Enhance ETL Application with Advanced Features

I'm looking for a seasoned Nodejs and SQL developer who can help me take my existing ETL application to the next level.

Key Requirements:
- The main focus of this project will be adding new features to the existing ETL application.
- The new features specifically include robust data validation and error handling capabilities.

Simple application, all the features for the application will be provided. Person who has worked on similar application will be preferred. ( ETL type application )

Application will consume data from Zoho books and load it not a DB with some custom logic , which will then be used to show some custom analytics and reports.


The ideal candidate for this project should have:
- Prior experience in enhancing applications, particularly ETL applications.
- Proficiency in Nodejs and SQL.
- A solid understanding of data validation and error handling best practices.
- Experience with creating and integrating custom business connector applications.


NOTE: Describe the project worked on , else your application will be rejected instantly.