Senior Data Scientist

Placements24; Randburg; Hybrid; ZAR 900,000 - 1,400,000; Full time

Benefits offered by this job

Hybrid work model in Randburg

Job summary

Placements24 in Randburg, Gauteng is seeking a Senior Data Scientist to lead advanced analytics initiatives. You will develop predictive models, design experiments, and create visualizations to communicate insights to business leaders.

The ideal candidate has a strong foundation in statistics, ML, and programming with a proven track record of delivering data-driven solutions. You will mentor junior data scientists and contribute to strategic analytics projects in a collaborative environment.

Qualifications

• Requires a Master’s or PhD in CS/Statistics/Math or related quantitative field.
• Minimum 6 years’ experience as a Data Scientist with a proven track record of delivering data-driven solutions.
• Strong proficiency in Python or R and libraries such as Pandas, NumPy, Scikit-learn; experience with ML frameworks (TensorFlow, PyTorch).
• Expertise in statistical modeling, ML techniques, and experimental design.
• Experience with big data tools (Spark/Hadoop) and SQL; strong data visualization skills (Matplotlib/Seaborn/Tableau/Power BI).

Responsibilities

• Develop and implement advanced statistical models and ML algorithms.
• Clean, process, and analyze large datasets to identify trends.
• Design and run A/B tests and experiments to evaluate hypotheses.
• Build and deploy predictive models for business applications.
• Create data visualizations and dashboards for stakeholders.
• Collaborate with business units to translate needs into data projects.
• Stay current with data science advances and mentor junior analysts.

Skills

Statistical modeling

Machine learning

Experiment design

Data visualization

Communication

Mentorship

Education

Master's or Ph.D. in CS/Statistics/Math

Tools

Python

R

Pandas

NumPy

Scikit-learn

TensorFlow

PyTorch

Spark

Hadoop

SQL

Matplotlib

Seaborn

Tableau

Power BI

Job description

About the Role

Our client, a leading data analytics firm in Randburg, Gauteng , is seeking a highly skilled and experienced Senior Data Scientist to join their growing team. This role is pivotal in leveraging advanced analytical techniques to extract valuable insights from complex datasets, driving strategic decision-making across the organization. You will be responsible for developing predictive models, designing experiments, and creating data visualizations to communicate findings effectively. The ideal candidate possesses a strong foundation in statistics, machine learning, and programming, coupled with a proven ability to translate business problems into data-driven solutions. Working within a collaborative and innovative environment, you will have the opportunity to work on cutting-edge projects that impact business outcomes. This is an exceptional opportunity for a data enthusiast to make a significant contribution to the analytics landscape in Randburg, Gauteng , and to lead projects that shape future strategies. We are looking for a curious, analytical, and proactive individual with a passion for uncovering patterns and driving business value through data.

Key Responsibilities

• Develop and implement advanced statistical models and machine learning algorithms.
• Clean, process, and analyze large, complex datasets to identify trends and patterns.
• Design and conduct A/B tests and other experiments to evaluate hypotheses and measure impact.
• Build and deploy predictive models for various business applications, such as customer behavior, risk assessment, and forecasting.
• Create compelling data visualizations and dashboards to communicate findings to technical and non-technical stakeholders.
• Collaborate with business units to understand their needs and translate them into data science projects.
• Stay current with the latest advancements in data science, machine learning, and AI.
• Mentor junior data scientists and contribute to the team's knowledge base.

Requirements

• Master's or Ph.D. in Computer Science, Statistics, Mathematics, or a related quantitative field.
• Minimum of 6 years of experience as a Data Scientist, with a proven track record of delivering data-driven solutions.
• Strong proficiency in programming languages such as Python or R, and relevant data science libraries (e.g., Pandas, NumPy, Scikit-learn, TensorFlow, PyTorch).
• Expertise in statistical modeling, machine learning techniques, and experimental design.
• Experience with big data technologies (e.g., Spark, Hadoop) is a plus.
• Proficiency in SQL and experience with various database systems.
• Excellent data visualization skills using tools like Matplotlib, Seaborn, Tableau, or Power BI.
• Strong communication, presentation, and interpersonal skills.
• Ability to work effectively in a collaborative team environment.

Benefits

• Competitive salary and performance-based incentives.
• Hybrid work model in Randburg, Gauteng , offering flexibility.
• Comprehensive medical aid and retirement benefits.
• Opportunities for continuous professional development and attending conferences.
• Engaging and intellectually stimulating work environment.
• Access to state-of-the-art data analysis tools and platforms.