Lead Software Engineer – PythonReact
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Job Summary
Lead Product Engineer (Full Stack) Materia AI
This role is heavily backend focused (roughly 70% backend / 30% frontend).
We are specifically looking for engineers who havebuilt and shipped real products end-to-end not just contributed small features within large organizations.
Strong preference for candidates with:
Hands-on ownership building production products from 01
Python backend depth (FastAPI/Django/APIs/microservices)
Scalable distributed systems
Product engineering mindset
Customer-facing feature ownership
React/TypeScript capability to support full-stack delivery
Startup or greenfield experience
Engineers who can independently design build and deliver systems in production
Frontend experience is required but this isNOT a frontend-heavy/UI-focused role. We need backend-first engineers who can also contribute across the stack when needed.
Are you excited about building AI-driven software that redefines how professionals workHave you built scalable Python backend systems that power customer-facing productsJoin 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 indesigning and building the backend services and APIs that power AI-driven accounting workflows while contributing across the full stack to rapidly iterate on features drive user engagement and optimize outcomes through data-driven experimentation.
Innovate in a Startup-Like EnvironmentBe part of a fast-moving forward-thinking group that is creating AI-driven software for accounting professionals. Youll 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.
Create Impactful AI-Driven ExperiencesLead backend-driven full stack initiatives from Python-based AI services and APIs to the React interfaces that bring them to life. Youll architect and implement complete features that deliver generative AI capabilities alongside core product systems that streamline and modernize accounting workflows. Building the intelligent backend systems and connecting them to polished user experiences your work will shape how thousands of accounting professionals leverage AI and modern software in their everyday workflows.
Collaborate Across FunctionsWork closely with product managers designers and AI specialists to deliver elegant high-performance features. Your ability to translate complex requirements into robust solutions scalable APIs and services complemented by polished interfaces will be key to our products success.
About the Role:
In this role as aLead Product Engineer you will work on abackend-leaning full stack teambuilding customer-facing product features.
This role is abackend-leaning full stack position. The team is looking for engineers with strongPython backend experiencewho have worked oncustomer-facing product systems. While the role involves both backend and frontend development the primary focus is buildingscalable backend services and APIsthat power product features.
Candidates should have strong experience building backend systems usingPython frameworks such as FastAPI Flask or Django and be comfortable designing APIs and services that operate at scale.
On the frontend side the team works with modern frameworks includingReact and TypeScript so candidates should be comfortable contributing across the stack and connecting frontend interfaces to backend services.
The ideal candidate has aproduct mindset enjoysshipping features end-to-end and works closely withproduct managers designers and engineering teamsto deliver high-quality user experiences. While the role is full stackdeep backend expertise in Python is the priority with the ability to contribute to frontend development when needed.
Develop
Design build and maintain the backend services powering generative AI products such as Conversations Accounting Research Ready to Advise and Workspaces
Develop robust backend systems with Python FastAPI Pydantic and cloud infrastructure including API design data modeling system architecture and AI service integration
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
Contribute to front-end development using TypeScript and Tailwind CSS to connect interfaces to backend services
Identify bottlenecks and optimize for speed scalability and responsiveness across the full stack
Collaborate & Lead
Serve as a technical leader for backend-driven projects through making prioritization decisions scoping out timelines guiding the work of 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 and code quality standards for both backend and frontend 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
Champion Product Quality
Drive high standards for backend reliability API design and system performance
Apply strong product sensibilities to deliver polished accessible and user-centric experiences
Proactively collect feedback from end users and internal stakeholders and iterate accordingly
About You:
You are a fit for a Lead Product Engineer (Full Stack) if your background includes:
Were looking for engineers withstrong Python backend experience and solid full-stack capability.You should be a backend-strong engineer who is comfortable working across the stack someone who can architect robust services and APIs and also contribute effectively to the front end when needed.
Experience & Skills
7 years building web applications at scale with deep experience in backend development and practical front-end skills (were looking for backend-strong engineers who can work across the full stack)
Strong proficiency in Python and backend frameworks (FastAPI Flask or Django) with experience designing APIs and services that operate at scale
Comfortable contributing to front-end development with React and TypeScript
Appreciation for good UI/UX and product design you care about the end-user experience even when your primary focus is backend systems
Self-driven with a proactive approach to problem-solving and prioritization
Experience building new products or features from 0 to 1 or from ideation to release
Excellent debugging skills and an eye for performance optimization
Strong leadership and cross-functional collaboration abilities
Bonus Points
Bachelors degree in Computer Science or related field
Experience working in a startup or similar fast-paced setting
Experience building AI-native products chatbot interfaces or API-driven platforms
Familiarity with large language models (LLMs) AI agent design and/or prompt engineering
Experience with cloud infrastructure event-driven architectures or observability tooling
Opinionated about testing methodologies A/B testing and safe rollouts
#LI-SM2
This posting is for proactive recruitment purposes and may be used to fill current openings or future vacancies within our organization.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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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.
