Bruno Biz
@brunobiz
Application Support Engineer at CISS S.A. who supported supermarket ERP operations and built Go APIs for Proxmox.
BrazilWhat I'm looking for
At CISS S.A., I supported production ERP applications serving supermarket operations across 20+ branches and hundreds of users. I investigated critical incidents and troubleshot application and database issues with SQL, Java, and PowerScript.
At SS Sistemas, I supported ERP applications for auto repair shops, auto parts retailers, and distributors. I also developed a C# integration between a Visual FoxPro ERP and a third-party warranty provider.
In my personal projects, I built Orcha, a Go REST API for Proxmox and LXC operations, and developed Narwhal, a Go CLI for game server management. I also operate a self-hosted Linux homelab using Proxmox, Debian LXC containers, and Docker.
Experience
Work history, roles, and key accomplishments
Application Support Engineer
CISS S.A.
Apr 2024 - Jul 2026 (2 years 3 months)
Supported production ERP applications for supermarket operations, investigated critical incidents, and restored application functionality. Troubleshot application and database issues using SQL, Java, and PowerScript.
BI Analyst
Grupo Pluma
Mar 2024 - Apr 2024 (1 month)
Developed QlikView dashboards using DB2 data and optimized Oracle SQL routines through indexing and query refactoring. Investigated reporting discrepancies and validated calculations with internal BI users.
Application Support Engineer
SS Sistemas
Jan 2016 - Feb 2024 (8 years 1 month)
Supported and maintained ERP applications for auto repair shops and parts retailers, diagnosing production failures through SQL and log analysis. Developed a C# integration between Visual FoxPro ERP and a third-party warranty provider.
Education
Degrees, certifications, and relevant coursework
Federal University of Technology - Paraná (UTFPR)
Bachelor's Degree, Software Engineering
2017 - 2025
Bachelor's degree in Software Engineering from the Federal University of Technology - Paraná (UTFPR), completed in 2025.
Availability
Location
BrazilAuthorized to work in
Salary expectations
Social media
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