Lead Frontend Engineer

Job Responsibility: Location Toronto, Ontario, Canada Category Technology Careers Job Id JREQ191401 Job Type Full time Hybrid Lead Frontend Engineer, Materia AI

Thomson Reuters is looking for a skilled Lead Frontend Engineer to develop the next iteration of the user interface for our Materia AI product.

Innovate in a Startup-Like Environment

Be part of a fast-moving, forward-thinking group that is creating AI-driven software for accounting professionals. You'll work with top AI and software development experts, leveraging cutting-edge technology to build intelligent and scalable systems. This role is for the CoCounsel for Accounting team , formed from the recent acquisition of the startup Materia .

Create Impactful, AI-Driven Experiences

Lead front-end initiatives to bring generative AI features to life with engaging user experiences. Your work will shape how thousands of accounting professionals leverage AI in their everyday workflows.

Collaborate Across Functions

Work closely with product managers, designers, and AI specialists to deliver elegant, high-performance React-based features. Your ability to translate complex requirements into beautiful interfaces will be key to our product's success.

About the Role:

In this role as a Lead Frontend Engineer , you will:

Front-End Development

• Design, build, and maintain the React-based web application at scale.
• Implement user interfaces using Next.js, TypeScript, and Tailwind CSS to ensure performant, intuitive, and responsive experiences.

Performance & Optimization

• Identify bottlenecks and optimize for speed, scalability, and responsiveness.
• Troubleshoot complex front-end issues and provide robust solutions

Collaboration & Leadership

• Serve as a lead on front-end projects, guiding junior engineers and collaborating with cross-functional partners.
• Contribute to technical design decisions, ensuring code quality and best practices.

AI Integration

• Work alongside AI/ML teams to integrate large language models and other AI capabilities into the front-end, enhancing functionality and user experience.

UI/UX Excellence

• Apply strong design sensibilities to deliver polished, accessible, and user-centric interfaces.
• Iterate quickly based on feedback from internal stakeholders and end users.

About You:

You are a fit for a Lead Frontend Engineer if your background includes:

Experience & Skills

• 7+ years building React-based web applications at scale.
• Expertise in React, TypeScript, Tailwind CSS, and Next.js.
• Proven track record creating highly interactive, user-friendly interfaces.
• Experience building new products or features from 0 to 1 or from ideation to release.
• Excellent debugging skills and an eye for performance optimization.
• Strong communication and cross-functional collaboration abilities.

Mindset & Approach

• Passion for UI/UX and product design—enjoy refining details that matter to users.
• A flexible, adaptable attitude, comfortable working in a fast-paced environment.
• Self-driven with a proactive approach to problem-solving.

Bonus Points

• Bachelor's degree is preferred but not required.
• Experience working in a startup or similar fast-paced setting.
• Expertise in interfaces that contain Chatbot based tools is preferred.
• Familiarity with large language models (LLMs), machine learning, or AI-powered tools would be very useful.
• Opinionated about front-end testing methodologies.

#LI-JF1

What's in it For You?

• Hybrid Work Model: We've adopted a flexible hybrid working environment (2-3 days a week in the office depending on the role) for our office-based roles while delivering a seamless experience that is digitally and physically connected.

• Flexibility & Work-Life Balance: Flex My Way is a set of supportive workplace policies designed to help manage personal and professional responsibilities, whether caring for family, giving back to the community, or finding time to refresh and reset. This builds upon our flexible work arrangements, including work from anywhere for up to 8 weeks per year, empowering employees to achieve a better work-life balance.

• Career Development and Growth: By fostering a culture of continuous learning and skill development, we prepare our talent to tackle tomorrow's challenges and deliver real-world solutions. Our Grow My Way programming and skills-first approach ensures you have the tools and knowledge to grow, lead, and thrive in an AI-enabled future.

• Industry Competitive Benefits: We offer comprehensive benefit plans to include flexible vacation, two company-wide Mental Health Days off, access to the Headspace app, retirement savings, tuition reimbursement, employee incentive programs, and resources for mental, physical, and financial wellbeing.

• Culture: Globally recognized, award-winning reputation for inclusion and belonging, flexibility, work-life balance, and more. We live by our values: Obsess over our Customers, Compete to Win, Challenge (Y)our Thinking, Act Fast / Learn Fast, and Stronger Together.

• Social Impact: Make an impact in your community with our Social Impact Institute. We offer employees two paid volunteer days off annually and opportunities to get involved with pro-bono consulting projects and Environmental, Social, and Governance (ESG) initiatives.

• Making a Real-World Impact: We are one of the few companies globally that helps its customers pursue justice, truth, and transparency. Together, with the professionals and institutions we serve, we help uphold the rule of law, turn the wheels of commerce, catch bad actors, report the facts, and provide trusted, unbiased information to people all over the world.

About Us

Thomson Reuters informs the way forward by bringing together the trusted content and technology that people and organizations need to make the right decisions. We serve professionals across legal, tax, accounting, compliance, government, and media. Our products combine highly specialized software and insights to empower professionals with the data, intelligence, and solutions needed to make informed decisions, and to help institutions in their pursuit of justice, truth, and transparency. Reuters, part of Thomson Reuters, is a world leading provider of trusted journalism and news.

We are powered by the talents of 26,000 employees across more than 70 countries, where everyone has a chance to contribute and grow professionally in flexible work environments. At a time when objectivity, accuracy, fairness, and transparency are under attack, we consider it our duty to pursue them. Sound exciting? Join us and help shape the industries that move society forward.

As a global business, we rely on the unique backgrounds, perspectives, and experiences of all employees to deliver on our business goals. To ensure we can do that, we seek talented, qualified employees in all our operations around the world regardless of race, color, sex/gender, including pregnancy, gender identity and expression, national origin, religion, sexual orientation, disability, age, marital status, citizen status, veteran status, or any other protected classification under applicable law. Thomson Reuters is proud to be an Equal Employment Opportunity Employer providing a drug-free workplace.

We also make reasonable accommodations for qualified individuals with disabilities and for sincerely held religious beliefs in accordance with applicable law.