💻 Senior Software Engineer specializing in building secure, scalable applications across web, mobile, and enterprise platforms.
- Experienced in Java, Spring Boot, Hibernate, React, and Flutter, with a proven track record in ERP systems, ISP billing APIs, hotspot management, biometric attendance, and full‑stack business apps.
- Specialized in application security with Spring Security, JWT, and role‑based access controls, ensuring robust authentication and safe integrations with payment gateways and external devices.
- Skilled in DevOps automation using Docker, Jenkins, GitLab CI/CD, and GitHub Actions, with monitoring using Grafana and Prometheus to deliver reliable, high‑availability systems.
- 🧾 MAESTRO – Full-stack business operations app with Spring Boot + React, Redis caching, OCR, and PDF/QR generation.
- 📊 maXim ERP – Enterprise resource planning system with attendance, inventory, and reporting.
- 🌐 Hotspot Manager – WiFi hotspot management with Mikrotik integration and payment gateways.
- 🏢 Corporate Hotspot – Branch and role-based hotspot management with Spring Security.
- 📱 Maxim Flutter App – Mobile billing app with Bluetooth receipt printing.
- 🔗 BDCom Billing API – RESTful API for ISP billing with JWT authentication.
- 📡 maXim Customer Portal App – Android app with OTP login and Firebase notifications.
- 🔐 maXim Customer Portal – ISP management system with billing, payments, parental controls, and REST APIs.
- 🕒 ZKTeco Attendance System – Biometric attendance tracking with Hibernate and Oracle.
- ⚙️ DevOps Production – CI/CD pipelines, Dockerized deployments, monitoring dashboards with Grafana and ELK.
✨ “Professionalism and clarity are core to my communication style. I thrive on reproducible, secure workflows and visually expressive interfaces.”