Senior Data Scientist - Gen AI & Databricks ML Leader

Tata Consultancy Services; Johannesburg; On-site; ZAR 900,000 - 1,500,000; Full time

Job summary

Tata Consultancy Services (TCS) is seeking a senior data scientist to design and deploy advanced machine learning models using Databricks, MLflow and Delta Lake. The role focuses on customer propensity, risk, fraud, retention and decision strategies across PPB, Digital, Product and Risk teams.

You will productionise models, build reusable features, monitor performance and mentor junior scientists. Strong Python/SQL, statistics, and Generative AI knowledge are essential.

Qualifications

• Advanced degree in a quantitative field is preferred.
• Experience with Databricks MLflow for model tracking.
• Excellent stakeholder engagement and communication.

Responsibilities

• Partner with PPB, Digital, Product and Risk teams to identify high-value analytical opportunities.
• Design, develop, train and optimise ML models using Databricks and distributed compute environments.
• Develop customer propensity, next best action, retention and engagement models.
• Build and maintain reusable feature pipelines and enterprise features.
• Establish feature definitions, quality controls, lineage and monitoring standards.
• Perform model tuning, validation and performance benchmarking.
• Mentor junior Data Scientists and contribute to modelling standards.

Skills

Databricks

Python

SQL

ML & Statistics

Feature Engineering

Generative AI

Stakeholder Management

Experimentation & Validation

Data Visualization

Education

Masters degree or PhD in quantitative field

Tools

Databricks Notebooks

MLflow

Delta Lake

Job description

Tata Consultancy Services (TCS) is seeking a senior data scientist to design and deploy advanced machine learning models using Databricks, MLflow and Delta Lake. The role focuses on customer propensity, risk, fraud, retention and decision strategies across PPB, Digital, Product and Risk teams.

You will productionise models, build reusable features, monitor performance and mentor junior scientists. Strong Python/SQL, statistics, and Generative AI knowledge are essential.