Senior Software Engineer, AI

Refinitiv; Toronto; On-site; CAD 100,000 - 145,000; Full time

Benefits offered by this job

Hybrid Work Model

Mental Health Days

Tuition Reimbursement

Volunteer Days

Flexible vacation

Job summary

Thomson Reuters in Toronto is seeking a Senior Software Engineer, AI, to design and deliver AI/ML powered features for our rapidly evolving information platforms.

You will collaborate with Product Management, Technology and Labs to deploy AI-driven capabilities, optimize models, and scale infrastructure for real-time use cases.

Qualifications

• 4+ years of software engineering experience with 3+ years focused on AI/ML development.
• Proven track record of shipping AI/ML features to production environments.
• Experience with model training, validation, and deployment at scale.

Responsibilities

• Design and develop AI/ML-powered features and capabilities from concept to production.
• Implement machine learning models, algorithms, and data pipelines.
• Build and optimize neural networks, deep learning models, and other AI architectures.
• Develop APIs and services that integrate AI/ML capabilities into existing systems.
• Write clean, maintainable, and well-documented code following best practices.
• Collaborate with data scientists to productionize research models and prototypes.
• Architect scalable AI/ML infrastructure and deployment pipelines.
• Monitor and optimize model performance, latency, and resource utilization.
• Implement A/B testing frameworks for AI/ML features.

Skills

AI/ML development

Python

APIs

RESTful services

Code reviews

Mentoring

Model deployment

Data pipelines

AI infrastructure

Tools

Python

REST

Job description

Senior Software Engineer, AI. Are you ready to shape the future of AI-driven content technology while leading cutting-edge innovation in a mission-critical role? Do you thrive in environments where your technical expertise can directly impact how the world's leading professionals access and utilize information? We are seeking a talented, self-driven and highly motivated Senior Software Engineer to join the Corporates Tax and Trade team in Toronto. In this role, you will develop scalable and innovative solutions using AI and Machine Learning on a rapidly growing line of products. You will work closely with Product Management, Technology and our Labs teams to enable our customers to build successful AI driven features and products to take their business to the next level.

About the Role

• Design and develop AI/ML-powered features and capabilities from concept to production
• Implement machine learning models, algorithms, and data pipelines
• Build and optimize neural networks, deep learning models, and other AI architectures
• Develop APIs and services that integrate AI/ML capabilities into existing systems
• Write clean, maintainable, and well-documented code following best practices
• Collaborate with data scientists to productionize research models and prototypes
• Architect scalable AI/ML infrastructure and deployment pipelines
• Conduct code reviews and mentor junior developers on AI/ML best practices
• Stay current with emerging AI/ML technologies and recommend adoption strategies
• Participate in technical design discussions and architectural decisions
• Monitor and optimize model performance, latency, and resource utilization
• Implement A/B testing frameworks for AI/ML features
• Debug and troubleshoot complex AI/ML systems in production environments
• Ensure models are robust, reliable, and perform well at scale
• Write clean, well-tested, and maintainable code in Python (or other relevant languages)
• Develop and integrate RESTful APIs and microservices to expose AI/ML capabilities to internal and external systems
• Implement robust monitoring, logging, and alerting for AI/ML models and systems in production
• Optimize model inference for speed and efficiency
• Contribute to the full software development lifecycle, from requirements gathering and design to deployment, monitoring, and maintenance

About You

• 4+ years of software engineering experience with 3+ years focused on AI/ML development
• Proven track record of shipping AI/ML features to production environments
• Experience with model training, validation, and deployment at scale
• Background in developing real-time and batch ML inference systems
• Strong understanding of machine learning algorithms and statistical methods
• Experience with GenAI, NLP, Information Retrieval, recommendation systems, or other AI domains
• Knowledge of model optimization techniques and performance tuning
• Understanding of data privacy, security, and ethical AI considerations

New Position: This position is open due to an existing vacancy to support our evolving business needs.

What’s in it For You?

• Hybrid Work Model: We’ve adopted a flexible hybrid working environment 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 tomorrow’s 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 your 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.

Our use of AI within the recruitment process

Thomson Reuters utilizes Artificial Intelligence (AI) to support parts of our global recruitment process. Unless you opt-out, our AI system will assess the information provided by you and compare it to the requirements listed for the role, and present the result to our recruitment personnel for further review. The AI system acts as a supporting tool, but there is always a human making the decision if you will be considered for the role.

Thomson Reuters complies with local laws that require upfront disclosure of the expected pay range for a position. The base compensation range varies across locations. For Ontario, Canada, the base compensation range for this role is $100,000 CAD - $145,000 CAD. Base pay is positioned within the range based on several factors including an individual’s knowledge, skills and experience with consideration given to internal equity. Base pay is one part of a comprehensive Total Reward program which also includes flexible and supportive benefits and other wellbeing programs. This role may also be eligible for an Annual Bonus based on a combination of enterprise and individual performance.

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 26,000 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.

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. We also make reasonable accommodations for qualified individuals with disabilities and for sincerely held religious beliefs in accordance with applicable law. More information on requesting an accommodation here.

Learn more on how to protect yourself from fraudulent job postings here. More information about Thomson Reuters can be found on thomsonreuters.com. At Thomson Reuters, we’re not riding the AI wave — we’re reshaping the future of professional work across law, tax, compliance, and journalism. Here, you will collaborate with smart, ambitious people who thrive on solving complex problems, delivering market‑leading solutions, and innovating with curiosity and care. Learn more on how to protect yourself from fraudulent job postings here.