Senior Frontend Developer

As a Senior Frontend Developer within EY’s AI Centre of Excellence (COE) in the Office of the Chief Technology Officer, you will play a pivotal role in designing and building high‑impact, user‑centric applications that power EY’s next generation of AI‑driven solutions. Your primary focus will be the development of impactful and visually refined React‑based interfaces that seamlessly integrate with backend and AI services.

Working closely with product managers, data scientists, and engineering teams, you will translate complex technical and business requirements into clean, scalable, and production‑ready frontend solutions.

In this role, you will provide technical leadership across frontend engineering, driving best practices in design, usability, performance, and code quality. You’ll collaborate cross‑functionally with backend engineers, Dev Ops, testers, and product stakeholders to deliver robust, enterprise‑grade applications that help solve real client challenges and create measurable business impact.

If you thrive at the intersection of modern frontend engineering, AI‑enabled products, and real‑world impact, and are motivated by shaping industry‑defining platforms, this role offers a unique opportunity at EY.

Responsibilities

Team Leadership:
Lead and manage a fullstack development team, both onshore and offshore, enabling effective collaboration and communication across all team members.

Drive

Innovation: Set and execute 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.

Frontend Development:
Lead the design, development, and deployment of React‑based web applications, ensuring high performance, responsiveness, and a polished user experience.

UI/UX Integration:
Partner with UI/UX designers to implement intuitive, accessible interfaces that present AI outputs and complex data in a clear and engaging way.

API Integration:
Connect frontend applications to RESTful and real‑time backend services, handling data fetching, caching, error states, and loading experiences.

Collaboration:

Work closely with business stakeholders and backend teams to gather requirements, translate them into technical specifications, and deliver robust solutions.

Code Quality:
Maintain high standards through code reviews, automated testing, and CI/CD best practices.

Mentorship:
Provide guidance to junior developers, share knowledge across the team, and help establish frontend standards and patterns.

Problem‑Solving:
Identify and troubleshoot issues across the frontend stack, ensuring timely resolution and a smooth development workflow.

Continuous Improvement:
Stay current with the React ecosystem and modern frontend tooling, and bring new ideas to improve our applications and developer experience.

Compliance and Accessibility:
Ensure that 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) for effective full‑stack collaboration; familiarity with testing frameworks (Jest, React Testing Library, Playwright);

understanding of state management libraries (Redux, Zustand, Tan Stack Query); strong analytical problem‑solving skills; clear written and verbal communication skills, with the ability to explain technical decisions to technical and non‑technical audiences.

What we offer
We offer a competitive compensation package and a comprehensive Total Rewards program, which includes medical, prescription drug, and dental coverage; a defined contribution pension plan; vacation; paid personal days; and other benefits designed to support your physical, financial, and social well‑being.

Salary for Toronto: $88,000 to $132,000.

Inclusiveness at EY
EY is an equal‑opportunity employer and embraces diversity, equity, and inclusion. We are committed to fostering an environment where differences are valued and all employees feel a sense of belonging.

#J-18808-Ljbffr