Senior Data Scientist

We are seeking a highly accomplished Senior Data Scientist for an enterprise-level contract opportunity based in Toronto. In this role, you will take on a key advanced analytics, artificial intelligence, and data engineering capacity, specializing in building, deploying, and optimizing predictive machine learning models and scalable cloud analytics solutions.

As a Senior Data Scientist, you will bridge the gap between complex raw data sources, advanced AI/ML algorithms, and business decision-makers. Operating within a hybrid work model in Toronto, you will collaborate with cross-functional teams to design end-to-end data pipelines, execute feature engineering, transform massive datasets using Azure Databricks and Apache Spark, and deploy production-grade models using Azure Machine Learning and Azure OpenAI services. This position demands a technical authority in Python and SQL who can drive data-informed strategies, ensure model performance and scalability, and create impactful visual dashboards.

Location: Toronto, ON

Assignment Type: Hybrid (Minimum 2 days per week onsite)

Contract Duration: 12-month contract

Advantages
Modern Azure Ecosystem: Hands-on engineering across Azure Databricks, Azure Synapse, Azure Machine Learning (AML), and Azure OpenAI.

Cutting-Edge AI/ML: Build and deploy scalable predictive models, statistical algorithms, and generative AI solutions.

Big Data Scale: Transform massive structured and unstructured datasets utilizing Apache Spark and distributed computing frameworks.

Impactful Data Storytelling: Deliver actionable business insights through advanced Power BI dashboards and executive presentation decks.

Flexible Working Arrangement: Enjoy a structured hybrid working model combining collaborative onsite teamwork in Toronto with remote flexibility.

Responsibilities
Collaborate with cross-functional technical and business teams to identify key organizational challenges and implement data-driven solutions.

Design, build, deploy, and maintain machine learning and artificial intelligence models for predictive analytics and advanced decision-making.

Process, clean, and transform large-scale structured and unstructured datasets using Azure Databricks, Apache Spark, and Python.

Develop, optimize, and maintain ETL/ELT data pipelines integrated with Azure Synapse, Azure SQL Server, and data lake storage structures.

Perform exploratory data analysis, feature engineering, statistical modeling, and model performance tuning.

Build, deploy, and monitor production AI/ML models using Azure Machine Learning (AML) services, Azure OpenAI, and cloud infrastructure.

Create interactive reports, visual data stories, and executive dashboards using Power BI to communicate actionable insights.

Ensure best practices in data governance, data virtualization, model drift monitoring, and scalable cloud architecture.

Author detailed technical designs, functional specifications, system runbooks, and presentation materials for project stakeholders.

Conduct unit testing and provide ongoing technical support through system integration, QA, and User Acceptance Testing (UAT) phases.

Qualifications
Core Requirements & Technical Expertise
Data Science & ML Experience: Minimum 5+ years of hands-on experience in data science, predictive modeling, machine learning, and advanced analytics.

Azure Cloud & Analytics Platform: Minimum 5+ years of hands-on experience working with Azure SQL Server, Azure Synapse, and Azure Databricks.

Programming Proficiency: Minimum 5+ years of advanced programming experience in SQL and Python for data manipulation, querying, and script automation.

Big Data Frameworks: Expertise in Apache Spark, big data processing, data lake architectures, and data warehousing principles.

AI/ML Model Deployment: Proven track record building and deploying production AI/ML models using Azure Machine Learning (AML) services, Azure OpenAI, or related cloud platform tooling.

Data Visualization: Hands-on experience developing interactive reports, metrics, and dashboards using Power BI or comparable visualization tools.

Preferred Certifications & Standards
Azure Certifications: Microsoft Certified: Azure Data Engineer Associate or Microsoft Certified: Azure AI Engineer Associate designations are considered valuable assets.

Compliance Awareness: Familiarity with data accessibility standards, including the Accessibility for Ontarians with Disabilities Act (AODA) and related privacy guidelines.

Soft Skills & Analytical Competencies
Critical Thinking & Analysis: Advanced analytical and problem-solving skills to derive clear, actionable insights from complex, noisy datasets.

Communication & Stakeholder Management: Excellent verbal, written, and presentation skills with a demonstrated ability to explain complex technical AI concepts to non-technical stakeholders.

Summary
If you're interested in the "Senior Data Scientist" role based in Toronto, we encourage you to apply online at www.randstad.ca.
Only qualified candidates will be contacted for the next steps. We look forward to hearing from you!

Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary/gender non-conforming; Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.

Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to [email protected] to ensure their ability to fully participate in the interview process.

This posting is for existing and upcoming vacancies.