Blockchain Architect

Job Description:

The Blockchain Architect will define the design and framework for distributed ledger solutions supporting secure customer data exchange and digital identity verification.

Key Responsibilities:

• Define architecture for blockchain-based KYC/identity verification solutions.

• Design smart contracts and distributed workflows integrating with AI-based onboarding.

• Collaborate with AI and compliance teams for regulatory alignment.

Required Skills:

• Proven expertise in Ethereum, Hyperledger, or Corda.

• Deep understanding of blockchain interoperability and data privacy.

• Experience in financial services, particularly KYC/AML and customer data exchange.

Key Responsibilities:

• Develop and fine-tune Gen AI models (LLMs) for summarization, document Q&A, and contextual insights.
• Build APIs and microservices for AI integration into NatWest customer systems.
• Implement prompt engineering, retrieval-augmented generation (RAG), and vector store integration.
• Work with architects and data scientists to operationalize AI safely.

Required Skills:

• Expertise in Python, LangChain, OpenAI API (or Azure OpenAI), and vector databases.
• Familiarity with financial domain data, customer due diligence (CDD/KYC), and document processing.
• Understanding of model evaluation, guardrails, and responsible AI practices.

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