• Maintenance and development of new features in the internal system for CAE operations of Itaú Bank and International Bank using C#, SQL, React, Javascript, and Google Cloud.• Refactoring, redesign, and implementation of a module for installment payments in the CAE system of Itaú Bank and International Bank, increasing the productivity of employees in this area by 40%. • Task automation using Python scripts.

• Development and implementation of a robust transportation app (Uber-like) used by companies throughout Chile, coding new frontend and backend features with a Rest API consumed by different system platforms (mobile, web) using C#, React Native, React, Azure, jQuery, and T-SQL.• Creation of a critical app function for the payment module, optimizing backend functions linked to GPS, which significantly increased billing accuracy.• Migration of frontend logic from jQuery to React, which improved the app's performance and deployment speed.

• Analysis, design, and development of a mobile app for product management in restaurant environments, working closely with a professional chef for requirements analysis, using React Native, Node with Express for the API server, and MongoDB for the database.• Version 1.0 significantly improved product management time in the kitchen by staff, reducing the time required for this task by up to 50%.• Implemented batch saving to the database, storing control changes for product quantities during runtime with React Native, and then updating them in the MongoDB database with a single API call.

• During my stay in the United States, I worked in delivery services with the goal of improving my spoken and written English skills by interacting with native speakers. I had daily interactions with customers, vendors, and the app's support team.• I drastically increased my proficiency in spoken English, and communication with native speakers in both work and non-work settings shaped my current level of English, which is now competent for professional development.Skills: English as a Second Language (ESL) · English

I occasionally do web development for individuals or small businesses.* Casahidalgo.cl