Raweeroj Thokaeo

Project for Advanced Info Service (AIS)

• Provided technical support for large-scale systems deployed to Advanced Info Service (AIS), ensuring high availability and system reliability.
• Supported operations across 100+ services and 1,000+ servers in a production environment.
• Diagnosed and resolved backend and deployment-related issues, collaborating with development teams.
• Monitored system performance using Grafana and Prometheus, handling high-traffic workloads (tens of thousands of users per second).
• Managed incident response, issue escalation, and root cause analysis to prevent recurring issues.
• Developed custom shell scripts to automate troubleshooting and improve operational efficiency.

• Upgraded a legacy PHP-based housing estate management system using AJAX and MySQL, improving maintainability and system structure.
• Optimized SQL queries and improved page load performance for better system responsiveness.
• Containerized the application using Docker, simplifying deployment and reducing environment setup complexity.
• Redesigned and enhanced the user interface based on client requirements, improving usability and user experience.
• Developed responsive web interfaces using HTML, CSS, and JavaScript.
• Worked independently across frontend and backend components, delivering end-to-end functionality.