Senior Frontend Engineer - AI-Driven E-commerce

Mejuri; Toronto; Hybrid; CAD 120,000 - 145,000; Full time

Benefits offered by this job

Four weeks vacation

Hybrid work model

Mejuri Passport

Medical and dental benefits

Parental leave top-up

Job summary

Mejuri is seeking a Senior Frontend Developer to elevate its digital experience. You will build scalable web applications on Shopify and Hydrogen, focusing on performance, accessibility, and SEO, while shaping AI-assisted workflows and features.

You will mentor teammates, collaborate with design/product/backend, and contribute to a world-class customer experience in a hybrid Toronto-based role.

Qualifications

• Deep React experience with modern routing and architecture.
• Experience building large-scale e-commerce apps.
• Strong Shopify Hydrogen and headless commerce knowledge.

Responsibilities

• Build and maintain performant web apps on Shopify and Hydrogen.
• Lead frontend architecture decisions and refactor for quality.
• Use AI coding tools judiciously within production codebase.
• Create AI-assisted workflows and internal tooling to speed up the team.
• Contribute to customer-facing AI features (search, personalization, content generation).
• Collaborate with design, product, and backend to deliver seamless experiences.
• Mentor junior/intermediate developers and participate in code reviews.

Skills

Deep React

React Router v7

E‑commerce apps

Shopify Hydrogen

Headless commerce

AI coding tools

Prompts & AI review

Unit & integration tests

GraphQL & REST APIs

Performance & web vitals

UX/UI collaboration

Tools

Shopify Hydrogen

React

GraphQL

REST APIs

NPM/Yarn

Job description

Mejuri is seeking a Senior Frontend Developer to elevate its digital experience. You will build scalable web applications on Shopify and Hydrogen, focusing on performance, accessibility, and SEO, while shaping AI-assisted workflows and features.

You will mentor teammates, collaborate with design/product/backend, and contribute to a world-class customer experience in a hybrid Toronto-based role.