Senior JavaScript Developer

@ J&M Group

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Toronto, Ontario

Contract

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SIGNALS

Requirements summary:

The ideal candidate has strong experience with JavaScript, Node.js, ETL scripting, and data integration with C# applications.
5 8 years of JavaScript development experience
Strong hands-on experience with Node.js and server-side JavaScript execution
Experience developing ETL scripts for data extraction, transformation, and loading
Experience with data fetching, validation, and quality checks
Knowledge of data handoff and integration with downstream C# applications

Source and dates

Source type not verified · apify-linkedin

Employer posting date: 2026-10-28
First seen by our source: 2026-11-11
Source record updated: 2026-11-11

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

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J&M Group

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Open jobs on Jobsy	24

Job description

We are hiring for a Senior JavaScript Developer. This role focuses on server-side JavaScript development and data processing solutions.

The ideal candidate has strong experience with JavaScript, Node.js, ETL scripting, and data integration with C# applications.

What You Bring

5 8 years of JavaScript development experience
Strong hands-on experience with Node.js and server-side JavaScript execution
Experience developing ETL scripts for data extraction, transformation, and loading
Experience with data fetching, validation, and quality checks
Knowledge of data handoff and integration with downstream C# applications

What You'll Do

Build and maintain data processing solutions
Develop and optimize ETL scripts across multiple source systems
Implement efficient data-fetching mechanisms
Validate data quality and ensure reliable data transfer to C# processes

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Requirements summary:

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