Enterprise HR Management SaaS
Streamlining employee data and HR processes
Engineered a comprehensive HR management SaaS platform, focusing on core functionalities like employee records, leave management, and payroll. A key initiative involved migrating the database from MongoDB to PostgreSQL, significantly improving query performance and data integrity.
Role
Full Stack Engineer
Industry
Human Resources Management
Year
2023
Duration
8 months
At a Glance
MongoDB to PostgreSQL
Database Migration
65% Faster Queries
Performance Gain
Granular RBAC
Access Control
Set-based SQL
Reporting
The Problem
What needed solving
The existing HR platform suffered from performance issues due to its NoSQL database, hindering complex reporting. Additionally, the lack of a robust role-based access control system limited security and user experience customization.
The Approach
How I built it
Migrated database from MongoDB to PostgreSQL to improve query performance and data integrity.
Developed a granular Role-Based Access Control (RBAC) system for HR Managers, Employees, and Admins.
Implemented set-based SQL reporting to replace inefficient in-memory aggregations.
Built core HR functionalities including leave management and payroll processing.
Utilized TypeScript for enhanced backend and frontend code quality.
Tech Stack
Tools used on this project
Frontend
Backend
Database
Outcomes
Results that matter
Query Performance Improvement
65%
Achieved via MongoDB to PostgreSQL migration and SQL optimization.
Reporting Efficiency
Significant
Enabled by set-based SQL reports replacing in-memory aggregation.
Security Enhancements
High
Through comprehensive RBAC implementation across user roles.
Lessons
What I took away
- →Database migration requires meticulous planning and validation.
- →RBAC is fundamental for secure and user-friendly enterprise applications.
- →Relational databases excel at structured data reporting and complex queries.
- →TypeScript significantly enhances maintainability and reduces bugs in large codebases.
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