Rubens Melo
Z OS Sysplex Technical Support at IBM
Sofia, Sofia-City, Bulgaria
Summary
👤
Senior🎓
Top SchoolRubens Melo is an experienced mainframe engineer with 11 years specializing in z/OS Sysplex, Db2 for z/OS administration and production support, currently providing technical Sysplex support at IBM. He began his career in hands-on roles from technician and tester to Java developer, bringing a practical full-lifecycle perspective to complex, high-pressure environments in banking and government systems. Rubens combines legacy expertise in COBOL and JCL with modern development skills in Java and Flutter, enabling cross-paradigm solutions that bridge core transaction systems and newer client interfaces. Known for keeping critical DB2 environments fast and reliable, he also has experience integrating IBM replication and analytics tooling (Q Replication, IDAA). Based in Sofia, Bulgaria, he blends deep operational discipline with a developer’s mindset, often coding utilities and routines to automate repetitive mainframe tasks.
11 years of coding experience
4 years of employment as a software developer
Administração, Business Administration and Management, General, Administração, Business Administration and Management, General at UDF Centro Universitário
English, Portuguese, Spanish
Stackoverflow
3,229reputation
528kreached
73answers
2questions
dart
top-5%
flutter
top-5%
jit
top-5%
Github Skills (151)
realtime10
postgresql10
mobile-development10
windows10
databinding10
flutter-widget10
zos10
riverpod10
backend10
firebase10
auth10
deno10
javascript10
flutter-plugin10
app-framework10
Programming languages (15)
Github contributions (5)
flutterbootcamp/brasil_datetime
Nov 2022 - Feb 2023
Extensões para DateTime em pt_BR
Contributions:6 releases, 22 commits, 3 PRs in 2 months
datetime
rubensdemelo/rubensdemelo
Aug 2020 - Oct 2024
Contributions:11 pushes, 1 branch in 4 years 2 months
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