React UI Developer - Iris Software Inc. (Toronto)

Iris Software

Full-time Other-General
Apply Now
Location
toronto, on, Canada
Posted
June 04, 2026

Job Description

Position

React UI Developer Location

Toronto, ON Key Responsibilities

Develop and maintain scalable, high-performance web applications using React, TypeScript, and up-to-date JavaScript (ES6+). Build reusable, efficient, and visually appealing UI components aligned with design specifications and best practices. Collaborate closely with UI/UX designers, backend developers, and product teams to translate complex requirements into intuitive user interfaces. Utilize modern web tooling (Babel, SWC, Vite, pnpm, Lerna, Nx) to optimize development workflows and application performance. Integrate frontend applications with RESTful APIs, WebSockets, and backend services ensuring seamless data flow. Implement responsive and cross-browser compatible designs using HTML5, CSS, and modern styling techniques. Optimize applications for performance, scalability, and usability, resolving bottlenecks and improving load times. Perform unit, integration, and end-to-end testing usi...