On-Demand Payroll Microservice for Real-Time Unscheduled Payments

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Solution Overview

Problem

Traditional payroll systems are batch-based and do not support real-time or on-demand payroll calculations, leading to delays in processing unscheduled payments and difficulties in applying appropriate deductions and tax deposits.

Innovation Solution

An on-demand payroll microservice retrieves payroll information from a first set of microservices, performs calculations using a second set of microservices, and displays the results in near real-time, allowing for immediate approval and processing of unscheduled payments, utilizing a microservice architecture and machine learning for dynamic policy application.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If traditional batch-based payroll systems are used, then payroll processing follows a predetermined schedule, but employees cannot receive payments before the scheduled payday

Engineering Contradiction:
Improveflexibility of payroll timingVSAvoidwaiting time for employees
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The system transitions from static batch-based payroll processing to dynamic on-demand processing. The microservice architecture enables the payroll system to adapt its processing schedule in real-time based on employee requests, allowing payments to be initiated at any time rather than following a fixed predetermined schedule.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system performs preliminary payroll calculations and displays them to employees before final processing. This allows employees to review the calculations, approve them, and receive payment quickly without waiting for the next scheduled payroll cycle, effectively preparing the payment in advance of what would traditionally be the payday.

Inventive Principle:
Principle #10Preliminary action

2Productivity

If on-demand payroll processing is implemented, then employees can receive payments before scheduled paydays, but the system complexity increases

Engineering Contradiction:
Improvespeed of payroll processingVSAvoidsystem architecture complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The payroll system is divided into independent microservices that can be deployed and managed separately. This segmentation allows the system to handle on-demand requests without requiring complete system redesign, as each microservice can be optimized independently for its specific function while maintaining overall system productivity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

An intermediary layer is introduced between the user interface and the core payroll processing logic. This intermediary handles the complexity of on-demand processing, calculations, and approvals, shielding the rest of the system from direct exposure to the increased complexity while still enabling fast processing through the microservice architecture.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Measurement precision

If manual payroll processing is performed, then calculations can be customized for each employee, but the processing time and effort increase significantly

Engineering Contradiction:
Improveaccuracy of payroll calculationsVSAvoidtime required for calculations
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The system enables self-service payroll processing where employees can initiate their own payment requests and review their calculations before approval. This automated self-service approach maintains the precision of customized calculations while eliminating the manual time and effort previously required, as the system automatically performs calculations based on stored employee data and applicable payroll rules.

Inventive Principle:
Principle #25Self-service

4Loss of information

If on-demand payroll calculations are performed in real-time, then employees can see calculations immediately, but the computational resources required increase

Engineering Contradiction:
Improvevisibility of payroll calculationsVSAvoidcomputational resource consumption
Core Design Contradiction:
Loss of informationVSUse of energy by moving object

Solution Approach 1:

The system performs partial calculations first, displaying preliminary results to employees for review and approval before completing the full processing. This partial action approach provides immediate visibility of calculations to employees while conserving computational resources by only completing the full calculation and processing after approval is received, rather than performing all calculations regardless of whether they are needed.

Inventive Principle:
Principle #16Partial or excessive action

Data Source

PatentUS12430694B2On-demand payroll system and interface
Publication Date: 2025.09.30 ADP INC
  • US12430694B2 patent drawing
  • US12430694B2 patent drawing
  • US12430694B2 patent drawing

AI summary

A method, apparatus, system, and computer program product for processing an on-demand payroll request. In one illustrative example, an on-demand payroll microservice receives a request for an unscheduled payroll to an employee. The on-demand payroll microservice retrieves payroll information for the employee from a first set of microservices. The on-demand payroll microservice submits the payroll information to a second set of microservices for payroll calculations. In response to the second set of microservices completing the payroll calculations, the on-demand payroll microservice retrieves the payroll calculations through the first set of microservices. The on-demand payroll microservice displays the payroll calculations. In response to receiving approval of the unscheduled payroll, the on-demand payroll microservice submits the payroll calculations to the second set of microservices for payroll processing. In response to the second set of microservices completing the payroll processing, the on-demand payroll microservice displays a confirmation of the payroll processing.