
Data Scientist â Machine Learning & Generative AI
- Johannesburg, Gauteng
- Permanent
- Full-time
- Building Large Language Model (LLM) solutions (GPT, LLaMA, Mistral, Claude, and Falconbut tuned for real-world business impact).
- Training and fine-tuning transformer architectures (BERT, T5, GPT-3/4, etc.) on domain-specific datasets.
- Designing speech-to-text pipelines (Whisper, wav2vec, and Hugging Face speech models).
- Creating conversational AI systems that actually talk and thinkbeyond simple FAQ chatbots.
- Developing retrieval-augmented generation (RAG) pipelines with vector databases (Pinecone, Weaviate, FAISS, and Milvus).
- Owning the end-to-end ML lifecycle: Data wrangling, training, evaluation, and deployment (Docker, Kubernetes, AWS/Azure/GCP).
- 26 years experience in data science / ML (MSc or PhD preferred in AI, CS, Data Science, Applied Mathematics, or similar).
- Strong grounding in deep learning & NLP (transformers, embeddings, and attention mechanisms).
- Hands-on experience fine-tuning or deploying LLMs and transcription models.
- Solid coding skills in Python, with experience in PyTorch, TensorFlow, and Hugging Face.
- Exposure to MLOps, deployment pipelines, and cloud platforms.
- A true problem-solver and innovatorSomeone who loves building new things, not just wrapping tools together.
- Be part of a team solving real problems with cutting-edge AI.
- Work in an environment that values experimentation, bold ideas, and real impact.
- Build systems that will be used every daynot just prototypes that collect dust.
- Hybrid setup with flexibility and growth opportunities.
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