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JI
Plumbing Specialist
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- Full-time
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Product Support Technician (Maple Ridge BC)
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JG
Senior JavaScript Developer
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- Contract
We are hiring for a Senior JavaScript Developer. This role focuses on server-side JavaScript development and data processing solutions.
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TI
Sr. Javascript Developer
Themesoft Inc.
Toronto, ON
- Contract
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.…
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Senior JavaScript Developer (Node.js)
Themesoft Inc.
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Executive Assistant
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Senior Java API Developer (Spring Boot / AWS / Kafka)
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Proposal Manager
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Manager, Sales – SmartRock North America
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Senior QA Engineer Position for Xsolla's Smart Wallet in Web3
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Full Stack Software Engineer
Blanc Labs
Toronto, ON

Themesoft Inc.

Senior JavaScript Developer (Node.js)

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 28, 2026
Posting language: English
Posted: Oct 29, 2026

Original job description

Position: Senior JavaScript Developer (Node.js)

Location: Toronto, On - Hybrid

Job Description/ Responsibilities

We are seeking a skilled Senior JavaScript Developer 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.

Skills

Java Script

Node JS

Server side JavaScript execution

ETL script development

Data fetching and handoff to C# processes

Key Responsibilities

Design, develop, and maintain server-side applications using Node.js and JavaScript.
Build and optimize ETL (Extract, Transform, Load) scripts for processing large volumes of data.
Develop efficient data extraction and fetching mechanisms from multiple data sources.
Perform data transformation, cleansing, and validation to ensure data quality and integrity.
Facilitate reliable data handoff and integration with downstream C# applications and services.
Troubleshoot and resolve performance, scalability, and data-processing issues.
Collaborate with cross-functional teams, including application developers, architects, and business stakeholders.
Implement best practices for coding, testing, deployment, and monitoring of data pipelines.
Ensure compliance with security, governance, and enterprise development standards.

Regards

Patrick Fernandez

Talent Acquisition Group - Strategic Recruitment Manager

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More about this job

Responsibilities

Design, develop, and optimize Node.js server-side applications and ETL scripts to extract, transform, validate, and process data from multiple sources. Ensure reliable data handoff to downstream C# applications while troubleshooting pipeline issues and collaborating with cross-functional teams.

Requirements

The role calls for strong experience with JavaScript, Node.js, server-side JavaScript development, and ETL script development. Candidates should be able to build efficient data-fetching mechanisms and support reliable data handoff to C# processes.

Skills

JavaScript
Node.js
Server-Side JavaScript
ETL Script Development
Data Extraction
Data Fetching
Data Transformation
Data Cleansing
Data Validation
Data Quality
C# Integration
Data Pipelines
Performance Optimization
Scalability
Testing
Monitoring

Visa sponsorship

Not detected in the job text

Hiring contact

Patrick Fernandez

Keywords

JavaScript
Node.js
Server-Side Development
ETL
Extract, Transform, Load
Data Processing
Data Extraction
Data Fetching
Data Transformation
Data Cleansing
Data Validation
Data Quality
Data Integrity
C#
Data Integration
Data Pipelines
Performance Optimization
Scalability
Troubleshooting
Coding Best Practices
Testing
Deployment
Monitoring
Security
Governance
Enterprise Development Standards
IT Services
IT Consulting

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