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Added 10 hours ago
A
Full Stack Software Developer
ATB
Calgary, AB · Edmonton, AB
- Full-time
You’ll design, develop, test, deliver, maintain and improve applications, and work across the entire software development lifecycle to optimize ATB user experience and workflows.
Added 10 hours ago
SR
Software Architect
Swim Recruiting
Vancouver, BC
- $100 to $115 CAD / hour
- Contract
Due to growth, our client is looking to add a Software Architect to their web services team. In this role, you’ll design and guide the cloud-native (AWS) services that power Search,…
Added 10 hours ago
TU
Programmer Analyst II
The University of British Columbia
Vancouver, BC
- $8,810.92 to $13,202.5 CAD / month
- Full-time
The incumbent is a member of the Enterprise Automation and Solution Delivery (EASD) team, reporting to the Senior Manager, EASD. Work may also be directed and reviewed by a Delivery Manager…
Added 10 hours ago
CS
Senior Technical Architect, Application Development & Support
Canadian Standards Association
Toronto, ON
- Full-time
Acts as lead developer and technical design authority for applications in scope, setting coding standards, design patterns, branching strategy, and definition of done for internal and…
Added 11 hours ago
IC
Frontend Developer
IT Connex
Toronto, ON
- Contract
We are seeking an experienced Senior Software Engineer with strong expertise in React, JavaScript, and modern web application development to join a team responsible for building and…
Added 11 hours ago
AT
Software Developer
Aarorn Technologies
Guelph, ON
- $80,000 to $90,000 CAD / year
- Full-time
Develop Website architecture and determine hardware and software requirements
Added 12 hours ago
TU
Programmer Analyst II
The University of British Columbia
Vancouver, BC
- $8,810.92 to $13,202.5 CAD / month
- Full-time
The incumbent is a member of the Enterprise Automation and Solution Delivery (EASD) team, reporting to the Senior Manager, EASD. Work may also be directed and reviewed by a Delivery Manager…
Added 12 hours ago
PC
Cloud Infrastructure Engineer, Senior Associate
Pwc Canada
Ottawa, ON · Toronto, ON
- Full-time
Examples of the skills, knowledge, and experiences you need to lead and deliver value at this level include but are not limited to:
Added 13 hours ago
S
Lead Business Consultant, Enterprise Data Management & Data Integration
SimCorp
Toronto, ON
- Full-time
…courageous. Our people-centered organization focuses on skills development, relationship building, and client success. We take pride in cultivating an environment where all team members can…
Added 13 hours ago
T
Manager, Engineering
TD
Toronto, ON
- Full-time
We are looking for an experienced Manager, Engineering to lead a team of technology professionals responsible for delivering and supporting business-critical applications and technology…
Added 13 hours ago
AC
Digital Experience Developer, Campaign Operations
Air Canada
Dorval, QC
- Full-time
We are looking for a Digital Experience Developer to join the Digital Production team and take ownership of the development and delivery of promotional digital experiences across email, web…
Added 13 hours ago
TU
Bioinformatics Specialist
The University of British Columbia
Vancouver, BC
- $8,810.92 to $13,202.5 CAD / month
- Full-time
Acts as the lead analyst/programmer for software development, and lead architect for data management and database solutions. Provides design input and strategic technical suggestions in…
Added 13 hours ago
RD
Senior DevOps Engineer (Azure Infrastructure & Platform)
Randstad Digital
Toronto, ON · Greater Toronto Area, Canada
- Full-time
SDLC & DevSecOps Integration: Embed security and compliance controls across the entire software development lifecycle, integrating code scanning (Snyk, SonarQube), artifact management…
Added 14 hours ago
FC
Senior DevSecOps Engineer
Fintel Connect
Vancouver, BC
- Full-time
As a Senior DevSecOps Engineer, you will lead the implementation and continuous improvement of cloud security, infrastructure automation, platform reliability, and DevSecOps practices…
Added 14 hours ago
T
Frontend React DEVELOPER || Canada
TestingXperts
Toronto, ON
- Contract
Strong knowledge of HTML5, CSS3, Flexbox, Grid, and responsive web design.
Added 14 hours ago
CO
Temporary Solutions Integration Specialist (up to 8 months)
City of Saint John
Saint John, NB
- Temporary
…administration, implementation, and maintenance of the City’s website, web-based applications, software, data (including databases and interfaces), enterprise system and other…
Added 15 hours ago
P
Data & AI Transformation Director
PwC
Toronto, ON
- Full-time
…Director, Data & AI Transformation - Microsoft Practice to lead and deliver large-scale Microsoft-based transformation programs across cloud, data, analytics, and artificial intelligence.…
Added 15 hours ago
UO
Programmer Analyst II
University of British Columbia
Vancouver, BC · UBCV | The Leonard S. Klinck Building (LSK)
- $8,810.92 to $13,202.5 CAD / month
- Full-time
The incumbent is a member of the Enterprise Automation and Solution Delivery (EASD) team, reporting to the Senior Manager, EASD. Work may also be directed and reviewed by a Delivery Manager…
Added 15 hours ago
UO
Programmer Analyst II
University of British Columbia
Vancouver, BC · UBCV | The Leonard S. Klinck Building (LSK)
- $8,810.92 to $13,202.5 CAD / month
- Full-time
The incumbent is a member of the Enterprise Automation and Solution Delivery (EASD) team, reporting to the Senior Manager, EASD. Work may also be directed and reviewed by a Delivery Manager…
Added 15 hours ago
Software Engineer 3, Identity and Access Management
MongoDB
Toronto, ON
We're seeking a Software Engineer to join the Atlas Identity and Access Management (IAM) team. The IAM team owns authentication and authorization for all of MongoDB Atlas, spanning from the…
Added 15 hours ago
IG
Intermediate Performance Engineer
Insight Global
Toronto, ON · North York, ON
- $40 to $45 CAD / hour
- Contract
One of Canada's largest E-Commerce companies is seeking a Performance Engineer to join its team. This individual is being brought on to support the ongoing effort to augment load testing…
Added 16 hours ago
D
Service Reliability Engineer
Deliverect
Toronto, ON
- Full-time
3 to 5 years of software engineering or reliability engineering experience using Python in a web or API context (we use Flask and Eve; experience with Ruby or TypeScript for backend…
Added 16 hours ago
D
Lead, Forward Deployed Engineering
Deliverect
Toronto, ON
- Full-time
As the Lead Forward Deployed Engineer for North America, you will bridge technical problem-solving and software engineering by owning enterprise adoption from pre-sales architecture to…
Added 16 hours ago
UO
Bioinformatics Specialist
University of British Columbia
Vancouver, BC · PHSA | BC Children's Hospital Research Institute - North Block (BCRI CMMT) (BCHRIN)
- $8,810.92 to $13,202.5 CAD / month
- Full-time
Acts as the lead analyst/programmer for software development, and lead architect for data management and database solutions. Provides design input and strategic technical suggestions in…
Added 16 hours ago
Customer Data & Identity Specialist (CDP/CRM ecosystem)
Vacances Air Canada Vacations / Air Canada Rouge
Montreal, QC
If you're someone who's passionate about exploring the world and sharing that enthusiasm with our customers, we'd love to welcome you to our team.

TestingXperts

Frontend React DEVELOPER || Canada

Toronto, ON, Canada

Contract

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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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