Federico Hernández

⇢ User interface wireframes and mockups

⇢ User interface production implementation using React and Typescript

⇢ Designing and consuming GraphQL APIs

⇢ Providing input to user experience designers

⇢ Providing input to technical writers

⇢ Maintenance and development of new features on sports video streaming app DAZN. Increased test coverage from 0 to more than 50%.

⇢ API design, development and testing with Nodejs and OracleDB for health information technology and clinical research company for initial estimate of more than 30k users.

⇢ Implemented templates from 30 different designs with Reactjs for HR startup allowing more than 20k users to customize their CVs.

⇢ Mobile app for IOS and Android apps development with React Native for more than 80k users including feature toggles to allow AB testing from the marketing side.

⇢ Worked on the new website using Reactjs and NodeJs for Latin America's branch (more than 150k users).

⇢ Mobile web development of retail store application. Migrated old frontend code from monolithic approach to a full-stack Javascript application decreasing loading time in more than 40% and increasing user base in more than 30% in comparison with old version.

⇢ Migrated all previous projects from Php to Full Stack Javascript with Reactjs and Nodejs improving user experience by reducing response times in almost 50% and adding real-time features.

⇢ Created user interfaces for more than 10 white label streaming products.

⇢ Worked on Mobile application using Ionic Framework to make dentist appointment reservations allowing the client to grow successfully to more than 20% on the patients list.

⇢ Created Interactive activity on how bills are made using ReactJs for Central Bank of Chile

⇢ Designed and implemented API and Administration panel for Marketing Services Client improving data handling and increasing revenue in 8% in a period of 5 months

⇢ Enhanced platform with chat widget, search filters and package suggestions to improve customer experience increasing sales in more than 30%.

⇢ Migrated old views to ReactJs improving performance in load times on half the time. ⇢ Built email templates from designs for email marketing campaigns.

⇢ Created authentication, data and video upload services with Nodejs and MongoDB making a separation of concerns between the UI and the backend.

⇢ Implemented task queue logic on the server using Redis to upload video files using Vimeo's API allowing the upload and processing of videos asynchronously in the background.

⇢ Created user interface with Html, CSS and Angularjs based on designs.

⇢ Normalized database models of Retail sales application eliminating data redundancy.

⇢ Created stored procedures to improve data access layer augmenting security and decreasing network traffic.

⇢ Implemented custom graph reports improving decision-making processes through data visualization.

⇢ Refactored and maintained sales-point mobile app boosting performance, reducing file size and improving user experience with more fluid UI.

⇢ Created custom online reservation system for hostel with Html, CSS, Javascript, Php and MySQL enabling them to reach a bigger audience and growing their customer base in more than 25%.

⇢ Developed online ordering system for healthy food restaurant improving their customer service and increasing their sales in more than 14% after implementation.

⇢ Created a hotel room management system using C# and SQL server for the API and a Desktop Java based and a web UIs for the final degree project.