Data Scientist

IndSAfri; Johannesburg; On-site; ZAR 600,000 - 900,000; Full time

Job summary

A leading company in the financial sector seeks a professional to assist in developing and optimizing market-making models, focusing on equities and derivatives. The role requires extensive experience in data analytics and machine learning, with a strong understanding of financial products and capital markets. Candidates should be proficient in SQL, Python, and AWS, and have a background in global markets and trading algorithms.

Qualifications

• 5-7 years of experience in data analytics and quantitative analysis.
• Proven experience in complex financial systems and applications.
• Strong understanding of financial products and capital markets.

Responsibilities

• Assist in developing and optimizing market-making models.
• Collaborate to integrate new indicators and models into production.
• Work with AWS for data processing and model training.

Skills

SQL

Python

AWS

Machine Learning

Statistical Techniques

Trading Algos

Tools

Azure DevOps

ServiceNow

Job description

Job Location : Gauteng, Johannesburg Deadline : June 20, 2025 Quick Recommended Links

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Job Description / Responsibilities :

• Assist in the development and optimization of market-making models, focusing on equities and, equity derivatives.
• Collaborate with teams to integrate new indicators and models into production environments.
• Work with AWS infrastructure, including S3 buckets and Sage Maker, for data processing and model training.
• Generate and analyse data samples, including time-based and volume-based sampling.
• Ensure the robustness of models by balancing in-sample and out-sample results.

Experience :

• Minimum 5-7 years of experience in data analytics, machine learning, quantitative analysis.
• Proven experience working in complex financial systems and applications (e.g., trading platforms, payment systems, risk management systems).
• Strong understanding of financial products, capital markets, derivatives, and treasury operations.
• Strong understanding of Equities and trading

Must Have Skills :

• Proficiency in SQL, Python, AWS, and Quick sight; experience working with databases for data analysis. 5+ years
• Knowledge of statistical and ML (machine learning) techniques
• Experience with ticketing systems (e.g., Azure Devops (ADO), ServiceNow), change management tools
• 5+ Years of experience within global markets
• Proficiency in machine learning
• Proficiency in trading algos
• 2+ Years of experience within Hedge fund