Senior Data Platform Architect (AI & Analytics) Hybrid, 3 days onsite in Central London £65k-£95k depending on experience Permanent Role overview: Our client, a major investment bank, is seeking a hands-on Technical Architect to design AI-enabled, high-performance data platforms for trading, risk, and regulatory reporting. What you'll do: Own the architecture of AI/ML data platforms, ensuring scalability, performance, and regulatory compliance Lead MongoDB, Redis, Elasticsearch, and other modern data technologies for fast storage, retrieval, and analytics Collaborate with data scientists, engineers, and business stakeholders to deliver enterprise-grade solutions Drive best practices in caching, indexing, query optimisation, and cloud deployment Mentor engineers and guide technical decisions What we're looking for: 15 years in technology organisations, with 5 years as a hands-on Technical Architect Deep experience with MongoDB, Redis, Elasticsearch, distributed systems, micro-services, and AI/ML integration Cloud experience (AWS, Azure, or GCP) and containerisation (Docker/Kubernetes) Strong data governance, security, and compliance expertise in regulated environments Excellent communication and stakeholder management skillsModis International Ltd acts as an employment agency for permanent recruitment and an employment business for the supply of temporary workers in the UK. Modis Europe Ltd provide a variety of international solutions that connect clients to the best talent in the world. For all positions based in Switzerland, Modis Europe Ltd works with its licensed Swiss partner Accurity GmbH to ensure that candidate applications are handled in accordance with Swiss law. Both Modis International Ltd and Modis Europe Ltd are Equal Opportunities Employers. By applying for this role your details will be submitted to Modis International Ltd and/ or Modis Europe Ltd. Our Candidate Privacy Information Statement which explains how we will use your information is available on the Modis website