Senior Backend Engineer, Materia AIAre you excited about building AI-driven software that redefines how professionals work? Join a dynamic and highly skilled team at Thomson Reuters, where we combine the agility and innovation of a startup with the stability and resources of a global leader. As a Senior Backend Engineer, you will play a pivotal role in developing AI-powered systems that enhance accounting workflows through automation, intelligence, and seamless orchestration.About the Role:
In this role as a Senior Backend Engineer, you will:Innovate in a Startup-Like EnvironmentBe part of a fast-moving, forward-thinking group that is creating AI-driven software for accounting 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 CoCounsel for Accounting team, formed from the recent acquisition of the startup Materia.Build AI-Driven SystemsDesign 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.Collaborate Across FunctionsWork closely with AI/ML engineers, frontend developers, 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:Backend Development & AI Integration
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 design our AI Platform to automate many different AI driven tasks across the accounting domainPerformance & Scalability
Ensure backend systems are secure, scalable, and optimized for AI-driven applications.
Monitor and enhance system performance, across millions of documents and AI driven interactionsCollaboration & Leadership
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 are a fit for the position of Senior Backend Engineer if your background includes:Required Experience & Skills:
Bachelors Degree in Computer Science, Computer Engineering, Related Field, or Equivalent Experience 4+ years of experience in backend development, building scalable web services and APIs.
Strong Python skills, with experience in FastAPI, PostgreSQL, and AWS.
Experience in API and data model design.
Strong debugging skills and a track record of building production-grade software.
Strong communication and cross-functional collaboration abilities.
Passion for AI-driven software and new engineering paradigms.
A creative problem solver who enjoys exploring new technologies.
Dedicated to building high-quality, reliable AI-first systems.
Comfortable working in a fast-paced, evolving environment.Preferred Skills & Experience
Experience with AI-driven systems, agent-based architectures, or AI APIs from providers like OpenAI and Anthropic.
Knowledge of vector databases, embeddings, or search-based AI.
Strong opinions on backend testing strategies and automation.#LI-JF1What's in it For You?Join us to inform the way forward with the latest AI solutions and address real-world challenges in legal, tax, compliance, and news. Backed by our commitment to continuous learning and market-leading benefits, you'll be prepared to grow, lead, and thrive in an AI-e