Leonardo H.
Front-end UX Engineer

Skills

Node.js

Express.js

React Native

Cascading Style Sheets

Nestjs

Typescript

Github

Html

Javascript

Docker Cloud

React

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Bio

Software Developer with a focus on collaboration and teamwork, demonstrating proficiency in contributing to and seeking support within a team environment. Expertise in organizing and improving development processes with active participation in discussions regarding application requirements and enhancements. Advocates for maintaining positive team relationships as a core element of achieving successful project outcomes.

Experienced in agile development methodologies, including Scrum and Kanban, with a commitment to continual learning of new technologies and tools. Possesses advanced skills in Javascript and Typescript, with an application of SOLID principles and object-oriented programming (OOP). Holds basic knowledge of multiple programming languages including C, C++, C#, Java, and Python. Specializes in front-end development utilizing frameworks such as React, Remix, Next.js, React Router, Redux, Context API, React Hooks, Bootstrap, and MaterialUI, as well as proficiency in HTML and CSS.

Back-end development capabilities include Node.js integration with Docker, and database management using both SQL and MongoDB. Demonstrates proficiency with frameworks such as NestJS, Sequelize, Prisma, Mongoose, and Express. Skilled in creating RESTful APIs with authentication mechanisms, and conducting tests using Mocha, Chai, and Sinon frameworks.

Experienced in mobile development through React Native projects. Holds a foundational understanding of software architecture principles and deployment strategies.

Mid/Senior React Native Developer
8/1/2023 - Present

Developed proficiency in maintaining and creating new features for an internal sales application utilized by sales representatives across Brazil. Ensured the application efficiently handled all street sales operations, working seamlessly both online and offline. Gained expertise in developing for both iOS and Android platforms, ensuring robust performance and user experience.
Full Stack Developer
5/1/2022 - Present

Developed and maintained internal and external systems integrating with banks and financial institutions. Led the front-end development for two key projects, Do Not Disturb and Approver, playing a crucial role in processing significant financial proposals. Achieved technical leadership by leveraging expertise in React for front-end development and Node.js (Nest) for backend architecture. Successfully facilitated the processing of 22.8 million reais through the Approver system.
React Native Developer
4/1/2022 - 10/1/2022

Participated in the front-end development of an Android ordering app from the ground up over a 7-month period. The app enabled customers at an establishment to place orders directly using a tablet provided at the tables. Customers could select items, add extras, and make comments on their orders. Upon completion, orders were sent directly to the kitchen along with the table and customer's name. Developed and refined skills in Android Studio, Java, and XML for interface design. Utilized Firebase for backend support and data synchronization. Applied Material Design principles to enhance user experience and ensure a visually appealing interface. Implemented RESTful APIs to facilitate communication between the app and the kitchen system. Leveraged Git for version control to maintain code integrity and enable seamless collaboration.
Developer
1/1/2017 - 1/1/2020

Established a digital agency specializing in transforming local ventures into online businesses. Led client meetings to gather requirements and convert them into tailored solutions. Executed comprehensive integration of plugins, blogs, and product templates, ensuring seamless marketplace connections. Delivered end-to-end projects including domain acquisition, hosting setup, and full implementation based on client needs. Developed expertise in WordPress, handling a diverse range of commercial sectors such as travel agencies with online ticket systems, clothing stores with e-commerce and customization features, and construction companies.

Fullstack Web Development at Trybe
2021 - 2022
Analysis and Development of Systems at University of the Sinos River Valley
2016 - 2016
Marketing at ULBRA
2015 - 2015