Trisvan Glenn Leyesa
Senior Full Stack Web Developer
Senior Full Stack Engineer with 8+ years specializing in utility management and manufacturing systems. Experienced in architecting end-to-end solutions using Laravel, React, and Node.js - from replacing manual workflows with scalable digital systems to stabilizing production deployments across multiple enterprise clients.
Tech Stack
Experience
Full Stack Web Developer
CurrentM.A. Technology Inc.
July 2022 - Present
- • Architected and led full-stack development of a digital production tracking system, replacing manual checksheets across manufacturing operations and eliminating encoding errors.
- • Redesigned legacy manufacturing workflows and system architecture, improving process traceability and reducing manual data entry.
- • Diagnosed deployment failures and reconfigured IIS/Nginx environments, stabilizing production releases and reducing downtime incidents.
- • Improved system reliability by optimizing backend queries and refactoring legacy code.
Software Engineer
Gzonetech Inc. (Affiliated company)
January 2021 - July 2022
- • Led development and modernization of 5 critical UMS modules - Customer, Billing, Work, Collection, and Field - improving system stability for utility clients.
- • Served as technical point of contact for production issues and deployment coordination across IIS environments for multiple client installations.
- • Improved application stability through backend refactoring and structured validation logic.
Software Engineer
Utility Solutions Inc.
May 2020 - December 2020
- • Maintained and enhanced core UMS modules used by utility clients, resolving production issues affecting billing and operational workflows.
- • Optimized MySQL queries to improve report generation performance.
- • Assisted in client system integrations and data synchronization processes.
Associate Software Engineer
Fieldtech Specialist Inc.
June 2017 - February 2020
- • Implemented new features and resolved bugs in the UMS platform under senior supervision; maintained Customer and Billing modules.
- • Contributed to development of a web-based audit dashboard supporting field store inspections, GPS coordinate visualization, and client API integrations.
- • Supported database updates and legacy code adjustments.
Projects
UMS (Utility Management System)
Full-stack web system deployed across multiple enterprise clients including MORE POWER, MLWD, and MERALCO ECOZONE. Led development and modernization of 5 core modules - Customer, Field, Billing, Work, and Collection Management - integrating UMS with external client systems and optimizing MySQL queries to significantly reduce report generation time.
Video shows a publicly available demo from my previous company. I contributed as a Full Stack Developer.
Production Process Checksheet System
Architected and led full-stack development of a digital recording system for manufacturing processes, replacing manual checksheets and eliminating data inconsistencies. Designed validation logic to prevent out-of-sequence station processing, built backend safeguards against duplicate data generation, and implemented structured audit logging for full production traceability.
Audit Admin / Dashboard System
Developed a web-based audit administration dashboard to manage and visualize retail store inspection data. Built reporting and analytics modules to monitor product compliance and field audit performance. Implemented field personnel tracking by consuming GPS coordinate data and visualizing locations via Google Maps API. Developed backend APIs for audit submissions and integrated secure APIs to transmit consolidated results to client systems.
Get In Touch
I'm always open to discussing new projects and opportunities.