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EY Senior Frontend Engineer in Toronto

EY | toronto, Canada | Posted June 01, 2026

Position Overview

Join EY as a Senior Frontend Engineer in Toronto, focusing on creating and managing effective React-based applications. Lead development efforts that integrate AI and enhance user experiences.
In this role, you will guide a global full-stack team while establishing engineering standards to ensure high performance and quality. Collaborating closely with designers, you will create accessible and intuitive interfaces that meet complex requirements.
Key Responsibilities:
• Oversee and mentor a full-stack development team
• Define and implement frontend development standards
• Lead design and deployment of React applications
• Collaborate with UI/UX teams for optimal user experience
• Integrate with RESTful backend services
Requirements:
• 4–6 years of full-stack or frontend development expertise
• Strong skills in React, TypeScript, and modern CSS
• Experience with REST APIs and backend technologies
• Ability to troubleshoot and communicate effectively

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