Marcelo Ferraz Email & Phone Number

State Of Paraná, Brazil

Petrolina, Pernambuco, Brazil

• Optimized legacy system performance with .NET and OracleDB, reducing the processing time of thousands of rows per request by 60%, from 5 minutes to 2 minutes.• Crafted a high-throughput asynchronous messaging system with .NET and Kafka, capable of processing hundreds of thousands of messages across teams, enhancing inter-departmental data flow.• Engineered automated resolution systems using Go and FastHttp, reducing production issue downtime and resolution times by 40% for breeders and scientists.• Architected a new microservice using NodeJS, Nest, TypeScript, AWS, and DynamoDB to streamline genetic data creation, reducing code duplication between APIs by 50%.• Implemented intelligent filtering feature using React and agGrid in the plant set creation interface, preventing user errors and eliminating time-consuming rollbacks.• Led the enhancement of team onboarding processes using Python, MkDocs, and GitHub Actions, resulting in dynamic, easily updatable documentation. This initiative reduced new hire productivity ramp-up time from 2 weeks to just 2 days, enabling team members to contribute effectively much sooner and significantly improving knowledge transfer efficiency.

United States

• Uncovered and resolved critical data validation issues in payment reporting system using Java, Spring Boot, and Lombok, preventing misallocations of tens of thousands of dollars leveraging base computer science knowledge.• Optimized existing address correction system with Go by leveraging Go's go routines for concurrent tasks and channels for communicating data for report generation through worker threads. The new process reduced time for updating more than one million customer records from 24+ hours to 2 hour, significantly improving operational efficiency.• Implemented custom timezone-based order rescheduling functionality for Australian client using Python, orchestrating API integrations to automate weekly delivery adjustments and eliminate 3+ hours of daily manual processing.• Created an automated driver analytics system that tracked personnel efficiency using Python, AWS Lambda, and SnowFlake DB, transforming manual reporting into a system that provided real-time insights to fleet managers and saved hours per week.• Developed automated task resolution platform with Angular and TypeScript, reducing typical resolution times from minutes to seconds.• Created efficient CLI toolset using Python and Go to automate repetitive operational tasks, enabling team members to execute routine processes 10x faster.

Brazil

https://bit.ly/drugshalflife• Designed the whole web app as mobile-first with Figma and powered by Angular with Typescript, and Bootstrap for improved responsiveness• Integrated with ChartJS for easy visualization of the data• Created the infrastructure on Azure Cloud• Defined a custom CI/CD job with GitHub Actions to automatically deploy changes, making new features and corrections to be shipped to users 10x faster in comparison to the manual processThe main goal of this app was to give any user, whether they're a graduated doctor or a grandma, an estimate on how long drugs remain on their system based on their half-lives. It was designed to help health professionals and patients reach a common ground together on the safest long-term drug/dosage combination by giving them the ability to compare each and every combination of drugs/dosage side by side.

Brazil

• Architected and implemented enterprise web application using .NET Core, integrating Identity Framework for authentication and Entity Framework Core for complex database relationships, following clean architecture principles and the Layered architecture.• Designed and implemented scalable data model with MySQL to handle complex many-to-many relationships between business entities, optimizing query performance and maintaining code reusability across application layers.• Developed responsive web dashboard using Angular and Bootstrap, creating intuitive interfaces for business metrics visualization and goal tracking functionality.

Petrolina, Pernambuco, Brasil

• Engineered responsive frontend components for pet-care business platform using Angular and Bootstrap, implementing cross-platform design solutions to ensure seamless user experience across mobile and web interfaces.• Contributed to backend development using Java, Spring Boot, and PostgreSQL, implementing core API endpoints and database models to support business operations and user data management.