Discovery Health Junior Data Scientist

Discovery Health is seeking a highly motivated Junior Data Scientist to join its Group Data Science Lab, one of South Africa’s leading analytics and artificial intelligence teams. This opportunity is ideal for graduates and early-career professionals who are passionate about machine learning, Natural Language Processing (NLP), Large Language Models (LLMs), and solving real-world business challenges using data.

Based within Discovery’s innovative data science environment, the successful candidate will work with large-scale datasets, cutting-edge AI technologies, and multidisciplinary teams to develop solutions that enhance healthcare, wellness, insurance, and financial outcomes for millions of clients.

About Discovery

Discovery is a globally recognised financial services and healthcare organisation whose purpose is to enhance and protect people's lives. Through its Shared Value model, Discovery uses behavioural economics, technology, and data-driven innovation to encourage healthier lifestyles while creating value for clients, businesses, and society.

The organisation's success is built on innovation, data science, risk management, and a commitment to improving health and financial outcomes. Discovery continues to invest heavily in advanced analytics, artificial intelligence, and digital transformation initiatives.

About the Discovery Data Science Lab

The Discovery Group Data Science Lab is responsible for applying advanced analytics, machine learning, predictive modelling, big data technologies, and operational research methodologies across the Discovery Group.

The team works on projects spanning healthcare, life insurance, investments, wellness programmes, customer behaviour, financial services, operational efficiency, and risk management. Data scientists in the lab have access to large-scale structured and unstructured datasets and work with modern cloud, machine learning, and artificial intelligence technologies.

The team is actively involved in research and development related to Natural Language Processing and Large Language Models, making it an exciting environment for candidates interested in AI innovation.

Position Overview

The Junior Data Scientist will focus on NLP and LLM-based projects, helping design, build, evaluate, and deploy machine learning solutions that generate business value across Discovery's operations.

The role combines research, software development, data science, and stakeholder engagement, providing an excellent platform for developing advanced technical skills while working on impactful projects.

Key Responsibilities

Natural Language Processing & AI Development

• Work with large volumes of unstructured text data from multiple sources
• Develop and test NLP and machine learning models
• Assist with the implementation of Large Language Model solutions
• Support research into emerging AI technologies and methodologies
• Prototype and evaluate advanced data science solutions

Research & Innovation

• Review academic research papers and industry publications
• Stay updated on developments in machine learning and artificial intelligence
• Identify opportunities to apply AI solutions to business challenges
• Contribute to innovation initiatives within Discovery

Project Delivery

• Collaborate with senior data scientists and engineers
• Support projects from concept through deployment
• Evaluate model performance and business impact
• Ensure scientific rigour and technical excellence in all work delivered

Stakeholder Engagement

• Present findings to technical and business audiences
• Translate complex analytical concepts into understandable insights
• Work closely with business teams to understand requirements and objectives

Minimum Qualifications

• Honours or Master's Degree in:
  • Computer Science
  • Data Science
  • Statistics
  • Mathematics
  • Applied Mathematics
  • Actuarial Science
  • Operations Research
  • Industrial Engineering
  • Or a related quantitative discipline
• PhD qualification will be advantageous
• Candidates at various experience levels will be considered

Required Technical Skills

• SQL and database querying
• Python programming for data science and machine learning
• Data analysis and statistical modelling
• Problem-solving and analytical thinking
• Data visualisation and communication skills
• Ability to formulate and solve business problems using data

Advantageous Skills

• Git version control
• R programming language
• Natural Language Processing (NLP)
• Large Language Models (LLMs)
• TensorFlow
• PyTorch
• Apache Spark
• Dask
• Machine Learning model development and deployment

Personal Attributes

• Strong curiosity and passion for learning
• Creative problem-solving ability
• Interest in artificial intelligence and innovation
• Strong communication skills
• Ability to manage multiple priorities
• Collaborative and team-oriented mindset
• Alignment with Discovery's values and purpose

Why Join Discovery?

Discovery offers one of the most advanced data science environments in South Africa. Team members work with large-scale datasets, modern machine learning technologies, and innovative business models that impact millions of lives.

The organisation provides opportunities to work on cutting-edge AI research, develop technical expertise, collaborate with leading professionals, and contribute to meaningful projects that improve health, wellness, and financial outcomes.

Career Growth Opportunities

This role provides exposure to advanced analytics, artificial intelligence, machine learning engineering, and research-driven development. Successful candidates can progress into specialised careers in Data Science, Machine Learning Engineering, AI Research, NLP Engineering, Predictive Analytics, or Data Science Leadership.

Employment Equity

Discovery is an equal opportunity employer committed to diversity and inclusion. The company's Employment Equity Plan and transformation objectives will be considered throughout the recruitment process. Applications from persons with disabilities are encouraged.

Final Thoughts

The Discovery Health Junior Data Scientist opportunity is an outstanding career opportunity for graduates and aspiring AI professionals who want to work at the forefront of machine learning, Natural Language Processing, and Large Language Models. It offers exposure to meaningful projects, world-class datasets, and an innovative environment where technology and data are used to improve lives across South Africa.