Data Scientist

17 hours ago


Johannesburg, South Africa NTT Data Full time

Overview Summary of role The Data Scientist is responsible for leveraging advanced analytics, machine learning, and statistical modelling to extract actionable insights from complex datasets. This role supports strategic decision-making, drives innovation, and enhances operational efficiency across the organisation. Responsibilities Develop, implement, and maintain predictive and prescriptive models using machine learning algorithms to forecast business outcomes, enabling proactive decision-making and strategic planning. Analyse large and complex datasets using statistical techniques to uncover patterns and trends, driving data-informed insights and operational improvements. Monitor model performance using validation metrics and retrain models as needed to maintain accuracy, ensuring continued relevance and reliability of outputs. Translate business challenges into analytical problems using structured frameworks, enabling the development of targeted and effective data solutions. Collaborate with data engineers to build robust data pipelines and ensure data integrity. Maintain and optimize data storage solutions for scalability and performance. Identify opportunities for automation in reporting and analysis using scripting and APIs, increasing efficiency, and reducing turnaround time. Document methodologies, assumptions, and outcomes in a clear and reproducible format to support transparency governance, and knowledge sharing. Translate complex data into actionable insights that support strategic decision-making. Identify trends, patterns, and anomalies that inform business strategies and operational improvements. Develop and maintain dashboards and reports for various business units. Build end-to-end data science solutions, from prototype to production. Integrate models into business applications or platforms using APIs or other deployment methods. Monitor deployed models for performance drift and retrain as necessary. Experiment with new techniques to improve model performance and analytical capabilities fostering innovation and continuous improvement. Contribute to the development of best practices, standards, and frameworks within the data science team to ensure consistency and quality. Qualifications Matric and a Bachelors degree in Data Science, Computer Science, Statistics, Mathematics or a related field. 35 years of experience in data science, analytics, or a related field. Proven experience with machine learning, predictive modelling, and statistical analysis. Strong proficiency in Python, R, SQL, and data visualisation tools (e.g., Power BI, Tableau). Experience with cloud platforms (e.g., AWS, Azure, GCP) and big data technologies (e.g., Spark, Hadoop) is advantageous. Familiar with version control systems (e.g., Git) and collaborative development practices. Deep understanding of statistical methods, probability theory, linear algebra, and calculus to support model development and data interpretation. Advanced proficiency in Python, R, SQL, and familiarity with Java or Scala. Ability to write clean, efficient, and reusable code. Experience with supervised and unsupervised learning, deep learning frameworks (e.g., TensorFlow, PyTorch), and model evaluation techniques. Knowledge of data warehousing, ETL processes, and working with structured and unstructured data. Familiar with cloud platforms (AWS, Azure, GCP), containerization (Docker, Kubernetes), and scalable data solutions. Skilled in using tools like Power BI, Tableau Advantageous Masters degree in Data Science, Computer Science, Statistics, Mathematics, or related field. Experience in healthcare, retail, or insurance data ecosystems #J-18808-Ljbffr


  • Data Scientist

    1 day ago


    Johannesburg, Gauteng, South Africa NTT Data Full time R70 000 - R140 000 per year

    Summary of roleThe Data Scientist is responsible for leveraging advanced analytics, machine learning, and statistical modelling to extract actionable insights from complex datasets. This role supports strategic decision-making, drives innovation, and enhances operational efficiency across the organisation.Responsibilities:Develop, implement, and maintain...


  • Johannesburg, South Africa NTT Data Full time

    A leading data services provider in Johannesburg is looking for a skilled Data Scientist to leverage advanced analytics, machine learning, and statistical modeling to drive strategic decision-making. The ideal candidate will possess strong experience in data analysis and predictive modeling, focusing on extracting actionable insights from complex datasets,...

  • Senior Data Scientist

    17 hours ago


    Johannesburg, South Africa NTT Data Full time

    Job Summary The Senior Data Scientist will lead the design, development, and deployment of advanced analytics and machine learning solutions that drive strategic decision-making and operational efficiency. This role requires a deep understanding of data science, data engineering, and AI concepts, and will play a pivotal role in embedding intelligent...


  • Johannesburg, South Africa NTT Data Full time

    An innovative tech company in Johannesburg seeks a Senior Data Scientist to lead the design and deployment of advanced analytics solutions. This role involves building machine learning models, enhancing decision-making through data-driven insights, and collaborating with various stakeholders. Candidates should have a Bachelor's in a relevant field, over 8...


  • Johannesburg, Gauteng, South Africa NTT Data Full time US$80 000 - US$160 000 per year

    Job SummaryThe Senior Data Scientist will lead the design, development, and deployment of advanced analytics and machine learning solutions that drive strategic decision-making and operational efficiency. This role requires a deep understanding of data science, data engineering, and AI concepts, and will play a pivotal role in embedding intelligent...

  • Data Scientist

    3 weeks ago


    Johannesburg, South Africa Independent Consultant Full time

    Data Scientist (Business Intelligence) Permanent | Hybrid (Some of the time) Are you a data‑driven problem solver ready to make an impact in the insurance industry? We’re looking for a Data Scientist (Business Intelligence) to join our growing team. In this role, you’ll leverage data to drive insights, inform decision‑making, and enhance both our...

  • Data Scientist

    3 weeks ago


    Johannesburg, South Africa Robert Walters Full time

    Join to apply for the Data Scientist role at Robert Walters . We are seeking a highly skilled and analytical Data Scientist to join our market research team. The Data Scientist needs practical knowledge and comprehensive understanding of research processes and techniques. The successful individual will actively assist in the data production process and when...

  • Data Scientist

    4 weeks ago


    Johannesburg, South Africa PBT Group Full time

    Data Scientist position available in Johannesburg. Overview Data Scientist position available in Johannesburg. Responsibilities Lead a skilled Java team Own full-stack delivery (UI, SQL, business logic) Architect scalable systems Drive CI/CD and testing strategies Ensure performance, compliance, and clean code Qualifications 10+ yrs Java EE, 3+ yrs leading...

  • Data Scientist

    2 weeks ago


    Johannesburg, South Africa BASHR Consulting Full time

    **Job Details**: **Department** **Information Technology** **Minimum experience** **Mid-Senior** **Company primary industry** **Information Technology and Services** **Job functional area** **Information Technology** **Salary** **R900 000 - R1 248 000 per annum** Our client with a well-established firm is looking for diligent, proactive, and...

  • Data Scientist

    7 days ago


    Johannesburg, Gauteng, South Africa Hire Resolve Full time R700 000 - R900 000 per year

    Hire Resolve's client is currently looking for a Data Scientist to join their team in Johannesburg. As a Data Scientist, you will have the opportunity to work on exciting and complex projects that utilize cutting-edge data analytics and machine learning techniques.In this role, you will be responsible for extracting insights from large volumes of data,...