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Principal Engineer, AI Engineering

CITY OF LONDON,💼 Full-time🗓 2026-08-13 → 2026-09-26

Core

Senior technical authority defining architecture, design, and delivery patterns for secure, resilient, and governed agentic AI systems in Corporate and Investment Banking.

Role type

Principal Engineer, AI Engineering (Agentic AI & Architecture)

Builds

Enterprise-grade AI systems including RAG platforms, agentic workflows, chat experiences, orchestration layers, evaluation pipelines, and reusable AI services.

Domain

Financial Services (Corporate & Investment Banking) + Generative AI

Deliverable

production ML models | product features | infrastructure

Required skills

AI engineering strategy, agentic workflows, LLMs, RAG, model orchestration, Python, TypeScript, React, distributed high-performance systems, cybersecurity controls, data privacy, model risk management, governance, compliance

Preferred skills

AI platform capabilities, reference architectures, internal developer frameworks, vector databases, embeddings, hybrid search, Elasticsearch, Redis, ChromaDB, high-availability banking applications

Technologies

OpenAI, Anthropic, Google Vertex AI, GitHub Copilot, OpenShift, Kubernetes, MCP, APIs

Responsibilities

Define target-state architecture and reusable design patterns for AI systems; Guide architecture decisions across model integration, retrieval, orchestration, and security; Lead proof-of-concepts, design reviews, and technical deep dives; Ensure AI systems meet security, data protection, and regulatory expectations; Mentor senior engineers and engineering leads; Resolve complex technical challenges in AI pipelines and production operations.

Seniority

Principal, hands-on IC with strategic leadership

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