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Enterprise HRM
HR Management System
115+ RBAC permissions, dynamic leave calculation, automated workflow orchestration for 100+ employees.
PHP 8MySQLPHPUnit
Overview
Enterprise HR management system with 13 modules, handling leave management with real-time accrual calculation, multi-step approval workflows, and 115+ granular RBAC permissions. Built on custom PHP 8 framework with PSR-4 autoloading across 162 files, with 85% test coverage via PHPUnit.
Hard Problems
Challenge
Real-time leave calculation across multi-year histories with policy changes.
Solution
On-demand calculation engine generating date ranges, fetching attendance, computing accruals with session-level caching.
Challenge
115+ granular permissions without per-request performance degradation.
Solution
Database-driven permission system with session cache and batch permission checks.
Key Decisions
| Decision | Chose | Over | Because |
|---|---|---|---|
| Leave calculation | Dynamic on-demand | Batch pre-computation | Real-time accuracy, eliminates sync delays, handles retroactive policy changes. |
Tech Stack
languages
PHP 8.xSQLJavaScript
frameworks
PSR-4 Custom Framework
data
MySQL 8
tools
ComposerPHPUnitDOMPDFPHPMailerPhpSpreadsheet