Senior React Developer

Smooth Commerce

Senior React Developer responsible for developing web product features for the B2B SaaS platform. Collaborating with cross-functional teams to deliver high-quality user interfaces.

Posted 6/1/2026full-timeToronto • 🇨🇦 CanadaSenior💰 CA$85,000 - CA$115,000 per yearWebsite

Tech Stack

Tools & technologies

AWSFirebaseGatsbyJavaScriptJestMaterial UINext.jsReactReduxTypeScript

About the role

Key responsibilities & impact

Architect, design, and implement scalable and maintainable frontend solutions using React.js / Next.js and related technologies
Ensure code quality, performance, and best practices are maintained throughout the development lifecycle
Provide estimates on new features and bug fixes
Implement UX designs provided by the design team using React, Redux, CSS
Work closely with the QA team to develop automated functional tests for new features and enhancements
Collaborate with the backend team to understand and consume platform APIs, and to suggest modifications where appropriate
Code review pull requests from other web team members and provide constructive feedback to team members
Stay updated on emerging frontend technologies and industry trends, and recommend best practices and tools to enhance development processes
Work with project managers and product teams to estimate timelines for new features and bug fixes, ensuring all stakeholders have clear expectations and timelines.

Requirements

What you’ll need

Bachelor's degree in Computer Science, Engineering, or related field
Proven experience leading frontend projects, preferably in a client-focused SaaS setting
7+ years of front-end web development experience using CSS, HTML, JavaScript, React, Redux, Next.js, Material UI, Gatsby.js, with 2+ years in TypeScript
Knowledge of react patterns such as, container/presentational, hooks etc.
Knowledge/experience in Formik, AWS S3, Jest, and Enzyme (or other testing frameworks) is a plus
Familiarity with AWS, AWS CLI, Firebase, and modern CI/CD pipeline tools is a plus
Hands-on experience in agile teams with a strong understanding of RESTful APIs and version control using Git
Experience working in agile teams
Excellent communication and interpersonal skills, with the ability to work cross-functionally in a fast-paced environment and with remote teams across time zones.

Benefits

Comp & perks

Dynamic and inclusive work environment
Opportunities for professional growth and development
Innovation and collaboration

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

React.jsNext.jsCSSHTMLJavaScriptReduxTypeScriptMaterial UIGatsby.jsRESTful APIs

Soft Skills

communicationinterpersonal skillscollaborationleadershipfeedbacktime managementcross-functional teamworkadaptabilityproblem-solvingstakeholder management

Certifications

Bachelor's degree in Computer ScienceBachelor's degree in Engineering