Randell Calilung

Available to hire

Hi, I’m Randell Calilung, a frontend-focused developer with automation experience based in San Fernando, Pampanga, Philippines.

About

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.

  • Joined July 2025

Languages

  • EnglishAdvanced

Industry experience

  • Government
  • Software & Internet
  • Computers & Electronics
  • Energy & Utilities
  • Agriculture & Mining
  • Education
  • Professional Services
  • Other

More experts in San Fernando, Philippines

Projects · 1

A modern e-commerce platform built with Next.js, featuring product browsing, cart management, and responsive UI for a smooth shopping experience.

Please see the live site here:
https://www.twine.net/signin

StyleShop
  • Web Developer

Work experience· 4 roles

Software Developer Intern · City Information and Communication Technology OfficeDec 2025 – Aug 2025

Boosted 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 · FCI LondonAug 2025 – Nov 2025 · 4 mos

Designed, 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.

Web Developer -Internship · City Government of San Fernando, PampangaFeb 2024 – Jul 2025 · 1 yr 6 mos

Developed 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 · City Information and Communication Technology OfficeJan 2024 – Jan 2025 · 1 yr 1 mo

Education

Bachelor of Science in Information Technology · City College of San Fernando, Pampanga2020 – 2024
BS in Information Technology · City College of San Fernando Pampanga2021 – 2025
BS in Information Technology · City College of San Fernando Pampanga2021 – 2025

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