Senior Data Scientist

BDO Canada; Ottawa; Remote; CAD 100,000 - 130,000; Full time

Job summary

A prominent accounting firm is seeking a Senior Data Scientist to collect, analyze, and interpret large datasets. This role involves collaborating with teams to develop ML models and utilize AI solutions. The ideal candidate will have over 5 years of experience and a strong educational background in data science or related fields. This position supports remote work across Canada and offers flexible benefits from day one.

Benefits

Market-leading personal time off

Wellness reimbursement programs

Professional development opportunities

Qualifications

• 5+ years of experience in building and deploying machine learning models in a production environment.
• Proficiency in programming languages like Python, R, or Scala.
• Experience training custom transformer models like Llama and Mistral.

Responsibilities

• Collect, clean, and transform large datasets for analysis.
• Build custom machine learning models and natural language processing systems.
• Train, evaluate, and optimize models for accuracy and explainability.

Skills

Python data science libraries (Pandas, NumPy, etc.)

Machine learning model deployment

Natural language processing

Data visualization

Ethical alignment in AI

Strong verbal and written communication

Education

M.S. or Ph.D. in Computer Science, Data Science, or related field

Tools

TensorFlow

PyTorch

Kubernetes

Nvidia Triton Servers

SQL and NoSQL databases

Git

Job description

Overview

Senior Data Scientist role at BDO Canada. The Innovation and Change team at BDO Canada is onboarding a Senior Data Scientist with the ability to work from anywhere in Canada. As a Data Scientist 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 and service lines to develop, enhance and implement ML predictive models, GEN AI, and AI Agent solutions to facilitate decision making and generate actionable insights that support productivity and revenue gains and contribute to the organization’s strategic goals.

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.

Success indicators

• You demonstrate BDO\'s core values through all aspects of your work : Integrity, Respect and Collaboration.
• You understand your client’s industry, challenges, and opportunities; clients describe you as positive, professional, and delivering high-quality work.
• You identify, recommend, and focus on effective service delivery to clients.
• You contribute to 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 2025. We are committed to providing an environment where you can be successful in the following ways :
• Engage with how we change and evolve, contributing to the success and growth of BDO in Canada.
• Grow professionally through learning and development opportunities across services, industries, and markets.
• Support your personal goals outside of the office and your community involvement.

Employee experience and benefits

BDO is committed to giving back to communities and offers flexible benefits from day one, with a market-leading personal time off policy. We support your overall wellness and provide reimbursement for wellness initiatives.

Diversity, equity and inclusion

BDO fosters a culture of respect, inclusion, and diversity. If you require accommodation to complete the application process, please contact us. Our Code of Conduct provides guiding principles to help us make ethical decisions and maintain trust with each other, our clients, and the public.

Work arrangement

BDO uses a blended work model to support flexible needs, with a mix of office, client site, and virtual work, subject to accommodations or alternative arrangements. The model is designed to meet the needs of our people, the firm, and our clients.

Privacy and consent

With your consent, BDO Canada may use AI technology to transcribe during preliminary conversations for note-taking purposes only. More information is available in the Privacy Policy.

Ready to apply

Click apply now to send your up-to-date resume to one of our Talent Acquisition Specialists. To explore other opportunities at BDO, check out our careers page.

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Engineering and Information Technology