Developing web and desktop systems using the .NET Framework with C#, ASP.NET MVC; Creating and managing SQL databases with Entity Framework; Carrying out unit and integration tests; Applying design patterns, SOLID principles and good coding practices.

- Developed web and desktop systems using the .NET Framework with C# and ASP.NET MVC, following the principles of object orientation and design patterns;- Created intuitive and functional desktop and web software interfaces, using graphic design tools and good usability practices;- I worked with different relational databases, such as Firebird, SQL Server, PostgreSQL and Oracle, performed queries, insertions, updates and deletions of data;I carried out unit and integration tests to verify the functioning and quality of the systems;- Performed software maintenance, fixing bugs, implementing improvements and testing features, following SOLID principles and company standards;- Delivered high quality systems, meeting the expectations and needs of customers and end users.- Increased the efficiency and productivity of systems, reducing execution time and resource consumption.- Improved the security and reliability of systems, preventing and correcting errors, failures and vulnerabilities.

- Developed strategic suppliers, seeking the best price, quality and deadline conditions for purchasing inputs and equipment for foundry and mining;- Controlled production, monitoring performance indicators and proposing continuous improvement actions in processes;- I developed KPIs to monitor the supply and production sector, generating reports and dashboards for decision making.Results:- Reduction of purchasing lead time, speeding up order delivery and avoiding production delays;- Reduction of the purchasing backlog by eliminating pending issues and bottlenecks in the workflow;- Improved communication with purchasers, increasing internal satisfaction and confidence in the supply sector;- Made purchases according to need, reducing inventory costs.

Control of network traffic, preparation of structured network projects, maintenance and configuration of computers and Windows servers.

Document control, preparation of student monitoring forms, cash flow control, payment of employees.