
Frontend Developer
With a decade of hands-on experience in HTML and CSS, Gustavo demonstrates a deep understanding of Frontend fundamentals. He is proficient in modern development practices and tools, including RxJS for reactive programming, Git for version control, and Scrum methodologies for agile project management.
In addition to his core expertise, Gustavo has contributed to projects using React.js, React Native, PostgreSQL, Java, and Nest.js, showcasing his versatility across fullstack environments.
Gustavo has added value to companies like GoFasti and Mercatus Technologies Inc., consistently applying his technical skills to drive project success and enhance product quality.

Development of frontend for mobile applications.
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Worked as a contractor for a grocery field company. His tasks and activities were Mobile Development with Ionic + Angular + JavaScript and React native.
Helped to migrate from Ionic to React native, so he had to develop everything for both frameworks until the React native app was ready to be deployed.
Worked as a full-time team member at a startup company. His tasks and activities were WEB development using Angular, React, Java, Ruby on rails, and Mobile development using Ionic + Angular + Typescript. For the database, they used PostgreSQL.
Developed a CRM for wineries in Italy so they could customize the experience for their clients. On this mobile application, users could schedule experiences at the wineries and check when events would happen there. There was a dynamic calendar to make the user experience better. The users could also buy products.
Helped develop an app to read data from an NFC tag. Building their own plugin natively using Kotlin and Swift, making it work with Ionic.


Worked as a full-time team member at a mobile development company. His tasks and activities were to develop mobile applications using Ionic + Angular + Typescript.
He had to do backend work using Java and NestJS. For the database, use mainly PostgreSQL.
Helped to build an app that should work as a chat like WhatsApp, real-time messaging. So, he used Ionic + Angular + Typescript, NestJS + Typescript, MongoDB, and socket.io.
Helped the team with a feature of it to use geolocation and estimate where the user was before going offline. He used a SQLite plugin to keep all the data on the device and check what was synced and a geolocation plugin to find the user. Both plugins are from CapacitorJS.
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