Available to hire
Hi, I’m Randell Calilung, a frontend-focused developer with automation experience based in San Fernando, Pampanga, Philippines. I enjoy building web and mobile applications, optimizing performance, and turning complex problems into reliable, scalable solutions. I’m comfortable with backend optimization, database design, UI/UX, and end-to-end delivery.
I thrive in collaborative environments, love learning new technologies, and continuously seek ways to automate workflows and improve efficiency. My goal is to deliver high-quality software that helps teams move faster and achieve meaningful outcomes.
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Language
English
Advanced
Work Experience
Web Developer -Internship at City Government of San Fernando, Pampanga
February 29, 2024 - July 22, 2025Developed a City Incident Management System enabling users to report and manage incidents such as fire, crime, and floods. Built the backend using Laravel and the frontend with React, ensuring a dynamic and user-friendly interface. Implemented soft deletes, pagination, and filtering for efficient incident management. Integrated WebSockets for real-time monitoring and notifications, improving response times for emergency services. Collaborated on client websites using PHP, Laravel, and React, enhancing web application functionalities. Debugged and optimized web applications, ensuring smooth user experiences and resolving technical issues. Designed a secure municipal database system in MySql, improving data retrieval speeds by 50% and ensuring compliance with government data protection standards.
Software Developer Intern at City Information and Communication Technology Office
December 31, 2025 - August 1, 2025Boosted system efficiency by 60% through backend optimization and database indexing. Reduced frontend load times by 70% by implementing SPA architecture with Inertia.js and React. Enhanced reporting accuracy by 50% via real-time data updates using WebSocket (Pusher). Streamlined deployment and improved dev consistency using Docker with Laravel + Nginx stack. Cut admin task time by 40% by developing dynamic dashboards and reusable UI components. Improved maintainability by structuring scalable data models and normalizing relationships. Strengthened data integrity by implementing soft deletion, validation, and secure CRUD logic. Improved user experience with multi-image upload, email verification, and drawer-based UI.
Automation Specialist at FCI London
August 1, 2025 - November 30, 2025Designed, implemented, and maintained automation solutions to improve operational efficiency, reduce manual workload, and enhance system reliability across facility processes. Developed and optimized automated workflows for monitoring, reporting, and equipment operation, ensuring compliance with organizational and regulatory standards. Diagnosed and resolved automation-related issues, performing root-cause analysis and deploying long-term corrective measures. Collaborated with cross-functional teams—including engineering, IT, and operations—to integrate new automated systems and improve existing processes. Created documentation, SOPs, and training materials to ensure effective adoption of automated tools and technologies. Leveraged data insights to identify areas for process improvement and support continuous optimization initiatives.
Software Developer Intern at City Information and Communication Technology Office
January 1, 2024 - January 1, 2025Boosted system efficiency by 60% through backend optimization and database indexing. Reduced frontend load times by 70% by implementing SPA architecture with Inertia.js and React. Enhanced reporting accuracy by 50% via real-time data updates using WebSocket (Pusher). Streamlined deployment and improved dev consistency using Docker with Laravel + Nginx stack. Cut admin task time by 40% by developing dynamic dashboards and reusable UI components. Improved maintainability by structuring scalable data models and normalizing relationships. Strengthened data integrity by implementing soft deletion, validation, and secure CRUD logic. Improved user experience with multi-image upload, email verification, and drawer-based UI.
Education
Bachelor of Science in Information Technology at City College of San Fernando, Pampanga
January 1, 2020 - January 1, 2024BS in Information Technology at City College of San Fernando Pampanga
January 1, 2021 - December 31, 2025BS in Information Technology at City College of San Fernando Pampanga
January 1, 2021 - January 1, 2025Qualifications
Industry Experience
Government, Software & Internet, Computers & Electronics, Energy & Utilities, Agriculture & Mining, Education, Professional Services, Other
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