Senior Data Scientist

Rosstone; Gauteng; On-site; ZAR 900,000 - 1,500,000; Full time

Job summary

Rosstone is seeking a Senior Data Scientist to apply advanced analytics, ML, and graph-based techniques to interconnected data in enterprise environments. You will work on high-impact use cases across fraud detection, financial crime, and customer intelligence, building robust models and delivering actionable insights.

You will own end-to-end model development, feature engineering, and deployment on cloud-native platforms, collaborating with data engineers and stakeholders to ensure production

Qualifications

• Strong expertise in Python and ML development.
• Experience with graph analytics and knowledge graphs.
• Experience deploying models in cloud-native environments.

Responsibilities

• Develop predictive models for complex datasets.
• Leverage graph analytics to derive insights.
• Enable AI/GenAI use cases via knowledge graphs.
• Drive feature engineering for downstream models.
• Own end-to-end model development, evaluation, and deployment.

Skills

Python

Machine learning

Graph analytics

Cloud-native platforms

Job description

The Senior Data Scientist is a specialised role focused on applying advanced analytics, machine learning, and graph-based techniques to derive insights from complex, interconnected data. The role supports high-impact use cases such as fraud detection, financial crime, and customer intelligence.

Responsibilities include developing predictive models, leveraging graph analytics, enabling AI/GenAI use cases through knowledge graphs, and driving feature engineering for downstream models. The role requires strong expertise in Python, machine learning, graph analytics, and cloud-native platforms, with accountability for end-to-end model development, performance optimisation, and deployment within enterprise data environments.