AI Back End Engineer (Contract) Duration: 6 Months (Possibility for extension)Location: London/Hybrid (2 - 3 days on site)Rate: A highly competitive Umbrella Day Rate is available for suitable candidates Role ProfileAre you ready to shape the future of AI in financial services? We are looking for a talented AI Back-End Engineer to join our dynamic innovation team within the investment banking sector. This is an exciting opportunity to work in a greenfield environment, where you will play a crucial role in designing and deploying secure, scalable AI services that drive next-generation use cases, including client intelligence, document processing, and risk management.Key Responsibilities:Architect and Implement: Design and deploy secure AI services from lab to production, ensuring they are scalable and compliant with industry standards.API Development: Create robust APIs for large language models (LLMs), retrieval-augmented generation (RAG) pipelines, agentic workflows, and document intelligence systems.Cybersecurity and Privacy: Integrate cybersecurity and data privacy controls across all AI workflows, including encryption, anonymisation, and access logging.Collaborate with CISO: Work closely with the Chief Information Security Officer (CISO) function on threat modelling, security reviews, and AI-specific control design.Enterprise Integration: Integrate with enterprise Identity and Access Management (IAM) systems, enforcing Role-Based Access Control (RBAC) and least privileg