I build clean, working systems — from backend logic to the pixels you click on.
Background:
Full Stack System Developer (OJT), Seiwa Kaiun Philippines, Inc. — built internal evaluation and leave management systems end-to-end, handling backend logic, database design, and frontend interfaces. BS Computer Science graduate, Cavite State University (Consistent President's Lister). Former President, CS Student Organization; Vice President, CEIT-SC Committee on External Affairs; Member, CEIT Student Council Board of Directors.
What I Build:
Full stack web apps with React JS, Node.js, Express.js, and PHP
Frontends styled with Tailwind CSS and Bootstrap
Databases and backends on MySQL, Firebase, and Supabase
REST APIs with JSON/AJAX data flows
Mobile apps with React Native
Internal tools that replace manual, paper-based workflows (leave filing, evaluations, duty scheduling, inventory tracking)
Proof of Work:
SYNC Mobile App — social media app for CvSU students, built with React Native and Supabase for secure connections and collaboration
SKPI Performance Evaluation System — automates multi-level employee evaluations with role-based access and notifications
SKPI Online Leave Management System — digital leave filing and approval system replacing manual workflows for SKPI
ConTrackr — database management system tracking procurement, delivery, and inventory of construction materials across multiple project sites
BuildCheck Monitor — web/mobile system for recording and monitoring construction site inspections and time logs
Seismoscan — digitizes the FEMA P-154 seismic screening process into a single data collection, computation, and reporting platform
Oreyeza — detects nutrient deficiency in rice plants through leaf image analysis
Beverly Homes Household Tracker — digitizes household records for a residential subdivision
CEIT-SC Duty Tracker & Official Website — automates officer shift scheduling and hosts the college's Student Handbook and Citizens' Charter
Tech Stack:
Frontend: React JS, HTML5, CSS3, JavaScript, Tailwind CSS, Bootstrap
Backend: Node.js, Express.js, PHP
Database: MySQL (phpMyAdmin), Firebase, Supabase
Tools: Git, GitHub, XAMPP, REST API development, JSON/AJAX
Other: System design, Agile development, debugging & troubleshooting
Certifications & Training:
Laravel Workshop (FWDP), PUP-TPG Tech Career Adventure, CS Expo 2023, and an international AI/energy management & M&V seminar (Universiti Teknologi MARA, Malaysia).
Based in Indang, Cavite, Philippines. Open to full-time or freelance full-stack developer roles.
I write clean code, learn fast, and I finish what I start.
Portfolio: -----------lify.app
LinkedIn: Railey Andrei Acosta
GitHub: eireneinc<8efe80624d780eba0c6493ec45140364>Email: -----------
