SOL-02

Tier-4 Generative-AI SaaS on Bedrock + SageMaker AWS

Fractional CTO (SaaS Platform Client) — legacy-readiness SaaS for North American enterprises.

Business Problem

A scalable, secure multi-tenant SaaS with differentiated AI guidance and board-level reliability.

End-to-End Architecture

flowchart LR
  U["Users / tenants"] --> CF["CloudFront + WAF / Shield"]
  CF --> API["API Gateway · Lambda · EKS / Fargate"]
  API --> DATA["Aurora · DynamoDB · S3 · OpenSearch (vector)"]
  API --> BR["Amazon Bedrock
AgentCore · Knowledge Bases · Guardrails"] BR --> MODELS["Claude · Amazon Nova"] DATA --> BR BR --> SM["SageMaker
Pipelines · Model Registry · Feature Store"] DATA --> AN["Analytics
Glue · Athena · EMR · Kinesis · Redshift · QuickSight"] SEC["IAM Identity Center · GuardDuty · Security Hub · KMS · Control Tower"] -.-> API API --> OBS["CloudWatch · X-Ray · Datadog"]

Workflow (Proof of Concept, A→Z)

sequenceDiagram
  participant T as Tenant
  participant API as API Gateway/Lambda
  participant BR as Bedrock AgentCore
  participant KB as Knowledge Base
  participant GR as Guardrails
  T->>API: request (Cognito auth, tenant scoped)
  API->>BR: invoke agent (tenant isolation)
  BR->>KB: retrieve tenant knowledge
  KB-->>BR: context
  BR->>GR: guardrail + evaluation
  GR-->>BR: safe response
  BR-->>T: AI guidance + cost tracked

Technology Stack

Amazon BedrockAgentCoreAmazon NovaClaudeSageMakerKendraLambdaEKSAurora · DynamoDBS3Control TowerTerraform · CDK

Security & Governance

  • IAM Identity Center, multi-account Control Tower landing zone
  • Bedrock Guardrails + Evaluation; tenant isolation via AgentCore hierarchy
  • GuardDuty, Security Hub, Inspector, Macie; KMS + Secrets Manager
  • Encryption at-rest/in-transit; WAF + Shield Advanced

Delivery — MVP → Pilot → Enterprise

MVPBedrock + Claude/Nova chat with Knowledge Bases
PilotAgentCore tenant isolation, SageMaker MLOps, OpenSearch RAG
EnterpriseTier-4 microservices, blue-green/canary, full observability

Outcomes

99.99% uptime · 40% infrastructure cost reduction · Tenant-isolated, governed GenAI

← All solutions

Let's build something real.

Available for CTO · CIO · CISO, Principal / Enterprise Architect, and fractional / advisory engagements across North America and globally.

LinkedIn Portfolio Book a Meeting