01 // ABOUT — PANDEGLANG, BANTEN, INDONESIA

Haerul Ramadana Albantani

Backend Engineer

Building reliable, scalable, and maintainable backend systems.

Backend engineer focused on designing clean APIs, scalable server-side systems, and maintainable application architecture.

Comfortable working across the stack with TypeScript, React, Vue, and DevOps workflows, while keeping backend reliability, structure, and performance as the main focus.

02 //

Experience

MAY 2026 — PRESENT
IT Developer @ PT Siber Tech Indonesia
Pandeglang (on-site)
Developing, maintaining, and improving internal web-based platforms used across multiple divisions to support network operations, inventory management, cooperative workflows, internal process tracking, and operational automation.
- Developed Sigma OLT, a web-based OLT monitoring system for ZTE OLT devices used by NOC and Helpdesk teams to support network monitoring and troubleshooting.
- Built and maintained an internal inventory management application to help track company assets, devices, and operational equipment.
- Developed a cooperative management application to support internal koperasi processes and improve data organization.
- Built a workflow tracking application with progress bar features to visualize task status, process stages, and operational progress across divisions.
- Implemented CI/CD pipelines using Jenkins to automate deployment processes and improve development delivery workflows.
- Maintained and improved existing internal applications by fixing bugs, adding features, optimizing workflows, and ensuring system reliability.
- Integrated operational data flow from Telegram into spreadsheets to support reporting, monitoring, and daily operational coordination.
- Collaborated with NOC, Helpdesk, and internal divisions to translate operational needs into practical web-based tools.
MAY 2024 — APR 2025
Network Operation Center @ PT Siber Tech Indonesia
Pandeglang (on-site)
Monitored and maintained mainstream and customer bandwidth services, ensuring network availability, service stability, and timely handling of connectivity issues across customer and upstream networks.
- Monitored network performance, bandwidth usage, and service availability using PRTG Network Monitor.
- Handled customer-side configuration and troubleshooting through ZTE OLT for FTTH/GPON-based services.
- Configured and maintained MikroTik devices for customer connectivity, routing, and bandwidth management.
- Performed upstream network configuration and troubleshooting using Huawei ATN, Juniper MX201, and ZXHN 91062HS devices.
- Supported MPLS-based network operations for upstream connectivity and service delivery.
- Identified, escalated, and resolved network incidents to minimize downtime and maintain service reliability.
- Collaborated with internal teams to ensure smooth provisioning, monitoring, and maintenance of customer network services.