Senior JavaScript Developer

Toronto, ON
Hybrid
Posted Nov 10, 2026
1 position

$50–$55 / hour

Opens LinkedIn

Employment type: Contract
Experience level: Senior
Posting language: English
Office presence: 3 days per week
Application method: Apply on LinkedIn (LinkedIn sign-in required)

Job summary

Design, develop, and optimize ETL scripts to extract, transform, and load data from multiple source systems. Implement efficient data-fetching mechanisms, validate data quality, and ensure reliable handoff to downstream C# applications and processes.

Job details

Job Details: Job Title: Senior JavaScript Developer Location: Toronto, ON (Hybrid 2-3 days onsite) Duration: 06 Months contract with possibility of extension Pay Rate: 50-55/hour CAD on INC. Job Description: We are seeking a skilled Senior JavaScript Developer (5-8 years) with strong experience in Node.js and server-side JavaScript development to build and maintain data processing solutions. The candidate will design, develop, and optimize ETL scripts for extracting, transforming, and loading data from multiple source systems. They will be responsible for implementing efficient data fetching mechanisms, validating data quality, and ensuring reliable data handoff to downstream C# applications and processes. Required Skills: 1. Java Script 2. Node JS 3. Server-side JavaScript execution 4. ETL script development 5. Data fetching and handoff to C# processes

What you’ll do

Requirements

Requires 5–8 years of experience as a Senior JavaScript Developer, with strong Node.js and server-side JavaScript development experience. Candidates should have experience developing ETL scripts, fetching data, and handing it off to C# processes.