Lead Applied Scientist

Thomson ReutersToronto, ON
$147,600 - $316,000Hybrid

About The Position

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. 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)

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.
  • Deliver production code with well-managed software/MLOps practices.

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
  • Health insurance
  • Dental insurance
  • Vision insurance
  • Disability insurance
  • Life insurance
  • 401k plan with company match
  • Paid holidays
  • 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
  • Employee Stock Purchase Plan
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