Web Application Development

ITS – INDIVIDUAL TAX SYSTEM

Tax

Customer from: Singapore.
Engagement model: fixed price.

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What The Client Required

Customer from: Singapore.

  • CRM integration.
  • Permission support to control fields visible, disable, or not for the different user roles.
  • IRAS (Inland Revenue Authority Of Singapore) integration: submit XML file to IRAS: IR21; Form B1.
  • Full Individual Tax Information - 16 Tax Questionnaire Sections for both Employee and Employer.
  • Tax Computation: Multiple formulas by configurable and export results to PDF files.
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Our Technologies

Specifically, the STS Software team utilized the following technologies for the project: 

  • .NET Core 2
  • jQuery DataTable
  • Entity Framework Core 2
  • Auto Mapper
  • Fluent Validation 
  • Hangfire (Background Job) 
  • Swagger: Gen and UI

Challenges

  • Many businesses inside.
  • Tax Computation needs 100% cover all cases and the exact amount.
  • Multiple currencies are supported.
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Solutions Image

Solutions

  • Follow exactly existing herd copy of Tax Questionnaires.
  • Refer to IRAS documents.
  • Currency Rate use API from Monetary Authority of Singapore (MAS) (http://www.mas.gov.sg/)
  • Do comparison testing to ensure tax computation result is correct.

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