Data Scientist - AI & Machine Learning

Placements24; Bloemfontein; On-site; ZAR 700,000 - 1,100,000; Full time

Job summary

Placements24 in Bloemfontein seeks a data scientist to build and deploy machine learning models, analyze large datasets, and deliver data-driven insights across the business. You will clean data, engineer features, and collaborate with engineering and business teams to translate needs into analytical solutions.

The role emphasizes the use of Python or R, SQL, and modern visualization tools, with opportunities for growth and professional development in a dynamic AI division based in the Free

Qualifications

• Master's or PhD in data science or related field.
• 3–5 years of professional data science experience.
• Proficiency in Python or R and libraries (Pandas, NumPy, Scikit-learn).
• Strong SQL and data wrangling skills.
• Experience with data visualization tools such as Matplotlib, Seaborn or Tableau.

Responsibilities

• Develop, train, and deploy machine learning models to address business challenges.
• Analyze large datasets to identify trends, patterns and insights.
• Perform data cleaning, feature engineering, and preprocessing for model development.
• Design experiments to test hypotheses and validate model performance.
• Collaborate with stakeholders to translate data needs into analytical solutions.
• Create data visualizations and reports to communicate findings effectively.
• Stay updated with AI and ML advances and integrate models into production systems.
• Mentor junior data scientists and share knowledge.

Skills

Python

R

SQL

Data Visualization

Communication

Cloud Platforms

Education

Master's degree in Data Science or related field

PhD in a quantitative field

Tools

Pandas

NumPy

Scikit-learn

Matplotlib

Seaborn

Tableau

Job description

About the Role

Our client, a forward-thinking organization, is seeking a talented Data Scientist to join their expanding AI and Machine Learning division in **Bloemfontein, Free State**. This role offers an exciting opportunity to leverage vast datasets and advanced analytical techniques to develop predictive models, uncover insights, and drive data-informed decision-making across the business. You will work on challenging projects involving machine learning algorithms, statistical modeling, and data visualization to solve complex problems and create innovative solutions. The ideal candidate is passionate about data, possesses strong analytical skills, and has a solid understanding of AI principles. Join our client in **Bloemfontein** and be a key player in shaping their data-driven future.

Key Responsibilities

• Develop, train, and deploy machine learning models to address business challenges.
• Analyze large and complex datasets to identify trends, patterns, and insights.
• Perform data cleaning, feature engineering, and data preprocessing for model development.
• Design and conduct experiments to test hypotheses and validate model performance.
• Collaborate with stakeholders to understand data needs and translate them into analytical solutions.
• Develop compelling data visualizations and reports to communicate findings effectively.
• Stay updated with the latest advancements in data science, machine learning, and AI.
• Work with engineering teams to integrate models into production systems.
• Contribute to the development of data strategies and best practices.
• Mentor junior data scientists and share knowledge within the team.

Requirements

• Master's or PhD in Data Science, Statistics, Computer Science, Mathematics, or a related quantitative field.
• 3-5 years of professional experience as a Data Scientist or in a similar analytical role.
• Proficiency in Python or R, and experience with data science libraries (e.g., Pandas, NumPy, Scikit-learn).
• Strong understanding of machine learning algorithms (e.g., regression, classification, clustering, deep learning).
• Experience with SQL and working with relational databases.
• Familiarity with data visualization tools (e.g., Matplotlib, Seaborn, Tableau).
• Experience with cloud platforms (AWS, Azure, GCP) is a plus.
• Excellent analytical, problem-solving, and critical thinking skills.
• Strong communication and presentation skills, with the ability to explain technical concepts clearly.
• Ability to work collaboratively in a team environment.

Benefits

• Competitive salary and potential for performance bonuses.
• Comprehensive medical and retirement benefits.
• Generous paid time off and sick leave.
• Professional development opportunities, including training and conferences.
• A dynamic and collaborative work environment in **Bloemfontein**.
• Exposure to diverse and impactful projects.
• Employee wellness programs.
• Career advancement opportunities.
• Company-sponsored social events.
• Pension fund contributions.