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Added 1 month ago
Senior Data/AI Engineer
Guidepoint
Toronto, ON
…integration of responsible AI and best-in-class MLOps. The Senior AI/ML Engineer will be a primary contributor to building scalable AI/ML capabilities using Databricks and other…
Added 1 month ago
VS
Senior Reliability/Test Engineer
VIAVI Solutions
Ottawa, ON
- Full-time
VIAVI, Ottawa Canada, Fiber Optic Lab & Production Test (FOPLT) Business Unit, has a need for a Senior Test Engineer with the experience and drive to make a difference. This position will…
Added 1 month ago
EB
Intern - Credit Risk, Winter 2027
EQ Bank
Toronto, ON
- Internship
The Credit Risk Intern will report to the Senior Manager of Credit Risk and work closely with Credit Risk Analysts, Associates, and Managers. While this role does not carry decision making…
Added 1 month ago
Senior Financial Analyst
Rogers Communications
Toronto, ON
The Senior Financial Analyst will be accountable for consolidation of RCI subscribers, performance management, market analysis, and continuous improvement on current processes. This…
Added 1 month ago
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Analyste BI senior
AtkinsRéalis
Montreal, QC
- Full-time
Join the Business Systems Team and help turn complex project data into clear, useful insights. As a Senior BI Analyst, you will work with project teams, business stakeholders and technology…
Added 5 months ago
QT
Senior Applied AI Engineer - Product & Revenue Systems
QEA Tech
Markham, Ontario
- Full-time
The ideal candidate is a senior hands-on builder who can work across product, engineering, sales, and business teams to identify high-impact AI opportunities, build working systems, and…
Added 5 months ago
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Senior Software Developer
Hive
Remote, Canada
- $123,600 to $187,900 USD / year
- Full-time
- Remote
Added 5 months ago
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Senior Backend Engineer (.NET & AI/ML)
Zonda
Toronto, Ontario
- $110,000 to $130,000 CAD / year
- Full-time
We are hiring a Senior Backend Engineer with strong .NET and AI/ML expertise to design and build scalable, high-performance backend systems and AI-powered features for NewHomeSource.com and…
Added 5 months ago
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Senior Backend Engineer (.NET & AI/ML)
Zonda
Montreal, Quebec · Greater Montreal Metropolitan Area
- $110,000 to $130,000 CAD / year
- Full-time
We are hiring a Senior Backend Engineer with strong .NET and AI/ML expertise to design and build scalable, high-performance backend systems and AI-powered features for NewHomeSource.com and…
Added 5 months ago
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Senior Backend Engineer (.NET & AI/ML)
Zonda
Vancouver, British Columbia
- $110,000 to $130,000 CAD / year
- Full-time
We are hiring a Senior Backend Engineer with strong .NET and AI/ML expertise to design and build scalable, high-performance backend systems and AI-powered features for NewHomeSource.com and…
Added 5 months ago
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MuleSoft Senior Developer- Enterprise
Slalom
Toronto, Ontario · Greater Toronto Area, Canada
- Full-time
Job Title: MuleSoft Senior Developer- Enterprise (For Vacant Role)
Added 5 months ago
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Computer Vision & Behavioral Signal Analysis Intern (Travel + Hospitality Focus)
FairwAI
Remote, Canada
- Remote
Experienced in Python-based ML and vision workflows
Added 6 months ago
KC
Senior Manager GRC
KPMG Canada
Toronto, Ontario
- Full-time
Our Technology Risk Consulting services team is growing and we are looking for Senior Manager to join our team in Toronto. The Technology Risk Consulting practice provides a variety of…
Added 5 months ago
SC
Intermediate Software Developer
SRC CAN
Ottawa, Ontario
- Full-time
SRC CAN Ltd is seeking an Intermediate Software Developer to contribute to the design, development, and delivery of next-generation EW Operational Support Systems (EWOSS) including…
Added 5 months ago
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Senior Frontend Engineer
Forma.ai
Toronto, Ontario
- $140,000 to $175,000 CAD / year
- Full-time
Reporting to the VP of Engineering the Senior Frontend Engineer will play a key role in building, evolving, and scaling Forma’s customer-facing and internal operations experiences.
Added 5 months ago
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Software Engineer, AI
Klue
Toronto, Ontario
- $92,000 to $119,000 CAD / year
- Full-time
This is a hands-on builder role. You'll ship code into our agent stack from week one , pairing with senior engineers, owning well-scoped pieces of larger projects, and growing into bigger…
Added 5 months ago
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Principal Data Scientist (m/f/d)
AutoTrader.ca
Toronto, Ontario
- Full-time
…and technical standards across the organization. - Act as a senior technical advisor, leading resolution of complex modeling issues and acting as the escalation point for critical…
Added 5 months ago
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Senior Design Engineer - Vehicle Systems
Multimatic
Markham, Ontario
- Full-time
The Vehicle Systems Department is currently seeking a Senior Design Engineer, with skills in complex systems integration and full vehicle system development. This role is suitable for…
Added 2 months ago
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Senior Software Developer (Burnaby)
Clio
Burnaby, BC · Vancouver, BC
- Full-time
We are currently seeking a Senior Software Developer to join our rapidly growing Engineering team. This role is for someone who is passionate about building innovative solutions and being…
Added 1 month ago
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Senior Software Developer (Java)
Open Text Corporation
Richmond Hill, ON
- Other
…deployment of multi-tenant SaaS applications. We are looking for a Senior Software Developer with a focus on Backend and AI development to join our platform development…
Added 2 months ago
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Senior Economist
Vancity
Vancouver, British Columbia
- Full-time
As a Senior Economist, you will play a critical role in shaping Vancity’s strategic direction by delivering high-quality economic research and insights. Working closely with the Chief…
Added 1 month ago
Senior - Decision Modelling (Toronto)
EY
Toronto, ON
As a Senior, you will play a key role in designing and delivering financial models and insights that directly inform management and investor decisions. Our work is highly commercial in…
Added 3 months ago
JA
UI React Developer (QTS)
Jay Analytix
Toronto, Ontario
- Contract
We are seeking a UI React Developer with strong Redux experience to join the Quantitative and Technology Services (QTS) team, developing, improving, and supporting strategic applications…
Added 3 months ago
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NetSuite SCM Engineer - Inventory, WMS & Fulfillment
Lime
Remote, Canada
- $102,000 to $143,000 CAD / year
- Full-time
- Remote
We are seeking a strong techno-functional Senior ERP Application Engineer to support the development, customization, and integration of our global Supply Chain Management (SCM) platforms.…
Added 1 month ago
KT
Software Engineer in Test (ETL)
Kaizen Technologies
ON · Ontario, Canada
- Contract
Job Title: Senior SDET / ETL Test Automation Engineer

Jay Analytix

UI React Developer (QTS)

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Experience: Experience: 7+ Years
Posting language: English
Posted: Jul 13, 2026

Original job description

UI React Developer (Redux)

Job Type: Contract

Duration: 1+ Year - Long Term

Location: Toronto, Ontario (Hybrid - 3 days in office)

Experience: 7+ Years

Only candidates with work authorization in Canada may apply.

What Is the Opportunity?

We are seeking a UI React Developer with strong Redux experience to join the Quantitative and Technology Services (QTS) team, developing, improving, and supporting strategic applications within the RAMPP (Risk, Analytics, Modelling, Pricing & Processing) organization. You will work with best-in-class front-end technologies to build applications that consume large quantities of data and present key metrics and statistics to Capital Markets business clients.

You will tackle complex problems and deliver robust, efficient, and strategic UI solutions with lasting impact on the RAMPP organization and Capital Markets businesses. Working closely with Capital Markets trading teams, you will help define project requirements, coordinate testing efforts, and provide implementation support. Excellent communication, organizational, and leadership skills are essential.

What Will You Do?

Code, test, debug, implement, and support real-time risk and PnL applications using React and Redux, serving a wide range of business units within the Capital Markets space
Design and build responsive, data-intensive user interfaces, including real-time intraday reporting and real-time visualizations
Manage complex application state using Redux, Redux-Observable, and RxJS to handle high-volume, real-time data streams
Analyze, debug, and resolve production issues related to data flows, application performance, system latency, and infrastructure/network outages
Collaborate with Capital Markets Trading and Quant teams through all stages of the software development lifecycle, eliciting and implementing business requirements and owning projects from inception to completion
Proactively identify operational risks, control deficiencies, and opportunities for automation to increase productivity and enhance user experiences
Demonstrate project implementations to key stakeholders, including senior management, executives, and wider QTS technology teams
Contribute to the internal UI sharing economy and the broader UI development community, supporting the overall vision of QTS' UI/UX strategy

What Do You Need to Succeed?

Must Have

Bachelor's or Master's degree, preferably in Computer Science or a related field
Strong hands-on experience with React 16+ and Redux in production environments
Experience with RxJS 6+ and reactive/functional programming patterns
Solid working knowledge of design patterns, data structures, algorithms, threading and concurrency, ES2020+, and front-end best practices
Experience building robust, scalable, test-driven front-end platforms utilizing modern HTML5 APIs and PWA techniques and technologies such as Web Workers, Service Workers, CacheStorage, IndexedDB, ES6 Proxies, and Sockets

Nice to Have

Experience working in the financial industry, ideally Capital Markets
Working knowledge of TypeScript 4+
Experience with Redux-Observable (Observables), Redux Toolkit, and state management at scale
Aptitude for UI design and building strong user experiences; experience with design tools is a bonus
Demonstrable knowledge of Cypress/Playwright and/or Jest for building robustly tested, test-driven products
Familiarity with DevOps tooling such as JIRA, Jenkins, Docker, and Kubernetes, including JavaScript build tools/pipelines such as Vite, Bun, Babel, Webpack 5, Rollup, and ESBuild
Working knowledge of functional architectures and related tools such as Lodash/fp and Ramda
Knowledge of OpenFin and Electron-based architectures
Experience with server-side development in Node.js, Java 11, or Python
Working knowledge of SQL and Solace
Familiarity with additional front-end frameworks, tools, and paradigms such as D3, GraphQL, MobX, React Query, and AG-Grid
Experience with Agile, Scrum, and Kanban methodologies
Quick learner with the aptitude to pick up new technologies and business knowledge
Highly motivated, able to work independently and effectively, with a collaborative attitude

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More about this job

Responsibilities

Develop and support real-time risk and PnL applications for Capital Markets using React and Redux. Design data-intensive user interfaces and collaborate with trading and quant teams to implement business requirements.

Requirements

Requires 7+ years of experience with strong proficiency in React, Redux, and RxJS. A degree in Computer Science or a related field is required, along with experience in functional programming and modern front-end APIs.

Skills

React
Redux
RxJS
JavaScript
HTML5
CSS
TypeScript
Redux-Observable
Cypress
Playwright
Jest
Node.js
Java
Python
SQL
Agile

Visa sponsorship

Not detected in the job text

Keywords

React
Redux
RxJS
Redux-Observable
TypeScript
HTML5
PWA
Web Workers
Service Workers
IndexedDB
Sockets
Cypress
Playwright
Jest
JIRA
Jenkins
Docker
Kubernetes
Vite
Webpack
Lodash
Ramda
OpenFin
Electron
Node.js
Java
Python
SQL
Solace
Agile

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