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Johannesburg: Specialist Data Scientist

Johannesburg: Specialist Data Scientist

Posted on 2025-04-25 00:00:00

Employer Unspecified
Category Accounting / Finance
Location Gauteng  / Johannesburg

Job Summary

Responsibilities: Assist in the development and optimization of market-making models, focusing on equities and equity derivatives. Conduct back testing and research to improve current models and develop new ones. Analyze high-frequency trading data to identify patterns and trends. Implement machine learning techniques, particularly LSTMs and convolutional networks, to predict short-term price movements. 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 analyze data samples, including time-based and volume-based sampling. Ensure the robustness of models by balancing in-sample and out-sample results. Assist in the development and optimization of market-making models, focusing on equities and equity derivatives. Conduct back testing and research to improve current models and develop new ones. Analyze high-frequency trading data to identify patterns and trends. Implement machine learning techniques, particularly LSTMs and convolutional networks, to predict short-term price movements. 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, or possibly an alternative similar platform. Generate and analyze data samples, including time-based and volume-based sampling. Ensure the robustness of models by balancing in-sample and out-sample results. Key Projects: Expanding the universe of stocks traded by the current algorithm, creating new algorithms and possibly updating current sell-side / trader algos (market making). Incorporating trading indicators and market trends into existing models. Developing stationary indicators to predict price movements. Collaborating with the data analytics team to optimize model performance. Requirements: Minimum 5-7 years of experience in data analytics, machine learning, and 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. Hands-on experience with coding in Python, and the use of visualization tools. Must have experience with Machine Learning. Must have knowledge of Market Microstructure. 5 Years of experience withinglobal markets. Proficiency inmachine learning. Proficiency intrading algos. 2 Years of experience within Hedge fund. Skills: Data Analytics, Machine Learning, Quantitative Analysis, Complex Financial Systems, Capital Markets, Equities and Trading, Python, Market Microstructure, AWS, Global Markets, Azure DevOps, Service Now, High Frequency Data Techniques, Hedge Fund, Proficiency in SQL, Knowledge of statistical and ML (machine learning) techniques. Experience with ticketing systems (e.g., Azure DevOps (ADO), ServiceNow), change management tools. Deep understanding of financial products, trading systems, pre- and post-trade and high frequency data techniques. Soft Skills: Strong analytical and problem-solving skills with the ability to troubleshoot complex issues in high-pressure environments. Excellent communication and interpersonal skills, with the ability to interact with both technical teams and business stakeholders. Strong organizational skills with attention to detail and the ability to manage multiple priorities. Proactive, self-motivated, and able to work independently and as part of a team.

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Johannesburg: Specialist Data Scientist

Johannesburg: Specialist Data Scientist

Posted on 2025-04-17 00:00:00

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

Job Summary

JOB DESCRIPTION INFORMATION Job Title: Specialist Data Scientist Employment Type: 3 Months Contract (Renewable) Work Location: Onsite Job Description / Responsibilities: Requirements: Data Analytics & Machine Learning: Proven experience applying ML models to financial data sets (e.g., regression, classification, clustering, time series forecasting). Strong ability to derive insights from structured and unstructured data. Quantitative Analysis: Deep understanding of statistical methods and their application in financial modeling. Experience building and validating quantitative models for trading, pricing, or risk. Financial Markets Expertise: Strong understanding of Capital Markets, with a focus on Equities, Trading, and Market Microstructure. Experience working with or within Global Markets environments. Ability to interpret and model complex financial instruments and systems. Programming & Tools: Advanced proficiency in Python for data science, including libraries such as NumPy, pandas, scikit-learn, TensorFlow, or PyTorch. Experience working with cloud platforms, particularly AWS. Familiarity with databases (SQL, NoSQL), data pipelines, and distributed computing frameworks. Domain-Specific Knowledge: Solid grasp of Market Microstructure and how trading systems function at low-latency levels. Ability to work with tick data, order books, and execution algorithms. Qualification and experience required: Masters or PhD in a quantitative field such as Computer Science, Mathematics, Statistics, Financial Engineering, or related discipline. Prior experience at a financial institution, hedge fund, trading firm, or investment bank Experience in high-frequency or algorithmic trading environments is a plus. Mandatory Skills: Data Analytics: Exploratory data analysis (EDA). Data wrangling, cleaning, and transformation. Feature engineering. Machine Learning: Supervised/unsupervised learning. Model selection, tuning, and validation. Deep learning (CNNs, RNNs, Transformers if applicable). Time series forecasting. Model explainability & fairness. Statistical & Quantitative Analysis: Hypothesis testing, A/B testing. Bayesian statistics. Regression, classification, clustering. Advanced probability and stochastic modeling. Programming & Software Engineering: Expert in Python (pandas, NumPy, scikit-learn, PyTorch/TensorFlow, etc.). Version control (Git). Writing production-ready code. APIs and microservices (bonus). Cloud & Infrastructure: AWS (S3, Lambda, SageMaker, EMR, Glue, etc.). CI/CD for data pipelines or ML models. Containerization (Docker, Kubernetes is a plus). Data Management: SQL (complex queries, optimization). NoSQL (MongoDB, DynamoDB). Big data tools (Spark, Hadoop, etc.). Package & Remuneration: Compensation will be determined based on qualifications, applicable industry experience, and previous earnings.

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