Contract jobs in Vaughan, Ontario

Find contract jobs in Vaughan, Ontario and nearby towns within 25 km. Read the full details and apply.

Newest first

Within 25 km of Vaughan

Added 18 mins ago
L&D Designer/Developer IV
Robertson & Company Ltd.
Toronto, ON
Added 18 mins ago
Scrum Master with AI Experience
Pacer Group
Toronto, ON
Added 18 mins ago
Product Owner With Backlog Management, Agile & Scrum Experience
BURGEON IT SERVICES
Toronto, ON
Added 18 mins ago
LL
Social Media Influencer
LEAP Legal Software
Toronto, ON
- $85,000 to $100,000 CAD / year
Added 18 mins ago
IO
Financial Specialist
Institute of Corporate Directors
Toronto, ON
- $65,000 to $75,000 CAD / year
Added 18 mins ago
AI
Program Manager
Avanciers Inc.
Toronto, ON
- $50 to $60 CAD / hour
Added 18 mins ago
IG
Senior AI Product Designer
Insight Global
Toronto, ON
- $60 to $67 CAD / hour
Added 18 mins ago
Technical Project Analyst
Bevertec
Toronto, ON
Added 33 mins ago
Professor - Wireless
Huawei Technologies Canada Co., Ltd.
Markham, ON
Added 49 mins ago
SailPoint IdentityIQ Lead/Developer
Zoho
Brampton, ON
Added 49 mins ago
IG
Digital Product Owner
Insight Global
Toronto, ON
- $72 to $80 CAD / hour
Added 49 mins ago
Red Team Engineer AND Penetration Tester
Zoho
Toronto, ON
Added 49 mins ago
Senior GCP Application Support Engineer
TekStaff IT Solutions
Toronto, ON
Added 1 hour ago
MR
Executive chef
Myth restaurant
Toronto, ON
- From $45 CAD / hour
Added 3 hours ago
RQ00825 - Network Designer - Senior
Maarut
Toronto, ON
Added 4 hours ago
Business Development Representative (2026-397-CP)
WoodGreen Community Services
Toronto, ON
Added 6 hours ago
AT
Business Systems Analyst
Aarorn Technologies Inc
Toronto, ON
- $60 CAD / hour
Added 6 hours ago
AT
Production Support Engineer
Aarorn Technologies Inc
Toronto, ON
- $55 CAD / hour
Added 6 hours ago
AT
GCP Data Engineer
Aarorn Technologies Inc
Toronto, ON
- $53 CAD / hour
Added 6 hours ago
Legal Counsel (Private Markets)
Toronto Lawyers Association
Toronto, ON
Added 7 hours ago
AT
Cloud Automation & DevOps Engineer
Aarorn Technologies Inc
Toronto, ON
- $50 CAD / hour
Added 7 hours ago
AT
Senior DevSecOps Engineer
Aarorn Technologies Inc
Toronto, ON
- $50 CAD / hour
Added 7 hours ago
AT
Java Full Stack & Identity Access Developer
Aarorn Technologies Inc
Toronto, ON
- $50 CAD / hour
Added 7 hours ago
A
Creative Delivery Specialist, Retail Marketing and Production [AQ-24243]
Aquent
Toronto, ON
- $29 to $35 CAD / hour
Added 7 hours ago
AT
Senior Java Full Stack Developer
Aarorn Technologies Inc
Toronto, ON
- $52 CAD / hour

Kelly

Javascript Developer

Toronto, ON, Canada

Contract

Within 25 km of Vaughan · About 22.9 km from the city centre

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Job details

Job type: Contract
Apply by: Nov 26, 2026
Experience: 8+ years of application development experience.
Posted: Oct 27, 2026

Original job description

Job Title: Senior React / JavaScript Developer

Location: Toronto, ON (3 days onsite per week)

Hiring Event: November 18–19

Role Overview: Seeking an Engineer to join its Unified Fixed Income Trade Processing (FITP) team. FITP is a global trading platform supporting derivatives, cash, exotics, and securities financing products, serving 3,800+ users and processing approximately 200,000 transactions daily. The role focuses on building scalable, high-performance UI applications, modernizing services, and enabling automated CI/CD pipelines.

Key Responsibilities

Design, develop, and maintain robust, scalable, and testable applications.
Build and enhance UI components using React, JavaScript, HTML5, and Node.js.
Collaborate with cross-functional teams to deliver new products, system enhancements, and process improvements.
Improve application performance, reliability, scalability, and testability.
Contribute to service modernization, CI/CD automation, and overall application architecture.
Establish coding, testing, debugging, and implementation standards.
Analyze complex technical and business problems and develop innovative solutions.
Mentor mid-level developers and ensure compliance with risk, security, and regulatory standards.

Required Skills & Qualifications

8+ years of application development experience.
Strong expertise in JavaScript, React, HTML5, and Node.js.
Solid understanding of web development, system design, application performance, and testing.
Experience working in large-scale, collaborative development environments.
Strong analytical, problem-solving, communication, and leadership skills.
Ability to manage priorities and drive technical improvements.

Nice to Have: Fixed Income domain knowledge, C#, and .NET Framework.

Education: Bachelor’s degree or equivalent experience required; Master’s degree preferred.

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More about this job

Responsibilities

Design, develop, and maintain scalable, high-performance applications and React-based UI components, while improving reliability, testability, and application architecture. Collaborate across teams on product enhancements and service modernization, automate CI/CD, establish engineering standards, and mentor developers while ensuring risk, security, and regulatory compliance.

Requirements

Requires 8+ years of application development experience and strong expertise in JavaScript, React, HTML5, and Node.js, along with knowledge of web development, system design, performance, and testing. A bachelor’s degree or equivalent experience is required, a master’s degree is preferred, and fixed income knowledge, C#, and .NET Framework are advantageous.

Skills

JavaScript
React
HTML5
Node.js
Application Development
Web Development
System Design
Application Performance
Testing
CI/CD Automation
Service Modernization
C#
.NET Framework
Fixed Income
Technical Leadership

Visa sponsorship

Not detected in the job text

Keywords

JavaScript
React
HTML5
Node.js
C#
.NET Framework
Fixed Income
Trade Processing
Derivatives
Cash Products
Exotics
Securities Financing
Scalable Applications
High-Performance UI
Application Architecture
Service Modernization
CI/CD
Automated Testing
Debugging
System Design
Application Performance
Reliability
Testability
Risk Compliance
Security
Regulatory Standards
Technical Mentoring

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