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  • Posted: Oct 3, 2025
    Deadline: Not specified
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  • LexisNexis Legal & Professional is a leading global provider of legal, regulatory and business information and analytics that help customers increase productivity, improve decision-making and outcomes, and advance the rule of law around the world. As a digital pioneer, the company was the first to bring legal and business information online with its Lexis® ...
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    Machine Learning Engineer Lead

    • We are looking for a skilled LLM Application Developer to join our team. You will be responsible for implementing large language model (LLM) based applications, working with proprietary and open-source models as well as popular frameworks such as LangChain or LlamaIndex to ensure seamless integration and deployment.

    RESPONSIBILITIES

    • Manage a team of Machine Learning Engineers and Data Engineers
    • Collaborate with stakeholders like Product Managers, Data Scientists and Program Managers
    • Develop and implement LLM-based applications.
    • Fine-tune and deploy large language models.
    • Implement production quality ETL jobs
    • Build RAG-based applications  
    • Integrate models with existing systems and APIs.
    • Preprocess and manage data for training and deployment.
    • Collaborate with cross-functional teams to define, design, and ship new features.
    • Write clean, maintainable, and efficient code.
    • Document development processes, code, and APIs.

    REQUIREMENTS

    • Prior experience managing an engineering team
    • Proven experience with large language models and open-source frameworks.
    • Experience leveraging models from repositories such as Hugging Face
    • Experience with deep learning frameworks such as PyTorch, Tensorflow and Hugging Face Transformers.
    • Strong knowledge of API integration (RESTful, GraphQL).
    • Experience with data preprocessing, SQL, and NoSQL databases as well as vector stores (e.g., Postgres, Elasticsearch/OpenSearch, ChromaDB etc.)
    • Experience with GPU programming, including CUDA or RAPIDs
    • Familiarity with deployment tools (Docker, Kubernetes).
    • Excellent problem-solving and communication skills.
    • Ability to work collaboratively in an agile team environment.

    PREFERRED QUALIFICATIONS

    • Degree in Computer Science, Data Science, or related field.
    • Certifications in machine learning, data science, or cloud computing.
    • Portfolio showcasing past projects or contributions to open-source projects.

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    Method of Application

    Interested and qualified? Go to LexisNexis South Africa on relx.wd3.myworkdayjobs.com to apply

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