NestJS + TypeScript

Only for registered members Canada

1 week ago

Default job background
$50 - $0 (USD) budget

Job summary

We're looking for an experienced NestJS / backend developer to enhance our bulk import system for holiday data via Excel or CSV files. The goal is to build a robust, user-friendly file upload API that validates data thoroughly before saving it to the database.

Responsibilities

  • Implement a secure file import system with strong data validation
  • Validate required columns and detect duplicate or incorrect headers
  • Skip empty rows and return clear, rowlevel validation errors
  • Maintain data integrity by restoring softdeleted holidays instead of creating duplicates
  • Normalize country and state values to prevent inconsistencies and repeated records
  • Provide downloadable Excel/CSV templates with correct formatting and example data
  • Document all API endpoints using Swagger/li.Enforce rolebased access control across all endpoints

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