Supplier Portal: Developed and implemented two Go APIs enabling suppliers to input products into our ERP system, with rigorous multi-departmental approval processes ensuring compliance and accuracy. These APIs seamlessly integrate supplier data, enhancing collaboration and product management efficiency.eCommerce Integration: Provided product information, lines, stock, prices, and promotions for integration with the eCommerce platform via direct database connections and APIs.Product Image Integration: Developed a Go API to fetch product data from a partner, download available images, and upload them to Amazon S3.POS to Credit Company Integration: Created a Go API to facilitate communication between store POS systems and the credit operator, which analyzes customer profiles for store credit card availability.Carone HUB App: Actively involved in ongoing development and feature enhancements to meet evolving business needs.Node.js | Go | PL/SQL | API Development | Database Design | Mentoring | Systems Integration | Amazon S3

• Developed and customized ERP and HCM solutions to meet client-specific requirements.• Collaborated with clients to provide IT consulting services, identifying and implementing technology solutions to optimize operations.• Deployed enterprise software systems, ensuring seamless integration and functionality.• Provided support and troubleshooting for system functionalities, enhancing system performance and user satisfaction.• Administered and developed databases, ensuring data integrity and optimizing performance.HCM | ERP | IT services | IT infrastructure | SQL Server

• Designed and implemented complex data extraction queries for Business Intelligence (BI) using PL/SQL, improving data accessibility and insights.• Built robust BI applications using Qlik Sense, enabling data-driven decision-making across the organization.• Integrated multiple systems using Node.JS for API Development , ensuring seamless data flow and operational efficiency.• Provided comprehensive support and troubleshooting for system functionalities, enhancing user experience and system reliability.Key Projects:Carone HUB Application: Continued development of the backend using Node.js, consolidating sales, products, stock, and pricing information. The application continues to serve shareholders, store managers, employees, and administrative managers, with ongoing improvements to enhance operational transparency and efficiency.Stock Outage (BI): Implemented data extraction and dashboards to calculate product shortages and low stock levels based on average sales and current inventory. This report helps managers identify key products that are not being well-stocked.Other BI important projects that I worked on:General Product Information, High Stock Coverage, Product Expiry, Non-Moving Products, Absenteeism, Turnover and so on.ERP | API Rest | Node.JS | PL/SQL | Systems Integrations | Oracle Database

• Developed custom functionalities for the Senior HCM System, enhancing the platform's capabilities.• Designed and implemented complex data extraction queries for Business Intelligence (BI) using PL/SQL, improving data accessibility and insights.• Built robust BI applications using Qlik Sense, enabling data-driven decision-making across the organization.• Integrated multiple systems using Node.JS for API Development , ensuring seamless data flow and operational efficiency.• Provided comprehensive support and troubleshooting for system functionalities, enhancing user experience and system reliability.Key Projects:Carone HUB Application: Co-developed the backend using Node.js, consolidating sales, products, stock, and pricing information. The application serves shareholders, store managers, employees, and administrative managers, enhancing operational transparency and efficiency.Automated Order System: Designed and developed PL/SQL packages and triggers to automate the ordering process between stores and the distribution center. The system generates automatic orders based on minimum stock levels and sales data, ensuring timely restocking and efficient inventory management.Payroll (BI): Developed dashboards and data extraction processes for this report used by HR and the CFO to make decisions regarding employees and company departments.HCM | ERP | API Rest | Node.JS | PL/SQL | Systems Integrations | Oracle Database

• Provided user support for systems navigation, troubleshooting, and addressing users’ queries or issues.• Maintained documentation of the development process.• Developed functionalities to improve systems based on the needs of users.HCM | PL/SQL | Oracle Database | Technical Support