Hernan Alberto Unas Serrato Email & Phone Number

Colombia

During my career at the company, I have provided technical support in various activities related to integrations and developments of the company. Among my achievements, I supported the implementation and testing process of SNC (Secure Network Communication) in the Quality and Production environment of NEXA entity. I was responsible for creating objects and configuring connections in the SAP Portal to allow user access to the ERP. Additionally, I led the analysis, development, and monitoring of requests from NEXA and Fiduciaria de Occidente companies in the HCM module, including the query and writing of infotypes, news, and payroll processing. Moreover, I performed ABAP-level debug in Z and standard developments to identify and escalate critical scenarios. Furthermore, I was responsible for monitoring and controlling scenarios related to the request for absences in Successfactors from request, approval to synchronization with ERP. In Fiduciaria de Occidente, I supported the functionality for the registration of infotypes 2001 and 834, accompanying users in testing and socializing the entire flow with them.

As a development team leader and ABAP consultant, I have been responsible for a wide range of activities, including on-site and remote ABAP consulting, as well as leading teams in various projects from requirements gathering, estimation, design, development, testing coordination, production release, and support incident resolution. In addition, I have provided technical support and worked closely with functional consultant teams, participating in team meetings and providing performance improvements for existing applications. I have experience in custom development of modules such as FI, MM, SD, HCM, and more, web services creation, and integration with external platforms for data consumption. I am also proficient in documenting consulting tests and technical documentation.I have worked with a variety of clients across the country, including Konecta, Olimpica, Cementos Tequendama, Granos Y Cereales, Editorial SM, Triada, Universidad CES, Allianz, Fundación De La Mujer, Universidad Sergio Arboleda, Metro De Medellín, Universidad De Los Andes, Instituto Nacional De Cancerología, Computec, Universidad Externado De Colombia, Grupo Aval, Empresa De Energía De Bogotá and Transportadora De Gas Internacional.

As a SAP ABAP consultant, I have been responsible for developing the requested requirements from functional consultants, creating logic for Documentos Parametrizables (PMDs) in the MED module, and developing 2D graphics for data representation in SAP. In addition, I have created programs, Dynpros, tables, function modules, structures, data elements, and Smartforms. I have also implemented BADIs, provided support to functional consultants in solving requirements, documented technical specifications for developed solutions, and participated in resolving incidents and improvements during implementation. My experience includes working with Caja de Compensación Familiar del Valle del Cauca - COMFANDI, and Roll Outs for Clínica Tequendama, Clínica Odontológica Palmira, Clínica Palmira, IPS Palmira, IPS Cerrito, and IPS Pradera.

As a consultant, I have experience in developing mobile processes through interfaces between .Net and SAP. I have also integrated online queries for ordering, managing client catalogs, and handling material complaints through PQR interfaces. I have created Web BSP scenarios using ABAP RFC, Internet Services, Web Services, Java, and JavaScript, and have developed .Net Mobile applications that consume SAP Web Services and generate FM.

As a technical vocational instructor, I have taught various courses including Windows, Office, and Internet, as well as Office Automation using Visual Basic for Applications. Additionally, I have instructed classes on databases such as Mysql-SQL, and programming languages such as PHP, Java. During my tenure, I was responsible for an average of 300 students per semester.

As a developer for the company, I was responsible for various tasks, including designing, developing, and implementing internal applications using PHP and Sybase database. Moreover, I created external applications for the official website of the consortium to enable payment queries. My role involved the creation of stored procedures in the Sybase database to generate reports and provide mass information. I also had to maintain various applications that composed the management information system. Additionally, I evaluated and tested third-party software and documented the technical aspects of the developed applications. I generated monthly reports based on data stored in the database. In addition to these responsibilities, I created applications in C# language to execute some of the company's processes.

Bachelor'S Degree In Systems Engineering, Ingenieria De Sistemas

Diplomado Gerencia De Proyectos Informáticos

Diplomado En Desarrollo De Software, 1.020 Horas

Microsoft Certified Systems Engineer, Microsoft Certification

Certificación Internacional Windows Server 2003

Aptech Certified Computer Professional, Desarrollo De Software

International Certification in Software Development (Java, SQL Server, C#, Visual Basic .Net) Aptech Computer Education (APTECH) is.

Certificate Of Proficiency In Information Systems Management

Professional Technical Degree In Systems Analysis And Design, Sistemas