Senior Frontend Developer (Next.js, React, TypeScript)S.i. Systems • Toronto

Senior Frontend Developer (Next.js, React, TypeScript)

S.i. Systems • Toronto

30+ days ago

Job type

Full-time

Job description

Our client is Canadas largest retailer, their healthcare BU is looking for a Senior Frontend Developer (Next.js, React, TypeScript)

Job Summary

We are seeking a Senior Frontend Developer with deep expertise in Next.js and TypeScript , supported by strong React experience. In this role, you will build scalable, high-performance, production-grade web applications and contribute to end-to-end feature development. You’ll work closely with product, design, and backend teams in a fast-paced, collaborative environment.

Location :

Downtown (Bathurst & Lakeshore)
Hybrid : 1 day per week onsite

Duration :

6-month contract

Responsibilities

Lead development and maintenance of modern web applications using Next.js , React , and TypeScript

Build performant, SEO-friendly, and scalable user interfaces leveraging Next.js features (SSR, SSG, routing, APIs)

Collaborate with cross-functional teams on application architecture, feature design, and performance optimization

Ensure high code quality through testing, code reviews, and best practices

Optimize applications for performance, scalability, accessibility, and security

Must-Haves

5+ years of frontend development experience

Strong hands-on experience with Next.js as a primary framework

Advanced proficiency in React and TypeScript

Experience consuming RESTful APIs

Familiarity with modern CI / CD pipelines and cloud platforms (AWS, GCP, or Azure)

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Senior Frontend Developer Nextjs React TypeScript • Toronto

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