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Added 3 months ago
JA
Python Developer - QIS (Indexes)
Jay Analytix
Toronto, Ontario
- Contract
We are seeking a seasoned Python Developer with strong experience in Quantitative Investment Strategies (QIS) and index products to join our Toronto-based team. In this role, you will…
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
L
NetSuite SCM Engineer - Inventory, WMS & Fulfillment
Lime
Remote, Canada
- $102,000 to $143,000 CAD / year
- Full-time
- Remote
Demand Planning Synchronization: Support automated data connectors with Anaplan to help ensure reliable data synchronization for demand planning and forecasting models.
Added 1 month ago
NE
Junior Developer - Winter 2027 Co-op
Nexus Energy Inc.
Toronto, ON
- $20 to $22 CAD / hour
- Full-time
Support AI-related proof-of-concept projects, including data preparation, prompt engineering, workflow automation, and AI-powered application features.
Added 1 month ago
KT
Software Engineer in Test (ETL)
Kaizen Technologies
ON · Ontario, Canada
- Contract
The candidate should be hands-on with Python or Java development, automation framework design, SQL, ETL/ELT pipeline testing, API testing, CI/CD, and healthcare data. Experience with HL7,…
Added 1 month ago
JG
Gen AI (AWS) Developer
J&M Group
Toronto, ON
- Full-time
We are seeking a GenAI Developer with 5-8 years of experience in designing, developing, and deploying AI-driven solutions. The ideal candidate should have strong expertise in Generative AI,…
Added 1 month ago
DI
Test Automation Developer - Winter 2027 Co-op/Intern
Definity Insurance Company
Waterloo, ON
- Full-time
…with the validation and verification of software systems and data. Economical Insurance is seeking a technical Student in Quality Assurance to join us in this important…
Added 1 month ago
R
Director, DevOps Regulatory Engineering
RBC
Toronto, ON
- Full-time
Strong engineering background in CI/CD, DevOps tooling and cloud platforms, with hands-on experience in Java and Python
Added 1 month ago
A
Senior AI and Agentic Developer
Accenture
Ottawa, ON · Toronto, ON · Montreal, QC
- Full-time
As an Advanced AI, Large Language Model and Agentic AI Developer/Consultant, you will build production-grade AI applications that transform enterprise workflows. You will translate business…
Added 1 month ago
Compliance Analyst
Government of Alberta
Edmonton, AB
University graduation in a related field, preferably with a focus in science, technology, engineering, mathematics, data analytics, statistics, health administration, business…
Added 1 month ago
Senior Delivery Consultant - Connect and Lex, Amazon Connect Center of Delivery Excellence
Amazon
Toronto, ON
…architecture design, model selection and integration, prompt engineering, and data…
Added 1 month ago
T
Manager, Web & Mobile Delivery (Bilingual)
TVO
Toronto, ON
- Full-time
Set and uphold engineering standards and best practices (e.g., code reviews, testing, CI/CD, and accessibility), raising the bar for performance, reliability, security, and maintainability.
Added 1 month ago
JS
Senior Software Engineer, AI-Native Data Warehouse
Juniper Square
Remote, Canada
- Full-time
- Remote
Strong backend engineering experience with Python and frameworks such as FastAPI, Flask, Pyramid, or Django
Added 1 month ago
VS
Senior Reliability/Test Engineer
VIAVI Solutions
Ottawa, ON
- Full-time
Partner with R&D and Mfg. Engineering to develop contract manufacturing ready and reliable test systems, jigs & fixturing.
Added 6 months ago
PE
Senior Manager, Energy Intelligence & Data Systems
PowerON Energy Solutions
Toronto, Ontario
- Full-time
University degree in Engineering, Data Science, Mathematics, or a related field,
Added 6 months ago
TC
Unpaid Internship - ML Engineering
The Commons XR
Remote, Canada
- Remote
…interns. As such we are seeking unpaid interns who are pursuing Data Engineering professional experiences. Our company is about creating a platform for better social/emotional personal…
Added 6 months ago
V
Associate AI Software Engineer
VoiceValet
Vancouver, British Columbia
- $60,000 to $80,000 CAD / year
- Full-time
…our leadership team and senior engineers. This is hands-on engineering with immediate impact – features you ship will be used by real businesses within…
Added 6 months ago
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Specialist - Data Engineering
LTM
Ontario · Ontario, Canada
- $87,896 to $93,824 CAD / year
- Full-time
Follow enterprise standards for coding deployment and change management26 years of experience in Big Data Data Engineering roles
Added 6 months ago
L
Senior Product Engineer
LTM
Ontario · Ontario, Canada
- $75,163 to $79,609 CAD / year
- Full-time
Follow enterprise standards for coding deployment and change management26 years of experience in Big Data Data Engineering roles
Added 6 months ago
L
Senior Product Engineer
LTM
Ontario · Ontario, Canada
- $75,163 to $79,609 CAD / year
- Full-time
Follow enterprise standards for coding deployment and change management26 years of experience in Big Data Data Engineering roles
Added 6 months ago
S
Senior Platform Engineer
Scotiabank
Toronto, Ontario
- Full-time
…markets platforms. The successful candidate will have a strong engineering mindset and will work closely with Data Engineering, Cloud, and Architecture teams to deliver scalable, secure,…
Added 6 months ago
P&
Specialiste des solutions de donnees et des processus, Gestion des Fournisseurs de Reparations / Data and Process Solutions Specialist, Vendor Management
Pratt & Whitney
Longueuil, Quebec
- Full-time
…des opérations, à l’aide de divers outils (SAP, BW, Power BI, Python, SAS,…
Added 6 months ago
A
Senior Full-Stack Engineer - Production Planning
Afresh
Ontario
- $136,000 to $205,000 CAD / year
- Full-time
Collaborate with your engineering teammates to support thousands of grocery stores critical fresh food supply chains across the US.
Added 6 months ago
LI
Artificial Intelligence Engineer
LanceSoft, Inc.
Montreal, Quebec
- Contract
Pull data from APIs, documents, tickets, repositories, and architecture artifacts
Added 6 months ago
DI
kdb+ Developer (Relocation to New York)
Data Intellect
Toronto, Ontario
- Full-time
Data Intellect is a specialist data and technology consultancy with deep roots in capital markets. We build high-performance systems that power trading, risk, and analytics for some of the…

Jay Analytix

UI React Developer (QTS)

Toronto, ON, Canada

Contract

Apply About employer

Applications open in a new tab.

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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