Backend Developer – Payroll System

3 days ago

Manila, National Capital Region, Philippines GA HR Consultancy Inc. Full time ₱900,000 - ₱1,200,000 per year
About the Role

GA HR Consultancy Inc. is seeking a freelance Backend Developer to build the backend infrastructure of a cloud-based Payroll System.

You'll design and implement secure, efficient, and scalable APIs that handle payroll logic, employee data, and financial records — forming the backbone of the entire HRIS platform.

Responsibilities
  • Build and maintain backend modules for payroll processing and reporting.
  • Develop computation logic for salaries, overtime, bonuses, deductions, and tax.
  • Implement integrations for government contributions and remittance reports.
  • Create secure RESTful APIs for frontend and admin dashboards.
  • Design database schemas for employee, payroll, and accounting data.
  • Ensure accuracy, data integrity, and compliance with Philippine labor laws.
  • Conduct testing, debugging, and performance optimization.
  • Collaborate asynchronously with the frontend and product teams.
Qualifications
  • Proven experience as a Backend Developer for SaaS or payroll-related platforms.
  • Proficient in , Python (Django/FastAPI), or Go.
  • Strong understanding of SQL databases (PostgreSQL/MySQL).
  • Familiarity with Philippine payroll rules and compliance requirements.
  • Experience with API development, authentication (JWT/OAuth2), and secure data handling.
  • Knowledge in containerization (Docker) and cloud deployment (AWS/Azure) is an advantage.
  • Reliable, detail-oriented, and capable of working independently.
Deliverables
  • Functional payroll computation engine.
  • Database schema and migration scripts for payroll and employee data.
  • API endpoints for payroll generation and government reports.
  • Technical documentation for backend setup and integration.
  • Optional deployment configuration (Docker or AWS).
What We Offer
  • Opportunity to build a real-world payroll product with direct market impact.
  • Clear scope and deliverables for each milestone.
  • Fully remote, flexible freelance engagement.
  • Long-term partnership potential for extended HRIS modules.

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