Abdul Rehman

Full-Stack Developer

Promtech • Vollzeit

Jul 2025 - Jul 2026 • 1 yr

Responsibilities included designing and developing full-stack business applications, with a strong focus on database architecture, SQL-based reporting, backend development, and frontend implementation. Developed and optimized 65+ HR & Payroll reports using SQL queries and stored procedures, including reports validated against real client data, while also developing frontend interfaces for master-detail and listing reports. Restructured and redesigned database architectures to support configurable payroll structures, attendance, leave management, employee lifecycle, recruitment, performance evaluation, and other HR workflows based on varying client requirements. Developed and implemented Fixed Assets functionality covering asset addition, transfer, disposal, depreciation, and accounting integration, along with a Performance Appraisal system based on business requirements and workflow analysis. Responsibilities also included migrating 600+ employee records with 4 years of historical data from legacy databases, maintaining production data consistency, and independently designing and developing a complete Employee Self-Service (ESS) portal for employee access to HR-related information and requests.