• Designed and enforced software improvements using techniques to reduce accuracy errors and rounding of monetary values, increasing the reliability of the systems, and reducing the adjustment of these types of errors by 20%. • Developed unified override functionality in APIs using .NET Core 6.0 and Microsoft SQL Server, simplifying process flows and reducing operational costs by 30%. • Led code reviews and development standardization using Git and Azure DevOps, improving code quality, and reducing bug occurrence by 25%. • Built interactive web interfaces using React.js, improving user engagement and the team's operational efficiency by 45%.• Collaborated in the transition from monolithic legacy systems to a microservices architecture using Docker and Kubernetes, which improved the scalability and reliability of the system by increasing total policy issuance in the new system from 6% to 45%.

• Developed and maintained automated unit testing frameworks using DUnit in Delphi, reducing test creation time by 70% and enhancing the reliability of software releases. • Optimized existing software systems by applying the Builder design pattern, which reduced integration test development time by 50%. • Provided effective solutions to client issues by remote troubleshooting using VNC, enhancing customer satisfaction by resolving issues 20% faster.

• Collaborated with the development and maintenance of ERP software using Microsoft Visual FoxPro and .NET 4.0, improving system functionality, and reducing maintenance costs by 20%. • Enhanced data integrity and query performance using SQL optimization techniques on Microsoft SQL Server, leading to a 25% improvement in database performance. • Applied fiscal printers in the POS system, increasing sales potential by five times and increasing the company's monthly turnover by at least R$ 2000.00. • Led the development of a new system to control the release of fiscal printers, reducing release times and the risk of software piracy by 20%. • Supported end-user troubleshooting and system customizations, eliminating the need for data entry from two systems to just one, reducing operational time between quote and sale by 50%.

• Developed production and inventory management systems using C++ Builder and Firebird, improving process automation and data accuracy, reducing stock checking time from 2 days to less than 1. • Implemented new functionalities and improvements to the system that made it possible to control stock and avoid financial losses for clients by 20%. • Developed an electronic punch clock, reducing the operating time for employee absence control from one day to 10 minutes. • Conducted the creation of automated tests to ensure software reliability and performance, increasing the coverage of the system from 0% to 15%.