Tax (VAT) Service

Solution summary

Application able to view outstanding VAT obligations, generate figures and submit quarterly VAT returns via the HMRC API on behalf of users with a Goverment Gateway login.

Component technologies

• The backend service is dotnet core C# using NancyFx web framework.
• The GUI client is built with React/Redux and managed with npm and webpack.
• Persistence is to Oracle database via EF Core.
• Continuous deployment via Docker container to AWS ECS using Travis CI.

Local running and Testing

C# service

• Restore nuget packages.
• Run C# tests as preferred.
• Run or debug the Service.Host project to start the backend. To interact with the HMRC API you'll need a client id and secret which can be obtained from their developer hub. They have a sandbox environment which allows you to interact with test data during development: https://developer.service.hmrc.gov.uk/api-documentation/docs/testing

Client

• npm install to install npm packages.
• npm start to run client locally on port 3000.
• npm test to run javascript tests.