Projects

Decisions, systems, and measurable proof.

This portfolio shows how I work across architecture layers: governed cloud foundations, platform boundaries, distributed software, data pipelines, and applied AI. Some projects are deployed systems; others capture architecture decisions and transition paths. Each makes its maturity, tradeoffs, and evidence explicit.

Portfolio

Selected work

Tenant Lens

Multi-Tenant RAG · Hybrid Retrieval · Bedrock

Case study →

A multi-tenant support system for DevOps and SRE teams. Hybrid full-text + vector retrieval with strict tenant isolation, JWT-bound query boundaries via Cognito, and idempotent ingestion with replacement semantics for living documents.

fictional tenants

JWT

tenant isolation

Hybrid

retrieval (BM25 + vector)

AWS
S3
SQS
Lambda
Step Functions
OpenSearch
Bedrock
Cognito
Claude Sonnet 4.6
Titan Embeddings V2
Terraform

Source

AWS Landing Zone

Control Tower · Terraform · Account Vending

Case study →

A governed AWS multi-account foundation built around Control Tower, IAM Identity Center, Terraform, policy-as-code, hub networking, and AFT-based account vending.

top-level OUs

shared accounts

6-12w

ready timeline

AWS
Control Tower
Organizations
IAM Identity Center
Terraform
GitLab OIDC
OPA
Conftest
GuardDuty
Route 53
AFT

Source

Invoice Intelligence Platform

Serverless AWS · Champion/Challenger ML Eval

Case study →

A four-zone data lake with event-driven extraction. Benchmarked Amazon Textract against Bedrock Nova Lite on the same canonical contract — Nova Lite came in 28× cheaper and 6× faster.

28×

cheaper

6×

faster

TF modules

AWS
S3
SQS
Step Functions
Lambda
Bedrock
Textract
DynamoDB
Glue
Athena
CloudWatch
Terraform

Source