Senior Software Engineer - AI (Materia AI)

About the Role

Senior Software Engineer – AI (Materia AI) We’re building the next generation of AI‑powered platforms for tax and accounting professionals, and we’re looking for a Senior Software Engineer who can architect high‑performance backend systems that bring real‑world AI capabilities to life.

• Design, implement, and optimize backend services that fuel AI‑native experiences across our Materia‑driven product ecosystem.
• Shape the architecture, scalability, and reliability of systems that coordinate LLM interactions, serve high‑traffic APIs, and manage large‑scale content processing.
• Design and build backend services using Python, FastAPI, and PostgreSQL to support real‑time AI interactions and large‑scale data flows.
• Define service boundaries, system interfaces, and scalable design patterns for the AI platform.
• Develop high‑performance APIs and microservices that power AI agents, orchestration engines, and content pipelines, ensuring smooth operation under heavy load.
• Integrate backend systems with modern LLM providers (e.g., OpenAI, Anthropic) and implement reliable orchestration, routing, and execution safeguards.
• Productionize AI capabilities with robust error handling, guardrails, telemetry, and deep observability for performance and reliability.
• Lead core engineering decisions—driving architecture reviews, mentoring teammates, and promoting best practices in testing, resiliency, and maintainability.
• Strengthen CI/CD pipelines and DevOps automation to support fast, stable, cloud‑native development workflows.
• Collaborate closely with ML engineers, product managers, and designers to turn early AI concepts into scalable backend solutions.
• Deliver backend systems that transform ambitious AI ideas into production‑ready experiences used by thousands of professionals.

Required Qualifications

• Minimum 7+ years building backend systems, APIs, and microservices.
• Strong proficiency in Python, FastAPI, PostgreSQL, and AWS cloud services.
• Deep understanding of distributed systems, architecture, and data modeling.
• Experience with AI‑driven systems or agent‑based architectures.
• Proven ability to deliver production‑ready, highly reliable systems.
• Excellent debugging skills and strong cross‑functional communication.
• Comfortable operating in fast‑paced, iterative environments.

Preferred Skills

• Curiosity and enthusiasm for integrating AI technologies into real applications.
• Familiarity with embeddings, vector search, or RAG retrieval patterns.
• Strong opinions on testing, automation, and operational robustness.
• Experience with modern LLM APIs or orchestration frameworks.

Benefits

• Hybrid Work Model: 2–3 days a week in the office with digital and physical connectivity.
• Flex My Way: Supportive workplace policies to manage personal and professional responsibilities.
• Base compensation range: $100,000 CAD – $145,000 CAD (location dependent).
• Flexible vacation, two company‑wide Mental Health Days, Headspace app, retirement savings, tuition reimbursement, employee incentive programs, and resources for mental, physical, and financial wellbeing.

Equal Employment Opportunity

We seek talented, qualified employees in all our operations around the world regardless of race, color, sex/gender, 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 and making reasonable accommodations for qualified individuals with disabilities and sincerely held religious beliefs in accordance with applicable law.