Lead Product Engineer; Full Stack), Materia AI

Lead Product Engineer (Full Stack), Materia AI

Are you excited about building AI-driven software that redefines how professionals work?

Have you developed solutions across the React and Python stacks? 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 Lead Product Engineer, you will play a pivotal role in rapidly building and iterating on features that enhance accounting workflows and drive user engagement, from AI-powered capabilities to core product improvements, using data-driven experimentation to optimize outcomes.

Innovate in a Startup-Like Environment Be part of a fast-moving, forward-thinking group that is creating AI-driven software for accounting professionals. You’ll join a team of top engineers and AI developers, 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.

Lead full stack initiatives—from React interfaces to Python-based AI services and APIs. You’ll architect and implement complete features that bring generative AI capabilities to life, alongside core product capabilities that streamline and modernize accounting workflows. Crafting both the user‑facing experiences and the intelligent systems that power them, your work will shape how thousands of accounting professionals leverage AI and modern software in their everyday workflows.

Work closely with product managers, designers, and AI specialists to deliver elegant, high-performance features. Your ability to translate complex requirements into complete solutions—beautiful interfaces backed by robust APIs and services—will be key to our product’s success.

• Design, build, and maintain generative AI products such as Conversations, Accounting Research, Ready to Advise, and Work spaces
• Own complex, 6+ month projects from beginning to end, including ideation, working with cross‑functional partners in product and UX, testing, launching, measuring impact, and iteration
• Build engaging front‑ends using Next.js, Type Script, and Tailwind CSS
• Develop robust back‑ends with Python, FastAPI, Pydantic, and cloud infrastructure, including API design, data modeling, and AI service integration
• Identify bottlenecks and optimize for speed, scalability, and responsiveness across the full stack
• Serve as a product leader for full‑stack projects through prioritization decisions, scoping out timelines, guiding the work of product and backend engineers, and collaborating with cross‑functional partners
• Contribute to technical design decisions across the stack, including architecture, API design, and system integration patterns
• Set and enforce team‑wide frameworks, best practices, code quality and best practices for both front‑end and back‑end development
• Mentor and develop junior and mid‑level engineers through code reviews, technical guidance, and career development
• Establish and maintain high engineering standards for code quality, testing, and architecture
• Lead by example in technical excellence, delivery accountability, and collaborative problem‑solving
• Apply strong design sensibilities to deliver polished, accessible, and user‑centric interfaces
• Proactively collect feedback from end users and internal stakeholders, and iterate accordingly

You are a fit for a Lead Product Engineer (Full Stack) if your background includes:

We’re looking for engineers with strong hands‑on experience in both React and Python. While you should be capable in both front‑end and back‑end development, we value depth—whether you’re a front‑end engineer who’s grown into back‑end work, or a back‑end engineer who’s passionate about user experience.

ORIGINAL: “We’re looking for engineers with hands‑on experience across the full stack.

• 7+ years building web applications at scale, with practical experience in both front‑end and back‑end development (we welcome engineers who are stronger…