Senior Data Scientist — Big Data Analytics Leader

Placements24; Gqeberha; On-site; ZAR 900,000 - 1,600,000; Full time

Benefits offered by this job

Health insurance

Retirement benefits

Performance bonuses

Conferences attendance

Job summary

Placements24 is seeking a Senior Data Scientist in Port Elizabeth, Eastern Cape to lead big data analytics and drive business strategy through advanced predictive models.

You will work with data engineers and analysts to extract actionable insights, influence growth opportunities, and mentor a team in a data-driven culture. The role emphasizes scalable, high-quality data solutions and cutting-edge ML techniques.

Qualifications

• Master's or PhD in a quantitative field such as Statistics, CS, Math or Economics.
• At least 6 years of data science experience with big data analytics.
• Proven ability to build/deploy ML models (regression, classification, clustering, DL).
• Strong programming (Python or R) and SQL skills; experience with large data platforms.

Responsibilities

• Design, develop, and deploy ML models addressing key business challenges.
• Analyze large datasets to identify trends, patterns, and insights.
• Develop data mining strategies and A/B testing frameworks.
• Build predictive models for customer behavior, sales forecasting, and ops efficiency.
• Collaborate with stakeholders to translate needs into data solutions.
• Communicate findings clearly to technical and non-technical audiences.
• Mentor junior data scientists and share knowledge with the team.
• Ensure quality, integrity, and scalability of data science solutions.
• Stay updated with advances in data science and big data tech.

Skills

Python or R

SQL

Statistical modeling

Machine learning

Data visualization

Mentoring

Education

Master's or PhD in Statistics/CS/Math/Economics or related

Tools

Spark

Hadoop

Job description

Placements24 is seeking a Senior Data Scientist in Port Elizabeth, Eastern Cape to lead big data analytics and drive business strategy through advanced predictive models.

You will work with data engineers and analysts to extract actionable insights, influence growth opportunities, and mentor a team in a data-driven culture. The role emphasizes scalable, high-quality data solutions and cutting-edge ML techniques.