Senior Data Scientist

Putting people first, every day BDO is a firm built on a foundation of positive relationships with our people and our clients. Each day, our professionals provide exceptional service, helping clients with advice and insight they can trust. In turn, we offer an award-winning environment that fosters a people-first culture with a high priority on your personal and professional growth. Your Opportunity BDO Canada is looking to onboard a Senior Data Scientist with the ability to work from anywhere in Canada.In this role, you will be responsible for collecting, analyzing, and interpreting large datasets to drive data-driven decision-making. In addition, you will collaborate with cross-functional teams & service lines to develop, enhance and implement ML predictive models, GEN AI, AI Agent solutions to facilitate in decision making, actionable insights thus achieving productivity and revenue gains and indirectly contributing to the organization's strategic goals.Job Responsibilities
Collect, clean, and transform large, complex datasets for analysis.Build custom machine learning models and natural language processing systems using state-of-the-art techniques.Leverage tools like TensorFlow, PyTorch, Kubernetes, and Nvidia Triton Servers to develop specialized large language models tailored to business needs.Train, evaluate, and optimize models for accuracy, explainability, and ethical alignment.Clearly communicate technical analysis and results to stakeholders using data visualizations, reports, and presentations.Continuously monitor models and data pipelines in production to ensure quality and reliability.Stay up to date on the latest advancements in deep learning, NLP, reinforcement learning, and other AI methods.How we define success for your role
You demonstrate BDO's core values through all aspect of your work: Integrity, Respect and Collaboration. You understand your client’s industry, challenges, and opportunities;
client describe you as positive, professional, and delivering high quality work. You identify, recommend, and are focused on effective service delivery to your clients. You share in an inclusive and engaging work environment that develops, retains and attracts talent. You actively participate in the adoption of digital tools and strategies to drive an innovative workplace. You grow your expertise through learning and professional development.Your experience and education
M.S. or Ph.D. in Computer Science, Data Science, or related quantitative field.5+ years’ experience in building and deploying machine learning models in a production environment.Expertise in Python data science libraries like Pandas, matplotlib, NumPy, and Scikit-Learn.Proficiency in programming languages such as Python, R, or Scala.Experience with SQL and NoSQL databases is essential.Knowledge graph Use Git for version control and collaborative development, ensuring all code is well-documented and follows best practices.Experience training custom transformer models like Llama and Mistral.Knowledge of cloud platforms like Azure, AWS, or GCP for model deployment.Strong verbal and written communication skills.Passion for translating complex data into actionable insights.Why BDO?
Our people-first approach to talent has earned us a spot among Canada’s Top 100 Employers for 2026. This recognition is a milestone we’re thrilled to add to our collection of awards for both experienced and student talent experiences. At BDO, our people experience is guided by three core pillars—Do work with genuine care, Do what matters with purpose, and Do what’s next - shaping how we support our people, serve our clients, and grow together.Our firm is committed to providing an environment where you can be successful in the following ways: We enable you to engage with how we change and evolve, being a key contributor to the success and growth of BDO in Canada. We help you become a better professional within our services, industries, and markets with extensive opportunities for learning and development. We support your achievement of personal goals outside of the office and making an impact on your community.We foster a collaborative, inclusive environment where your ideas are valued, and you can do your best work with genuine care and purpose. We encourage innovation and forward thinking, empowering you to embrace what’s next and help shape the future of our firm. Giving back adds up: Where company meets community. BDO is actively involved in our communities by supporting local charity initiatives. We support staff with local and national events where you will be given the opportunity to contribute to your community.Total rewards that matter
We pay for performance with competitive total cash compensation that recognizes and rewards your contribution. We provide comprehensive benefits from day one, and a flexible personal time off policy. We’re committed to supporting your overall wellbeing and provide reimbursement for wellness initiatives that fit your lifestyle.Everyone counts
We are committed to creating a workplace where employees can participate fully, contribute meaningfully and succeed without barriers. We are dedicated to fostering a workplace defined by respect, fairness, and a true sense of belonging for everyone. We recognize and celebrate the unique experiences, identities, and perspectives that each of us bring – and that these experiences strengthen how we work together.Flexibility
All BDO personnel are expected to spend some of their time working in the office, at the client site, and virtually unless accommodations or alternative work arrangements are in place. Our model is a blended approach designed to support the flexible needs of our people, the firm and our clients. It’s about creating work experiences that meet everyone’s needs and providing flexibility to adjust when, where and how we work to meet the expectations of our role.Code of Conduct
Our Code of Conduct sets clear standards for how we conduct business. It reflects our shared values and commitments and includes guiding principles to help us make ethical decisions and maintain trust with each other, our clients, and the public. BDO may use artificial intelligence enabled tools to support certain aspects of the recruitment process. While these tools assist our teams, our use of AI does not replace human decision making, and all employment-related outcomes are made by BDO personnel. More information on BDO Canada’s Privacy Policy can be found here: Privacy Policy | BDO Canada Ready to make your mark at BDO? To explore other opportunities at BDO, check out our careers page.#LI-SA1When it comes to our people, we believe in helping you unlock possibilities, build your passions, and grow your competitive edge. From our expansive client base to growing talent pool, our people are the core of BDO. Our multi-award winning talent experience continues to make us proud. Our culture is open and collaborative. We foster inclusive ways to thinking and celebrate diversity among all contributors. We respect each other, do all things with integrity, and support our people to be their most authentic selves.
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