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Added 11 days ago
Development Engineer (In Situ Facilities Development)
Suncor Energy
Calgary, AB
We are hiring a Development Engineer to lead facilities and business case development for Suncor’s In Situ growth projects, including ownership of the Design Basis Memorandum for major…
Added 11 days ago
Intermediate Mechanical Engineer - Mining and Industrial
Talencity Inc.
Thunder Bay, ON
process optimization, equipment selection, and mechanical system
Added 11 days ago
DC
Strategic Lead – Transportation Planning & Strategy
Dillon Consulting Limited
Guelph, ON · Hamilton, ON · Kingston, ON · Kitchener, ON · London, ON · Oakville, ON · Ottawa, ON · Toronto, ON · Vaughan, ON · Windsor, ON · North York, ON
- Full-time
…Transportation Planning & Strategy team. Designed for a planner or engineer with over 12 years of experience, this role carries a dual role: shape the market strategy to grow our…
Added 11 days ago
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Firmware Engineer
Solidigm
Vancouver, BC
- Full-time
Contribute directly to firmware and software development in C/C++, including design, implementation, debugging, and code reviews.
Added 11 days ago
NG
Mine Engineering Co-op
New Gold Inc.
Kamloops, BC
- Volunteer
Updating and issuing mine development and ventilation prints
Added 11 days ago
RI
IOS mobile testing
Raas Infotek
Vancouver, BC
- Contract
Looking for an SDET – Mobility (IOS) Engineer. The team is responsible for application architecture, development and innovation of new feature development to support consumer solutions. In…
Added 11 days ago
K
Javascript Developer
Kelly
Toronto, ON
- Contract
Solid understanding of web development, system design, application performance, and testing.
Added 11 days ago
Engineering Study Manager - PL#44559
Peter Lucas Project Management Inc.
Kamloops, BC
Strong understanding of multidisciplinary engineering design, project development, and study execution.
Added 11 days ago
PL
Engineering Study Manager - PL#44559
Peter Lucas
Kamloops, BC
- Full-time
Strong understanding of multidisciplinary engineering design, project development, and study execution
Added 11 days ago
KS
Engineering Manager - Industrial Automation & Power Systems
Kinetic Search Group
Vancouver, BC · Greater Vancouver Metropolitan Area
- $170,000 to $190,000 CAD / year
- Full-time
Its capabilities span low- and medium-voltage power distribution, variable frequency drives (VFDs), motor control centres (MCCs), programmable logic controllers (PLCs), industrial…
Added 11 days ago
S
Firmware Engineer
Solidigm
Vancouver, BC
- $116,480 to $174,800 CAD / year
- Full-time
Contribute directly to firmware and software development in C/C++, including design, implementation, debugging, and code reviews.
Added 11 days ago
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Senior Mill Projects Engineer
Artemis Gold - Blackwater Project
BC
- Other
Maintain a strong field presence and ensure all assigned work complies with company requirements and applicable health, safety, environmental, and regulatory standards.• Provide technical…
Added 11 days ago
BG
Lead Civil Engineer
Brandt Group of Companies
Zehner
- Full-time
Brandt Developments has a Lead Civil Engineer position available at our Regina, Saskatchewan location. This position is responsible for the design and approval of Civil Engineering works…
Added 11 days ago
DC
Intermediate Electrical Designer/Engineer
Danaher Corporation
Concord, ON · CAN - Concord - AB Sciex LP
- $90,000 to $103,000 CAD / year
- Full-time
The Intermediate Electrical Designer/Engineer is responsible for designing electrical hardware based on input requirements and support implementation and system integration activities while…
Added 11 days ago
DC
Senior Electrical Engineer/Designer
Danaher Corporation
Concord, ON · CAN - Concord - AB Sciex LP
- $111,333 to $122,500 CAD / year
- Full-time
The Senior Electrical Engineer/Designer is responsible for leading the end-to-end development of analog and high-voltage power-supply modules and subsystems for SCIEX instruments, from…
Added 11 days ago
Outside Sales Engineer – Heat Trace, Western Canada
Spirax-Sarco Ltd.
Canada
As the Outside Sales Engineer, you will support all aspects of the sales process, from qualifying new customers to cultivating relationships with existing customers to generating sales…
Added 11 days ago
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Senior Civil Engineer - Municipal Engineering
WSP
Kingston, ON
- Full-time
Municipal infrastructure is at the heart of thriving communities. As a Senior Civil Engineer - Municipal Engineering, you will lead the delivery of impactful infrastructure projects that…
Added 11 days ago
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Software Engineer III
TD
Toronto, ON
- Full-time
As a lead software engineer, you are accountable for shaping and delivering end-to-end solutions for enterprise-grade platforms and complex initiatives. You set technical direction, define…
Added 11 days ago
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Software Engineer II
TD
Toronto, ON
- Full-time
You are accountable for detailed design, development, testing and operational support within your assigned solution area. You contribute to engineering standards, automation and reusable…
Added 11 days ago
Quality Engineer
OP Mobility
Windsor, ON
Participate in PFMEA and Control Plan development in collaboration with Plant Quality Launch (PQL).
Added 11 days ago
M
Platform Engineer
Manulife
Toronto, ON · Waterloo, ON
- Full-time
We’re looking for a Platform Engineer who enjoys solving complex infrastructure challenges, improving developer experiences, and building secure, automated cloud environments. You’ll work…
Added 11 days ago
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Senior Product Manager
Litera
Toronto, ON · Canada-Toronto, ON-Office
- Full-time
Litera is committed to providing reasonable accommodations throughout the recruitment process. If you need an accommodation, please let us know and we’ll work with you to meet your needs.
Added 11 days ago
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Ingénieur analyste - Systèmes de contrôle / Engineer, Analyst - Control Systems
RTX
Longueuil, QC
- Full-time
Travailler en étroite collaboration avec les département de design de P&WC et d'autres fournisseurs de logiciels pour que le exigences de systèmes sont interprétées et appliquées comme…
Added 11 days ago
Energy Group Leader
Mott MacDonald
Calgary, AB
Working across Groups, Divisions, and the Unit, the Group Leader will build an accountable, collaborative, inclusive, and technically excellent culture; align workforce and succession plans…
Added 11 days ago
Electronics Engineer
QinetiQ
Medicine Hat, AB
As part of the Electronics Engineering Department the Electronics Engineer position is part of the overall team for the design, development, production, and operation of Uncrewed Vehicle…

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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