Lead AI Engineer

This Weekday client role seeks a Lead AI Engineer to spearhead the design, development, and deployment of AI solutions using Large Language Models (LLMs). The engineer will focus on optimizing models through fine-tuning, prompt engineering, RAG, and team management. They will also drive technical roadmaps, recruitment, and ensure ethical AI practices.

Requirements

• 5+ years of experience in AI/ML engineering, with a strong focus on LLMs and NLP.
• Proficiency in Python and AI frameworks such as PyTorch, TensorFlow, LangChain, LlamaIndex, or similar.
• Deep understanding of transformers, embeddings, tokenization, attention mechanisms, and distributed training.
• Experience in fine-tuning large-scale models on domain-specific datasets.
• Hands-on experience with vector databases (e.g., FAISS, Weaviate, Pinecone) for retrieval-based AI applications.
• Strong knowledge of MLOps practices, including model deployment, monitoring, and lifecycle management.
• Proven experience leading AI/ML teams, managing project timelines, sprints, and stakeholder expectations.
• Experience with cloud platforms (AWS, GCP, Azure) and optimizing AI workloads for production environments.
• Strong problem-solving skills with a research-driven mindset.