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Washington M.
Data Engineer

Delphi
Bio

In the past year, specialized in developing comprehensive mobile and desktop solutions for the fuel station sector, with a focus on customer service improvements and secure end-to-end communication features, including data encryption. Innovations included the implementation of PIX payments, banking APIs, customer service chatbots for data queries, cloud solutions, and integrations with Point of Sale (POS) systems and Electronic Funds Transfer at Point of Sale (TEF), along with the processing of payment files from various credit and debit card operators and brands.

Extensive experience in the IT collections department of a banking institution, demonstrating expertise in managing contract processes, agreements, operations, releases, write-offs, and bill issuance. Years of experience with SIG systems, ERP solutions, financial software, NFe and NFS-e invoicing, SPED Fiscal compliance, as well as industrial process and production systems. Developed and maintained control demands using Delphi and participated in embedded solutions for this sector. Provided services through various assignments and dedicated several years to working in partnership with public health institutions, managing systems for controlling and distributing medical supplies across hospital networks.

Also served numerous clients as a freelance web developer, employing a range of tools and programming languages including Delphi, ASP.NET, PHP, C#, AJAX, MySQL, MS SQL Server, and KANBAN methodologies.

  • Software Developer
    11/1/2022 - 12/1/2023

    Developed mobile and desktop solutions for the fuel station sector, focusing on Android and Windows platforms for enhanced customer service. Structured and developed end-to-end communication resources with data encryption. Integrated PIX payment features, banking APIs, and chatbots for customer service with data queries. Implemented cloud solutions and facilitated integrations with POS systems and EFT. Streamlined processing of payment files for credit and debit cards from various operators and networks.

  • Senior Systems Developer
    3/1/2021 - 10/1/2022

    Developed advanced technical solutions for the banking sector, focusing on the generation of agreements, operations management, releases, cancellations, and the issuance of slips. Gained proficiency in creating and maintaining a robust JAVA-based front-end application tailored to meet stringent banking requirements. Utilized industry-standard tools and frameworks to ensure system reliability and effectiveness. Enhanced problem-solving and analytical skills to address complex financial transactions, ensuring high accuracy and efficiency in processing banking operations.

  • Developer
    10/1/2019 - 10/1/2022

    Developed proficiency in DELPHI and HORSE for back-end solutions in the collections sector. Contributed to agreement generation, operations, releases, dismissals, and issuance of slips for a BDMG portal. Utilized JAVA for front-end development, ensuring seamless integration and functionality across the system.

  • Systems Developer
    10/1/2019 - 3/1/2021

    Developed banking solutions focusing on the generation of agreements, operations, releases, disposals, and issuance of slips using a JAVA Front-end. Enhanced technical expertise in Java-based frameworks and environments to streamline and automate financial services. Contributed to the optimization of banking operations through the implementation of robust and efficient code, improving overall productivity and customer satisfaction.

  • Senior Software Developer
    9/1/2016 - 8/1/2019

    Gained extensive experience in fiscal management, finance, and accounting, with a strong focus on Brazilian tax regulations. Developed technical proficiency in the implementation and management of Nota Fiscal Eletrônica (NFe) and Sistema Público de Escrituração Digital (SPED). Utilized advanced accounting software and financial management systems to ensure compliance with regulatory requirements. Demonstrated skills in financial data analysis, budget forecasting, and fiscal reporting. Implemented automated solutions to streamline financial processes and improve accuracy in tax reporting. Analyzed fiscal data to identify trends, optimize financial performance, and support strategic decision-making. Utilized ERP systems to manage and integrate business processes, providing a comprehensive overview of the financial health of the organization. Ensured accurate and timely submission of tax documents and financial statements to relevant authorities.

  • Systems Programmer
    3/1/2012 - 1/1/2015

    Led the development of a factory floor system, focusing on enhanced management and control of inventory and production processes. Acquired in-depth knowledge and skills in fiscal, financial, and accounting management. Specialized in the implementation and oversight of NFe (Electronic Invoicing) and SPED (Public Digital Bookkeeping System) to ensure compliance and operational efficiency. Demonstrated expertise in streamlining manufacturing workflows through advanced technical solutions.

  • Software Developer
    5/1/2005 - 6/1/2009

    Developed proficiency in HTML, CSS, and JavaScript, with extensive work on modern frameworks like React and Angular. Demonstrated expertise in backend development using Node.js and Express.js, alongside database management with MySQL and MongoDB. Utilized Python and Django for building robust web applications and RESTful APIs. Applied knowledge of cloud services including AWS and Azure for deploying scalable and secure systems. Ensured smooth project workflow and version control using Git and GitHub, and leveraged Docker for containerization and efficient development environments. Implemented continuous integration and continuous deployment (CI/CD) pipelines using Jenkins and GitLab CI, enhancing the deployment process and reducing time-to-market. Employed Agile and Scrum methodologies to manage project timelines and deliverables effectively.

  • Developer
    4/1/2005 - 3/1/2007

    Oversaw the development and management of multiple projects and online systems, delivering robust and reliable digital solutions. Developed proficiency in PHP, Python, and Ruby, focusing on back-end development. Demonstrated extensive experience with front-end frameworks including Angular, React, and Vue.js. Utilized database management systems such as MySQL, PostgreSQL, and MongoDB to ensure data integrity and efficient retrieval. Maintained collaborative workflows using version control systems like Git and SVN. Managed server configurations and deployments using AWS, Docker, and Jenkins, ensuring high availability and scalability of web applications. Provided webmaster duties, maintaining and updating website content, optimizing site performance, and ensuring compliance with web standards and best practices. Developed strong project management skills, employing Agile methodologies to deliver projects on-time and within scope.

  • Technical / Programmer (Assistant)
    6/1/1999 - 1/1/2005

    Gained extensive experience in providing Support and HelpDesk within the Hemominas system. Acquired proficiency in supporting Microsoft products and played a pivotal role in the development of a network administration system. Demonstrated technical skills by performing maintenance on microcomputers and printers, and upheld server integrity by maintaining Linux servers handling email, Proxy, DHCP, DNS, and WWW services.

  • Computer Systems Analysis at Estácio
    2021 - 2025

  • Network Systems and Telecommunications at FUMEC University - Official
    2004 - 2007

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