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Added 4 months ago
Senior Quality Engineer
LTM
Ontario · Ontario, Canada
$77,874 to $86,767 USD / year
Full-time
Strong programming fundamentals in Java (data types, control structures, object-oriented programming concepts like inheritance, polymorphism, encapsulation, abstraction).
Added 4 months ago
Java - Technical Lead
CGI
Toronto, Ontario
Full-time
We are seeking for a creative and innovative Java Technical Lead, someone who wants to be part of our fast-paced and transformational Agile team.
Added 2 months ago
Senior Full Stack Engineer, App Runtime
Snowflake
Toronto, Ontario
$245,250 to $295,250 CAD / year
Full-time
As a Senior Full Stack Engineer, you will drive initiatives that span our product areas and tech stack. It’s a high-impact role - you will work on an early-stage, public-preview product.…
Added 2 months ago
Applications Development Sr Programmer Analyst - Asst. Vice President
Citi
Remote, Canada
Full-time · Remote
In this role, you will contribute to the development and delivery of critical software projects while building scalable, high-quality solutions under the guidance of senior engineers.
Added 2 months ago
Senior Software Engineer - Streaming AI (Remote - Ontario / British Columbia)
Confluent
Remote, Canada
$144,200 to $169,400 CAD / year
Full-time · Remote
Proficiency in Java, Scala, C++, Go, or other statically typed languages.
Added 11 days ago
Lead Engineer
Scotiabank
Toronto, ON
7+ years of hands-on experience on microservice implementation using Java/J2EE, Spring framework, Gradle, NodeJS, Restful APIs, Cloud SQL, and Kafka.
Added 11 days ago
Senior Data Engineer
RBC
Toronto, ON
Full-time
…infrastructure, you will develop internal tooling in Python, Java or TypeScript to automate workflows, improve developer experience, and expand self-service capabilities, directly shaping…
Added 11 days ago
Senior AI Analyst (T & I) (Telework/Hybrid)
CBC/Radio-Canada
Ottawa, ON · Toronto, ON · Montreal, QC
Full-time
…and ready to kick-start their career in applied AI. Backed by senior experts, you will work in a highly experimental environment where your initiatives will have real, immediate…
Added 11 days ago
Senior Contact Center Support Specialist (Amazon Connect)
TD
Toronto, ON
Full-time
As a Senior Contact Center Support Specialist, you will be responsible for providing expert-level technical support to customers using Amazon Connect. This is a senior level position that…
Added 4 months ago
Senior Android Developer
UST
Toronto, Ontario
Full-time
UST is looking for a Senior Android Developer to join our client project, one of the largest financial institutions. You will have the opportunity to continue to modernize and improve one…
Added 4 months ago
Senior Android Developer
UST
Toronto, Ontario
Full-time
UST is looking for a Senior Android developer to join our client project, one of the largest financial institutions. You will have the opportunity to continue to modernize and improve one…
Added 4 months ago
Senior Software Developer
CPKC
Calgary, Alberta
Full-time
Reporting to the Manager IS Intermodal Technical Solution, the Senior Software Developer (Senior Specialist Software Developer Custom Solution) will support mission‑critical enterprise and…
Added 4 months ago
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
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 4 months ago
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 4 months ago
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 1 month ago
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 11 days ago
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
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 2 months ago
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 10 days ago
Software Engineer in Test (ETL)
Kaizen Technologies
ON · Ontario, Canada
Contract
Job Title: Senior SDET / ETL Test Automation Engineer
Added 10 days ago
Director, Developer Experience, Simplii Technology
Simplii Financial
Toronto, ON
Full-time
As Director of Developer Experience at Simplii Technology, you'll play a pivotal role in shaping the future of engineering at Simplii Financial. You’ll build and lead a new team dedicated…
Added 10 days ago
Business Analyst (Insurance)
Capgemini
Toronto, ON
Full-time
· Collaborate with development teams working on Java-based applications.
Added 11 days ago
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 11 days ago
Jr Programmer Analyst Student (Hybrid)
TRIUMF
Vancouver, BC · TRIUMF
Full-time
The primary focus of the position is to use functional requirements and design documents provided by senior programmers, or written with the help of senior programmers in order to design,…

Jay Analytix

UI React Developer (QTS)

Toronto, ON, Canada

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

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Applications open in a new tab.

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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