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Senior Software Engineer, AI II

Job in Toronto, Ontario, C6A, Canada
Listing for: Refinitiv
Part Time position
Listed on 2026-01-01
Job specializations:
  • Software Development
    AI Engineer, Machine Learning/ ML Engineer
Job Description & How to Apply Below
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***** Senior Software Engineer, AI
*** We are seeking a talented, self-driven and highly motivated Software Engineer, AI 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
** In this opportunity as Senior Software Engineer, AI you will perform the following responsibilities## ##
** Development & Implementation*** ## Develop and maintain AI/ML features under the guidance of senior team members
* Implement machine learning models and integrate them into software applications
* Write clean, well-documented code following established coding standards
* Participate in the full software development lifecycle for AI/ML projects
* Assist in building data pipelines and preprocessing workflows
* Support model deployment and monitoring activities
** Collaboration & Growth
*** Work closely with senior engineers to understand AI/ML system architecture
* Collaborate with data scientists to implement proof-of-concept models
* Participate in code reviews and incorporate feedback to improve code quality
* Attend team meetings and contribute to technical discussions
* Document development processes and create technical specifications
* Stay updated on AI/ML trends and technologies through continuous learning
** Performance & Optimization
*** 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
* ** Software Engineering Excellence:**  + 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.
** Technical Foundation
*** Programming

Languages:

Proficiency in Python; familiarity with Java, JavaScript, or C++ is a plus
* ML Basics:
Understanding of fundamental machine learning concepts and algorithms
* Frameworks:
Basic experience with at least one ML framework (Tensor Flow, PyTorch, scikit-learn)
* Software Development:
Knowledge of version control (Git), testing, and debugging
* Data Handling:

Experience with data manipulation using pandas, Num Py, or similar libraries
* Databases:
Basic SQL knowledge and understanding of database concepts
** About You
** You're a fit for the role of
** Senior Software Engineer, AI
** if you have the following required qualifications:
** Educational Background
*** Bachelor's degree in Computer Science, Software Engineering, Data Science, or related field
* Coursework or projects involving machine learning, statistics, or data analysis
* Understanding of software engineering principles and object-oriented programming
* 3+ years of professional software development experience
* Professional, academic or personal projects demonstrating AI/ML implementation
* Experience in software development or data science (preferred)
* Experience with cloud platforms (AWS, GCP, Azure) is a plus#LI-SM2
* ** Hybrid Work Model:
** We’ve 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…
Position Requirements
10+ Years work experience
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