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Johannesburg North: Data Scientist (AI & ML) posted by Network Finance

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Job Description

Our client is a leading, innovation, driven organization, pioneering advanced AI capabilities across their ecosystem. They are searching for a Data Scientist – Generative AI to drive end-to end AI initiatives, from LLM development and RAG frameworks to scalable deployment and data pipeline engineering. This isn’t support work, it’s transformation at enterprise level.
 
Key Responsibilities:
 

  •  Design, develop, and optimize Generative AI models for operational and analytical use
  • Build and fine-tune RAG frameworks using tools like LangChain, LlamaIndex, and other LLM platforms
  • Engineer scalable data pipelines and perform ETL to support AI model training and deployment
  • Collaborate with data and DevOps teams to deploy AI solutions in production environments
  • Integrate data from multiple sources and ensure robust data warehousing and accessibility
  • Drive performance, scalability, and cost efficiency for AI models in cloud and on-prem settings
  • Communicate complex AI concepts to non-technical stakeholders and align work to business goals
  • Continuously research, experiment, and stay ahead of GenAI trends and architectures
  • Job Experience and Skills Required:
  • -3+ years in AI/ML, with at least 1–2 years focused on Generative AI
  • Strong background in data engineering, ETL processes, and pipeline development
  • Hands-on experience with TensorFlow, PyTorch, and GenAI frameworks
  • Proficiency in Python, SQL, Pandas, and NumPy
  • Experience with cloud platforms (AWS, GCP, Azure) and container tools (Docker, Kubernetes)
  • Knowledge of MLOps practices, including model versioning, monitoring, and retraining
  • Familiarity with big data and storage tools like Spark, Hadoop, and vector databases
  • Excellent communication, teamwork, innovation mindset, and analytical problem-solving
  • Bachelor’s degree in Computer Science, Data Science, ML, or a related field (Master’s/PhD advantageous)
View Job  Gauteng: Financial Accountant posted by Network Finance

 
Preferred Certifications:
 
– AWS Certified Machine Learning / AI Practitioner
– GCP ML Engineer or Cloud Engineer
– Microsoft Azure AI Engineer / Data Science
 
Apply now!
For more exciting AI, Data Science, and Analytics opportunities, visit:
www.********.co.za
 
I also recruit across:
 
– AI & Machine Learning
– Data Engineering
– Actuarial & Analytics
– Product & Model Development
– Pricing & Valuations
– Risk & Automation
 
If you haven’t heard back in two weeks, please consider your application unsuccessful. Your profile will be retained for future opportunities.
 
For more information, contact:
Kholo Mongalo
Recruitment Researcher in Actuarial & Analytics
Connect with me on LinkedIn: www.********.co.za



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