solutions-architecture

Reusable, vendor-neutral, industry-specific, vendor-specific solution architecture patterns for enterprise

Docker Kanvas Extension

Personal portfolio and engineering website for Patrick Araujo, focused on backend systems, AI, automation, API integrations, and technical projects.

Supervisor-worker multi-agent framework for AI system development. Orchestrates specialized agents through complete lifecycle: requirements → architecture → engineering → deployment. Supports Cursor IDE, GitHub Copilot, Claude Projects, AWS Bedrock.

Reference architectures and implementation guides for TCS Labs

ADS: The Architecture Description Standard — defining the structure and content of Solution Architecture Documents

Independent technical architecture review guide, checklist, templates, and vendor-bias red flags for software, cloud, AI, and enterprise systems.

Serverless AWS cost tracking system with an API for on-demand spend insights, automated metric publishing, and scheduled weekly reports. Converts raw billing data into trend dashboards and anomaly alerts, helping teams catch cost spikes early and reduce manual cost reporting work.

Demo use cases created with WSO2 technology stack

Orchestrates specialized skills through the complete solutions architecture lifecycle: ideation → requirements → architecture → team composition → cost. Designed for local Claude Code CLI and Anthropic cloud deployment.

Architecture diagrams from JSON — C4, ArchiMate, BPMN-Lite, Sequence, ER, Flowchart. AI-native format.

FinTech architecture constraints across 10 APAC markets — data, cloud, cyber, AI/model risk.

Personal site: selected work, published writing, and how I work. Live at raoket.github.io

AI-Powered Document Intelligence SaaS - End-to-end ML platform architecture on AWS with Terraform

Case studies of 9 production AI systems across 8 domains — architecture, decisions and trade-offs. Source private; the reasoning is public.

Secure, scalable AWS architecture with VPC segmentation, IAM, ALB, Auto Scaling, monitoring and Terraform.

Visual product search API — upload an image, get the 10 most similar catalog items. Locally tested prototype: FastAPI, classical-CV embedding pipeline, vector search, reranking. Documented AWS multi-region design (not deployed).

Enterprise-grade multi-region disaster recovery system for Canadian healthcare data with PIPEDA compliance, featuring automated S3 replication, DynamoDB Global Tables, and Lambda-based monitoring

One workload built 1:1 across AWS, Azure, and GCP from a single contract - a hands-on Solutions Architect study