AI Engineer

Vaimo

  • Pretoria, Gauteng
  • Permanent
  • Full-time
  • 24 days ago
About the RoleWe're looking for a skilled AI Engineer to help us fine-tune, deploy, and maintain private AI models tailored to our business needs. You'll be working with leading foundation models and custom datasets to deliver scalable, secure, and high-performing AI solutions-without reinventing the wheel.What You'll Do🧠 Model Fine-Tuning & Adaptation
  • Fine-tune pre-trained private AI models (e.g. LLMs, vision models) for specific business use cases.
  • Host and manage local LLMs and app hosting
  • Work with proprietary or internal datasets to adapt models for high relevance and accuracy.
  • Evaluate model performance and improve outputs through prompt engineering or targeted retraining.
🧹 Data Preparation
  • Collect, clean, and prepare datasets for training, tuning, and evaluation.
  • Collaborate with data teams to ensure high-quality inputs and labeling consistency.
⚙️ Deployment & Operations
  • Deploy models in secure, scalable production environments using Docker, Kubernetes, Linux and cloud infrastructure (AWS, GCP, or Azure).
  • Monitor model performance, reliability, and drift; implement updates and improvements as needed.
🛠️ Maintenance & Optimisation
  • Maintain and update deployed models to ensure continued alignment with business goals.
  • Optimize model latency, cost, and accuracy based on real-world usage data.
🤝 Collaboration & Support
  • Work with product and engineering teams to integrate models into applications.
  • Support internal teams with prompt design, model usage, and troubleshooting.
⚖️ Responsible AI Practices
  • Apply principles of ethical AI development, including privacy, security, and bias mitigation.
  • Ensure compliance with internal and external AI governance policies.
What You'll Need
  • 1+ years' experience in AI/ML/GI engineering, with a focus on model fine-tuning and deployment.
  • Strong experience with PHP, Node, React & Python and libraries like Transformers, LangChain, or Hugging Face.
  • Familiarity with model evaluation techniques and metrics.
  • Experience deploying AI models in production using tools like Docker, Kubernetes, and cloud services (AWS, GCP, or Azure).
  • Solid understanding of LLMs or other foundation models and how to work with them effectively.
  • Strong analytical, problem-solving, and communication skills.
Nice to Have
  • Experience with vector databases (e.g. FAISS, Weaviate, Pinecone) or RAG pipelines.
  • Knowledge of secure and private model hosting (eg Ollama).
  • Certifications in ML, cloud, or AI-related fields.
  • Exposure to tools like MLflow, Weights & Biases, or Ray.
  • Orchestration automation like n8n
Why Join Us?You'll work on impactful AI solutions without the burden of building from scratch-just smart adaptation, deployment, and ongoing improvement. Help shape how AI is applied responsibly and effectively in the real world.

Vaimo

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