Md Jubiar Ahmed Rabbi
Quality Assurance & Monitoring Specialist
Ensuring software reliability through rigorous testing, comprehensive monitoring, and data-driven root cause analysis
About Me
Professional Summary
QA & Monitoring Specialist with experience testing web and Android applications, validating requirements, and supporting release quality. Skilled in test planning, test case design and execution, defect reporting and verification, and end-to-end functional/regression testing. Strong in troubleshooting, log analysis, and monitoring/observability to isolate issues across application, server, network, and database layers. Reliable and detail-oriented, supporting teams to ship stable, user-ready software.
What I Do
QA Testing
End-to-end functional, regression, and smoke testing for Web and Android applications with comprehensive defect lifecycle management.
Monitoring & Observability
Real-time infrastructure monitoring using Grafana, Prometheus, Zabbix, and LibreNMS with KPI/SLA dashboards and alert tuning.
Incident Triage & RCA
Log and metrics analysis to isolate faults across application, server, network, and database layers with documented root cause analysis.
API Testing
REST API validation with Postman including authentication flows, status codes, payload validation, and negative testing scenarios.
Skills & Expertise
Testing
API Testing
System Monitoring
Troubleshooting & RCA
Networking & Security
Database Management
IT & Server Administration
Programming
Work Style
My Toolbox
Technologies and tools I work with daily
Work Experience
QAMS Specialist
Operate and maintain monitoring for servers, network devices, and services using Grafana, Zabbix, Prometheus, and LibreNMS, ensuring continuous visibility and alerting.
Build and maintain dashboards and KPIs to track system health, availability, and performance; support faster detection of anomalies and service degradation.
Perform incident triage and troubleshooting across application/server/network/database layers using logs, metrics, and connectivity checks; document findings and RCA.
Execute end-to-end functional and regression testing for web and Android releases; validate requirements, reproduce issues, and verify fixes.
Manage defect lifecycle: clear bug reports (steps, evidence, expected vs actual), prioritization support, retesting, and regression confirmation.
Run API testing workflows with Postman, validating data exchange, status codes, payload correctness, auth flows, and failure handling.
Maintain and improve IT/support documentation (runbooks, troubleshooting notes, reporting formats).
Technologies & Tools
Projects
A selection of projects I've worked on, focusing on quality assurance, testing, and ensuring reliable software delivery.
Comprehensive business management platform with web frontend and REST API integration
Outcome
Achieved reliable frontend-backend integration through comprehensive API testing coverage
Educational web application platform for learning management
Outcome
Ensured stable releases with comprehensive defect documentation and verification
ISP management system with web and Android application support
Outcome
Delivered stable releases across web and mobile platforms
Credentials
Academic background
B.Sc
RP Shaha University
Professional credentials
BGD E-GOV CIRT University Cyber Drill
BGD E-GOV CIRT
Team: RPSU
CCA Cyber Crime Awareness
Cyber Crime Awareness Foundation
Recognition received
Intra University Programming Contest
RP Shaha University
ChampionCommunication skills
Get In Touch
I'm always open to discussing new opportunities, interesting projects, or just having a chat about QA and monitoring. Feel free to reach out!