Hélder Afonso S. Email & Phone Number

Ribeirao Preto, Sp, Br

Currently, I work at Pravaler, a student financing company with ties to various educational institutions across Brazil. As a Backend Software Engineer on the School Management team, I help maintain and enhance systems for registering institutions, campuses, and courses. We use Node Streams to improve the processing of spreadsheets, and we work with microservices and the pub/sub messaging system from GCP. We leverage CI/CD with GCP, cronjobs, and TypeScript, and follow TDD for automated testing. Currently, we're rewriting the legacy code to a more efficient Node-based solution, improving maintainability and scalability.Technologies: Node.js, TypeScript, PostgreSQL, Microservices, GCP Pub/Sub, CI/CD, Cronjobs, TDD, Docker and Kubernetes.

At Ketra, I worked on several internal projects using technologies such as Node.js, React.js, AngularJS, and TypeScript. I collaborated on the development and implementation of specific features, ensuring the quality and usability of the systems. I highlight my work as a frontend developer on a large system using AngularJS. Additionally, I emphasize a project in which I acted as the sole programmer of the system. I developed effective solutions for the challenge of document integrity associated with machinery in a metallurgy and mining company. As a direct result of this project, there was a notable increase in operational leverage, significantly mitigating the risk of improper equipment use.Technologies: Node.js, TypeScript, React.js, AngularJS, TDD and PostgreSQL.

I undertook freelance work, creating additional solutions and providing technical support for various projects. One of the companies I worked with is ITechMed, which focuses on clinical and hospital solutions for monitoring equipment, patients, and medication administration. After my formal departure, I continued as a freelancer, providing support and improvements for their systems. I used technologies such as Node.js and React, contributing to the enhancement of functionality and effectiveness of the systems.Technologies: Node.js, React.js and PostgreSQL.

Ribeirão Preto E Região

At DavinTI, I contributed to the development and maintenance of a comprehensive system for a supermarket chain in Belo Horizonte, covering both web and mobile versions. My focus was on optimizing task distribution among employees, minimizing downtime, and ensuring a continuous workflow. Using an internal JavaScript framework, I actively participated in creating user interfaces and integrating with APIs. The system played a crucial role in simplifying supermarket management, improving team efficiency, and increasing the overall productivity of the company.Technologies: JavaScript, Oracle Database and API Integration.

I worked at ITechMed, which focuses on clinical and hospital solutions for monitoring equipment, patients, and medication administration. As part of the development team, I contributed to the maintenance and expansion of the system. I worked with Node.js on the backend and React.js on the frontend, creating RESTful APIs and user-friendly interfaces. Additionally, I continued to provide technical support and freelance services after my departure until May 2023. The system optimized clinical and hospital management, enhancing patient care and medication administration.Technologies: Node.js, React.js, MariaDB and RESTful APIs.

Developed a complete system for animal adoption tracking for an NGO. I used React, React Native, and NodeJS to create an intuitive and responsive interface. Advanced features such as a database and user authentication were implemented. The system automated manual tasks, facilitating the adoption process, and increasing the NGO's efficiency. Additionally, it allowed searching for animals, streamlined the adoption process, and provided responsible monitoring.Technologies: Node.js, React, React Native, PostgreSQL and TDD.

Passos, Minas Gerais, Brazil