Vitor H.
Full-stack Product Engineer

Skills

Node.js

Laravel

Bootstrap

React Native

Cascading Style Sheets

Nestjs

Typescript

Github

Javascript

Php

Python

Mysql

Amazon Aws

Angular

React

Vitor is available for hire

Hire Vitor H.

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Bio

Senior Software Engineer with five years of expertise in web and mobile development, with a focus on JavaScript frameworks including React, Angular, Vue, and Nest.js, as well as PHP (Laravel) and MySQL. Recognized for constructing scalable web and mobile infrastructure and for improving the efficiency and security of websites and applications. Demonstrates proficiency in HTML, CSS, JavaScript, JQuery, Bootstrap, PHP (Laravel), MySQL, React, React Native, Angular, Vue, NodeJS, Express, NestJS, TypeScript, and MongoDB. Knowledgeable in microservices architecture and containerization tools such as Docker, and experienced in agile methodologies like Scrum and Kanban. Skilled in using Git, GitHub, and Bitbucket for CI/CD pipelines. Additionally versed in Python and R. Proficient in English.

Software Engineer
2/1/2022 - Present

Developed and maintained an application to schedule appointments for technicians, significantly reducing appointment scheduling time from 15 minutes to less than 20 seconds. Created and maintained Android and iPhone applications for technicians and clients, boosting client ratings on the Play Store from 3.1 to 4.9 and expanding the customer base by over 20%. Refactored microservices from Node.js to Nest.js, reducing API response time by more than 15%. Updated the sales website from PHP Laravel 5 and React to PHP Laravel 7 and Vue 3, improving the conversion rate by 7.3%.

Technical expertise includes Kanban, REST API, SASS, Docker, CI/CD, microservices, relational databases, AWS, and AWS certifications. Proficient in JQuery, Linux, SQL, TypeORM, Sequelize, Bootstrap, Laravel, Bitbucket, TypeScript, React Native, AngularJS, NestJS, PHP, Git, React.js, HTML5, HTML, CSS, JavaScript, Jest, React, Redux, front-end and back-end development, GitHub, Node.js, Express.js, MongoDB, and MySQL.
Software Engineer
1/1/2020 - 2/1/2022

Developed and implemented significant refactorings and feature additions to internal sites used by employees, enhancing user satisfaction by over 50%. Optimized SQL queries, resulting in a reduction of response times by more than 70% and lowering CPU usage by over 20%. Migrated an internal registration site from PHP Laravel and JQuery to a React-based interface, achieving a 63% reduction in page load times. Acquired and refined technical skills in various frameworks and tools, including Kanban, REST API, SASS, Docker, Continuous Integration and Delivery (CI/CD), Microservices, and relational databases. Advanced proficiency in AWS services and certifications, Linux, SQL, TypeORM, Sequelize, Bootstrap, Laravel, Bitbucket, TypeScript, React Native, AngularJS, NestJS, PHP, Git, React.js, HTML5, CSS, JavaScript, Jest, Redux, GitHub, Node.js, Express.js, MongoDB, and MySQL.
Data Scientist Intern
1/1/2019 - 12/1/2019

Joined the macroeconomics team at the bank, contributing significantly to refactoring the econometric model used for predicting future soybean prices, which resulted in a 4.2% reduction in the Mean Absolute Error (MAE). Developed expertise in relational databases, econometrics, calculus, and statistics. Proficient in R for statistical computing and analysis, SQL for database management, and Python for advanced data manipulation and machine learning applications. Utilized Microsoft Excel and VBA for financial modeling and data analysis. Strong command of English, facilitating clear communication of complex financial concepts, and applied extensive finance knowledge within the macroeconomics domain.
Scientific Initiation - Econometrics
1/1/2017 - 12/1/2018

Developed an econometric model to predict the future price of soybeans, demonstrating proficiency with relational databases and advanced database management techniques. Utilized extensive knowledge in econometrics, calculus, and statistics to ensure robust model development. Employed R, SQL, and Python for effective data analysis and programming needs. Leveraged expertise in Microsoft Excel and VBA (Visual Basic for Applications) to automate and streamline financial calculations. Enhanced communication skills in English while collaborating on finance-related projects.
Internship - Web Developer
12/1/2014 - 12/1/2015

Led the development of a comprehensive website for an educational institution, catering to both students and teachers. Achieved proficiency in utilizing REST API, SASS, and managed CI/CD pipelines to ensure streamlined software delivery. Developed and maintained microservices architecture and relational databases, proficiently working with SQL and various database management systems. Utilized JQuery, Bootstrap, Laravel, and PHP to create dynamic and responsive web applications. Demonstrated strong command of HTML5, CSS, and JavaScript while implementing front-end components and conducting unit tests with Jest. Efficiently managed version control using Git and GitHub, operating in a Linux-based development environment with a strong grasp of English for clear technical documentation and communication.