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Added 5 months ago
A
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 1 month ago
Senior - Decision Modelling (Toronto)
EY
Toronto, ON
Exposure to coding languages such as VBA, Python or SQL (considered an asset but is not required)
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
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
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
R&
Senior Actuarial Analyst, Property & Casualty
Robertson & Company Ltd.
Toronto, ON
- Full-time
Strong programming and analytical capabilities, ideally including Python and SQL; experience with PySpark is beneficial.
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 6 months ago
V
Associate AI Software Engineer
VoiceValet
Vancouver, British Columbia
- $60,000 to $80,000 CAD / year
- Full-time
You'll work on real production voice AI systems from day one, with mentorship from our leadership team and senior engineers. This is hands-on engineering with immediate impact – features…
Added 6 months ago
L
Senior Product Engineer
LTM
Ontario · Ontario, Canada
- $75,163 to $79,609 USD / year
- Full-time
Perform data transformations aggregations and validations using Spark SQL DataFrames
Added 6 months ago
L
Senior Product Engineer
LTM
Ontario · Ontario, Canada
- $75,163 to $79,609 USD / year
- Full-time
Perform data transformations aggregations and validations using Spark SQL DataFrames
Added 6 months ago
S
Senior Platform Engineer
Scotiabank
Toronto, Ontario
- Full-time
GBME is searching for a Senior Platform Engineer who is a continuous learner and is eager to boost the capabilities of capital markets platforms. The successful candidate will have a strong…
Added 3 months ago
T
Technical Product Owner - AI & Machine Learning Solutions
TD
Remote, Canada
- Full-time
- Remote
Strong technical proficiency in Python, SQL, and modern software engineering practices including version control, CI/CD, automated testing, observability, and deployment automation.
Added 3 months ago
DD
Software Engineer Fullstack
Dominion Dynamics
Ottawa, ON
- Full-time
Optimize data storage and query patterns (SQL/NoSQL) for low-latency access and efficient telemetry archival.
Added 1 month ago
Senior - Decision Modelling (Montreal)
EY
Montreal, QC
Exposure to coding languages such as VBA, Python or SQL (considered an asset but is not required)
Added 1 month ago
Senior - Decision Modelling (Calgary)
EY
AB · Calgary, AB
Exposure to coding languages such as VBA, Python or SQL (considered an asset but is not required)
Added 1 month ago
RS
Application Support Engineer I
Ryder System, Inc.
Toronto, ON
- Full-time
Basic programming knowledge (SQL, Python, JavaScript, or TypeScript , Required
Added 1 month ago
EC
Senior SDET (IC4) - Senior Software Engineer in Test
Emburse Chrome River
Toronto, ON
- Full-time
Emburse is seeking a skilled and detail-oriented Senior Software Development Engineer in Test (SDET) to join our engineering team. In this role, you will bridge the gap between software…
Added 1 month ago
OS
Senior Associate, Analytics Solutions - Technology Services Group
Optimus SBR
Toronto, ON
- Full-time
Join a dynamic and engaging team that thrives on collaboration, innovation, and growth. The Senior Associate role within our Technology Services Group is an exciting, transformative…
Added 1 month ago
M
Senior AI Engineer
Mastercard
Vancouver, BC
- Full-time
…teams to move their research products into production. As a Senior AI Engineer, you will independently build and ship agent-based applications and developer tooling, and partner with data…
Added 6 months ago
B
Principal Software Engineer - AI
Boomi
Vancouver, British Columbia
- Full-time
Lead the design and implementation of complex, distributed systems using Python and Java, establishing architectural patterns and best practices.
Added 6 months ago
L
Senior Specialist - Data Sciences
LTM
Ontario · Ontario, Canada
- $81,325 to $125,000 USD / year
- Full-time
Added 1 month ago
A
Senior Analyst, GenAI Marketing (Bangkok Based, Relocation Provided)
Agoda
Vancouver, BC
- Full-time
Build and test prototypes using SQL, Python, automation tools and generative AI technologies.
Added 1 month ago
A
Senior Analyst, GenAI Marketing (Bangkok Based, Relocation Provided)
Agoda
Montreal, QC
- Full-time
Build and test prototypes using SQL, Python, automation tools and generative AI technologies.
Added 1 month ago
A
Senior Analyst, GenAI Marketing (Bangkok Based, Relocation Provided)
Agoda
Toronto, ON
- Full-time
Build and test prototypes using SQL, Python, automation tools and generative AI technologies.
Added 1 month ago
T
AI/Data Application Developer, TD Securities
TD
Toronto, ON
- Full-time
…Capital Markets. The successful candidate will work alongside senior developers, business systems analysts, architects, and business stakeholders to deliver scalable and innovative…

Jay Analytix

UI React Developer (QTS)

Toronto, ON, Canada

Contract

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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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