Senior Frontend Developer in EY’s AI Centre of Excellence (COE) in the Office of the Chief Technology Officer. You will design, develop, and lead high‑impact React‑based applications that seamlessly integrate with backend and AI services. Translate complex technical and business requirements into clean, scalable, production‑ready frontend solutions. Provide technical leadership across frontend engineering, driving best practices in design, usability, performance, and code quality. Key Responsibilities
Lead and manage a full‑stack development team, onshore and offshore, enabling effective collaboration and communication across all team members. Drive innovation by setting and executing frontend engineering standards and development practices, establishing scalable processes that enable teams to effectively use AI‑assisted coding platforms, while maintaining code quality, performance, accessibility, and user experience. Lead the design, development, and deployment of React‑based web applications, ensuring high performance, responsiveness, and a polished user experience. Partner with UI/UX designers to implement intuitive, accessible interfaces that present AI outputs and complex data in a clear and engaging way. Connect frontend applications to RESTful and real‑time backend services, handling data fetching, caching, error states, and loading experiences. Collaborate closely with business stakeholders and backend teams to gather requirements, translate them into technical specifications, and deliver robust solutions. Maintain high standards through code reviews, automated testing, and CI/CD best practices. Provide guidance to junior developers, share knowledge across the team, and help establish frontend standards and patterns. Identify and troubleshoot issues across the frontend stack, ensuring timely resolution and a smooth development workflow. Stay current with the React ecosystem and modern frontend tooling, bringing current ideas to improve our applications and developer experience. Ensure the application adheres to accessibility standards and implement security best practices to protect sensitive client data. Skills And Attributes for Success
Education: Bachelor’s or Master’s degree in Computer Science, Software Engineering, Information Technology, or a related field. Experience: 4–6 years of professional frontend or full‑stack development experience, with a strong focus on React. Technical Skills
Strong proficiency in React and Type Script. Thorough understanding of modern React patterns (hooks, context, server state management). Demonstrated experience with HTML5, CSS3, and modern styling approaches (Tailwind CSS, CSS Modules, Styled Components). Comfortable integrating with RESTful APIs and working with backend teams. Exposure to backend technologies (Python,. NET, Node.js) to support effective full‑stack collaboration. Familiarity with testing frameworks (Jest, React Testing Library, Playwright). Understanding of state management libraries (Redux, Zustand, Tan Stack Query).
Problem‑solving: Strong analytical skills and the ability to debug complex frontend issues. Communication: Clear written and verbal communication skills, able to explain technical decisions to both technical and non‑technical audiences. What We Offer
We offer a competitive compensation package and a comprehensive Total Rewards program, including medical, prescription drug, dental coverage, a defined contribution pension plan, vacation policy, firm paid days, statutory holidays, and paid personal days based on province of residence. You can also choose benefits that best suit your needs. Support and coaching from engaging colleagues. Learning opportunities to develop new skills and progress your career. Networking opportunities to engage with colleagues worldwide. The freedom and flexibility to handle your role in a way that’s right for you. Toronto: $88,000 to $132,000
