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Admilson M.
Full-stack Product Engineer

Node.js
Javascript
React
Bio

Senior IT Professional with over three decades of experience in application development, utilizing technologies such as Flutter Dart, React, NextJs, Docker, and non-relational databases. Proficient in C# .Net Core, Oracle, SQLServer, MVC Web, and Backend API Services, with significant expertise in maintaining and migrating legacy systems built on older programming languages.

Demonstrated proficiency in contributing to critical projects across various sectors, including Air Traffic Management, Retail, Security, Health Care, Energy, Insurance, Foreign Trade, ERP systems, Commercial Systems, Mobility solutions, and Business Intelligence. Extensive experience within the Financial Market sector, particularly in Stocks & Shares Options and Futures Market.

Possesses a strong capability in requirement analysis, risk analysis, technology selection, cost projection, time estimation, quality control, project management, and testing. Technologically versatile, with hands-on experience in JavaScript frameworks, Ajax, JSON, CSS, HTML5, MVVM, Windows Phone, RUP, BPMN, and Visual Basic.

Utilized tools such as SVN, Tortoise, JIRA, Team System, Borland Delphi, Oracle PL/SQL Database, InterBase, SQL Server, Paradox, and DBF. Skilled in UML with EA, Enterprise Architect, Rational Rose, and Erwin for bank mainframe environments, including ASM, zOS1.7, ESA390, NATURAL, MVS, CICS, ADABAS, DB2/UDB, ASP Classic, and CGI using Delphi, JavaScript, VBScript, VBA, Centura, and Power Builder.

Worked on platforms and languages like Sybase with Oracle, MySQL on Apache/Linux servers, Palm Mobile Technology, Windows Mobile, iOS, Android, and familiar with SAP, Microsiga AP5, and Hercules simulator software for mainframes on Linux and Windows.

  • Senior Software Development Engineer
    1/1/2020 - 12/1/2020

    Supported systems for the retail segment, specifically Grupo GPA Systems. Specialized in transferring technical and business knowledge to IBM. Developed expertise in retail-specific systems and processes. Acquired deep understanding of the operational and technological requirements within the retail industry. Leveraged technical skills to facilitate seamless knowledge transfer and operational continuity.

  • Senior Specialist Developer
    1/1/2020 - Present

    Developed proficiency in C# .Net and JavaScript frameworks with a focus on full stack development. Extensive experience with cloud technologies, particularly PAAS Azure, including App Service, Storage Account, Application Insights, Application Gateway, Data Factory, Key Vault, and Logic App. Enhanced security and compliance through the application of CheckMarx and WhiteSource tools. Applied Agile methodology and DevOps practices, implementing Pipelines, Unit Tests, and version control with Git. Played a key role in Scrum teams, contributing to iterations and sprints. Employed principles of Domain-Driven Design and Clean Architecture in developing and supporting a critical audit system for the mining industry.

  • Senior Developer
    1/1/2015 - 12/1/2020

    Supported commercial systems utilizing .Net Core C#, Oracle, Visual Basic (COM+), Teradata, Mainframe technologies including Natural, Adabas, TSO, JobTrac, and TWS. Developed automation scripts using PowerShell and ShellScript for production processes. Implemented solutions using MVC and classic ASP frameworks. Managed and optimized systems such as Markdown Systems AC35 for aggressive product offers and Nielsen Spaceman for planogram and product exhibition in stores.

  • Senior Developer
    1/1/2013 - 12/1/2015

    Served as a Consultant acting as Developer Analyst with expertise in Microsoft technologies including C# .Net Core, MVC, Visual Basic, SQL Server, COM+, Web Services, and Visual Studio editions 2005 through 2012. Key responsibilities included addressing emergency corrections in critical production systems within the Incident teams and handling small projects under 80 hours in the Demands team. Allocated within the Financial Systems area, managing contexts such as Credit Cards and Private Label, delinquent customer debts, and embossing of VISA and Mastercard Flag Cards.

  • Senior Software Development Engineer
    1/1/2011 - 12/1/2013

    Led the development of a significant financial product, www.sofisadireto.com.br, utilizing C# ASP.NET MVC framework. Implemented and managed databases with SQL Server 2008 R2, and integrated Web Services and LINQ for enhanced data operations. Focused on providing account holders with diverse financial products including Saque Especial, LCI, CDB, and application schedules. Adhered to the SCRUM methodology for effective project management and iterative development. Collaborated directly with bank management and directors to address and resolve development-related issues.

  • Senior Project Leader
    1/1/2010 - 12/1/2011

    Possesses robust project management capabilities with a focus on analysis, business specification, and requirements gathering. Utilizes UML for modeling and has specialized in systems databases tailored for a range of mobile devices including Android, BlackBerry, Symbian OS, PalmWeb OS, iPad, iPhone, and Windows Mobile. Executed projects incorporating SWOT analysis for scenario and environment assessment, along with trade marketing strategies and BSC (Balanced Scorecard) for performance measurement and management. Demonstrated expertise through the successful execution of projects for high-profile customers.

  • Senior Business Process Analyst
    1/1/2009 - 12/1/2010

    Participated in the migration to the .Net Platform of the SINACOR System, transforming modules written in SQL Centura Windows. Specified new modules based on BPMN and UML to be implemented in C# with Oracle 9i (PL/SQL). Conducted information gathering with Product Managers to optimize existing processes. Accessed and analyzed SQL Centura Windows source code, debugging and refining procedures and packages in Oracle 9i (PL/SQL). Supported the project architecture to ensure seamless transition and system integrity.

  • Senior Business Development Specialist
    1/1/2004 - 12/1/2009

    Developed expertise in Enterprise Architect and Mainframe systems with proficiency in NATURAL/ADABAS and DB2/UDB databases. Gained extensive experience working within MVS and CICS environments, including SVC and COBOL. Leveraged the Hercules Simulator for mainframe testing and simulation. Enhanced technical acumen in Java while following CMMi 2, RUP, and UML standards for project management and development processes. Demonstrated capabilities in Delphi, C# .Net, and VB.NET for application development, coupled with Oracle PL/SQL for database management. Contributed to projects involving Air Traffic control systems, Route Extraction algorithms, Weather data processing, and Logistics operations.

  • Senior Developer
    1/1/2004 - 12/1/2004

    Demonstrated expertise in customer requirements management and SQL Server database administration. Led system development projects with a focus on billing, commercial, service, processing, and sales areas. Utilized technologies including Visual Basic, .Net Framework, and SQL Server 2000, ensuring seamless integration with legacy internal systems.

  • Senior Web Applications Developer
    1/1/2003 - 12/1/2004

    Developed expertise in the .Net platform utilizing C# and SQL Server 2000. Played a crucial role in maintaining the Sky TV Portal's Pay-Per-View module, ensuring seamless functionality on Windows XP Servers. Demonstrated ability to perform under pressure while adhering to strict deadlines. All development work was subjected to rigorous quality testing procedures before deployment to ensure reliability and performance standards were met.

  • Theoretical Physics and Mathematics at University of Taubaté
    2004 - 2006

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