OpsPeoples
Platform

Five engines carry the hard parts of HR

The domain complexity lives in dedicated engines rather than scattered scripts, so behaviour is predictable and rules stay configurable.

Payroll engine

  • Annualised progressive tax from a configurable bracket table
  • Mid-month proration on actual vs expected hours
  • Overtime valued on prorated basic or full salary
  • Deductions capped at a configurable percent of gross (default 70%)
  • Future-month and duplicate-run locks, plus full reversal

Leave engine

  • Three-level approval: Manager → HR → CEO
  • Configurable rule for when CEO sign-off is required
  • Probation-aware eligibility and accrual
  • Duplicate-request prevention and advance-notice rules

Attendance engine

  • Auto-checkout and grace-period auto-absent marking
  • Separate handling for part-time and exempt full-time staff
  • Correction workflow with an auditable ledger
  • Biometric device records feed in automatically

Claims, advances & commission

  • Claims flow Employee → Manager → Accounts
  • Loans disburse then repay by monthly instalment
  • Auto-completion at zero balance
  • Approved deals aggregate into the payroll run

Technology stack

Built on a mature open-source framework that already powers ERPNext — a large developer and hosting ecosystem, not a bespoke unsupported stack.

Application framework

Frappe v15 (Python 3.12)

Database

MariaDB (MySQL-compatible)

Hosting

Single bench-deployed Frappe site

Authentication

Frappe sessions with CSRF enforced

Scheduling

Native Frappe scheduler via hooks.py

File storage

Built-in file manager for payslips & docs

A modular backend, on purpose

The original monolith was decomposed into 15+ focused modules, so extending or re-skinning one feature touches one file — not the whole codebase.

attendance_api.pyCheck-in/out, corrections, attendance scheduler
leave_api.pySubmission, approval, accrual, probation checks
payroll_api.pySingle/bulk runs, breakdowns, overtime, deductions
employee_crud.pyEmployee create / update / delete / list
organisation_api.pyOrg tree, departments, designations
auth_api.pyLogin, password reset, CSRF token issuance
reports_api.pyAttendance, leave and payroll summary reports
asset_api.pyAsset CRUD, depreciation, assignment
accounts_api.pyBank advice export, compliance, asset disposal
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