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Added 5 mins ago
WI
Environmental Project Manager, Transportation & Municipality Specialist
WSP in Canada
Regina, SK
- Full-time
…Project Manager, Transportation & Municipality Specialist you'll lead some of the region's most complex environmental assessment and regulatory permitting programs, guiding…
Added 5 mins ago
C
Telecom Network Solution Architect
CGI
Toronto, ON
- Full-time
Lead discovery workshops and solution discussions; present technical recommendations clearly to both business and technical audiences.
Added 5 mins ago
MC
SysOps Software Architect (36136)
Myticas Consulting
Ottawa, ON
- Full-time
Lead the architecture and technical direction of System Operations (SysOps) software for a mission-critical satellite communications program. Translate operational, security, and system…
Added 5 mins ago
C
Manager Service Operations (PL)-CA
CN
Montreal, QC
- Full-time
Provide input on tooling strategies, monitoring implementations, and technical debt management.
Added 5 mins ago
R
Executive Producer, Publishing (English Services) (On-Site)
Radio-Canada
Toronto, ON
- Full-time
CBC News is seeking an Executive Producer of Publishing to lead the team responsible for curating CBCNews.ca and the CBC News app, strengthening digital story packaging and guiding…
Added 5 mins ago
UO
Technology / Facility Support Analyst, UCalgary Continuing Education
University of Calgary
Calgary, AB
- Part-time
…assignments will be distributed and supervised by the Facilities Team Lead and IT Support Specialist. Works independently, as part of a detached team, to ensure the safe, effective and…
Added 5 mins ago
UO
Senior Systems Development Analyst, VP Development and Alumni
University of Calgary
Calgary, AB
- Full-time
…throughout Development and Alumni to gather and respond to highly technical requirements. The work done by the incumbent is very complex and requires significant in-depth knowledge and…
Added 5 mins ago
YB
Director, Information Technology
YWCA BC
Vancouver, BC
- Full-time
Direct reports: Senior IT Systems Manager, plus additional technical staff as required
Added 6 mins ago
W
IT Specialist II
WCB-Alberta
AB · Edmonton, AB
- $75,416 to $88,707 CAD / year
- Full-time
…Technology Services (BTS) department. Reporting to the Team Lead, Application & Cloud Services, the IT Specialist II is responsible for the day-to-day application operations such as…
Added 6 mins ago
U
Business Systems Analyst
UST
Toronto, ON
- Full-time
Lead discovery, requirements elicitation, and process analysis with business and technology stakeholders.
Added 6 mins ago
Facilities and Maintenance Manager
Covenant Care + Covenant Living
Calgary, AB · Edmonton, AB · Lethbridge, AB · Red Deer, AB
We are seeking an experienced and strategic Facilities and Maintenance Manager to lead facilities management, maintenance operations, asset stewardship, and infrastructure planning across…
Added 21 mins ago
BG
Heavy Equipment Technician - Leadhand - Construction & Forestry
Brandt Group of Companies
Oro, ON
- Full-time
Possess computer and technical aptitude and knowledge for diagnostics and calibration work.
Added 21 mins ago
BG
Foreman - Fabrication
Brandt Group of Companies
Saskatoon, SK
- Full-time
The Fabrication Foreman leads and supports the production crew, ensuring welders, fitters, and lead hands work efficiently and safely. This role assigns and prioritizes tasks, monitors…
Added 21 mins ago
A
Sr. Materials Innovation Manager – Advanced Concepts
ARC'TERYX
North Vancouver, BC
- Full-time
As the Sr. Materials Innovation Manager – Advanced Concepts, you lead the advanced materials development function, creating industry-leading textile technology platforms and collaborating…
Added 21 mins ago
LC
Laboratory Technologist
LNG Canada
Kitimat, BC
- Full-time
Lead with Honesty: We act with integrity and courage, even when it is difficult.
Added 21 mins ago
NL
Senior Level Designer
Next Level Games
Vancouver, BC
- $89,000 to $114,000 CAD / year
- Temporary
Lead by example and share expertise to better other teammates
Added 36 mins ago
AI
Technical Lead - Java
Avanciers Inc.
Toronto, ON
- $60 to $65 CAD / hour
- Contract
Avanciers is a premier IT Staffing/Consulting organization and we are currently recruiting for a contract role for one of our premier client in Canada for Technical Lead - Java.
Added 36 mins ago
TM
Mill Maintenance Superintendent
The Mosaic Company
Colonsay, SK
- Full-time
Bachelor’s degree in engineering, or Technical Diploma, Journeyperson Certification, or 3–5 years of extensive previous experience in a similar role background.
Added 36 mins ago
WI
Environmental Project Manager, Transportation & Municipality Specialist
WSP in Canada
SK · Saskatchewan, Canada
- Full-time
…Project Manager, Transportation & Municipality Specialist you'll lead some of the region's most complex environmental assessment and regulatory permitting programs, guiding…
Added 36 mins ago
KC
Superintendent
Kindred Construction Ltd.
Revelstoke, BC
- Full-time
Dedicated to quality and service with 5+ years of successful experience in a technical role, with proven ability to manage and lead projects
Added 36 mins ago
D
Senior Manager- Clean Economy
Deloitte
St. John's, NL · Greater St. John's Metropolitan Area
- Full-time
…member of the team you will apply your skills and knowledge to lead client engagements which may include pre-claim consultations, claim preparation and documentation, audit defense, sales,…
Added 36 mins ago
WI
Senior Civil Engineer - Municipal Engineering
WSP in Canada
Cornwall, ON
- Full-time
…As a Senior Civil Engineer - Municipal Engineering, you will lead the delivery of impactful infrastructure projects that improve how people live, work, and connect. From water and…
Added 36 mins ago
WI
Environmental Project Manager, Transportation & Municipality Specialist
WSP in Canada
AB · Edmonton, AB
- Full-time
…Project Manager, Transportation & Municipality Specialist you'll lead some of the region's most complex environmental assessment and regulatory permitting programs, guiding…
Added 36 mins ago
WI
Senior Civil Engineer - Land Development
WSP in Canada
Cornwall, ON
- Full-time
Lead the planning, design, and delivery of complex land development projects that create lasting community value.
Added 36 mins ago
WI
Environmental Project Manager, Transportation & Municipality Specialist
WSP in Canada
Medicine Hat, AB
- Full-time
…Project Manager, Transportation & Municipality Specialist you'll lead some of the region's most complex environmental assessment and regulatory permitting programs, guiding…

TestingXperts

Frontend React DEVELOPER || Canada

Toronto, ON, Canada

Contract

Apply About employer

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

Apply About employer

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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