Francesco Bertorotta

• ● Developed and maintained microservices-based architecture using NestJS, improving the scalability and modularity of the platform.

• ● Built and optimized multiple React frontend modules, enhancing user experience and reducing page load times by 25%.

• ● Implemented secure and efficient communication between microservices, improving system reliability and fault tolerance.

• ● Introduced automated end-to-end testing and integration testing pipelines, significantly increasing code quality and reducing regressions.

• ● Collaborated closely with cross-functional teams (backend, frontend, DevOps) to deliver new features and meet strict deadlines.

• ● Refactored legacy codebases into modern, maintainable modules, ensuring better code organization and long-term maintainability.

During this experience, I worked at Dedagroup on a project for the client Terna, primarily contributing to two projects: a large dashboard built with Angular and NgRx, and a task execution app developed in React, which I managed entirely on my own.

• ● Optimized the entire Angular application, leading to a 30% performance improvement, a 50% increase in user usability ratings based on feedback from 400+ users.

• ● Implemented more than 30+ new user interface features, enhancing usability and making applications 40% more user-friendly.

• ● Implemented Cypress end-to-end testing framework which identified 4 previously undetected bugs, including 2 critical security vulnerabilities, enhancing application stability and lowering risk exposure by 25% within the first month of deployment.

• ● Built 2 new widget sections in the React application, enabling 2,000+ users to monitor energy availability across the country, improving the quality of user checks by 40%.

• ● Refactored the application project structure, leading to a 30% improvement in file organization and a 25% reduction in time spent by developers navigating the codebase.

• ● Enhanced the technical documentation of the application, resulting in a 50% reduction in onboarding time for new developers.

• ● Spearheaded an energy task executor dashboard project, collaborating with the backend team to evaluate new implementations, resulting in a 30% reduction in downtime and improving system reliability for 400+ users.

I worked at Cluster Reply on projects for Eni Gas e Luce, primarily contributing to their website. Additionally, I developed a React application used by the Eni team to align improperly formatted files. I also handled some backend tasks upon request.

• ● Resolved UI interface issues in the Angular application for Eni gas e luce, which weren't properly loading invoice data, enabling the company to recover 200,000 euros in outstanding invoices within 2 weeks.

• ● Created a new application in React that streamlined the merging and reorganization of XML files for 200+ Eni gas e luce employees, optimizing daily tasks by 50%.

• ● Engineered 8 REST API services, enabling 150+ users to interact with and manage newly uploaded data to the server, resulting in a 30% reduction in data retrieval time.

• ● Introduced 10 new unit tests, increasing the application's test coverage by 25% and ensuring that 100% of critical features were functioning properly.

• ● Revamped the agile task process by introducing standardized guidelines and requirements across 5 teams, speeding up task completion time by 30%, reducing idle periods by 70%.