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Added 3 hours ago
AI
Sr. Project Coordinator
Avant Imaging & Information Management, Inc.
Toronto, ON · Scarborough, ON
- Full-time
We’re looking for a Senior Project Coordinator to own project governance, coordination and reporting for a full-scale ERP implementation, and to bring technical delivery discipline to our…
Added 4 hours ago
Developer
Insurance Corporation of British Columbia
North Vancouver, BC
…focus is primarily on operational support working with other senior Genesys engineering specialists, business users and teams in configuration changes, incident triage and support for this…
Added 4 hours ago
CS
Azure .Net Developer
Cyber Space Technologies LLC
Toronto, ON
- Contract
We are seeking a highly skilled Senior Azure Applications Developer with extensive experience in cloud-based application development, specifically within the Microsoft Azure ecosystem. In…
Added 4 hours ago
D
Software Engineer - Platform Engineering
Deloitte
Toronto, ON
- Full-time
reusable platforms, automation, developer productivity, and engineering standards. The ideal candidate
Added 4 hours ago
D
Junior Software Engineer
Deloitte
Toronto, ON
- Full-time
Develop and maintain features under guidance from senior engineers
Added 4 hours ago
SS
Senior Event Streaming Engineer (Kafka / Azure Event Hubs)
Syncredible Solutions
Canada
- Contract
We are seeking a hands-on Senior Engineer / Lead to design and implement an event-driven integration capability using Azure Event Hubs and Kafka-compatible interfaces.
Added 6 hours ago
Manager, Software Engineering
KEV Group
Toronto, ON
This is a senior engineering leadership role for someone who leads through other leaders, but still owns real technical ground. You will set technical direction for teams working in React,…
Added 8 hours ago
QC
Senior Software Engineer
Quarry Consulting
Canada
- Full-time
Experience in full-stack development (React/Angular, JavaScript, HTML, CSS, C#, .NET Core)
Added 16 hours ago
Senior Technical Delivery Manager - Web & Cloud Platforms
Rogers Communications
Toronto, ON
As Senior Technical Delivery Manager, you will build and lead high-performance engineering teams that deliver and run our Web, Services, Middleware and Cloud Native platforms. You will own…
Added 18 hours ago
NS
2627-215 - Business Analytics Developer (CL3) - Central Office
Nova Scotia Community College - NSCC
Halifax, NS
- Full-time
Reporting to the Senior Manager, Institutional Research and Effectiveness and as part of the Business Analytics Team, you will:
Added 20 hours ago
CS
Senior Technical Architect, Application Development & Support
Canadian Standards Association
Toronto, ON
- Full-time
Acts as lead developer and technical design authority for applications in scope, setting coding standards, design patterns, branching strategy, and definition of done for internal and…
Added 20 hours ago
IC
Frontend Developer
IT Connex
Toronto, ON
- Contract
Senior Software Engineer – React / JavaScript
Added 22 hours ago
SC
Senior Software Developer
Staples Canada
Richmond Hill, ON
- $73,900 to $92,400 USD / year
- Full-time
We are seeking a highly skilled Senior Software Developer to join our dynamic team. The ideal candidate will have extensive experience in C#, .NET, Web Services, WCF, Web API, Microsoft…
Added 23 hours ago
O
Sr. Software Developer
OpenText
Richmond Hill, ON
- Full-time
Extensive experience developing enterprise software, with strong proficiency in C#, .NET, ASP.NET Core, and RESTful APIs
Added 23 hours ago
K
Javascript Developer
Kelly
Toronto, ON
- Contract
Job Title: Senior React / JavaScript Developer
Added 23 hours ago
B
Database Administrator
Bevertec
Toronto, ON · Greater Toronto Area, Canada
- Contract
…application development and support (e.g., SharePoint, MS Teams, .NET MVC, Power Platform) and public-facing CMS websites…
Added 1 day ago
UT
.NET Developer # 26-27284
US Tech Solutions
Fredericton, NB
- $60 to $65 CAD / hour
- Contract
We are seeking an experienced Senior Programmer Analyst to support a healthcare technology team responsible for maintaining, enhancing, and optimizing critical healthcare applications. The…
Added 1 day ago
SI
Senior Software Developer
Staples Inc.
Richmond Hill, ON
- Full-time
We are seeking a highly skilled Senior Software Developer to join our dynamic team. The ideal candidate will have extensive experience in C#, .NET, Web Services, WCF, Web API, Microsoft…
Added 1 day ago
A
Sr. Project Coordinator
AIIM
Toronto, ON · Scarborough, ON
- Full-time
We’re looking for a Senior Project Coordinator to own project governance, coordination and reporting for a full-scale ERP implementation, and to bring technical delivery discipline to our…
Added 1 day ago
LH
2600001909 - Sr. Digital Solutions Developer
Lakeridge Health
Whitby, ON
- Internship
The Senior Digital Solutions Developer is responsible for the design, development, implementation, governance, and optimization of enterprise digital solutions that support organizational…
Added 1 day ago
W
Programmer Analyst II
Workiy
NB · Fredericton North, New Brunswick
- Contract
Support .NET-based applications and patient registry systems.
Added 1 day ago
XI
Senior .NET / Full Stack Developer
XTM International
Remote, Canada
- Full-time
- Remote
We are looking for a Senior Full Stack Developer who works AI-first: someone who uses AI tools and AI-driven development methods as a natural part of how they build software, and who helps…
Added 1 day ago
X
Senior .NET / Full Stack Developer
XTM
Montreal, QC
- Full-time
We are looking for a Senior Full Stack Developer who works AI-first: someone who uses AI tools and AI-driven development methods as a natural part of how they build software, and who helps…
Added 1 day ago
D
Senior Full-Stack Developer: AI, Data & Analytics - AIDA (Toronto/Calgary)
Deloitte
Toronto, ON
- Full-time
Write clean, maintainable and tested code; participate in code reviews, debugging, documentation and deployment activities while learning from senior developers and technical leads.
Added 1 day ago
LI
Sr. Application Developer/Team Lead
Livingston International
Toronto, ON
- $100,000 to $115,000 CAD / year
- Full-time
The Senior Developer/Team Lead will be instrumental in guiding technical direction and fostering a culture of excellence. This pivotal role will also involve championing and driving the…

Kelly

Javascript Developer

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 26, 2026
Experience: 8+ years of application development experience.
Posting language: English
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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