Sérgio D.

Principal Engineer

Systems Consultant
5/1/2020 - 9/1/2023

Gained extensive experience in performing logical and physical project specification, alongside functional specification and comprehensive documentation development. Demonstrated proficiency in conducting unit, integrated, and functional testing to ensure high-quality project outcomes.

Programmer Analyst
9/1/2018 - 7/1/2019

Developed expertise in logistics systems by surveying, specifying, developing, and implementing applications. Specialized in programming using Microfocus COBOL and LINUX, demonstrating a strong proficiency in these technical areas.

Programmer Analyst
3/1/2016 - 8/1/2017

Contributed to a comprehensive migration project for CDD bases within the CE System, emphasizing Electronic Compensation. Engaged in survey, specification, development, and deployment phases. Developed programs utilizing IMS-DC/DB2 and COBOL/BATCH/DB2, ensuring robust integration and efficient data handling.

Programmer Analyst
11/1/2014 - 1/1/2015

Developed advanced proficiency in COBOL and Mainframe application development through involvement in the Mort Gage Project during Sprint 2 and 3. Undertook comprehensive application development tasks, ensuring high performance and reliability of the systems operated.

Programmer Analyst
8/1/2012 - 3/1/2014

Spearheaded the analysis and programming of COBOL applications, utilizing IMS-DC for transaction management and DB2 for robust database interactions. Gained substantial expertise in crafting and optimizing Job Control Language (JCL) scripts to streamline mainframe operations. Enhanced data integrity by implementing consistent and reliable database queries and updates through COBOL and DB2. Hands-on experience in resolving complex system issues and ensuring seamless integration across multiple layers of mainframe infrastructure. Developed a solid understanding of batch and online processing within legacy systems.

Programmer Analyst
10/1/2010 - 8/1/2012

Developed expertise in COBOL, CICS, and DB2 through the Core Banking Deployment project. Crafted detailed functional specifications, technical specifications, system requirements, and use cases, ensuring seamless project execution and alignment with business needs.

Programmer Analyst
1/1/2005 - 10/1/2010

Demonstrated expertise in defining requirements and specifications for Guarantee and Credit Limit systems, contributing to streamlined project execution. Specialized in developing and maintaining various modules within the Residential Credit System, particularly focusing on the Delay Simulation Module for Uncountered Accounts using TSO, COBOL, IMS-DB/DC, and DB2. Enhanced the functionality of the Residential Credit System and improved the Actions System through routine updates and application improvements. Gained substantial experience in analysis, specifications, and the enhancement of routines and applications for the ET System in different insurance and debit card verticals, employing technical skills in TSO, COBOL, IMS-DC, DB2, and VISUAL BASIC.

Senior Systems Analyst
10/1/2003 - 1/1/2005

Served as a Systems Analyst for the Client Appointment Scheduling System, demonstrating expertise in analysis, maintenance, and enhancement of routines and applications. Developed technical proficiency in TSO, COBOL, DB2, VSAM, and CICS, ensuring the system's reliability and efficiency.

Senior Systems Analyst
4/1/2003 - 7/1/2003

Developed proficiency in COBOL, IMS-DC, DB2, and JCL. Conducted logical and physical analysis with program definition for the CPEC/CBCA system supporting statistical consultations and title payment and collection in customer service channels. Addressed and resolved implementation issues in the PFOR system related to supplier payment. Successfully managed the migration of the PFOR system from CSP to IMS-DC, ensuring seamless integration and operational continuity.

Cobol Programmer Analyst
3/1/2001 - 4/1/2003

Specialized in the maintenance, development, and enhancement of applications to address issues in Production Systems, utilizing ROSCOE, CHANGEMAN, COBOL, CICS, IMS-DC, TELON, DB2, and JCL.

Programmer Analyst
5/1/2000 - 3/1/2001

Developed and maintained a Billing system in an OS2 environment utilizing COBOL, CICS, JCL, and DB2. Gained experience in developing and maintaining a Promotional Purchases system using VB 6 with SYBASE. Worked on a data migration project for a financial institution, employing technical skills in a mainframe environment with ROSCOE, TSO, COBOL, DB2, and ENDEVOR.

Cobol Programmer
5/1/1998 - 3/1/2000

Focused on the development of COBOL applications and demonstrated expertise in IMS-DC and IMS-DB. Gained significant experience with DB2 and utilized WORKBENCH effectively to meet project objectives.

Programmer Analyst
4/1/1994 - 11/1/1997

Developed and maintained applications within a MAINFRAME environment (IBM-9221), utilizing VM/CMS, CSP, COBOL, and SQL-DS, with a focus on Poultry Farming Systems, Accounting Management, and HR. Spearheaded the downsizing in the second half of 1995, subsequently converting the Accounting Management system from CSP to VISUALAGE GENERATOR. Led the migration to a network using a RISC 6000 machine with OS2/DB2-2, AIX/DB2-6000, and languages VISUALAGE GENERATOR and VISUALAGE COBOL. Post-migration, engaged extensively in the development and maintenance of applications in VISUALAGE GENERATOR.

Bachelor's Degree in Computer Science at Unijuí - Northwest Regional University of the State of Rio Grande do Sul
1989 - 1993