Momentum
Senior Data Scientist MMH261028-7
Centurion, Gauteng, South AfricaUSD 289
About the role
Role Purpose
To apply advanced analytics, statistical modelling, machine learning and investment\-domain insight to solve complex business problems, improve investment and client outcomes, and accelerate the organisation’s digital transformation. The role converts data into scalable intelligence, decision\-support tools and digital solutions that enable investment professionals, distribution teams, operations and clients to make faster, better\-informed decisions.
**Requirements**
* Bachelor’s degree in data science, Statistics, Mathematics, Computer Science, Engineering, Econometrics, Quantitative Finance or a related quantitative discipline.
* A postgraduate qualification in a relevant discipline is advantageous.
* 5 to 7 years’ relevant experience in data science, advanced analytics or machine learning; the required depth may vary with role level.
* Demonstrated experience delivering analytical models or data products beyond proof\-of\-concept stage.
* Experience in investments, asset management, wealth management, financial services or another regulated environment is strongly preferred.
* Experience working in agile, multidisciplinary digital or product teams would be an advantage.
Duties and Responsibilities
**Data Science and Advanced Analytics**
* Frame ambiguous business challenges as clear analytical questions, hypotheses and measurable outcomes.
* Explore, clean, combine and analyse structured and unstructured data from internal and external sources.
* Develop, validate and maintain statistical, machine\-learning and optimisation models.
* Apply techniques such as segmentation, propensity modelling, forecasting, anomaly detection, natural language processing and recommendation methods where appropriate.
* Design robust experiments and evaluate the causal and commercial impact of digital interventions.
* Translate complex analysis into clear recommendations, visual narratives and decision\-ready insights.
Investment and Client Insight
* Partner with investment professionals to identify opportunities where data can strengthen research, portfolio insight, risk awareness and decision support.
* Analyse client, adviser, product, market and transactional data to identify behavioural patterns, needs and emerging opportunities.
* Support the development of personalised propositions, next\-best\-action capabilities and digitally enabled investment experiences.
* Contribute analytical insight to product development, distribution effectiveness, client retention and operational optimisation.
* Ensure that model outputs are interpreted within the relevant investment, market and client context.
**Data Products and Digital Delivery**
* Work in cross\-functional product teams with data engineers, software engineers, designers, product owners, architects and business specialists.
* Convert prototypes into maintainable, monitored and reusable analytical services or data products.
* Define model features, interfaces, acceptance criteria and monitoring requirements for deployment.
* Apply sound software\-engineering practices, including version control, testing, documentation and peer review.
* Monitor model performance, drift, data quality and business impact, and initiate enhancements where required.
* Contribute to reusable analytical assets, standards and communities of practice.
* Design, develop and operationalise Agentic AI solutions and agentic workflows that can reason, plan and execute defined tasks, incorporating appropriate human oversight, testing, monitoring, security and governance controls.
**Governance, Risk and Responsible AI**
* Comply with data privacy, information security, model governance, regulatory and records\-management requirements.
* Document data lineage, assumptions, limitations, validation results and intended use of analytical models.
* Assess models for bias, fairness, explainability, robustness and unintended consequences.
* Protect confidential client, investment and business information and use only approved data and technology environments.
* Escalate material data\-quality, model\-risk or ethical concerns through the appropriate governance channels.
**Stakeholder Partnership and Influence**
* Build trusted partnerships across investments, product, distribution, operations, technology, risk, compliance and data functions.
* Facilitate discovery sessions to understand user needs, prioritise use cases and define value.
* Communicate technical concepts in accessible business language and constructively challenge assumptions.
* Promote data literacy, analytical thinking and evidence\-based decision\-making.
* Coach less experienced team members and share knowledge across the digital capability.
**Decision\-Making and Accountability**
* Recommend appropriate analytical approaches, modelling techniques and evaluation methods.
* Determines whether data is fit for the intended analytical purpose and highlights material limitations.
* Balances model performance, interpretability, implementation effort, risk and user value.
* Owns the quality and reproducibility of assigned analytical work and supports its performance in production.
* Works within delegated authority and approved governance frameworks; material investment, client or risk decisions remain with the accountable business owner.
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