Junior Data Scientist: Retail Analytics & Modeling

homechoice; Cape Town; On-site; ZAR 250,000 - 350,000; Full time

Job summary

homechoice in Cape Town is seeking a junior data scientist to support the Data Science team in developing, monitoring and improving statistical and machine learning models used across Credit Risk, Collections, Fraud and Marketing. You'll work with real business data in a fast-paced retail environment.

You will prepare data, build reports with PowerBI, and assist in model validation and automation while following coding standards.

Qualifications

• Undergraduate degree or equivalent in data science, statistics, mathematics, CS, engineering or related numerate field.
• Foundational to intermediate SQL, SAS, Python and Excel skills for data extraction and analysis.
• Knowledge of statistics, probability and machine learning concepts.
• Exposure to data science, predictive modelling or automation through projects or internships.
• Ability to write clear, well-documented code for repeatable analysis.

Responsibilities

• Prepare, clean and validate datasets for analysis.
• Identify trends and opportunities to support business decisions.
• Create PowerBI reports and data outputs for stakeholders.
• Monitor model performance and data quality across domains.
• Assist in feature preparation and model validation under guidance.
• Follow coding standards and document work for reuse.

Skills

SQL

SAS

Python

Excel

Data analysis

Education

Undergraduate degree in Data Science / Statistics / Mathematics / CS / Engineering

Tools

PowerBI

Excel

Job description

homechoice in Cape Town is seeking a junior data scientist to support the Data Science team in developing, monitoring and improving statistical and machine learning models used across Credit Risk, Collections, Fraud and Marketing. You'll work with real business data in a fast-paced retail environment.

You will prepare data, build reports with PowerBI, and assist in model validation and automation while following coding standards.