Senior Data Scientist - Machine Learning Focus

Placements24; Pretoria; Hybrid; ZAR 900,000 - 1,700,000; Full time

Benefits offered by this job

Remote setup

Professional development

Flexible hours

Health insurance

Job summary

Placements24 is seeking a highly accomplished Senior Data Scientist with a focus on machine learning to join our client, a pioneering data analytics firm, on a remote-first basis. You will design, build, and deploy advanced ML models that solve real business problems from Pretoria or anywhere.

The ideal candidate has a Master’s or PhD in a quantitative field, 5+ years of data science experience, and proficiency in Python or R with TensorFlow, PyTorch, and scikit-learn.

Qualifications

• Master's or Ph.D. in Computer Science, Statistics, Mathematics, or a related quantitative field.
• 5+ years of experience in data science with a strong emphasis on ML model development.
• Proficiency in Python or R and libraries like TensorFlow, PyTorch, scikit-learn, Pandas, NumPy.

Responsibilities

• Design, develop, and implement ML models and algorithms to address business problems.
• Analyze large datasets to identify trends and insights.
• Build and maintain data pipelines for model training and deployment.
• Evaluate and optimize model performance using appropriate metrics.
• Collaborate with engineers and analysts to integrate ML solutions into products and processes.
• Communicate findings clearly to technical and non-technical stakeholders.
• Stay current with ML/AI advances and develop proofs-of-concept.

Skills

Python/R

ML model development

Data analysis

Communication

Problem solving

Education

Master's or PhD in a quantitative field

Tools

TensorFlow

PyTorch

scikit-learn

Pandas

NumPy

Job description

About the Role

Our client, a pioneering data analytics firm, is seeking a highly accomplished Senior Data Scientist with a specialized focus on Machine Learning to join their esteemed team. This is a remote‑first opportunity, allowing you to contribute your expertise from anywhere within Pretoria, Gauteng, ZA (or remotely, as the role is fully remote). You will be instrumental in developing and deploying sophisticated machine learning models that solve complex business challenges and drive data‑informed decision‑making. The ideal candidate possesses a deep understanding of statistical modeling, algorithms, and data mining techniques, with a proven ability to translate raw data into actionable insights. You will work on cutting‑edge projects, leveraging large datasets and advanced analytical tools. We are looking for a proactive, analytical thinker with a passion for innovation and a strong desire to impact business outcomes through data.

Key Responsibilities

• Design, develop, and implement machine learning models and algorithms to address business problems.
• Analyze large, complex datasets to identify trends, patterns, and insights.
• Build and maintain data pipelines for model training and deployment.
• Evaluate and optimize model performance using appropriate metrics and techniques.
• Collaborate with cross‑functional teams, including engineers and business analysts, to integrate ML solutions into products and processes.
• Communicate complex findings and recommendations clearly to both technical and non‑technical stakeholders.
• Stay current with the latest advancements in machine learning, artificial intelligence, and data science.
• Develop proof‑of‑concepts and prototypes to explore new data science applications.
• Contribute to the development of data governance and best practices within the organization.
• Mentor junior data scientists and share knowledge within the team.

Requirements

• Master's or Ph.D. in Computer Science, Statistics, Mathematics, or a related quantitative field.
• 5+ years of experience in data science, with a strong emphasis on machine learning model development.
• Proficiency in programming languages such as Python or R, and relevant libraries (e.g., TensorFlow, PyTorch, scikit-learn, Pandas, NumPy).
• Strong understanding of statistical modeling, machine learning algorithms (e.g., regression, classification, clustering, deep learning), and data mining techniques.
• Experience with big data technologies (e.g., Spark, Hadoop) and cloud platforms (AWS, Azure, GCP).
• Excellent data visualization and communication skills.
• Ability to work independently and manage complex projects from inception to completion.
• Strong analytical and problem‑solving capabilities.
• Experience with SQL and database management.

Benefits

• Highly competitive salary and performance‑based bonuses.
• Comprehensive remote work setup and support.
• Excellent health, dental, and vision insurance coverage.
• Generous professional development budget for courses, conferences, and certifications.
• Opportunity to work on challenging and impactful projects with leading‑edge technologies.
• Flexible working hours and a strong emphasis on work‑life balance.
• Collaborative and intellectually stimulating remote team environment.
• Retirement savings plan with company matching.