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Abner J.
Back-end and Systems Engineer

Spring Boot
React Native
Cascading Style Sheets
Visual Basic
Sql
Github
Java
Javascript
Postgresql
Bio

Graduated in Computer Technician and Systems Analysis and Development from ETEC and FATEC, both in Presidente Prudente/SP, the candidate possesses approximately three years of experience in system integration and data transformation. In the current role, the candidate develops cloud-native services that constitute the integration layer for both internal systems and external partner systems, with a focus on integrations utilizing RESTful web services and SOAP, developed using Java and Spring Boot. Previous experience includes serving as a developer on the WebMethods Integration Server platform, focusing on integrations and data transformation.

Past roles also encompass mobile front-end development with React Native technology and the creation of a Java application using the JavaFX library and PostgreSQL to compute efficiency indicators for bottling machines in the dairy sector. The candidate exhibits a robust interest in technology, particularly software development, and demonstrates strong programming logic skills with solid knowledge of Object-Oriented Programming (OOP).

  • Support Analyst
    4/2/2015 - 2/2/2021

    Mastered user support and installation and maintenance of computers and network systems. Managed purchasing of parts and services for IT and telecommunications needs. Excelled in developing reports using Excel's Power Query and Power Pivot features, as well as PowerBI. Developed, maintained, and supported a system for controlling machine downtime using the Java programming language. Created and enhanced spreadsheets to implement, automate, and improve internal controls.

  • Software Developer
    4/1/2023 - Present

    Developed cloud-native services for a data integration layer catering to both internal and external partner systems. Implemented various integrations, including RESTful APIs and SOAP Webservices. Leveraged technologies such as Java, Spring Boot, and Spring Cloud to build robust and scalable solutions. Utilized Git for version control and Swagger/OpenAPI for API documentation. Employed OpenFeign for efficient service communication and conducted thorough testing using JUnit and Mockito. Postman and SoapUI were used for API testing, while development work primarily took place in the IntelliJ IDEA environment on Linux platforms.

  • Integration Developer
    7/1/2021 - 3/1/2023

    Specialized in the development and maintenance of integration services and data transformation, serving both partners and internal systems. Utilized WebMethods for creating robust integration solutions and JIRA for efficient project management and issue tracking. Developed and consumed RESTful APIs and SOAP Webservices for seamless data exchange. Gained expertise in various data integration techniques and File Transfer Protocol (FTP) for secure data movement. Demonstrated proficiency in Git for version control, with strong coding skills in Java. Operated within a Linux environment to ensure reliable and scalable deployment and maintenance of integration services.

  • React Native Developer
    2/2/2021 - 6/1/2021

    Developed and maintained a mobile application utilizing a robust technological stack that included React Native and TypeScript. Leveraged SQLite for efficient data management and storage within the application. Demonstrated strong proficiency in version control through effective use of Git for collaborative development and code maintenance.

  • PCM – Maintenance Planning and Control/Purchasing
    1/2/2015 - 1/1/2019

    Mastered procurement processes by efficiently negotiating and acquiring parts, tools, and services essential for maintenance operations. Enhanced expertise in monitoring both preventive and corrective maintenance activities to ensure operational efficiency. Developed and implemented effective strategies for invoice recording, as well as inventory control and management. Conducted regular and thorough inventories to maintain accurate records and stock levels. Utilized the TOTVS Datasul system to streamline operations and maintain robust inventory and procurement processes.

  • PCP – Production Planning and Control
    7/2/2014 - 12/2/2014

    Achieved efficient control of milk production aligned with sales projections, ensuring optimal inventory management. Managed the procurement of raw materials required for milk packaging and performed regular inventory audits to maintain accuracy. Handled the meticulous entry of production orders, utilizing the TOTVS Datasul system to streamline operations and enhance data integrity.

  • Logistics Assistant
    4/2/2011 - 6/2/2014

    Developed expertise in stock control and managing product orders based on the customer order book. Gained proficiency in requesting production requirements aligned with customer orders and conducting meticulous inventories. Demonstrated capability in launching and controlling return invoices. Utilized the TOTVS Datasul system extensively to streamline and enhance these processes.

  • Information Systems (incomplete) at Western Paulista University
    2016 - 2019

  • Data Science (incomplete) at São Paulo State Virtual University
    2020 - 2023

  • Analysis and Development of Systems at FATEC – College of Technology
    2019 - 2021

  • Computer Technician at ETEC – State Technical School Prof. Dr. Antonio E. de Toledo
    2008 - 2009

  • Agricultural Technician at ETEC – State Technical School Prof. Dr. Antonio E. de Toledo
    2007 - 2008

  • Unit Testing with JUnit at AlgaWorks
    6/1/2023

  • Specialist in Spring REST at AlgaWorks
    1/1/2023

  • Santander Bootcamp Fullstack Developer at Digital Innovation One Inc.
    8/1/2022

  • JavaScript: Interfaces and Inheritance in Object-Oriented Programming at Alura
    3/2/2021

  • Understanding How the Library Works at Alura
    3/2/2021

  • JavaScript: Programming Object Orientation at Alura
    2/2/2021

  • CSS Flexbox at Origamid
    2/2/2021

  • JavaScript: First Steps with the Language at Alura
    2/2/2021

  • Complete Web Design at Origamid
    2/2/2021

  • Introduction to Computer Science with Python Part 1 at USP - Universidade de São Paulo
    9/2/2020

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