Senior Data Scientist

Tata Consultancy Services Limited; Toronto; On-site; CAD 110,000 - 150,000; Full time

Job summary

Tata Consultancy Services Canada Inc. is seeking a Senior Data Scientist to drive AI and analytics initiatives across our business partners in Toronto and nationwide.

This hands-on role emphasizes end-to-end data science, from data exploration to model deployment, with strong collaboration across data engineers, ML engineers, and analysts. The ideal candidate has deep expertise in ML, statistical modeling, SQL and Python, plus experience with visualization tools and cloud platforms.

Qualifications

• Strong applied ML experience and ability to translate business problems into data solutions.
• Expert knowledge of SQL and Python with predictive modeling and feature engineering.
• Ability to deliver end-to-end data science projects from data exploration to insights.

Responsibilities

• Build and evaluate models (regression, classification, etc.).
• Deliver end-to-end data science solutions from exploration to production.
• Communicate insights using visualization tools like Tableau or Power BI.
• Collaborate with data scientists, ML engineers, and business partners.
• Work in cloud environments such as Azure, Databricks, and MLflow.
• Address churn prediction, personalization, recommendations, and optimization use cases.

Skills

SQL

Python

Machine learning

Statistical modeling

Data analysis

Feature engineering

A/B testing

Communication of insights

Tools

Tableau

Power BI

Azure ML

Databricks

MLflow

Job description

TataConsultancy Services (TCS) is an equal opportunity employer, and embracesdiversity in race, nationality, ethnicity, gender, age, physical ability,neurodiversity, and sexual orientation, to create a workforce that reflects thesocieties we operate in. Our continued commitment to Culture and Diversity isreflected in our people stories across our workforce and implemented throughequitable workplace policies and processes.

Tata Consultancy Services(BSE: 532540, NSE: TCS) is the technology partner of choice forindustry-leading organizations worldwide. Since its inception in 1968, TCS hasupheld the highest standards of innovation, engineering excellence and customerservice.

It has set an aspirationto become the world's largest AI-led technology services company and isenabling its clients to transform themselves across the full AI stack, frominfrastructure to intelligence.

Rooted in the heritage ofthe Tata Group, TCS is focused on creating long term value for its clients, itsinvestors, its employees, and the community at large. With a highly skilledworkforce spread across 56 countries and 194 service delivery centers acrossthe 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 hasbuilt long term partnerships with its clients. Many of these relationships haveendured into decades and navigated every technology cycle, from mainframes inthe 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 AICoE’s Machine Learning and Data Science initiatives.
• The ideal candidate will have strong applied machine learning, statisticalmodeling, 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‑onexperience 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 deliveringend-to-end data science solutions, including data exploration, datapreparation, feature engineering, model development, validation, interpretation, and communication of insights.
• Experience with visualization tools such as Tableau, Power BI, or similarplatforms 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, dataengineers, and business partners, and help accelerate the delivery of enterprise AI and analytics solutions from exploration through productionreadiness.

TCSdoes not use artificial intelligence tools for candidate screening orevaluation. This post is for a current vacancy. The hiring process includes aninitial screening, followed by a technical evaluation and managerialdiscussion.

Tata ConsultancyServices Canada Inc. is committed to meeting the accessibility needs of allindividuals in accordance with the Accessibility for Ontarians withDisabilities Act (AODA) and the Ontario Human Rights Code (OHRC). Should yourequire accommodation during the recruitment and selection process, pleaseinform Human Resources.

Thank you for yourinterest in TCS. Candidates that meet the qualifications for this position willbe contacted within a 2-week period.