Marcus Hoyer

Work History

Petrobrás through IBM

12.2022 - Current

Working remotely for Petrobrás through TIC Home Office
Methodology: Agile Scrum
Tool Usage: JIRA, Jenkins CI / CD
Providing technical support to the entire team, presenting solutions for challenging problems in various systems using the following technologies: Database: Oracle
Languages: C#, PL-SQL
Utilizing: .NET Core, Web API, NHibernate, JavaScript, jQuery, Ajax, HTML, CSS, Web Services, MVC
Course: ISO 9001
Working on systems: COOPERA, DRSPEC, and their migration to AWS Cloud
The COOPERA system at Petrobras is a system that manages the quality of information for projects related to the construction of platforms and vessels developed by Petrobras, being a very important project within the company.

Petrobras through Spassu consulting

05.2021 - 12.2022

Working remotely 100% from home for Petrobras' TIC department, earning productivity bonuses
Methodology: Agile Scrum
Tool Usage: JIRA, Git, Jenkins
Working on various systems with the following technologies: Database: Oracle
Language: C#, PL-SQL
Use of NHibernate, JavaScript, jQuery, Ajax, HTML, CSS, Web Services, Web Forms, MVC, Windows Forms
Course: ISO 9001
Working on systems: SCPROD, GM, APLAT, and GOFP
With a primary focus on the GOFP system (Offloading Management of oil platforms).

PRODERJ through CAST consulting

12.2012 - 05.2014

Elaboration of project schedules
Requirements gathering meetings
Data modeling, database creation, administration of accounts in the development environment
Support in coding Excel data import function to C# system
Use case development
Analysis, modeling, specification, creation of prototypes for the Mobile Equipment Management System (SIGEM) for use by the Secretary of Education of the State of Rio de Janeiro
Project with MVC architecture version 4 and .NET 4.0, using Entity Framework 4, jQuery, Ajax, and SQL Server 2008 database.

GIGANET

10.2010 - 07.2012

Coordination of development team, solution architecture definition, analysis, creation of programming standards, programming, testing, validation, system documentation, data modeling, database creation, permissions, creation of procedures, backup, restore, data importation
Technologies Used: Visual Studio 2008/2010 (Use of WebService, Windows Mobile Programming, Windows Forms for desktop with UI update multithreading, multithreaded console application for database - with Visual Basic.net)
SQL Server 2005/2008 (data modeling / database administrative routines / Backup / Restore / permissions / Data imports)
SQL Mobile 3.5
ASP.NET Programming.

National Petroleum Agency

03.2010 - 10.2010

Analysis, programming, testing, validation, documentation of systems under the responsibility of the DownStream team
PL-SQL programming, table creation, indexes, procedures, triggers
SPA (Fueling Point System), national level
Available at: http://www.anp.gov.br/spa/ Sic Bolsas - Academic Scholarship Control System on the intranet using ASP 3.0
SIMP (Product Movement System), VB6 technology.

11.2007 - 03.2010

Analysis of legacy systems aiming at the implementation of the Microsiga ERP system, working on modules such as Fixed Assets, Billing, and Inventory
Data migration from DOS and Windows systems into SQL Server, DBF, and Paradox databases
Data modeling, table creation, permissions, stored procedures, triggers, user accounts, database performance monitoring, backup, restore, user account creation
Maintenance of billing systems (VB 6 - SQL Server - 3-tier model)
Maintenance of collection systems (VB 6 - SQL Server - 3-tier model)
Maintenance of franchise control system, utilizing POS (DELPHI 3.0 - MSDE)
Maintenance of accounting/foreign exchange variation reporting system (Clipper - DBF with ADS)
Creation of installers for Visual Basic 6.0 systems
Checks and analyses of inconsistencies in the billing database model, identifying the need for improvements
Maintenance of ASP.NET 2.0 Systems; Maintenance of ASP.NET 3.5 Systems; Migration of Web Services to WCF technology.