Job Title: Senior Generative AI Architect (Agentic AI & GCP) Location: Sheffield, UK (Hybrid - 2 Days Onsite/Week) Contract Duration: 6-9 Months Role Type: FTE or Contractor The Opportunity We are seeking a high-level AI Tech Lead / Architect to drive a major digital transformation for a Tier-1 Global Financial Institution. This is not a standard chatbot project. You will be responsible for architecting “Agentic AI” solutions-designing autonomous multi-agent systems that can orchestrate complex workflows, communicate with one another, and integrate securely with enterprise banking systems. Key Responsibilities Agentic AI Architecture: Architect end-to-end GenAI solutions using Google Cloud Platform (GCP), specifically leveraging Vertex AI APIs and the Agent Development Kit (ADK). Multi-Agent Ecosystems: Design architectures that support Agent-to-Agent (A2A) communication, orchestration, and collaboration across diverse business functions. LLM Strategy & RAG: Define model selection, fine-tuning strategies, and build Retrieval-Augmented Generation (RAG) pipelines to ensure contextual accuracy and reduced hallucinations. Context Engineering: Establish frameworks for memory retention using embedding stores, Vector Databases, and persistence strategies. Integration: Architect prompt management and function-calling layers to seamlessly integrate AI agents with backend APIs, microservices, and UI/UX layers. Governance & Compliance: Implement strict observability and governance frameworks to ensure all GenAI deployments meet enterprise data security and regulatory standards. Skills & Requirements Mandatory: Proven experience in Application Architecture Tech Stack: Deep expertise in Google Cloud Platform (GCP), Vertex AI, and Gemini Models. AI Frameworks: Strong hands-on experience with LangChain, Vector Databases (Pinecone, Weaviate, etc.), and LLMOps tools. Domain: Experience delivering AI/GenAI use cases within Banking or highly regulated industries is a significant pluWhy Apply? Work on the cutting edge of Agentic AI and Multi-agent orchestration. Lead the architectural strategy for a massive enterprise-scale deployment. Hybrid working model based in Sheffield. Randstad Technologies is acting as an Employment Business in relation to this vacancy