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Machine Learning Engineer

Discovery Limited Gauteng 17 days ago
Full-time
Engineering

Job Purpose

We are seeking a talented and enthusiastic Machine Learning Engineer to join our AI Engineering team. As a Machine Learning Engineer, you will be responsible for designing, building, testing, deploying, and maintaining AI and machine learning applications and services. This role places a strong emphasis on developing GenAI-powered solutions for both client-facing applications and internal products, as well as backend systems that directly impact customer experiences. You will work across a range of modalities, including text and voice, to build intelligent, production-ready AI systems. This position offers the opportunity to work with cutting-edge technologies and contribute to the development and automation of AI use cases across the organization. You will work closely with data scientists, product teams, engineers, and other stakeholders to help architect and evolve the bank's modern AI ecosystem, including initiatives such as Discovery AI.

We believe that when our clients are empowered to make better financial decisions, they benefit through improved financial outcomes, and the business benefits alongside them.Personalisation is at the heart of this mission. By leveraging data, analytics, artificial intelligence, and machine learning, we create intelligent, tailored experiences that help clients navigate their financial journeys with confidence. From delivering relevant insights and recommendations to developing innovative products and services, we use technology to solve meaningful problems at scale.

Key Outcomes may include but are not limited to:

Generative AI & Machine Learning Development

Design and develop Generative AI solutions, including LLM-based applications

Implement techniques such as prompt engineering, Retrieval-Augmented Generation (RAG), and fine-tuning

Develop and evaluate machine learning models across supervised, unsupervised, and NLP use cases

Optimise model performance, reliability, and cost efficiency for enterprise environments

Deployment & Production

Package and deploy AI and GenAI solutions into production (APIs, services, batch workflows)

Support cloud-based deployments, primarily on Microsoft Azure, including Azure OpenAI and Azure AI services

Apply MLOps and LLMOps practices such as versioning, monitoring, evaluation, and continuous improvement

Collaboration

Collaborate closely with data scientists, actuaries, data engineers, and other software engineers to understand and address their needs.

Contribute actively to the architecting of our bank's modern Machine Learning data ecosystem.

Education and Experience

At least 2-4 years' working experience as a Software Engineer/Machine Learning Engineer/AI Engineer or related field.

Bachelor's degree in engineering or computer science or a related field. Other qualifications will be considered if accompanied by sufficient experience in software engineering.

Technical skills or knowledge:

Core Technical Skills

Strong proficiency in Python for AI and machine learning development

Solid understanding of machine learning fundamentals - preprocessing, training, evaluation

Hands-on experience with ML frameworks such as scikit-learn, PyTorch, or TensorFlow

Practical experience with Generative AI and LLMs; familiarity with LangChain, LangGraph, or agent-based frameworks is advantageous

Strong data handling skills, including SQL and data querying

Experience deploying ML models or AI services into production environments

Experience with vector databases and embeddings (e.g., for RAG-based architectures)

Exposure to AI coding tools such as Cursor or Claude Code is advantageous

Understanding of DevOps practices, including version control, CI/CD, and testing

Experience with AI agents is advantageous

Cloud & Platforms

Experience with cloud platforms (Azure preferred; AWS or GCP acceptable)

Familiarity with Azure OpenAI, Azure AI services, or similar GenAI platforms

Experience with Databricks is advantageous

Experience building or consuming REST APIs and working with containerisation tools such as Docker

Exposure to MLOps / LLMOps practices and tools (e.g., MLflow, monitoring, CI/CD pipelines)