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Johannesburg: Data Scientist

Johannesburg: Data Scientist

Posted on 2025-07-25 00:00:00

Employer Unspecified
Category IT / Computing / Software
Location Gauteng  / Johannesburg

Job Summary

Minimum Requirements Qualification: Bachelor’s Degree in Computer Science, Engineering, or a related field Experience: 13 years experience in a data science role Exposure to mining, mineral processing, or supply chain environments is preferred Key Responsibilities: Enterprise Data Integration Consolidate organizational data into unified, accessible architectures using modern warehousing/lakehouse methods Business Intelligence Enablement Build and maintain analytics dashboards for departments such as Finance, Supply Chain, Customer Service, Engineering, and Projects Applied Machine Learning Design and deploy models for predictive maintenance, anomaly detection, and RUL estimation Stakeholder Engagement & Ad Hoc Analytics Work closely with stakeholders to solve business problems through data-driven solutions Data Storytelling Translate complex analytical insights into impactful, actionable narratives for various audiences Technical Proficiency Data Engineering & Integration Microsoft Fabric (OneLake, Lakehouse, DW) Advantageous ETL/ELT tools (Azure Data Factory, Synapse Pipelines) Dimensional modelling (Star/Snowflake schema) SQL (T-SQL, M code), Data Gateway knowledge PostgreSQL / SQL Server Machine Learning & Analytics Python (required), R/Spark (beneficial) Time Series Forecasting (ARIMA, Prophet, LSTM) Predictive Maintenance Techniques Scikit-learn, Azure ML, Azure Functions/AKS Business Intelligence Power BI (DAX, M code, dashboards) Root cause analysis, ad hoc reporting Software & Cloud Development (Advantageous) REST APIs, Azure App Services Microservices and web-based ML integration Supply Chain & Inventory Analytics (Advantageous) Inventory optimization, demand planning EOQ, reorder point, ABC analysis

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Johannesburg: Data Scientist

Johannesburg: Data Scientist

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Job Summary

Are you the kind of person who sees patterns where others see noise? Do you thrive on transforming complex data into clear, actionable stories that drive real-world change? Were looking for a talented, intellectually curious Data Scientist to join a team that puts data at the heart of decision-making. Youll dive into vast, complex datasets, build robust models, and translate findings into clear, compelling narratives for diverse stakeholders. What youll do: Design, build, and deploy predictive and optimisation models (classification, regression, clustering). Uncover patterns, trends, and causal relationships in large datasets to solve key business challenges. Visualize and communicate findings using Power BI, Tableau, or similar tools, making complex data understandable and impactful. Own the data pipeline, from cleaning to transforming raw data into analysis-ready insights. Design and execute A/B tests to validate new strategies. Collaborate with data engineers, analysts, and product teams to embed your solutions into daily operations. Stay ahead by championing innovative data science, ML, and AI methodologies. What you bring: Masters or PhD in Data Science, Statistics, Computer Science, Mathematics, Engineering, or related fields. Strong Python (pandas, NumPy, scikit-learn) and/or SAS skills, plus SQL for data wrangling. Deep statistical knowledge and hands-on machine learning experience with libraries like scikit-learn, TensorFlow, or PyTorch. Excellent communication skills to explain complex technical insights simply and effectively. Critical thinking and problem-solving skills, thriving in ambiguity. (Bonus) Experience with Power BI, Tableau, or SAS Visual Analytics. (Bonus) Familiarity with Spark/Hadoop and cloud platforms (AWS, Azure, GCP). Why this role? You will have the freedom to innovate, learn continuously, and shape how data science drives growth and operational excellence. If you are passionate about turning data into decisions, lets talk. This is your opportunity to build, innovate, and drive change with your data storytelling superpowers . Email your cv to:

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Johannesburg: Data Scientist

Johannesburg: Data Scientist

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Job Summary

Job Title: Data Scientist Type: Full-time/Hybrid/Remote Key Responsibilities: Model Development & Deployment: Build and implement predictive models (classification, regression, and clustering) to support business objectives. Deep-Dive Analytics: Analyse large datasets to uncover patterns, trends, and causal relationships to drive key business decisions. Data Storytelling: Communicate findings through clear visualisations and presentations using tools like Power BI, Tableau, or SAS Visual Analytics. Data Preparation: Own the end-to-end data process cleaning, transforming, and engineering datasets for analysis. Experimental Design: Plan and conduct A/B testing and other experiments to test hypotheses and measure impact. Collaboration: Work cross-functionally with business teams, Data Engineers, and product owners to deliver data-driven solutions. Continuous Learning: Stay up to date with developments in data science, machine learning, and AI, and help implement new ideas. Requirements: Education: Masters or PhD in a quantitative discipline (e.g., Data Science, Computer Science, Statistics, Mathematics, Engineering, or Econometrics). Programming: Strong in Python (pandas, NumPy, and scikit-learn) and/or SAS, with solid SQL skills. Statistical & ML Expertise: In-depth understanding of statistical methods and experience developing and deploying machine learning models. Communication: Ability to explain complex concepts to both technical and non-technical audiences. Analytical Thinking: Demonstrated ability to work with ambiguity and solve business problems using data. Preferred Skills: Visualisation: Experience with dashboarding/reporting tools like Power BI, Tableau, or SAS Visual Analytics. Big Data: Familiarity with technologies like Apache Spark or Hadoop. Cloud: Experience working with cloud platforms (AWS, Azure, and GCP). If youre a curious, driven individual who loves transforming data into meaningful impact, apply now to be part of a collaborative and high-performing team.

Click Go Apply to apply online!

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Johannesburg: Data Scientist

Johannesburg: Data Scientist

Posted on 2025-07-16 00:00:00

Employer Unspecified
Category IT / Computing / Software
Location Gauteng  / Johannesburg

Job Summary

Data Scientist An industry-leading player in the life insurance and financial services space is searching for a dynamic Data Scientist to help shape decision-making across portfolios through smart analytics, predictive models, and scalable reporting tools. What Youll Be Doing: Build and maintain automated dashboards and real-time reports using Power BI Design and deploy end-to-end analytics pipelines in Python and SQL Develop predictive models to support business strategies (think churn, retention, pricing, and profitability) Translate business needs into clear data solutions from raw data to boardroom insight Collaborate with cross-functional teams to refine data flow, test outputs, and solve data challenges Validate data accuracy and ensure version control and audit traceability Drive root cause analysis and make recommendations backed by data Engage with technical and non-technical stakeholders and make complex findings simple What You Bring: Bachelor’s Degree in Statistics, Data Science, Computer Science , Actuarial Science or Engineering 35 years’ experience in data science, analytics, or engineering (preferably in financial services or insurance) Strong coding ability in Python and SQL (non-negotiable) Proficiency in Power BI , with solid data modeling and DAX skills Bonus points for: Git version control, experience in testing/UAT, and understanding of insurance data Strong communication skills both written and verbal with a proactive and consultative approach Critical thinker, self-starter, and problem-solver with sharp attention to detail Why This Role Stands Out: High visibility: Your work will directly to inform the business strategy Variety: Get involved in everything from product performance to pricing logic and predictive modelling Innovation culture: Bring your ideas to life in a fast-paced, forward-thinking environment Flexibility: Hybrid working model with autonomy and growth Ready to turn raw data into real business value? Apply now and lets build smarter solutions together.

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Johannesburg: Data Scientist

Johannesburg: Data Scientist

Posted on 2025-07-08 00:00:00

Employer Unspecified
Category IT / Computing / Software
Location Gauteng  / Johannesburg

Job Summary

What you will be doing: Extracting and analyzing digital, clinical and behavioral data to inform product design, customer experience strategies for digital solutions. Developing data science model and A/B testing pipelines for deployment. Applying statistical techniques, behavioral science principles, and data science models to measure and optimize member engagement and user experiences for digital solutions. Working closely with Organisation Health Digital to ensure insights and modelling inputs align with product objectives and app engagement outcomes. Collaborate with systems and engineering teams to integrate data science pipelines into the Health Systems and Health digital solutions. Present insights and results to business stakeholders and senior executives, highlighting the impact of personalized digital experiences on user engagement and experience. What we are looking for : BSc degree in Mathematics, Statistics, Computer Science, or related fields with a minimum average of 65% across all subjects. 5 years’ experience as a Data Scientist. Ability to formulate a clear problem statement, develop a plan for tackling it, and clearly communicate findings verbally, visually, and in writing  Demonstrable working experience in an analytics position, where the focus was on building and implementing machine learning models to solve business problems Experience accessing and analysing data using language/tools/databases such as Python, R, SQL, etc. Experience using Gradient Boosting Machines, Random Forests, Neural Networks or similar algorithms. Some experience in working with big disparate sets of data and exposure to big data tools  Please note that if you do not hear from us within 3 weeks, consider your application unsuccessful. Â

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Johannesburg: Data Scientist

Johannesburg: Data Scientist

Posted on 2025-07-03 00:00:00

Employer Unspecified
Category IT / Computing / Software
Location Gauteng  / Johannesburg

Job Summary

Data Scientist required within a leading financial services institution. This role focuses on developing, deploying, and operationalizing machine learning (ML), artificial intelligence (AI), generative AI, and agentic AI models to drive innovation in a fast-paced, high-impact environment. You will work across functional teams to deliver intelligent solutions for financial use cases like credit risk, fraud detection, and personalisation, while mentoring junior data scientists and ensuring adherence to enterprise governance and architecture standards. Main Responsibilities Design, develop, test, and deploy production-grade ML, AI, generative AI, and agentic AI models. Create reusable AI blueprints for multiple use cases, ensuring scalability and performance. Develop guardrails to align with enterprise security, architecture, and governance standards. Collaborate with stakeholders across Business Units (e.g., Risk, Compliance) to identify, design, and deploy impactful solutions. Translate complex business problems into structured tasks, delivering measurable value through deployed models. Build and maintain model pipelines using enterprise MLOps frameworks for audibility and scalability. Monitor and optimize model performance, re-training as needed in dynamic banking environments. Mentor junior data scientists on model selection, experimentation protocols, and deployment best practices. Stay updated on advancements in foundation models, multi-agent systems, and AI governance frameworks. Requirements Bachelor’s or Master’s degree in Computer Science, Data Science, Statistics, Engineering, or a related field (PhD a plus). 3–5 years of experience in applied data science or AI roles, preferably in financial services or banking. Proficiency in Python and data science toolkits (e.g., Pandas, NumPy, Scikit-learn, TensorFlow, PyTorch). Experience with platforms like Databricks, AWS Bedrock, or Amazon SageMaker for AI/ML development. Hands-on experience with vector databases (e.g., OpenSearch, Pinecone, FAISS, Milvus) and AI orchestration frameworks (e.g., LangChain, LlamaIndex). Strong understanding of MLOps tools (e.g., MLflow, Kubeflow, Docker, Airflow) and cloud platforms. Experience deploying models in regulated environments with a focus on model risk, explainability, and compliance. Familiarity with financial use cases such as credit scoring, fraud detection, KYC, and personalization. Excellent communication skills to explain technical concepts to non-technical stakeholders. Ability to manage competing priorities in a fast-paced, business-critical environment. Please note that by submitting your personal information to Deka Minas you free-willingly issue the business consent to make use of such data for the specific purpose of securing you either permanent or temporary employment. Our business makes use of a POPIA compliant database and you have the right to access, right to correction and right to deletion of your personal information.

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Johannesburg: Data Scientist

Johannesburg: Data Scientist

Posted on 2025-07-01 00:00:00

Employer Unspecified
Category IT / Computing / Software
Location Gauteng  / Johannesburg

Job Summary

Job Title: Data Scientist Key Responsibilities: Develop and implement statistical analysis, forecasting, predictive modelling, simulation, and optimisation techniques to identify trends and opportunities. Evaluate new data sources and enhance data collection procedures to improve analytic capabilities. Build and communicate data-driven solutions using visualisation techniques. Design advanced analytics and machine learning models to address business challenges. Stay current with advancements in analytics technologies and methodologies. Act as a technical expert in machine learning tools, techniques, and programming languages. Mentor and coach junior team members. Present analytical findings and recommendations to stakeholders and management. Identify and prioritise business problems where analytics can drive measurable improvements. Collaborate across departments to gather requirements and ensure relevant data sources are used. Support the development and maintenance of analytic infrastructure including databases, BI tools, and modelling platforms. Migrate existing on-premise solutions to the cloud and ensure model stability and performance. Promote data-driven decision-making and build buy-in across the business. Required Experience and Skills: 46 years of relevant experience in analytics or data science. Proficient in big data analytics, statistical modelling, and programming. Experience with machine learning models such as classification, regression, anomaly detection, and neural networks. Strong skills in Python, SQL Server, Power BI, Excel, and PowerPoint; Azure experience is advantageous. Knowledge of API integration in Python. Excellent analytical, problem-solving, and communication skills. Strong project management and stakeholder engagement capabilities. Educational Requirements: Matric certificate. Degree in Science, Mathematics, Statistics, Engineering, or Computer Science. Specialised qualification or Degree in Data Science.

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