Hyalen M. Caldeira

Full Stack freelance & DevOps Engineer
- EST. 2024 .v1 -

.Portfolio

Some of the most recent projects I've selected.

.About Me

A Software Engineer with 8+ years of experience, I have Software Development (Python, Java/Spring, Angular), DevOps/SRE and Cloud experience. I enjoy developing software from the ground up, learning new technologies, refactoring legacy code and ensuring the satisfaction of the companies I work for. With an open-mind and a drive to learn, my goal in life is to Develop Software that will advance humanity as well as inspire the next generation of programmers.

Currently I’m working as a Software Engineer at Accenture, contributing to migrate Monolithics applications to Microservice and Cloud architecture. Delivering apps with 100% on-time record and only minimal updates, following Agile methodologies and applying XP best practices. I've been acting as an Anchor, helping new Engineers to increase their knowledge/skills and ensuring that they follow best development practices.

Before that, I was working at cFive, where I was responsible for developing mission critical applications and data-driven solutions for some of the largest and most progressive supervision and government agencies.

Prior to cFive, I was working as a Software Engineer at Conversant, writing code in an Agile environment for an online Ad Network company’s Java API, adding server-side support for new SaaS UI features, addressing bug tickets in legacy ETL system with a focus on Test-Driven-Development and delivering quality projects that have been well-received.

I have global experience across different companies, designing and developing applications using, among others, Python, Java, Spring, Angular, AWS, SAP BTP, SAP CAP, Kubernetes, Terraform, CI/CD, following Agile Methodologies and Development/DevOps best practices.

I hold a degree in Software Engineer from UFMG - Universidade Federal de Minas Gerais.

.How to contact me

For business contacts, collaborations, quotes or just to say "hello" write to:

hyalen@gmail.com

You can also find me on:

RESTful API, Java & Spring

Hello and Welcome to an exciting appplication of Algorithms Controller where I'm developing an end-to-end full stack Algorithm Dashboard App, similar to LeetCode, where you may manage questions/algorithms companies have been submitted you in your interviews.

I’ve built the backend server using Spring Boot where I used Spring Security along with JWT authentication. The app configuration model was developed using Spring Cloud. For storage I'm using MySQL database.

The frontend application was built using React. I've also used React Bootstrap for designing the user interface.

The application was totally developed from scratch and you can get all the source code hosted on GitHub as reference for a complete full-stack application.

Project: hCode by Hyalen
Client: Hyalen Caldeira
Date: 2018
Role: Software Engineer

React, Redux & React Native

This project is actually comprised of 3 React projects. Each one was an opportunity to demonstrate what I’ve done in Udacity React Nanodegree program.

React Fundamental - while the modularity of the React ecosystem makes it really powerful for building applications, there is a great deal to learn. In this first project, I used the foundational parts of the React ecosystem that are necessary to build production-ready apps. Project: MyReads, A Book Tracking App

React & Redux - Redux excels at state management, and in this project, I used Redux and React working together to make the application's state bulletproof.
Project: Readble

React Native - In this project, I developed an application that run on both iOS and Android devices. I had the opportunity to explore everything from setting up a proper development environment, building and styling a cross-platform mobile application. I incorporated native APIs such as geolocation and local notifications, and even took a look in how to get the app ready for the Google Play Store and the App Store! Project: Mobile Flashcards

Projects: React Fundamentals React&Redux React Native

Client: Hyalen Caldeira
Date: 2017
Role: React Developer

Hyalen M. Caldeira

.Portfolio

.About Me

.Certificates

.How to contact me

hyalen@gmail.com