FullStack Developer

Hermanyo H.

"Talk is cheap. Show me the code." ― Linus Torvalds

Hermanyo H. - FullStack Developer

About Me

I'm a passionate FullStack Developer with over 8 years of experience building mobile and web applications. I specialize in React Native, React and Node.js.

With a degree in Computer Science from the Federal University of Sergipe (UFS), I bring a strong foundation in software engineering and a passion for creating scalable, user-friendly applications.

B.Sc. Computer Science - UFS
54+ Repositories on GitHub
8+ Years Professional Experience
Pull Shark x2
Arctic Code Vault Contributor

Professional Experience

Senior Digital Solutions Consultant

Capgemini Brasil S.A.
April 2022 - January 2026 (3 years 10 months)

Development of React Native mobile applications, performance improvements, refactoring and maintenance of features for Banco do Brasil. Daily participation in agile rooms (scrum) and git code versioning.

Mid-Level Digital Solutions Consultant

Capgemini Brasil S.A.
July 2021 - April 2022 (10 months)

Development of web and mobile applications using Angular and React Native as frameworks, applying performance improvements, refactoring and maintenance. Daily participation in agile rooms (scrum) and git versioning.

Full Stack Developer

Brainy Resolution
April 2020 - August 2021 (1 year 5 months)

Development of a mobile and web application for community management using React Native, Node and Firebase. Integration with Cloud Functions, Firestore, Storage, Authentication, Cloud Messaging, Dynamic Links, Hosting, Crashlytics and Analytics.

Systems Developer

Idealle Sistemas
June 2019 - April 2020 (11 months)

Development of inventory management systems and integration with delivery platforms (iFood, 99 Food) using C#, Java, Asp.net, JavaScript, HTML, CSS, MySQL and SQL. Also developed a React Native app for restaurant table control on GPOS 700 Gertec.

Technical Skills

Mobile Development

React Native Android iOS Expo

Frontend Development

JavaScript TypeScript React Angular HTML5 CSS3

Backend Development

Node.js Express Python Java C# ASP.NET

Databases & Cloud

Firebase Firestore MongoDB MySQL SQL Server

Tools & DevOps

Git GitHub Docker VS Code Linux Scrum

Languages

Portuguese (Native) English (Intermediate)

Education & Certifications

Bachelor's in Computer Science

Universidade Federal de Sergipe (UFS)
Brazil

Certifications

JavaScript Algorithms and Data Structures
Programming with JavaScriptIssued by Meta
Introduction to Mobile Development
React NativeIssued by Meta
English Certificate

Featured Projects

A selection of personal and open-source projects

Lyrics for YouTube Extension

Lyrics for YouTube

A browser extension to display video lyrics on YouTube. Published on Mozilla Add-ons and compatible with Firefox, Chrome, Opera, and Edge.

JavaScript Browser Extension API
GuiaUFS Mobile App

GuiaUFS

A mobile application to help students and visitors navigate the Federal University of Sergipe campus. Available on Google Play Store.

React Native Mobile App Maps
Chat API

Chat API

A real-time chat API built with Cloud Firestore, Express.js and Node.js. Features message synchronization and user management.

Node.js Express Firebase
React Native Dynamic TextInput

react-native-dynamic-textinput

An open-source React Native UI component library for creating dynamic, animated text inputs. Published on npm.

React Native npm Package Open Source
WoW Addon

ShowPvPExp Addon

A World of Warcraft addon that displays player PvP current and highest rating by modality without opening the inspect window.

Lua WoW Addon Gaming
More Projects

More on GitHub

Explore my complete collection of 54+ repositories including various projects, experiments, and contributions to open source.

54+ Repos Open Source Various
54+ Repositories
8+ Years Experience
3 Companies