Senior Data Scientist – Graph & ML for AI/GenAI

Rosstone; Gauteng; On-site; ZAR 900,000 - 1,200,000; Full time

Job summary

Rosstone is seeking a Senior Data Scientist to apply advanced analytics, machine learning, and graph-based techniques to complex, interconnected data in enterprise environments.

The role focuses on fraud detection, financial crime, and customer intelligence, delivering end-to-end model development, performance optimisation, and deployment on cloud-native platforms.

Strong communication skills and ability to operationalize models in production environments are required.

Qualifications

• Proficient in Python and machine learning with strong graph analytics experience.
• Experience leveraging knowledge graphs to enable AI/GenAI use cases.
• Ability to deploy models within enterprise data environments.

Responsibilities

• Develop predictive models using graph analytics and knowledge graphs.
• Drive feature engineering for downstream models and performance optimization.
• Support AI/GenAI use cases through scalable graph-enabled solutions.
• Own end-to-end model development and deployment in production.

Skills

Python

Machine Learning

Graph Analytics

Knowledge Graphs

Cloud-native Platforms

Job description

Rosstone is seeking a Senior Data Scientist to apply advanced analytics, machine learning, and graph-based techniques to complex, interconnected data in enterprise environments.

The role focuses on fraud detection, financial crime, and customer intelligence, delivering end-to-end model development, performance optimisation, and deployment on cloud-native platforms.

Strong communication skills and ability to operationalize models in production environments are required.