Data Scientist at Aviva in Markham, Ontario, Canada

Data Scientist Location: Markham Experience Aviva Together, we are Aviva. Our values — Care, Commitment, Community, and Confidence — guide how we show up for each other and for our customers. Individually, they’re words. Together, they define who we are. At Aviva Canada, we put people first, our employees, our customers, and our communities. We’re proud of a culture built on care, inclusion, and collaboration, where your voice matters and your growth is supported. We’re not just about insurance; we’re about making a real difference by protecting what matters most. The Opportunity Join an exciting team of data scientists and engineers at the forefront of using data to drive decisions at every level of our organization. The insurance industry is undergoing a transformation and you get to be in the driver’s seat of this data-driven, technology revolution. As a Data Scientist on the Fraud Data Science team, you’ll work closely with a wide range of business partners and help shape future products and solutions. You’ll contribute to high‑impact initiatives focused on fraud detection, using machine‑learning‑based solutions to protect customers and the business. You’ll be involved across the full development lifecycle, from idea generation and experimentation through deployment, monitoring, and ongoing support. Your work will include building and deploying data pipelines, machine learning, and statistical models used in real‑world applications at scale. The team’s models are already running in production, and you’ll help expand and evolve these capabilities as part of our ongoing InsurTech transformation. What you’ll do: Design, develop, test, and deploy scalable, production‑ready code and machine learning models. Transform large, complex datasets into actionable insights, recommendations, and data‑driven decisions. Develop innovative approaches to pattern recognition using machine learning, statistical, and analytical techniques. Design and deploy models to real‑time APIs, ensuring reliability, performance, and scalability. Communicate insights and model outcomes clearly to both technical and non‑technical audiences. Maintain, enhance, and optimize existing codebases and data pipelines. Drive delivery accountability for both project‑based initiatives and BAU work, aligned to agreed timelines and priorities. Ensure solutions conform to IT and Enterprise Architecture standards where applicable. What you’ll bring: MSc in Computer Science, Engineering, Mathematics, Statistics, Physics, or a related field (PhD preferred). 2+ years of experience across the end‑to‑end model development lifecycle, working with large and complex datasets (industry or academic/post‑doctoral experience considered). 2+ years of experience programming in Python, with a solid understanding of software engineering best practices (modularity, code reusability, version control, repositories). Proficiency in SQL and Git, with hands‑on experience collaborating in shared codebases. Experience productionizing machine learning models, including monitoring, maintenance, and MLOps practices. Familiarity with data warehouse concepts, ETL strategies and data engineering best practices. A strong track record of building robust, maintainable, high‑quality code. Ability to operate optimally in a data‑driven software engineering environment and translate data into business value. Strong communication and collaboration skills, with the ability to work across disciplines. What makes you stand out: Experience working with cloud‑based data platforms and technologies such as PostgreSQL, Teradata, Hadoop, and AWS. Experience with CI/CD pipelines and modern deployment practices. Exposure to fraud, insurance, or highly regulated domains. Hands‑on experience building and consuming APIs. A creative, curious, and resourceful approach to problem solving . What you’ll get: The salary band for this position ranges from $80,000 to $120,000. Please note that individual salary is determined by factors such as job-related knowledge, skills and experience, as well as internal equity. Compelling rewards package including base compensation, eligibility for annual bonus, retirement savings, share plan, health benefits, personal wellness, and volunteer opportunities. Hybrid flexible work model. Outstanding career development opportunities. We’ll support your professional development education. Competitive vacation package with the option to purchase 5 extra days off per year. Employee-driven programs focused on gender, LGBTQ+, origins, diversity, and inclusion. Corporate wellness programs to support our employees’ physical and mental health. This job advertisement is for an existing vacancy which has been posted both internally & externally. Aviva Canada may use AI (Artificial Intelligence) tools to assist us throughout the recruitment process to screen, assess or select applicants for a position. Aviva Canada welcomes applications from all qualified individuals and has a process in place to provide accommodations for persons with disabilities at all stages of the hiring process and during employment. If you require an accommodation during the interview or hiring process, please contact your Aviva Talent Acquisition Partner so that an appropriate accommodation can be arranged. #LI-MH1 #LI-Hybrid Additional Locations: Toronto