Luis C.
Back-end and Systems Engineer

Skills

JPA (Java Persistence API)

Spring Boot

Hibernate

Java

Javascript

Postgresql

Amazon Aws

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Bio

Experienced web developer specializing in marketplace and healthcare applications, with a current focus on financial sector development utilizing Java. Demonstrates solid proficiency in programming logic, data structures, Object-Oriented Programming (OOP), and JavaScript. Exhibits a keen interest in application scalability, infrastructure, best development practices, Test-Driven Development (TDD), and Behavior-Driven Development (BDD).

Senior Java Backend Developer
2/1/2023 - Present

Developed the BFF (Backend for Frontend) to facilitate data provision for the HR management portal focused on benefits like Food Allowance and Meal Vouchers. Utilized technologies such as Quarkus, MySQL, Redis, and MongoDB. Leveraged Java 17 and the Spring Framework for backend development. Implemented continuous integration and delivery pipelines with Jenkins, and utilized Sensedia API Management for handling APIs. Employed AWS services including EKS and ECR for deployment, with Docker for containerization.
Mid-Level Java Backend Developer
8/1/2022 - 1/1/2023

Developed and maintained microservices for managing and accrediting clients using Java 8 and 11, Spring Boot. Leveraged JUnit and Mockito for unit testing and ensured API documentation through Swagger. Utilized RabbitMQ for messaging, integrated MongoDB and Oracle DB for database management, and deployed services on Red Hat OpenShift. Automated CI/CD pipelines using Jenkins, monitored logs with Kibana, and maintained code quality standards with SonarQube.
Fullstack Developer - Java/React
9/1/2021 - 8/1/2022

Developed a financial engine for payment processing using a Microservices architecture. Utilized technologies including Apache Kafka, Spring Boot, Spring WebFlux, JUnit, Mockito, Swagger, PostgreSQL, Docker, React, and SonarQube.
FullStack Developer
7/1/2021 - 9/1/2021

Developed new features and adjustments in a health management system using Java (Spring Boot), React, and Oracle Database. Contributed to enhancing system functionality for a prominent client, ensuring efficient performance and seamless integration.
Developer III
3/1/2021 - 7/1/2021

Developed and implemented customizations, adjustments, and bug fixes in healthcare sector systems and databases for clients across Brazil, with a strong application of SOLID principles and design patterns. Utilized Jira for project management and issue tracking. Leveraged Java and Angular for front-end and back-end development. Generated reports using iReport and managed data within PostgreSQL and Oracle databases.
Fullstack Developer
9/2/2020 - 12/2/2020

Demonstrated advanced proficiency in the JavaScript stack, particularly with Node.js and React. Contributed significantly to the development of a web marketplace for events, utilizing React for the frontend and integrating APIs through axios for seamless client interactions. Engaged in the early stages of building a marketplace connecting suppliers with clients, where the frontend employed React and the backend was developed with Django, again leveraging axios for API consumption.