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Luiz F.
Back-end and Systems Engineer

Cascading Style Sheets
Delphi
Pl/sql
Microsoft Sql Server
Oracle Database
Html
Java
Php
Postgresql
Mysql
Mongodb
Bio

Software developer with over a decade of experience, proficient in diverse programming languages and technologies such as Delphi, PHP, C#, SQL, PLSQL, PostgreSQL, Oracle, SQL Server, MySQL, Firebird, HTML, CSS, Photoshop, GraphQL, Docker, Jenkins, SVN, Git, Java, JavaScript, and React. Expertise includes Object-Oriented Programming (OOP), clean code principles, design patterns, Test-Driven Development (TDD), and Scrum methodologies. Recognized for adaptability, determination, and a strong commitment to embracing new experiences and challenges.

  • Java Developer
    2/1/2023 - Present

    Developed and maintained microservices to support the accounting team in calculating costs and taxes for clients using POS machines. Established and enforced code standards based on SOLID principles and Clean Code within a layered architecture. Monitored production processes and resolved any potential bugs to ensure smooth operation.

  • Mid-Level Java Developer
    5/1/2022 - 2/1/2023

    Directed the construction, development, and maintenance of the legal system utilized in judicial courts. Ensured effective monitoring in production and performed essential bug fixing. Demonstrated expertise in defining requirements and troubleshooting. Proficient in using JSON, JBoss, and implementing data structures. Utilized strong analytical skills to optimize system performance. Developed REST APIs and leveraged Docker for containerization. Worked extensively with Java 8 and PostgreSQL databases. Managed and refined development processes through Scrumban methodologies and maintained collaborative code with Git.

  • Senior Delphi Programmer
    10/1/2021 - 5/1/2022

    Developed and maintained a comprehensive legal system utilized in courts, ensuring seamless functionality and user experience. Provided technical support by identifying and resolving bugs, improving overall system reliability. Gained expertise in defining requirements and troubleshooting complex issues, leveraging skills in JSON, data structures, and analytical problem-solving. Worked extensively with RabbitMQ for messaging, and employed Scrumban methodologies for project management and workflow optimization. Demonstrated proficiency in Delphi for application development, as well as Oracle Database and Microsoft SQL Server for robust data management.

  • Mid-Level Delphi Programmer
    4/1/2021 - 10/1/2021

    Responsible for the construction, development, and maintenance of ERP and WebServices for the animal protein industries. Conducted gathering of requirements with clients to ensure alignment with project goals. Developed proficiency in defining requirements, JSON, troubleshooting, DevExpress, REST API, SOAP, Scrumban, Delphi, and Tortoise SVN. Demonstrated expertise in working with Oracle Database and Microsoft SQL Server to manage and maintain data integrity.

  • Mid-Level Delphi Programmer
    4/1/2020 - 4/1/2021

    Developed and maintained ERP systems specifically tailored for the textile industry. Demonstrated strong troubleshooting skills and contributed to the resolution of complex bugs to ensure system reliability. Utilized Firebase for backend solutions, integrated ACBr for compliance with Brazilian fiscal requirements, and employed DevExpress for enhancing user interface components. Operated within a Scrumban framework to effectively manage project workflows, and leveraged expertise in Delphi to deliver robust software solutions.

  • Mid-Level Delphi Programmer
    12/1/2019 - 4/1/2020

    Developed and maintained an ERP system for building materials stores, ensuring seamless operational efficiency. Acquired significant expertise in creating and maintaining procedures and triggers using Postgres (PL/SQL). Demonstrated strong troubleshooting skills and utilized DevExpress for rich user interface development. Applied Delphi for robust application programming and employed Tortoise SVN for version control. Operated within a Scrumban framework to enhance project management and maintain agile workflows.

  • Implementation Analyst
    4/2/2018 - 12/2/2019

    Developed proficiency in constructing, developing, and maintaining legal systems used in courts. Monitored production environments and performed extensive bug fixing. Demonstrated skills in defining requirements, troubleshooting, using React.js, and implementing GraphQL. Conducted unit testing and utilized RabbitMQ for messaging. Employed Docker for containerization and managed back-end processes using Java 8. Adapted Scrumban methodologies for project management. Leveraged Delphi and C# for various development tasks. Maintained version control using Git and managed databases with Oracle Database and Microsoft SQL Server. Utilized Jenkins for continuous integration and deployment.

  • Mid-Level Programmer
    1/1/2011 - 4/1/2018

    Developed and maintained ERP systems for building material stores, ensuring the seamless integration and functionality of business processes. Created and maintained complex procedures and triggers in PostgreSQL using PL/SQL, enhancing database efficiency and reliability. Demonstrated troubleshooting skills to resolve technical issues promptly and effectively. Worked extensively with Delphi for software development, integrating DevExpress components to enrich user interface experience. Utilized Scrumban methodologies to manage tasks and optimize workflow, ensuring timely project delivery and continuous improvement.

  • Fullstack
    1/1/2010 - 1/1/2011

    Responsible for the development and maintenance of e-commerce sites, with an emphasis on thorough requirements gathering with clients to ensure project alignment. Conducted maintenance and refactoring of websites to enhance performance and usability. Developed proficiency in defining requirements, CSS, PHP, Adobe Photoshop, MySQL, and HTML5, contributing to robust and visually appealing web solutions.

  • Information Systems at Integrated Colleges Logatti
    2007 - 2011

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