Pablo R.

Back-end and Systems Engineer

Backend Developer
1/1/2022 - 2/1/2023

Developed and maintained new features for time management systems utilized in loading and unloading terminals. Handled the maintenance and enhancement of a microservice responsible for integrations with external systems, which was activated by messages using RabbitMQ. Worked extensively with Oracle databases, leveraging PL/SQL for database management and development tasks.

Backend Developer
7/1/2021 - 12/1/2021

Contributed significantly to the backend development of an investment account control panel. Expertise in Java and Spring Boot was leveraged to build robust and scalable microservices. Implemented RESTful APIs for seamless integration with frontend components and other third-party systems. Utilized MySQL and Redis for efficient data storage and caching, respectively. Employed Jenkins for continuous integration and automated deployment processes. Enhanced application security through OAuth 2.0 authorization frameworks and comprehensive unit testing using JUnit. Ensured version control and collaborative workflow management using Git and GitHub. Proficiency in Docker was demonstrated to containerize applications, and Kubernetes was utilized for orchestrating deployment in various environments.

Mid-Level Node.js Backend Developer
3/1/2020 - 5/1/2021

Developed, maintained, and monitored back-end systems using Node.js and Typescript for both internal and client platforms. Managed front-end development and upkeep utilizing Angular with a focus on Typescript. Created, maintained, monitored, and deployed synchronous and asynchronous Serverless scripts (Lambda) primarily in Typescript, supplemented by JavaScript, using the Serverless framework. Conducted web scraping utilizing Serverless and Puppeteer, as well as HTTP requests on internal servers, for monitoring and extracting legal data. Downloaded and stored comprehensive copies of cases from various national legal system platforms, including ESAJ, EPROC, TRT, and PROJUDI. Scraped data and documents related to CNPJs involved in legal processes, gathering information such as quantity, CNJs, process class, movements, parties, and general data. Managed queues using SQS and storage with S3. Utilized MongoDB, a non-relational database, for data management. Employed microservices architecture within cloud environments, specifically AWS. Operated within a Linux environment, leveraging AWS and MongoDB for robust application performance and data handling.

Web/PHP Developer
8/2/2019 - 3/1/2020

Developed and maintained web systems leveraging proficiency in PHP, alongside advanced API development utilizing Laravel 5. Created Python scripts for generating reports in XLS format, showcasing strong scripting abilities and attention to detail in data management. Demonstrated expertise in VBA scripting to develop macros and manipulate content efficiently.

Web/Mobile Developer
1/2/2019 - 3/2/2019

Developed expertise in mobile development utilizing Ionic, enabling the creation of cross-platform applications with a unified codebase. Enhanced web development capabilities through extensive work with PHP, HTML, and JavaScript, successfully building dynamic and responsive websites. Demonstrated advanced skills in integrating front-end technologies with back-end systems to optimize performance and user experience. Efficiently managed code versioning and collaborative development using Git, ensuring consistent and organized workflow.

Web/PHP Developer
12/2/2018 - 2/2/2019

Gained extensive experience in developing a multi-tenant system with ERP SOAP API integration leveraging Laravel for the backend and Vue.js components for the frontend. Achieved a robust understanding of Laravel's architecture and its implementation of RESTful APIs. Utilized advanced Vue.js capabilities to create dynamic and interactive user interfaces. Implemented SOAP API integration to facilitate seamless data exchange between the ERP system and the multi-tenant application. Developed a reliable authentication and authorization mechanism to ensure the security and data isolation for multiple tenants. Conducted performance profiling and optimization to handle high-volume transaction loads and ensure system scalability. Employed version control systems including Git for collaborative code maintenance and versioning. Demonstrated proficiency in deploying the application on cloud-based infrastructures, ensuring high availability and disaster recovery setups.

Web/Mobile Developer
7/2/2017 - 12/2/2018

Demonstrated proficiency in developing web systems, with a focus on both front-end and back-end technologies including Laravel, Vue.js, HTML, and JavaScript. Acquired extensive experience in the development and maintenance of mobile applications using the Ionic framework. Gained expertise in creating desktop applications with Java. Delivered robust and scalable solutions by integrating advanced frameworks and adhering to best practices in software development.

Information Technology at União College
2006 - 2011