Benz De Guzman
Senior Software Engineer building SaaS & business systems
New to Contra
Benz is ready for their next project!
TaxZed — Accounting SaaS for Philippine businesses
I designed and built TaxZed, a multi-tenant bookkeeping and accounting platform for Philippine businesses.
The system handles expense and revenue tracking, VAT calculations, accounting entries, monthly financial reporting, supplier management, accounting periods, and BIR-related records.
Built with Laravel, React, TypeScript, and MySQL, with a strong focus on financial data integrity and maintainable business logic.
TaxZed is currently in closed beta with real users entering bookkeeping data.
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Word Zoo — A word puzzle game built with Flutter & Flame
I designed and developed Word Zoo, a mobile word-guessing game where players progress through themed worlds, rescue animals, and defeat a villain by solving word puzzles.
The game includes 400+ levels across 10 worlds, progression and ranking systems, quests, daily rewards, cloud saves, ads, and in-app purchases.
Built with Flutter, Flame, Firebase, and Google Play services using an AI-assisted development workflow. I led the product vision, game design, technical direction, monetization, testing, and release process.
Word Zoo is currently in closed testing on Google Play.
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EPIC — Enterprise HR & Performance Management System
I worked on EPIC, an internal HR information system used to support employee and organizational workflows within a government department.
My work included developing the Performance Management System (PMS) module for employee performance reviews, implementing business rules and validation workflows, building reporting and filtering functionality, and designing the supporting MySQL database structure.
I worked across backend and frontend development using PHP, CodeIgniter, MySQL, JavaScript, Vue.js, and Bootstrap.
The project involved translating complex organizational processes into maintainable application workflows, approval states, data validation, reporting, and role-based functionality.
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MINT ERP — Enterprise Operations & Workflow System
I worked as the main backend developer on MINT ERP, an internal enterprise system designed to manage organizational structures, approval workflows, projects, and employees.
I developed backend functionality for organizational management, an e-approval/ticketing workflow, project management, Gantt chart functionality, and employee, department, and access-level management.
The system involved relational data modeling, business rules, workflow logic, calculations, and integration of frontend components with the backend.
Built primarily with PHP, CodeIgniter, MySQL, JavaScript, jQuery, and Bootstrap. The completed system was delivered and adopted for internal company use.
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