Senior Software Engineer – AI (Westlaw AI)

Senior Software Engineer – AI (Westlaw AI) Join to apply for the Senior Software Engineer – AI (Westlaw AI) role at Thomson Reuters.

Are you passionate about building AI-driven software that transforms how professionals work? Join a dynamic and highly skilled team at Thomson Reuters, where we invest deeply in AI technologies and explore emerging fields with the backing of a global brand.

About the Role As a Senior Software Engineer – AI, you will collaborate with a cross‑functional team of product managers, UX designers, and engineers to design, build, and deliver AI‑powered solutions that power the next generation of expert systems across legal, tax, risk, and compliance domains.

Build AI‑Driven Systems

Architect and implement advanced AI systems, including multi‑component pipelines, retrieval‑augmented generation (RAG), and custom AI agents with multi‑step reasoning.

Integrate AI models into production software through robust APIs and scalable data pipelines.

Adapt AI models and techniques to specialized domains, tailoring solutions for expert systems in areas such as legal, tax, and compliance.

Innovate

Evaluate and prototype cutting‑edge AI techniques to solve business challenges.

Conduct proof‑of‑concept projects for new AI‑driven features.

Stay current with AI research and emerging technologies.

Provide Technical Leadership

Break down ambiguous requirements into scalable technical specifications.

Mentor junior engineers and facilitate technical discussions.

Contribute to ML blogs and LLMOps practices within the team.

Present thought leadership at internal and external forums representing the organization in emerging technology areas.

Ensure Quality & Operations

Implement comprehensive testing frameworks and monitoring systems for AI model performance.

Ensure strong data governance, bias analysis, and security standards.

Conduct scalability analysis and recommend operational improvements.

Collaborate Across Functions

Work closely with AI researchers, designers, and product teams to translate AI capabilities into real‑world applications.

Optimize AI system performance considering factors like latency and resource usage.

Drive collaboration to feature enhancements through AI capabilities.

Required Skills and Experience

Bachelor’s degree in computer science or equivalent experience.

5+ years of experience in software engineering; at least 2 years focused on AI/ML.

Strong foundation and experience with AI/ML model development.

Sound understanding of machine learning principles, evaluation, and system design.

Experience integrating models into end‑to‑end production‑grade applications.

Experience integrating AI models into production systems and APIs at scale.

Experience with cloud platforms (e.g., AWS, Azure, GCP) and containerized tools (e.g., Docker, Kubernetes).

Proficiency in Python and related frameworks for building AI‑powered systems.

Strong communication skills and experience working in cross‑functional teams.

Preferred Qualifications

Experience with LLM‑driven systems, agent‑based architectures, or AI APIs from providers like OpenAI and Anthropic.

Experience with vector databases, embeddings, or search‑based AI.

Domain knowledge in legal, tax, or compliance systems.

A portfolio of projects demonstrating creativity and skill building solutions with LLMs.

Benefits

Hybrid Work Model: Flexible hybrid working environment (2‑3 days a week in the office depending on the role) with digital and physical connectivity.

Flexibility & Work‑Life Balance: Flex My Way policies, work from anywhere for up to 8 weeks per year, and supportive workplace policies.

Career Development and Growth: Grow My Way programming, skills‑first approach, and continuous learning opportunities.

Industry Competitive Benefits: Flexible vacation, mental health days, Headspace app, retirement savings, tuition reimbursement, incentive programs, and wellness resources.

Culture: Inclusive reputation for inclusion and belonging, flexibility, work‑life balance, and a values‑based work environment.

Social Impact: Paid volunteer days and involvement in ESG initiatives and pro‑bono consulting projects.

Real‑World Impact: Contributions to justice, truth, and transparency worldwide.

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.

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.

Equal Employment Opportunity 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.

Additional Information Learn more on how to protect yourself from fraudulent job postings here. More information about Thomson Reuters can be found on thomsonreuters.com.

Job Details

Seniority level: Mid‑Senior level

Employment type: Full‑time

Job function: Engineering and Information Technology

Industries: Software Development

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