Lead Applied Scientist

Thomson Reuters•Toronto, ON

7d•Hybrid

About The Position

This posting is for proactive recruitment purposes and may be used to fill current openings or future vacancies within our organization. Are you excited about working at the forefront of applied research in an industry setting? TR Labs is the AI Research & Development arm of Thomas Reuters. We are seeking scientists with a passion for solving problems using state-of-the-art artificial intelligence and machine learning. What does Thomson Reuters Labs do? We experiment, we build, we deliver. Our core mission is to innovate industry-leading solutions for Legal, Tax & Accounting, Risk, and News Media professionals. We systematically explore and develop new technologies, particularly those in relevant areas of AI/ML, with an unwavering focus on customer problems and opportunities. As a Lead Applied Scientist, you will define research strategy and lead high-impact initiatives that shape Thomson Reuters' AI/ML roadmap across multiple product features. You will drive innovation in specialized domains such as legal reasoning, document understanding, or knowledge graphs, establishing best practices and technical vision. You will provide thought leadership internally and externally, mentoring scientists across Labs and leading stakeholder engagement. You will develop a deep understanding of customer problems and the data that informs them.

Requirements

PhD or Master's degree with equivalent industry experience in Computer Science, Machine Learning, or related field
7+ years of hands-on experience building production IR, NLP, ML, or GenAI systems leveraging modern techniques
Demonstrated experience leading through others in cross-functional teams to deliver end-to-end AI capabilities
Strong product mindset with ability to translate complex customer problems into successful AI applications
Proven ability to demonstrate novel methods that influence product roadmaps and business outcomes
Outstanding communication and analytical skills
Deep expertise in RAG architectures, agentic frameworks, tool-using systems, and evaluation methodologies
Significant experience developing novel methods for complex professional domains such as medical, tax, or law.
Publications at top-tier venues (ACL, EMNLP, NAACL, NeurIPS, ICLR, SIGIR, KDD)
Experience delivering production code with well-managed software/MLOps practices

Responsibilities

Define research strategy and lead high-impact initiatives that shape Thomson Reuters' AI/ML roadmap across multiple product features.
Drive innovation in specialized domains such as legal reasoning, document understanding, or knowledge graphs, establishing best practices and technical vision.
Provide thought leadership internally and externally, mentoring scientists across Labs and leading stakeholder engagement.
Develop a deep understanding of customer problems and the data that informs them.

Benefits

Flexible vacation
Two company-wide Mental Health Days off
Access to the Headspace app
Retirement savings
Tuition reimbursement
Employee incentive programs
Resources for mental, physical, and financial wellbeing
Paid volunteer days off annually
Opportunities to get involved with pro-bono consulting projects and Environmental, Social, and Governance (ESG) initiatives
Market competitive health, dental, vision, disability, and life insurance programs
Competitive 401k plan with company match
Competitive vacation, sick and safe paid time off
Paid holidays (including two company mental health days off)
Parental leave
Sabbatical leave
Optional hospital, accident and sickness insurance paid 100% by the employee
Optional life and AD&D insurance paid 100% by the employee
Flexible Spending and Health Savings Accounts
Fitness reimbursement
Access to Employee Assistance Program
Group Legal Identity Theft Protection benefit paid 100% by employee
Access to 529 Plan
Commuter benefits
Adoption & Surrogacy Assistance
Access to Employee Stock Purchase Plan