Software Engineer

Challenges at Itaú: Modernized the ISS Accounting System, increasing processing capacity by 64% and reducing operational delays by 35%, by refactoring legacy services into AWS-based microservices and optimizing asynchronous data flows. Migrated the Fund Reconciliation and Matching Systems to AWS, cutting processing time by 45% and reducing infrastructure costs by 80%, while improving reliability for 20M+ users. Optimized the Asset Pricing Services for SaaS readiness, improving data management efficiency by 37% through schema redesign, caching strategies, and serverless architecture. Enhanced authentication and authorization flows across fund liability platforms, reducing login failures by 25% and improving user experience through OAuth2 and JWT-based access control. Developed, maintained, and modernized cloud-native systems using Java Spring Boot, Python, .NET, Angular 8, TypeScript, WebAPI, integrated with SQL Server and Kafka, supporting high-volume financial transactions. Implemented observability and automated testing, reducing debugging time by 30%, by integrating Splunk, Grafana, and Datadog dashboards and automating validation pipelines. Led initiatives in Generative AI (LLMs) to automate repetitive engineering tasks, improving team productivity by 55% through prompt engineering, RAG prototypes, and workflow automation. Designed and deployed AWS infrastructure, including CodeCommit, CodePipeline, ECS, Lambda, VPC, CloudWatch, and SQS, enhancing scalability and system uptime by 40%. Collaborated in Agile teams (Scrum, Kanban), working closely with cross-functional squads to deliver secure, cost-efficient, and scalable financial systems in production environments. Experienced in Agile methodologies (Scrum, Kanban) and cross-functional collaboration, delivering reliable, scalable, and cost-efficient cloud solutions.

Main Responsibilities: Developed REST APIs for the Cambio One Pay system, improving transaction reliability and scalability for 20M+ users, by building microservices in Java Spring Boot and optimizing backend flows with Redis. Reduced deployment time by 35% and improved delivery consistency through CI/CD pipelines using Jenkins and Git, ensuring seamless integration in production environments. Increased code quality and maintainability by implementing automated inspections with SonarQube and performing structured code reviews in collaboration with senior engineers. Enhanced system stability by proactively identifying and fixing production bugs, improving uptime and user experience across mobile channels. Built and maintained secure international transfer systems using SWIFT and blockchain, ensuring compliance and safe cross-border transactions with high availability and scalability. Designed profile-based transaction limit analysis, strengthening data integrity and compliance while supporting rapid user growth. Contributed to the Santander Mobile App, developing reusable backend components that improved response times and API consistency by over 25%. Collaborated in Scrum teams, providing technical insights during planning sessions and improving team delivery through agile best practices.

I worked on the implementation, support, and integration of robust systems for vehicle monitoring, logistics, and telecommunications. Utilized various hardware and software platforms, including: • Linux • PostgreSQL • Java 8+ • Shell Script • Docker • Documentation in Confluence • GitHub • Angular • Jira • AWS • Agile methodologies.