Senior Data Scientist

Tata Consultancy Services; Toronto; On-site; CAD 100,000 - 120,000; Full time

Job summary

Tata Consultancy Services Canada Inc. invites a Senior Data Scientist to join the AI CoE.

You will support machine learning initiatives, translate business problems into data-driven solutions, and work end-to-end across data exploration, feature engineering, model development, and evaluation. The role emphasizes strong SQL and Python skills, experience with visualization tools like Tableau or Power BI, and cloud platforms such as Azure Databricks and MLflow.

Qualifications

• Strong applied ML, statistical modeling, analytics, and analytical problem-solving experience.
• Expert knowledge of SQL and Python, with hands-on experience in predictive modeling, forecasting, classification, regression, experimentation, A/B testing, feature engineering, model evaluation, and insights generation.
• Experience translating business problems into practical data science solutions.

Responsibilities

• Build and evaluate models (regression, classification, etc.).
• Deliver end-to-end data science solutions from exploration to production readiness.
• Communicate insights using visualization tools such as Tableau or Power BI.
• Collaborate with data scientists, ML engineers, data engineers, and business partners to accelerate enterprise AI delivery.

Skills

SQL

Python

Machine Learning

Statistical Modeling

A/B Testing

Feature Engineering

Data Visualization

Tools

Tableau

Power BI

Azure ML

Databricks

MLflow

Job description

Tata Consultancy Services (TCS) is an equal opportunity employer, and embraces diversity in race, nationality, ethnicity, gender, age, physical ability, neurodiversity, and sexual orientation, to create a workforce that reflects the societies we operate in. Our continued commitment to Culture and Diversity is reflected in our people stories across our workforce and implemented through equitable workplace policies and processes.

Tata Consultancy Services (BSE: 532540, NSE: TCS) is the technology partner of choice for industry-leading organizations worldwide. Since its inception in 1968, TCS has upheld the highest standards of innovation, engineering excellence and customer service.

It has set an aspiration to become the world's largest AI-led technology services company and is enabling its clients to transform themselves across the full AI stack, from infrastructure to intelligence.

Rooted in the heritage of the Tata Group, TCS is focused on creating long term value for its clients, its investors, its employees, and the community at large. With a highly skilled workforce spread across 56 countries and 194 service delivery centers across the world, the company has been recognized as a top employer in six continents. With the ability to rapidly apply and scale new technologies, the company has built long term partnerships with its clients. Many of these relationships have endured into decades and navigated every technology cycle, from mainframes in the 1970s to artificial intelligence today.

Skills and Responsibilities:

• Build and evaluate models (regression, classification, etc.)
• We are looking for an experienced Senior Data Scientist to support the AI CoE’s Machine Learning and Data Science initiatives.
• The ideal candidate will have strong applied machine learning, statistical modeling, analytics, and analytical problem-solving experience, with the ability to translate business problems into practical data science solutions.
• They should have expert knowledge of SQL and Python, along with hands‑on experience in predictive modeling, forecasting, classification, regression, experimentation, A/B testing, feature engineering, model evaluation, and insights generation.
• This is a highly analytical and hands‑on role focused on delivering end-to-end data science solutions, including data exploration, data preparation, feature engineering, model development, validation, interpretation, and communication of insights.
• Experience with visualization tools such as Tableau, Power BI, or similar platforms is useful, particularly for communicating model outputs, trends, and actionable insights.
• Experience working in cloud‑based data science environments, including Azure, Azure ML, Databricks, MLflow, and related cloud technologies, would be considered an asset.
• Experience with use cases such as churn prediction, member personalization, recommendation systems, marketing optimization, anomaly detection, and experimentation frameworks would be valuable.
• In addition to technical depth, we are looking for someone who can work independently, collaborate effectively with data scientists, ML engineers, data engineers, and business partners, and help accelerate the delivery of enterprise AI and analytics solutions from exploration through production readiness.

Salary Range - CA$ 100,000 - CA$ 120,000 Per Year

TCS does not use artificial intelligence tools for candidate screening or evaluation. This post is for a current vacancy. The hiring process includes an initial screening, followed by a technical evaluation and managerial discussion.

Tata Consultancy Services Canada Inc. is committed to meeting the accessibility needs of all individuals in accordance with the Accessibility for Ontarians with Disabilities Act (AODA) and the Ontario Human Rights Code (OHRC). Should you require accommodation during the recruitment and selection process, please inform Human Resources.

Thank you for your interest in TCS. Candidates that meet the qualifications for this position will be contacted within a 2-week period. We invite you to continue to apply for other opportunities that match your profile.