Lead Applied Scientist

Job Description

Thomson Reuters is seeking a Lead Applied Scientist. This is whereemergent intelligence meets real-world impact. Youll work at the cutting edge of GenAI and machine learning agents building systems that combine neural and symbolic reasoning understand multiple modalities and personalize themselves to individual users and evolving contexts.

Your work will transform how millions of legal tax and compliance professionals interact with informationnot through static tools but throughintelligent agents that understand their domain anticipate their needs and evolve with their workflows.

About the Role

As a Lead Applied Scientist you will :

Design and deploy neuro-symbolic AI systems that seamlessly integrate neural learning with structured knowledge representation and ontologies

Build multi-modal models that synthesize insights across text documents structured data and domain-specific artifacts

Explore the emergent intelligence at the intersection of GenAI and machine learning agents creating autonomous systems that reason and act

Develop adaptive domain-specific reasoning capabilities that understand the nuances of legal regulatory and financial contexts

Own and lead end-to-end research deliverablesfrom ideation and experimentation to production deployment

Establish comprehensive AI evaluation frameworks quality assessment methodologies and observability systems that ensure reliability fairness and transparency

Leverage advanced information retrieval techniques prompting workflows and model training strategies to optimize solutions

Shape long-term AI strategy by providing strategic input to business and Labs leadership

Champion AI personalization and continual learning approaches that make products smarter with every interaction

Lead stakeholder engagement across UX Product and Engineering teams to align AI capabilities with user needs

Develop in-depth knowledge of customer problems and data

Mentor scientists and engineers on best practices in applied AI research and production ML systems

Build expertise in knowledge representation domain reasoning and agentic AI architectures

Foster a culture that balances scientific rigor with pragmatic delivery and customer value

About You

Youre a fit for the role Lead Applied Scientist if your background includes :

PhD in Computer Science Machine Learning AI or related field (or Masters with equivalent depth of experience)

7 years building production IR / NLP systems for commercial applications with demonstrated business impact

Strong software engineering capabilities with experience in production code MLOps and managed delivery pipelines

Proven track record translating complex ambiguous problems into successful AI applications

Proficiency inAI evaluation quality assessment and observabilityfor production systems

Neuro-symbolic AI architectures that combine learning and reasoning

Expertise in multi-modal modeling across diverse data types and representation formats

Hands-on experience with knowledge representation ontologies and semantic reasoning systems

Track record implementing AI personalization and continual learning that adapts to user behavior and feedback

Experience with adaptive domain-specific reasoning in specialized professional contexts

Familiarity with emergent intelligence at the intersection of GenAI and machine learning agents including agentic frameworks tool use and autonomous decision-making

Demonstrated ability to scale impact through others in applied research or advanced development settings

Outstanding communication skillsyou translate complex technical concepts for diverse audiences

Proven success collaborating with Product Engineering and Business stakeholders in agile environments

Strong problem-solving and analytical thinking with a bias toward action and iteration

#LI-MW1

Whats in it For You

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 tomorrows 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.

In the United States Thomson Reuters offers a comprehensive benefits package to our employees. Our benefit package includes market competitive health dental vision disability and life insurance programs as well as a competitive 401k plan with company addition Thomson Reuters offers market leading work life benefits with competitive vacation sick and safe paid time off paid holidays (including two company mental health days off) parental leave sabbatical leave. These benefits meet or exceeds the requirements of paid time off in accordance with any applicable state or municipal laws. Finally Thomson Reuters offers the following additional benefits : 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; Tuition Reimbursement; and access to Employee Stock Purchase Plan.

• Thomson Reuters complies with local laws that require upfront disclosure of the expected pay range for a position. The base compensation range varies across locations. For any eligible US locations unless otherwise noted the base compensation range for this role is $147000 - $273000. This role may also be eligible for an Annual Bonus based on a combination of enterprise and individual performance. Base pay is positioned within the range based on several factors including an individuals knowledge skills and experience with consideration given to internal equity. Base pay is one part of a comprehensive Total Reward program which also includes flexible and supportive benefits and other wellbeing programs.

This job posting will close 01 / 18 / 2026.

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.

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. More information on requesting an accommodation here .

Learn more on how to protect yourself from fraudulent job postings here .

More information about Thomson Reuters can be found on .

Key Skills

Laboratory Experience,Immunoassays,Machine Learning,Biochemistry,Assays,Research Experience,Spectroscopy,Research & Development,cGMP,Cell Culture,Molecular Biology,Data Analysis Skills

Employment Type : Full-Time

Experience : years

Vacancy : 1

Monthly Salary Salary : 147000 - 273000