Chafid Ahmad

Maintaining and enhancing a legacy .NET desktop application supporting business operations, reporting, invoicing, pricing, customer management, and route-related workflows. Took ownership of the application, established a reproducible local development environment, and resolved complex issues across reporting, invoicing, pricing, and data processing.

Developed a full-scale ERP platform supporting finance, procurement, inventory, warehouse, and core business operations. Coordinated a five-person engineering team, designed backend services using ASP.NET Core and SQL Server, and implemented Microsoft Entra ID SSO.

Developed a desktop application combining C++ and Go for automated code generation, built a reusable Python text-to-speech abstraction layer, and integrated third-party property management systems with a resort booking platform.

Coordinated a distributed team of freelance developers delivering enterprise cloud solutions. Managed task prioritization, stakeholder communication, and delivery planning, and collaborated on Azure-based ETL solutions.

Developed backend microservices using .NET Core and PostgreSQL for an internal enterprise collaboration platform, designing RESTful APIs. Managed IT operations, infrastructure, and a technical support team.

Developed and maintained Java-based microservices for Traveloka's electronic billing platform, designing scalable REST APIs. Implemented automated unit tests to improve code quality and maintainability.

Developed backend modules for an airline reservation system using Perl and PHP. Configured Cisco networking equipment, VPN tunnels, and remote console servers to support secure customer deployments.

Developed custom modules and alarm management enhancements for the ECOSS network management platform. Delivered OSS integration and customization solutions for telecommunications customers.

Supported enterprise OSS and ENIQ platforms, managing customer incidents, troubleshooting, and SLA coordination. Performed upgrades, system integrations, and production data recovery, and developed a Perl automation tool for ENIQ network statistics recovery.

Integrated multi-vendor OSS platforms (Nokia Siemens, Motorola, Huawei) into HP TeMIP network management solutions. Developed Perl automation to parse raw network alarm data and extract time ranges from large TeMIP log files.

Developed enterprise Java applications using BEA WebLogic, JBuilder, and Oracle Database for telecommunications customers. Built integration modules between inventory management and customer service systems.

BSc in Computer Science from the University of Indonesia.

MSc in Network Systems from the University of Sunderland.