Jobs in Canada

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Added 15 days ago
AI
Senior Identity and Reliability Engneering Specialist - Ping Forgerock
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Montreal, QC
- Full-time
Partner with system owners to certify business continuity and disaster recovery efforts for IAM systems.
Added 15 days ago
K
Software Engineer in Test
Kelly
Mississauga, ON
- Contract
Drive shift-left and in-sprint automation across UI, APIs, microservices, and event-driven systems.
Added 15 days ago
P
Software Developer
Plusgrade
Montreal, QC
- Full-time
…Airways, Finnair to name a few. We’re looking for a fullstack developer to own meaningful capabilities in that product end to end, from the proposal to…
Added 15 days ago
HG
Senior Cost Accountant | Comptable principal(e), prix de revient
Hagen Group
Baie-D'Urfé, QC
- Full-time
Experience with ERP/manufacturing systems; SYSPRO is a strong asset.
Added 15 days ago
D
Salesforce Business Analyst
Delpath
Toronto, ON
- Contract
Business Group: Commercial Global Engineering team is seeking a Business Systems Analyst specializing in Salesforce, who will be responsible for ideation support, design, development, and…
Added 15 days ago
AT
Senior Cybersecurity Analyst - 26-040 - Hybrid - 2 positions available
AUSGAR Technologies Inc.
Newport, QC
- Full-time
MUST HAVE AN ACTIVE SECRET CLEARANCE UPON HIRE TO BE CONSIDERED · DoD 8140.03 IAT II certification required
Added 15 days ago
D
Salesforce Developer
Delpath
Toronto, ON
- Contract
Location: Toronto-Hybrid: 3 days in Office · Must Have Skills:
Added 15 days ago
CI
Aviation System Safety Specialist
Calian in Space & Technology
Gatineau, QC
- Full-time
Must have an undergraduate or master’s degree from a recognized post-secondary institution* in engineering · OR Must have obtained the rank of Capt or above within the Aerospace Engineering Officer (AERE) classification within the CAF
Added 15 days ago
ES
Salesforce Consultant - FSC Cloud
Enterprise Solutions Inc.
Toronto, ON
- Contract
Integration (Must Have) 4+ years of enterprise integration experience
Added 15 days ago
AC
Lead SAP TMS Consultant
Avance Consulting
Canada
- Full-time
Added 15 days ago
KS
Engineering Manager - Industrial Automation & Power Systems
Kinetic Search Group
Vancouver, BC · Greater Vancouver Metropolitan Area
- $170,000 to $190,000 CAD / year
- Full-time
Our client is an established Canadian leader in engineered industrial automation, electrical power systems, and advanced motor control solutions. Serving some of North America's most…
Added 15 days ago
I
Human Resources Coordinator
Innofoods
Langley (District), BC · Langley, BC
- Full-time
Support new employee setup and activation within HR systems.
Added 15 days ago
B
Database Administrator
Bevertec
Toronto, ON · Greater Toronto Area, Canada
- Contract
Job Title: Database Administrator – Cloud, SQL & Enterprise Systems
Added 15 days ago
H
IT technician (Equipment and Configuration)
Hays
Montreal, QC · Greater Montreal Metropolitan Area
- Full-time
Knowledge of integrated management systems is an asset.
Added 15 days ago
H
Bilingual Senior QA Analyst – Finance & Enterprise Performance Management (EPM)
Hays
Montreal, QC
- Contract
Reconcile EPM results against source systems, approved financial models, or established Finance benchmarks.
Added 15 days ago
PC
Senior Software Development Engineer in Test (SDET) / Quality Engineering Architect
Pyramid Consulting, Inc
Mississauga, ON
- $70 to $79 CAD / hour
- Contract
Spearhead in-sprint automation practices for UI, microservices, and distributed systems.
Added 15 days ago
RD
Cloud Engineer (Azure & IaC)
Randstad Digital
Toronto, ON · Greater Toronto Area, Canada
- Full-time
…helping bridge foundational networking connections to legacy…
Added 15 days ago
K
Software Engineer
Kelly
Mississauga, ON
- Contract
Build and integrate REST/gRPC APIs, messaging systems, and enterprise applications.
Added 15 days ago
KR
AI Architect
KTek Resourcing
Toronto, ON · Scarborough, ON
- Contract
Must Have : (F2F interview mandatory for Tp2 round )
Added 15 days ago
EA
Physician Engagement Specialist
Empathia AI
Canada
- Full-time
Maintain accurate records of customer interactions and implementation progress in CRM systems.
Added 15 days ago
T
Frontend React DEVELOPER || Canada
TestingXperts
Toronto, ON
- Contract
Experience profiling and optimizing frontend performance using browser developer tools.
Added 15 days ago
S
Firmware Engineer
Solidigm
Vancouver, BC
- $116,480 to $174,800 CAD / year
- Full-time
Candidates must possess the below minimum qualifications to be initially considered for this position · The candidate must have a bachelor's degree in Computer Engineering, Electrical Engineering or Computer Science or a related field
Added 15 days ago
AI
Python Developer -Forward Deployed, Pyspark
Apptoza Inc.
Toronto, ON
- Contract
Role: Python Developer -Forward Deployed, Pyspark
Added 15 days ago
WC
MDC Shift Supervisor - Afternoon Shift (Brampton, ON)
Wolseley Canada Inc.
Toronto, ON · North York, ON
- Full-time
Added 15 days ago
FS
Solutions Architect, AI/ML
Fidus Systems
Canada
- Full-time
At Fidus, you'll work on high-speed, high-complexity electronic systems, often using emerging technologies before they reach the broader market. You'll collaborate across FPGA/DSP,…

TestingXperts

Frontend React DEVELOPER || Canada

Toronto, ON, Canada

Contract

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Applications open in a new tab.

Job details

Job type: Contract
Apply by: Nov 26, 2026
Posting language: English
Posted: Oct 27, 2026

Original job description

Job Title: Front-End (React) Lead Developer

Location :: Canada

Required Technical Skills

React.js and JavaScript

Strong hands-on experience with React.js, functional components, and React Hooks.
Excellent knowledge of JavaScript ES6+ and TypeScript.
Understanding of component lifecycle, reconciliation, rendering behavior, and React internals.
Experience building reusable components, custom hooks, and shared UI libraries.
Knowledge of routing using React Router or equivalent libraries.

State Management

Experience with Redux Toolkit, Redux, Context API, Zustand, or similar solutions.
Understanding of state normalization, asynchronous actions, and API data caching.
Experience managing complex application state and data flows.

UI Development

Strong knowledge of HTML5, CSS3, Flexbox, Grid, and responsive web design.
Experience with CSS Modules, Sass, Tailwind CSS, Material UI, or similar UI frameworks.
Understanding of accessibility standards, semantic HTML, and WCAG guidelines.
Ability to translate Figma or other design mockups into production-ready interfaces.

API Integration and Security

Experience integrating REST APIs and handling asynchronous requests.
Knowledge of HTTP, JSON, error handling, and API authentication.
Understanding of OAuth 2.0, OpenID Connect, and JWT-based authentication.
Awareness of frontend security risks such as XSS and CSRF.

Testing and Code Quality

Experience with Jest, React Testing Library, Vitest, or Cypress.
Knowledge of unit, integration, component, and end-to-end testing.
Experience with ESLint, Prettier, SonarQube, and code-quality standards.

Performance and Build Tools

Experience with Vite, Webpack, npm, or Yarn.
Knowledge of code splitting, lazy loading, memoization, and bundle analysis.
Experience profiling and optimizing frontend performance using browser developer tools.
Understanding of Core Web Vitals and browser rendering performance.

DevOps and Deployment

Experience with Git and pull-request workflows.
Knowledge of CI/CD pipelines using Jenkins, GitHub Actions, GitLab CI, or similar tools.
Exposure to Docker, cloud platforms, and frontend deployment environments.

Technical Leadership Responsibilities

Lead frontend architecture and make technical decisions aligned with business requirements.
Conduct design reviews, code reviews, and technical assessments.
Break down requirements into technical tasks and provide effort estimates.
Mentor team members and establish coding standards.
Identify technical debt and drive refactoring and modernization initiatives.
Coordinate with backend, QA, DevOps, and product teams to ensure successful delivery.
Take ownership of release quality, production stability, and frontend technical excellence.

Preferred Qualifications

Bachelor's or Master's degree in Computer Science, IT, or a related field.
Experience building enterprise-scale React applications.
Experience with Next.js, server-side rendering, or static site generation.
Knowledge of micro-frontends and frontend monorepo architecture.
Experience developing design systems and shared component libraries.
Exposure to GraphQL, WebSockets, and real-time applications.
Experience with Agile/Scrum methodologies and distributed development teams.

Key Deliverables

Scalable and maintainable frontend architecture.
High-quality, reusable React components.
Improved page load times and application responsiveness.
Strong test coverage and reduced production defects.
Consistent UI/UX and accessibility compliance.
Timely delivery of frontend releases.
Effective mentoring and technical leadership.

Core Skills

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More about this job

Responsibilities

Lead frontend architecture and technical decisions, review designs and code, estimate and break down work, and mentor team members. Coordinate with backend, QA, DevOps, and product teams to deliver reliable releases, improve performance and quality, and maintain frontend standards.

Requirements

Requires strong hands-on experience with React.js, JavaScript ES6+, TypeScript, state management, responsive UI development, API integration, testing, and frontend performance optimization. The role also calls for technical leadership, code review and mentoring experience; a bachelor's or master's degree in a related field and enterprise React experience are preferred.

Skills

React.js
JavaScript ES6+
TypeScript
Redux Toolkit
HTML5
CSS3
REST APIs
React Hooks
Responsive Design
Jest
React Testing Library
Vite
Webpack
Frontend Architecture
Performance Optimization
Technical Leadership

Visa sponsorship

Not detected in the job text

Keywords

React.js
JavaScript ES6+
TypeScript
React Hooks
Redux Toolkit
Redux
Context API
Zustand
HTML5
CSS3
Flexbox
CSS Grid
Responsive Web Design
REST APIs
OAuth 2.0
OpenID Connect
JWT
Jest
React Testing Library
Vitest
Cypress
Vite
Webpack
CI/CD
Docker
Next.js
Server-Side Rendering
Micro-Frontends
GraphQL
Agile/Scrum

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Work requirements

Jobs in Canada