Renato A.
Data Engineer

Skills

Typescript

Cobol

Github

Java

Javascript

Php

Postgresql

Mysql

React

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Bio

An experienced Systems Developer with a solid professional trajectory since 2011, demonstrating proficiency in various programming languages and technologies. Committed to continuous professional development with the ambition to become a technical authority, maintaining a keen awareness of emerging market technologies.

Senior Consultant
10/1/2022 - Present

Served as the technical leader for a customer portal project, overseeing duties such as development, maintenance, team direction, and client meetings for clarifying requirements and providing effort estimates for potential developments. Developed expertise in the Java programming language, with extensive use of the JSF framework, Weblogic application server, and Oracle database. Utilized SoapUI for service queries and conducted log analysis and deployment of packages on Linux servers. Key accomplishments included adding new products to the customer portal, configuring service links, analyzing service returns using SoapUI to investigate inconsistencies, and implementing new anti-fraud measures on the portal.
Senior Systems Analyst
6/1/2022 - 10/1/2022

Developed and maintained the application using React Native and Expo, and the website using React Next.js and Remix. Worked extensively with the Supabase database, leveraging its PostgreSQL capabilities. Conducted occasional fixes and testing on Google Cloud infrastructure and architecture, focusing on sending notifications for billing and scheduled appointments. Utilized primary GCP services such as Cloud Run and Cloud Tasks. Implemented key features including the creation of the client information area for the web platform system targeted at professional clients, and re-implemented notification sending routines to enhance compatibility with the GCP environment.
Full Stack Developer
1/1/2020 - 6/1/2022

Developed and maintained several critical systems, including a backend API using PHP within the Laravel framework, a site manager and client profile management area both built with React, and a website utilizing HTML5, JavaScript, and PHP. Managed data storage and retrieval using a MySQL database. Enhanced logistics efficiency by implementing a feature to group orders sharing the same address, credit card, and delivery day, subsequently reducing the number of trips required. Created a link generator that redirected customers to a website with pre-added products in their cart, optionally including discount coupons. Implemented complex business rules for discount coupons, offering different types of discounts such as absolute values, percentages, and free shipping options.
Technical Consultant
6/1/2016 - 1/1/2020

Completed key projects for clients including Tim, Porto Seguro, and Banco Original, emphasizing the development of an ebilling system, various portals, and an intranet portal. Acquired extensive expertise in Java programming language (version 1.4 to 1.8) utilizing the Spring framework and Spring Batch. Developed web applications leveraging HTML5, JQuery, and JavaScript 6, deploying them using the Weblogic application server. Demonstrated robust database management skills through the use of Oracle databases, ensuring seamless functionality and maintenance of critical systems.
Junior Systems Analyst
5/1/2014 - 6/1/2016

Developed banking systems using Java programming language and VRaptor framework, enhancing web development skills with HTML5, JQuery, and JavaScript. Demonstrated expertise in database management with a primary focus on MySQL, while also creating SQL scripts for Oracle and SQL Server databases.
Junior Systems Analyst
2/1/2013 - 3/1/2014

Specialized in the development of banking projects utilizing the Java programming language, with extensive experience in frameworks such as Spring, Java Server Faces, Tiles, and Hibernate. Leveraged Oracle and SQL Server databases to ensure efficient and reliable data management. Additionally, completed basic and intermediate courses in ASP.NET to broaden technical expertise in web development practices.
Intern
8/1/2012 - 12/1/2012

Operated in the development of projects centered on the pension sector utilizing COBOL programming language. Responsibilities encompassed coding in COBOL and outlining detailed specifications for programs to be executed by external software factories. This role required a deep understanding of pension-related requirements and translating them into effective technical solutions through precise coding and comprehensive program specifications.
Intern
2/1/2011 - 2/1/2012

Developed the web interface for a school management ERP using Java programming language, incorporating Hibernate and JSF with PrimeFaces frameworks, and leveraging the Maven tool for project management. Demonstrated expertise in the Firebird database management system.