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Apply remote type Remote Job: Hybrid locations CAN-Toronto-19 Duncan Street time type Full time posted on Posted 30 Days Ago job requisition id JREQ189890

Lead Software Engineer - AI, Westlaw

We are seeking an experienced Lead Software Engineer to join our fast-moving, forward-thinking group that is creating AI-driven software for legal professionals, and our flagship product, Westlaw. You will be developing and implementing cutting-edge solutions using Python, REST APIs, AI technologies, and AWS cloud infrastructure.

About the Role:

In this role as a Lead Software Engineer - AI, you will:

• Innovate, implement and operationalize in a fast-paced Environment
• Be part of a fast-moving, forward-thinking group that is creating AI-driven software for legal 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 developing backend services for Legal Research products.
• Design and implement backend services that power generative AI agents and orchestration systems. This role requires both creativity and rigor to ensure our AI-driven solutions are performant, reliable, and adaptable to real-world use cases.
• Work closely with AI/ML engineers from TR Labs, frontend developers from Westlaw UI teams, product managers, and designers to build robust services that support generative AI experiences. Help to build out our core AI interfaces such as Conversations, Workspaces, Grid, and Knowledge Base.

Key Responsibilities:

• Develop and maintain backend services using Python, FastAPI, and PostgreSQL.
• Implement AI orchestration systems integrating LLMs from OpenAI, Anthropic, and other providers.
• Design APIs and backend logic for real-time AI interactions.
• Help to build our content services to automate many different AI driven workflows across the legal professional domain

• Ensure backend systems are secure, scalable, and optimized for AI-driven applications.
• Monitor and enhance system performance, across millions of documents and AI driven interactions

• Work closely with AI researchers, engineers, and product teams to translate AI capabilities into real-world applications.
• Foster a culture of experimentation and continuous improvement, exploring new AI technologies and methodologies.
• Work closely with AI researchers, engineers, and product teams to translate AI capabilities into real-world applications.
• Foster a culture of experimentation and continuous improvement, exploring new AI technologies and methodologies.

About You

You’re a fit for the role of Lead Software Engineer - AI, if your background includes:

• Bachelors Degree in Computer Science, Computer Engineering, Related Field, or Equivalent Experience.
• 7+ years of hands-on software development experience in backend development, building scalable web services, and APIs.
• 3+ years of hands-on Python development with experience in FastAPI (Other API Tools Acceptable) and PostgreSQL (Other SQL Tools Acceptable).
• Expertise in AWS cloud services ( Redis,DynamoDB,S3,SQS,Kinesis,KMS,IAM,SecretManager,etc) or similar cloud services.
• Experience managing infrastructure with Terraform, CloudFormation, or similar IaC tooling.
• Strong DataEngineeringbackground and experiencewithRetrievalSystemsleveragingtoolslikeOpenSearch.
• Experience implementing modern DevOps best practices in production environments (CI/CDusingGitHubActionsandAWSservices(CodePipeline/CodeBuild)
• ExperiencewithLLMs,AISolutions,andevaluation and understandingofagenticsystemsandworkflow
• Excellent interpersonal skills with the ability to influence across organizational boundaries
• A pragmatic and curious mindset that drives you to find elegant solutions to complex problems
• Strong communication skills that enable you to articulate technical concepts to diverse audience
• Demonstrated ability to mentor others and contribute to engineering culture
• Experience in using AI-powered tools in SDLC is required.

#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. 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 thomsonreuters.com.

remote type Remote Job: Hybrid locations CAN-Toronto-19 Duncan Street time type Full time posted on Posted 13 Days Ago time left to apply End Date: June 6, 2025 (18 days left to apply)remote type Remote Job: Hybrid locations CAN-Toronto-19 Duncan Street time type Full time posted on Posted 30 Days Agoremote type Remote Job: Hybrid locations 8 Locations time type Full time posted on Posted 23 Days Ago time left to apply End Date: May 26, 2025 (7 days left to apply)

Thomson Reuters informs the way forward by delivering trusted content and technology that professionals and institutions need to make the right decisions. We are modernizing the pillars of society through the digitalization of the tax and legal professions, the free press, commerce, and the rule of law, and elevating the way professionals and institutions work.

Discover how Thomson Reuters approaches AI innovation as Chief Product Officer David Wong breaks down the essential components.