AI Architecture

LLM integration, retrieval-augmented generation, and enterprise AI governance for organisations moving beyond pilots.

Enterprise AI adoption fails at the architecture layer. Organisations that get this right — data pipelines, context design, governance, security boundaries — move from promising pilots to production systems that can be trusted and scaled. Those that don't accumulate technical debt and compliance risk.

NILUS brings enterprise architecture rigour to AI adoption — treating LLM integration not as a standalone technical project but as a capability embedded in data, security, and operational architecture.

What We Deliver

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LLM Integration Architecture

Designing how large language models connect to enterprise systems — API orchestration, context management, prompt engineering patterns, and fallback strategies.

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RAG System Design

Retrieval-augmented generation architecture — vector database selection, chunking strategy, embedding pipelines, hybrid search, and relevance tuning for enterprise knowledge bases.

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AI Governance Frameworks

Defining AI operating models — model lifecycle management, human-in-the-loop checkpoints, bias monitoring, audit trails, and alignment with EU AI Act requirements.

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Secure Enterprise AI

Data residency, PII handling, prompt injection mitigation, model access controls, and integration patterns that keep sensitive data inside enterprise boundaries.

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AI Platform Architecture

MLOps pipeline design, model serving infrastructure, feature store integration, observability for AI systems, and multi-model orchestration patterns.

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AI Adoption Roadmaps

Pragmatic sequencing of AI use cases across the enterprise — identifying high-value opportunities, capability prerequisites, and governance maturity requirements.

Architecture Challenges We Address

  • LLM pilots that work in demo but fail in production due to context window and latency constraints
  • RAG systems with poor retrieval quality because chunking and embedding strategy wasn't designed carefully
  • Sensitive data leaking into external LLM providers without adequate guardrails
  • No governance model for how AI outputs are reviewed, audited, or overridden
  • AI projects blocked by legal and compliance teams without a clear framework for approval
  • AI capabilities that can't be explained to regulators or auditors
  • Model drift and performance degradation with no monitoring in place

Technologies & Platforms

OpenAI / Azure OpenAIAnthropic ClaudeLangChain / LlamaIndexPinecone / Weaviate / pgvectorHugging FaceMLflowKubeflowApache Kafka (event pipelines)Databricks / SparkEU AI Act compliance

Moving AI from Pilot to Production?

Let's talk about the architectural decisions — data pipelines, RAG design, governance, security — that determine whether enterprise AI actually works.

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