Backend Developer

CWI Software is a technology outsourcing company, and Grupo Pão de Açúcar is a large-scale retail company in the food sector in Brazil.

• Led a team in developing a new version of the loyalty program workflow, from ideation to delivery. As a result, we were able to reach more customers in less time, increase customer engagement, boost sales, and raise the average transaction value.
• Microservices developed using Spring Boot.
• Deployed on AWS Cloud, utilizing Kubernetes with K8S and EKS clusters.
• REST APIs are written in Java, employing Webflux for reactive programming.
• Non-relational MongoDB database for efficient data management.
• Data streaming between services implemented using Kafka.
• Integration with other corporate services within the company.
• Led a team in building a data lake to feed a customer data platform. He analyzed data sources and planned the data ingestion into the data lake. As a result, they performed more efficient customer segmentation and activated customers in targeted marketing campaigns.
• Dataflow jobs for data processing and transformation.
• Serverless Cloud Functions APIs for triggering events.
• Data storage using BigQuery and Cloud Storage for efficient management.
• Data streaming with Kafka Connect for seamless integration between Kafka and Pub/Sub.
• Integration with other corporate databases and services within the company.

CWI Software is a technology outsourcing company, and Riachuelo is a large-scale retail company in the fashion sector in Brazil.

• Developed a system for generating fiscal and accounting reports and files for integration with the Brazilian public agency SEFAZ (State Finance Secretariat). As a result, the automated generation of integration files and reports improved the company's fiscal accuracy.
• Jobs for generating reports and files using Spring Batch.
• Data streaming using Kafka and Flink for real-time processing.
• Creating a system using Java EE and JSF with PrimeFaces for the user interface.
• Relational Oracle database for efficient data management.

UOL Diveo is an outsourcing company in Brazil.

• Developed updates for Notanet, a SaaS solution for issuing tax documents, such as electronic invoices, used by large-scale clients.

CWI Software is a technology outsourcing company, and Renner is a large-scale retail company in the fashion sector in Brazil.

• Developed updates for the corporate portal, an accounting closing system, to improve the company's accounting and fiscal accuracy.

Panazzolo Group was a logistics and transport company in Brazil.

• Developed updates for the company's ERP system, including the electronic invoice version, accounting reports and the driver payment system.