Johannesburg: Data Scientist

February 28, 2026 Jobs in Central Johannesburg

Job Description

This is a fantastic opportunity to join a forwardâthinking healthcare organisation that is deeply committed to innovation, digital transformation, and the intelligent use of data to improve patient outcomes and business performance. As a Data Scientist, you will play a critical role in enabling dataâdriven decisionâmaking across the organisation. Youll work within an advanced analytics environment where experimentation, new ideas, and disruptive techniques are encouraged. The role spans the entire data science lifecycle from understanding business requirements and performing feature engineering to building, validating, deploying, and monitoring productionâgrade models used by various business functions. Whats In It For You?: Work on impactful healthcare analytics projects Exposure to advanced ML technologies and bigâdata architecture Highly innovative environment with room for research and experimentation Opportunity to influence strategy and shape predictive modelling frameworks Key Responsibilities: Develop predictive and prescriptive analytics solutions to support key business decisions. Work across the full data science lifecycle: data preparation, feature engineering, modelling, validation, deployment, and monitoring. Partner with business stakeholders to define analytical requirements, provide insights, and develop dataâdriven strategies. Research, test, and implement innovative ML/statistical techniques to improve analytics capabilities. Build productionâready ML models and monitor model performance to ensure they remain accurate and fit for purpose. Present insights, trends, and analytical findings to technical and nonâtechnical audiences. Job Experience and Skills Required: Education (Minimum Requirement): Honours / Masters / PhD in Statistics, Computer Science, Mathematics, Engineering, or related quantitative fields. Certifications in Python, cloud platforms, big data, machine learning, or related technologies beneficial. Experience: 56 years experience in data science or advanced analytics. Strong experience with Python (NumPy, Pandas, SciPy, Matplotlib) and Jupyter notebooks. SQL proficiency and experience managing large structured and unstructured datasets. Handsâon experience in applying machine learning techniques to solve business problems. Experience working in agile development teams. Experience deploying or operationalising data science solutions in a production environment. Skills and Competencies: Strong knowledge of the Data Science Development Cycle. Ability to clean, transform, and unify complex datasets for modelling. Strong visualisation experience (Power BI, Tableau, Kibana or similar). Experience with bigâdata technologies (Spark, Hadoop, Kafka) advantageous. Strong analytical, conceptual, and problemâsolving ability. Ability to translate ML outputs into clear, actionable business recommendations. Understanding of data architecture, ETL processes, and production pipelines. Apply now! For more exciting Finance vacancies, please visit:

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About IT / Computing / Software Jobs in Gauteng

In Gauteng, the IT and computing industry is a significant contributor to the province’s economy, with a steady demand for skilled professionals. Typically, this field is characterized by rapid technological advancements, innovative projects, and a high level of job satisfaction among employees. Generally, career prospects in this sector are strong, with a range of opportunities available across various industries.

Salaries for IT and computing professionals in Gauteng can vary widely depending on factors such as experience, company size, and industry sector. While it is common to see salaries ranging from R400 000 to R1,200 000 per annum, these figures are only a general guideline and actual salaries may differ significantly. For instance, senior executives or technical leads with extensive experience may command higher salaries, while entry-level positions may start at lower levels.

Common skills required for IT and computing roles in Gauteng include proficiency in programming languages such as Java, Python, or C++, knowledge of cloud platforms like AWS or Azure, and experience with agile development methodologies. Additionally, understanding of data analysis and interpretation, cybersecurity principles, and IT project management are often essential. Familiarity with popular software applications, such as Microsoft Office 365 or Google Workspace, is also beneficial.

The financial services sector, technology industry, manufacturing sector, and government departments are among the common industries that employ IT and computing professionals in Gauteng. These sectors require a range of skills and expertise, from data analysis to network administration, making them attractive options for career development.

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For those seeking a career in IT and computing, there are numerous opportunities for professional growth and development. Typically, career progression involves moving into senior roles or specialized positions, such as technical lead, solutions architect, or data scientist. Opportunities for further education and training, such as certifications or postgraduate studies, can also enhance job prospects. Generally, a strong understanding of industry trends, networking, and continuous learning are essential for success in this field.

This information provides general career guidance. Actual salaries and requirements vary by employer.

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