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Lead Applied Scientist, Document Understanding

Thomson Reuters


Job Location:

Zug - Switzerland

Monthly Salary: Not provided by the employer
Posted: 21 August 2026 (4 days ago)
Application Deadline: 18 November 2026
Vacancies: 1 Vacancy

Job Summary

Lead Applied Scientist Document Understanding

This position is based in either Zug Switzerland or London UK.

Want to use your experience of building document understanding AI solutions to enhance our leading products in the tax legal and professional services industries

Document understanding is a foundational intelligence layer that powers every major capability across our legal AI platformfrom search and information extraction to agentic reasoning in products like Westlaw PracticalLaw and CoCounsel. Youll build state-of-the-art semantic chunking document enrichment and knowledge graph construction systems that serve as the cognitive foundation multiple product teams depend on working across authoritative legal tax and accounting content and extraordinarily diverse customer data.

This is a rare opportunity to solve publishing-quality research problems with immediate production impactyour innovations will directly shape how millions of legal professionals research analyze and reason over complex legal documents while advancing the capabilities that enable the next generation of intelligent legal AI agents.

You will work across semantic chunking document enrichment intelligent classification information extraction knowledge graph construction and tabular data understanding for complex legal tax and accounting content. This work forms the foundation for downstream search retrieval reasoning and generative AI experiences.

About the Role

As Lead Applied Scientist Document Understanding at Thomson Reuters you will:

  • Design and deploy semantic chunking systems for lengthy non-uniformly structured legal tax and accounting documents

  • Build document enrichment pipelines that identify document types jurisdictions legal concepts entities parties and other domain-specific metadata

  • Develop hierarchical and multi-label document classification systems using both standard and customer-defined taxonomies

  • Build LLM-based and traditional NLP information extraction pipelines that identify entities relationships citations references and key concepts from unstructured content

  • Develop knowledge graph construction systems that extract normalize connect and enrich entities legal concepts citations and relationships across large document collections

  • Design systems that identify interpret and extract insights from complex tabular data embedded within legal tax regulatory and accounting documents

  • Create document intelligence capabilities that support downstream search retrieval RAG and agentic AI workflows

  • Design robust evaluation frameworks for document understanding systems using expert annotations synthetic datasets and production metrics

  • Lead technical decisions on document analysis architectures chunking strategies extraction methodologies classification approaches and knowledge representation frameworks

  • Partner closely with engineering teams to deliver scalable reliable and production-ready AI systems

  • Provide technical leadership and input into AI strategy platform capabilities and long-term roadmap decisions

  • Mentor applied scientists and machine learning practitioners across the organization

About You

Youre a fit for the role of Lead Applied Scientist Document Understanding if you have:

  • PhD in Computer Science AI NLP Machine Learning Information Retrieval or a related field with demonstrable post-degree industry experience developing and deploying document understanding systems at scale.

  • Hands-on depth across document analysis information extraction classification knowledge representation evaluation and production deployment.

  • Successfully taken advanced NLP and AI capabilities from research through production and understand how to transform complex unstructured content into structured knowledge that powers search retrieval reasoning and intelligent workflows.

  • A collaborative mindset where you can mentor and measure success by what ships and performs in production.

  • Experience of building production document understanding systems that go beyond basic OCR or document parsing and deliver measurable business impact.

  • An understanding of how to transform large collections of unstructured documents into structured knowledge assets building knowledge graphs from real-world content and using them to improve retrieval reasoning and AI workflows and extracting meaningful insights from both natural language and complex tabular content.

#LI-JB2

Whats in it For You

  • Hybrid Work Model: Weve 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 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.

DISCLAIMER

The above information in this description has been designed to indicate the general nature and level of work performed by employees within this classification. It is not designed to contain or be interpreted as a comprehensive inventory of all duties responsibilities and qualifications required of employees assigned to this job.

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 26000 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. More information on requesting an accommodation here.

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More information about Thomson Reuters can be found on


Required Experience:

IC


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