Carlos Mangueira Júnior

Senior Software Engineer @Jedis

RubyJavaScriptReactSQLBrazilBackend DeveloperFrontend Developer✔️ ITWeb Developer

Senior Software Engineer with over 13 years of experience in Software and Web Development. My expertise is rooted in a tech stack that includes technologies like Ruby on Rails, PostgreSQL, JavaScript, and React.js. My technical proficiency extends to cloud solutions, with practical experience in Amazon Web Services AWS and deploying applications on Heroku. I’m also known for my creative problem-solving abilities, which enable me to navigate challenging software development scenarios. My professionalism shines through in my work ethic and effective communication skills that ensure clarity and collaboration with stakeholders and internal teams.

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Work Background

JedisSenior Software Engineer

Dec. 2023RemoteOM30 Project Public Health Management System (Tech Stack): Ruby on Rails, Javascript, Elasticsearch, Vue.js, PostgreSQL Core resposinbilitie: * Developing New Features * Estimating New Developments * Performing Technical Requirements Analysis * Participating in SCRUM Ceremonies * Creating Pull Requests * Reviewing Pull Requests * Demonstrating New Features in Review Meetings * Supporting Other Developers

BairesDevSenior Software Engineer

Sep. 2021RemoteStoryboard Project: * I was part of a dynamic team responsible for developing and maintaining a web application for private podcasts hosted on the Amazon Web Services (AWS) cloud platform; * This application was built using the Ruby on Rails framework, a Model-View-Controller (MVC) architecture that allowed for efficient development and scalability. * One of the key components of the application's architecture was the use of Redis as a caching and queuing system. Redis was employed to store scheduled jobs for various tasks within the application, enhancing its performance and responsiveness. This ensured critical processes, such as background jobs and data caching, were executed smoothly and efficiently. Additionally, the application's data was stored and managed in a PostgreSQL database, providing a robust and reliable data storage and retrieval foundation. * The web application was crafted using a combination of JavaScript, CSS, HTML, and Bootstrap. JavaScript enhanced interactivity and provided a seamless user experience, while CSS and Bootstrap ensured a visually appealing and responsive design. HTML was used for structuring the content and ensuring accessibility standards were met.

Self-employedWeb developer

Jan. 2020 - Dec. 2021RemoteWeb development using the following technologies: React, Next.js, and MongoDB Experience with MVC architecture;

FundsExplorerFound Partner and Web Developer

Jan. 2015 - Dec. 2021RemoteFounder Partner at Funds Explorer; Web development using the following technologies: Javascript, HTML5, CSS and Ruby on Rails; Experience with MVC architecture; Experience with Oriented Object programming; Creation of queries and reports to show stock market indicators; Strategist and Copywriter in digital marketing campaigns.

PetrobrasSenior System Analyst - Business Process

Apr. 2012 - Nov. 2020Rio de JaneiroProject Lead on internal projects collaborating with over a million BRL in savings after automating different stages of fiscal and taxes calculation processes; Experience with Scrum and Waterfall practices; Solutions design, requirement management, Functional Especification and Testing of custom development for SAP-MM and SAP-FI-FT modules; Worked closely with clients in fiscal area to establish problem specifications and system designs; Delivery of a series of improvements and new enhancements to existing SAP customization; Software architect helping to integrate multiple applications with different technologies (such as JAVA) with SAP ERP.

Phoebus TecnologiaSoftware Developer

Sep. 2011 - Mar. 2012João Pessoa, Paraíba, BrazilSoftware development for POS (Point of Sale) using C programming language. The programs developed were part of self-made Payment Solutions Architecture. The tasks and developments were organized in Sprints using agile methodology.

Quantum Chemical Computer Lab - UFPBSoftware Developer

Jan. 2007 - Dec. 2010João Pessoa, Paraíba, BrazilSoftware developer for quantum chemistry programs. I worked with the following programming languages and technologies: C, Fortran, NVidia CUDA, MOPAC. The programs developed in this period yielded the 1st place award at the XVI SBQT (Brazilian Symposium on Theoretical Chemistry) at the "DEVELOPMENT AND IMPLEMENTATION OF COMPUTATIONAL PROGRAMS" category.