Vagner Bellacosa

Hi, I'm Vagner Bellacosa!

I am an IBM Mainframe Specialist with extensive experience in COBOL, CICS, DB2, JCL, z/OS, Java and enterprise modernization. I enjoy designing secure, scalable enterprise applications and sharing technical knowledge through articles, courses and mentoring.

Skills

HTML

3 years experience

JavaScript

3 years experience

CSS3

3 years experience

Java

4 years experience

Node.js

2 years experience

Project Details

IBM Z Banking Platform

  • Designed and developed a secure enterprise banking application using COBOL, CICS, DB2 and JCL running on IBM Z.

Enterprise Inventory Management

  • Created a responsive inventory management system using HTML, CSS, JavaScript and REST APIs with responsive dashboards.

Mainframe Learning Portal

  • Developed an online learning portal containing interactive quizzes, labs and technical documentation focused on IBM Mainframe technologies.

Recommendations

“ Vagner is an outstanding IBM Mainframe professional. His technical knowledge, commitment and attention to detail consistently produce high-quality solutions for enterprise environments. ”
“ Working with Vagner has always been a great experience. He communicates clearly, shares knowledge with the team and delivers projects on time with exceptional quality. ”
“ Vagner combines strong problem-solving skills with deep experience in COBOL, CICS, DB2 and Java. He is an excellent mentor and a valuable professional for any software engineering team. ”
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