Senior UX Developer

Signiant

. Design, develop, and maintain responsive web applications using React .

Posted 10/31/2026full-timeKanata • CanadaSenior💰 CA$87 - CA$112 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and developing responsive web applications using React, with a strong focus on user interface quality, accessibility standards, and collaboration with UX designers. Proven ability to lead frontend architectural discussions and mentor developers while optimizing development processes and integrating design systems.

Highest-signal resume keywords

React DevelopmentJavaScript ProficiencyMaterial UI ExperienceResponsive Design StandardsAgile Development Methodologies

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

ReactJavaScriptHTML5CSS3REST APIsComponent-Based UI DevelopmentAccessibility (WCAG)Performance OptimizationCode ReviewsDesign Systems

Soft Skills

Excellent CommunicationCollaboration Skills

Tools & Technologies

FigmaGitCI/CD PipelinesTesting FrameworksAI-Assisted Development Tools

Certifications & Qualifications

Bachelor's Degree in Computer ScienceBachelor's Degree in Software Engineering

Industry Keywords

UX Best PracticesUsability ReviewsCloud PlatformsEnterprise Design SystemsFrontend Architecture

Tech Stack

Tools & technologies

AWSAzureCloudCypressJavaScriptJestMaterial UIReact

About the role

Key responsibilities & impact

Design, develop, and maintain responsive web applications using React
Implement high-quality user interfaces using Material UI and modern design system principles
Translate UX designs, wireframes, and prototypes into production-ready solutions
Ensure applications meet accessibility (WCAG), usability, and responsive design standards
Optimize application performance, scalability, and maintainability
Champion UX best practices throughout the software development lifecycle
Collaborate closely with UX Designers to refine workflows and interactions
Participate in usability reviews and contribute to improving customer experiences
Evolve and maintain reusable UI components and design system assets
Lead the definition and integration of a design system into the development workflow
Provide technical guidance and mentorship to developers across the team
Conduct code reviews and promote engineering best practices
Drive frontend architectural discussions and contribute to technical roadmaps
Identify opportunities to improve development processes, automation, and quality
Partner with Product Managers, UX Designers, and Engineers to deliver scalable solutions
Leverage Figma design systems and design-to-code workflows to create and maintain React component libraries
Use AI-assisted development tools to accelerate prototyping, improve developer productivity, and enhance solution quality

Requirements

What you’ll need

Bachelor's degree in Computer Science, Software Engineering, or equivalent experience
7+ years of professional software development experience
5+ years of experience developing modern web applications using React
Strong proficiency in JavaScript, HTML5, and CSS3
Experience building component-based user interfaces with Material UI or equivalent design systems
Experience designing and consuming REST APIs
Experience with Git, CI/CD pipelines, and Agile development methodologies
Strong understanding of responsive design, accessibility, and UX best practices
Excellent communication, and collaboration skills
Preferred: Experience implementing enterprise design systems
Preferred: Familiarity with cloud platforms such as Azure, AWS, or Google Cloud
Preferred: Experience with testing frameworks such as Jest, React Testing Library, Cypress, TestCafe, or Playwright
Preferred: Experience with Storybook and Chromatic
Preferred: Experience with AI coding tools