Johannesburg North: Senior Data Scientist – Machine Learning posted by Network Finance
Posted on 2025-09-13 00:00:00
| Employer | Network Finance |
|---|---|
| Category | Clearing and Forwarding Management |
| Location | Gauteng / Johannesburg North |
Job Summary
About the Role:
You’ll work across the full data science lifecycle—from understanding business needs and refining problem statements to data preparation, model development, testing, deployment, and performance monitoring. Your work will support data-led strategy, operational efficiency, and intelligent decision-making through automation and advanced analytics.
Key Responsibilities:
- Develop and deploy predictive modelling and machine learning solutions.
- Collaborate with stakeholders to define business challenges and identify analytical opportunities.
- Conduct data cleaning, transformation, feature engineering, and rigorous hypothesis testing.
- Work with engineering teams to build data pipelines and access large-scale structured and unstructured data.
- Translate data science solutions into practical business applications.
- Create impactful visualisations and reports to communicate insights to both technical and non-technical stakeholders.
- Monitor and refine models to ensure performance and business relevance over time.
Requirements:
Minimum:
- Honours, Master’s, or PhD in a quantitative discipline (e.g. Actuarial Science, Mathematics, Computer Science, Engineering, Statistics).
- 5–6 years of hands-on experience in data science and analytics roles.
- Strong Python and SQL proficiency, including libraries such as NumPy, Pandas, SciPy, Matplotlib.
- Experience working with Jupyter Notebooks and in Agile development environments.
- Proven ability to operationalise machine learning models at scale.
Preferred:
- Familiarity with cloud platforms (e.g. Azure, AWS), Spark, and big data tools.
- Professional certifications in data science and analytics technologies.
- Experience with data visualisation tools such as Power BI, Tableau, or Kibana.
Key Competencies:
- Advanced analytical and problem-solving skills.
- Strong communication skills, with the ability to explain technical concepts to diverse audiences.
- Business acumen and the ability to align data solutions with strategic objectives.
- Initiative, adaptability, and a strong sense of accountability.
- Ability to work independently as well as collaboratively within cross-functional teams.
Ready to use data to make an impact?
Join a dynamic, forward-thinking environment where your expertise will directly contribute to innovation and strategic growth. Apply now and be part of the data-driven future.
Note: This position is open to candidates with strong technical capabilities and a proven track record in solving real-world problems with data.
*****@*****.co.za .
For more finance jobs, please visit www.********.co.za
If you have not had any response in two weeks, please consider the vacancy application unsuccessful. Your profile will be kept on our database for any other suitable roles / positions.
We also invite you to contact us to discuss your next career move in finance!
For more information contact:
Heidi Nieuwoudt on (***)***-****
Specialist Recruitment Consultant: Actuarial and Analytical
Click Go Apply to apply online!
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