Senior Predictive Data Scientist: Lead Modeling

Placements24; Gauteng; On-site; ZAR 1,000,000 - 1,800,000; Full time

Job summary

Placements24 in Vereeniging, Gauteng, seeks a Senior Data Scientist with a strong predictive modeling focus to join the analytics team. You will design, validate, and deploy sophisticated models across large datasets, collaborating with business units to drive data-driven decisions.

You will mentor junior data scientists and stay at the cutting edge of ML techniques, continuously improving modeling processes and documentation.

Qualifications

• Master's or Ph.D. in a quantitative field.
• 5+ years of experience in data science with a focus on predictive modeling.
• Proficiency in Python or R and data manipulation libraries (e.g., scikit-learn, pandas, statsmodels).
• Strong understanding of statistical modeling and ML algorithms (regression, classification, clustering, time series).
• Experience with SQL and big data platforms (Spark) is a plus.
• Excellent analytical, problem-solving, and communication skills.

Responsibilities

• Design, develop, and implement advanced predictive models.
• Clean, process, and transform large datasets for modeling.
• Evaluate and validate model performance for accuracy and reliability.
• Deploy predictive models to production environments and monitor performance.
• Collaborate with business units to identify opportunities for predictive analytics.
• Communicate complex findings clearly to technical and non-technical audiences.
• Stay current with advances in data science and predictive modeling.
• Mentor junior data scientists and contribute to the knowledge base.
• Develop and maintain documentation for models and analysis processes.

Skills

Python

R

Statistical modeling

Machine learning

SQL

Spark

Data wrangling

Communication

Education

Master's degree

PhD

Tools

scikit-learn

pandas

statsmodels

Spark

Job description

Placements24 in Vereeniging, Gauteng, seeks a Senior Data Scientist with a strong predictive modeling focus to join the analytics team. You will design, validate, and deploy sophisticated models across large datasets, collaborating with business units to drive data-driven decisions.

You will mentor junior data scientists and stay at the cutting edge of ML techniques, continuously improving modeling processes and documentation.