AI Technical Architect Hybrid, 3 days onsite in Central London £65k-£95k depending on experience Permanent Role Overview: Our client is looking for an experienced Technical Architect with a strong background in Artificial Intelligence (AI) and data architecture in an investment banking environment. The ideal candidate will have deep expertise in designing and implementing scalable, high-performance data platforms using modern tech including MongoDB, Redis, Elasticsearch and others. This role requires a strategic thinker with hands-on technical skills and a proven track record of delivering enterprise-grade solutions. Key Responsibilities: Architect AI-driven data platforms supporting investment banking applications and regulatory reporting.Design and implement strategies for fast, reliable data storage and retrieval using MongoDB, Redis, Elasticsearch, and other modern technologiesCollaborate with data scientists, engineering teams, and business stakeholders to deliver scalable, compliant solutionsEnsure data integrity, security, and governance across all layers of the architectureLead innovation in AI integration, including model deployment, real-time analytics, and inference optimisationEstablish best practices for caching, indexing, and query optimisationProvide technical leadership and mentorship to engineering teamsPartner with cloud and infrastructure teams for optimal deployment and cost efficiency Required Skills and Experience: 15+ years in technology organisa