● Implemented Content Security Policy (CSP) across multiple websites, reducing potential security vulnerabilities by over 40% and ensuring compliance with industry standards. ● Redesigned and delivered new features for e-commerce pages, which contributed to a 15% increase in conversion rates and improved overall user experience. ● Refactored legacy code across several projects, cutting down third-party dependencies and lowering operational costs by 20% through optimized library usage. Tech Stack: ReactJs, .NET, jQuery, SQL Server, Lambdas, API Gateway, DocumentDB, Docker, HTML5, CSS3.

● I successfully implemented an authentication system for users using an external provider that reduced the development time of the application by up to 30%. Tech Stack: ReactJs, Redux, lambdas, API Gateway, auth0, HTML5, CSS3, serverless, nextjs, ionic.

● I managed to improve the performance of an application up to 300% by refactoring its backend. ● It was possible to develop different projects created from scratch, using the most recent technologies and best programming practices for both frontend and backend, in the established times, complying with the requirements established for at least 95% of the features. ● I designed and developed an API that would allow real-time communication between different users, solving a communication problem that existed in the application, improving response times by up to 200%. Tech Stack: ReactJs, Redux, Angular, dynamoDb, lambdas, API Gateway, websockets, documentDb, docker, HTML5, CSS3, serverless.

● Led a team of external consultants to speed up the development process and deliver the promised product on time, speeding up development by up to 50%. ● I managed to implement a log system in the application that allowed to analyze the user's behavior in the application. Tech Stack: HTML5, CSS3, vue.js, dynamoDb, lambdas, Aurora DB, SAP UI5, i18n, lodash, moment.js.

● I implemented a real-time reporting system for the management team to keep a more significant control and make more assertive decisions. ● I automated different processes and reports that were previously done manually, which increased the effectiveness of the reports by up to 40%. Tech Stack: Oracle, Oracle APEX, Talend Studio.