Lead Software Engineer AI (Staff Engineer)
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Job Summary
Thomson Reuters products power the professionals who are shaping the world. Our platforms drive legal tax accounting and audit products including Cloud Audit Suitea connected set of products spanning Engagement Manager and Guided Assurance. As a Lead Software Engineer AI (Staff Engineer AI) you will own core backend and AI orchestration systems that turn frontier models into reliable productiongrade workflows at scale. You will also help drive our shift to an engineering-led AI-native organization one where AI writes much of the code and engineers stay in the loop to provide judgment architecture and direction where it matters most.
About the role:
You will be a Lead Software Engineer AI (Staff Engineer) responsible for the architecture and system design of Audit Suite.
Shape the teams AI and patterns: Define patterns for building MCP servers designing agents novel uses of LLMs experimentation and scalable infrastructure. Your decisions will influence your product area and adjacent teams not just a single feature.
Work at real production scale: Build and evolve systems that operate over millions of documents highly structured tax data ever-changing laws and thousands of concurrent AI interactions from accountants doing timesensitive work.
Small teams big surface area: Interact and lead across several teams of engineers product UX design and AI Labs partners to research design and ship products quickly with direct access to product leadership and customers.
Great fit for people who enjoy and thrive at setting technical direction mentoring senior engineers and spending most of their time in the code and architecture of AI systems.
Shape the platform integration strategy across new and existing Thomson Reuters audit systems to provide world-class content and solutions for our customers.
What youll do:
Technical leadership and crossfunctional influence
Lead multiquarter initiatives that cut across AI product and infra (e.g. a new orchestration layer a low-latency retrieval system or a unified knowledge base).
Mentor senior and mid-level engineers raising the bar on system design code quality and AI integration practices across the org.
Be a go-to expert in new model capabilities collaborating closely with AI/ML engineers researchers designers and PMs to translate industry improvements into reliable userfacing workflows that accountants trust.
Help shape the teams roadmap technical strategy and engineering culture from experimentation practices to testing rollout and postmortems.
Design and own AIfirst backend systems
Own the end-to-end architecture and design of backend services (C#/.NET Python FastAPI PostgreSQL AWS Vercel) that integrate and orchestrate across heterogeneous systems and technology stacks powering generative AI agents complex workflows and documentcentric experiences.
Build and evolve AI orchestration: routing tool calling MCP servers multistep workflows safety and guardrails and robust error handling around thirdparty LLMs (OpenAI Anthropic and others).
Scale reliability and performance
Design for highthroughput lowlatency AI workloads: caching queuing ratelimiting model failover and cost/performance trade-offs.
Work with largescale data: millions of documents retrieval and search vector stores and indexing strategies tailored to tax and accounting use cases.
Establish and refine SLOs observability and incident response for AI systems that must be correct auditable and trustworthy in professional workflows.
About You:
You are a fit for the position of Lead Software Engineer AI (Staff Engineer) if your background includes:
Required Experience & Skills:
Bachelors degree in Computer Science Computer Engineering a related field or equivalent experience
5-7 years of experience in full-stack development building scalable cloud-based applications web services APIs and AI-driven products.
C# .NET expertiseand experience withproduction systemsusing frameworks like Core (or similar) relational databases (SQLServer PostgreSQL or equivalent) and amajor cloud provider(AWS preferred Azure).
Experience architecting and implementing accessible front-end solutions including: JavaScript Typescript HTML CSS; experience with modern JavaScript frameworks e.g. Angular React etc.
Strong background in distributed systems: data modeling API contracts observability resilience patterns and performance tuning under load.
Proven track record leading large complex projects endtoend: architecture execution rollout and longterm operation.
Excellent communication skills and the ability to partner with product design and ML teams in a fastmoving environment.
Demonstrated interest in AI systems and new engineering paradigms: LLMs agents retrieval or similar you care about what AInative software should look like.
Preferred Skills & Experience
Experience designing and implementing CI/CD pipelines (i.e. GitHub Actions)
Handson experience integrating LLM APIs (e.g. OpenAI Anthropic) into production applications including prompt/response management cost controls and safety considerations.
Experience with AIadjacent infrastructure: vector databases embeddings semantic search or custom retrieval pipelines.
Opinions and experience around automated testing reliability and release practices for systems with non-deterministic model behavior.
Prior experience in domains where correctness auditability and compliance matter (fintech tax audit legal or similar) or strong interest in applying AI in those contexts.
#LI-SB1
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.
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.
Thomson Reuters makes reasonable accommodations for applicants with disabilities including veterans with disabilities and for sincerely held religious beliefs in accordance with applicable law. If you reside in the United States and require an accommodation in the recruiting process you may contact our Human Resources Department at. Disability accommodations in the recruiting process may include things like a sign language interpreter making interview rooms accessible providing assistive technology or other relevant accommodations. Please note this email is not intended for general recruitment questions and we will promptly respond to inquiries regarding accommodations. More information on requesting an accommodation here.
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Required Experience:
Staff IC
About Company
Document Intelligence from Thomson Reuters makes analyzing contracts and documents easy by leveraging the power of A.I. and the expertise of Practical Law.
