AI Engineer Python Fullstack at Robert Walters

We are looking for an AI Engineer to develop end-to-end AI solutions, combining modern software engineering with advanced machine learning and generative AI capabilities. You'll contribute to a global technology organization delivering large-scale digital and AI transformation initiatives for enterprise clients. Location: London, UK (hybrid, 1-3 days onsite) Salary: £70,000-£90,000 + bonus + benefits Type: Permanent, Full-time Posted: March 13, 2026 (valid through April 24, 2026) Responsibilities: - Construct and implement full-stack AI applications including APIs, services, and user interfaces - Engineer GenAI, Agentic AI, and machine learning systems for production environments - Design RAG pipelines, LLM-powered applications, and intelligent agent architectures - Integrate AI solutions with enterprise platforms and cloud infrastructure - Partner with data scientists, engineers, and business stakeholders on product delivery - Establish technical standards and innovation practices for AI engineering Required Skills & Experience: - Proficient Python development with AI/ML/NLP libraries (Hugging Face, spaCy, NLTK) - Hands-on experience building applications with LLMs (GPT, Llama, Mistral, Claude) - Framework expertise: LangChain, LlamaIndex, AutoGen, CrewAI, LangGraph - RAG architecture implementation with vector databases (Pinecone, Weaviate, FAISS) - MLOps/LLMOps proficiency (MLflow, Kubeflow, Docker, Kubernetes) - Cloud platform experience (AWS, Azure, or GCP) - Knowledge of autonomous agents, reasoning engines, and knowledge graphs Hybrid: 1-3 days onsite in London.