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Added 4 mins ago
AI
Technical Lead - Java
Avanciers Inc.
Toronto, ON
- $60 to $65 CAD / hour
- Contract
…enterprise applications using Java, Microservices, Event-Driven Architecture, SQL, and Azure Kubernetes Service (AKS). The ideal candidate will drive architecture decisions, define…
Added 4 mins ago
AI
Python Developer
Apptoza Inc.
Toronto, ON
- Full-time
Bachelor's degree in a relevant discipline. Cloud, Kubernetes, AI engineering, MLOps, data engineering, architecture, or security certifications are preferred.
Added 4 mins ago
RI
Senior Forward Deployed Engineer - Java/ Python | Capital Markets
Rose International
Mississauga, ON
- Full-time
Knowledge of secure coding practices, auditability, enterprise security controls, and regulatory compliance for financial data.
Added 4 mins ago
ES
Identity Management Consultant
Epsilon Solutions Ltd.
Montreal, QC
- Full-time
Ensure compliance with security standards and industry best practices.
Added 4 mins ago
RI
Senior Full-Stack Java Developer (Kafka/ Angular)
Rose International
Mississauga, ON
- Full-time
Strong understanding of microservices architecture and distributed systems.
Added 4 mins ago
ES
GEN AI Developer
Epsilon Solutions Ltd.
Mississauga, ON
- Contract
Ensure security, compliance, and responsible AI usage in all GenAI implementations.
Added 4 mins ago
RT
Java Full Stack Microservice Developer
Reveille Technologies,Inc
Vancouver, BC
- Full-time
 Deep experience with Kafka for event-driven architecture and asynchronous
Added 4 mins ago
RI
Senior Software Development Engineer in Test (SDET)
Rose International
Mississauga, ON
- Full-time
AWS / GCP Cloud Architecture or Developer Certifications.
Added 4 mins ago
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Senior Product Manager - SOTI Connect
SOTI
Mississauga, ON
- $120,000 to $140,000 CAD / year
- Full-time
Good technical knowledge of IP related networks, architecture, design and management as it relates to telecommunications and managed hosting industries
Added 5 mins ago
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Lead Business Consultant, Enterprise Data Management & Data Integration
SimCorp
Toronto, ON
- Full-time
Work closely with clients to understand their business requirements, operating model, data architecture, and integration needs, and translate these into practical solutions that support the…
Added 5 mins ago
T
Senior Business Analyst - Enterprise Data Management Office (EDMO)
TD
Toronto, ON
- Full-time
The role partners with product, business, engineering, architecture, data governance, risk, control, and platform teams to translate strategic priorities into clearly defined outcomes,…
Added 5 mins ago
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Senior Product Manager, Product Security
Litmus
Toronto, ON
- Full-time
Conduct hands-on vulnerability assessments, security investigations, and architecture reviews across applications, APIs, Linux systems, containers, and infrastructure.
Added 19 mins ago
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Firmware Engineer
Solidigm
Vancouver, BC
- Full-time
…(SSD). You will utilize and grow your experience in embedded architecture, external interfaces, and product constraints. You will coordinate the technical and tactical aspects of the…
Added 20 mins ago
GD
Systems Engineering Analysts - Working level
General Dynamics Missions System International
Calgary, AB
- Full-time
…engineering technology - we’re shaping the future of defence and security. Our teams design and deliver advanced, mission-critical solutions that enhance national security, strengthen…
Added 20 mins ago
GD
Senior Human Factors Engineering Analyst
General Dynamics Missions System International
Ottawa, ON
- $110,000 to $138,000 CAD / year
- Full-time
…engineering technology - we’re shaping the future of defence and security. Our teams design and deliver advanced, mission-critical solutions that enhance national security, strengthen…
Added 20 mins ago
AC
Specialist, Product Delivery - Temporary
Air Canada
Dorval, QC
- Full-time
Coordinate readiness across Product, Engineering, Architecture, QA, Cybersecurity, Operations, Implementation, Business, and external partner teams.
Added 35 mins ago
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AI & Cloud Resiliency Architect
Raas Infotek
Toronto, ON · Scarborough, ON
- Contract
The role is focused on application and system architecture, defining resiliency standards, reference architectures, and engineering best practices across AWS, Generative AI, Agentic AI, and…
Added 35 mins ago
O
Sr. Software Developer
OpenText
Richmond Hill, ON
- Full-time
Experience testing and troubleshooting AI integrations, with attention to output quality, security, performance, and cost
Added 35 mins ago
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Solutions Architect
Kelly
Toronto, ON
- Contract
Job Title: Senior Solution Architect – Azure Application Architecture
Added 35 mins ago
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Senior DevOps Engineer (Azure Infrastructure & Platform)
Randstad Digital
Toronto, ON · Greater Toronto Area, Canada
- Full-time
…end-to-end ownership of how cloud infrastructure, secure network architecture, and containerized platforms are architected, provisioned, and scaled across Azure (primary) and…
Added 35 mins ago
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Senior SDET / Quality Engineering Lead/Architect
Droisys
Brampton, ON
- Contract
Collaborate with Product, Architecture, and Engineering for test planning, release coordination, and risk assessment.
Added 35 mins ago
MS
DevOps Manager
Motorola Solutions
Vancouver, BC · BC · British Columbia,CAN Offsite
- Full-time
Motorola Solution’s Video Division is defining the future of the security industry through innovative end-to-end-solutions. We’re changing the landscape of the surveillance industry through…
Added 50 mins ago
FC
Senior DevSecOps Engineer
Fintel Connect
Vancouver, BC
- Full-time
Strong hands-on experience with AWS cloud services, infrastructure, security architecture, and AWS security services.
Added 1 hour ago
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Javascript Developer
Kelly
Toronto, ON
- Contract
Contribute to service modernization, CI/CD automation, and overall application architecture.
Added 1 hour ago
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Senior Portfolio & Program Manager, Operational Technology & Engineering
Equinix
Toronto, ON
- Full-time
…does not replace technical owners: engineering owns design, architecture, and engineering acceptance, while this role owns portfolio governance, integration, and transition to operations,…

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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