SPEC. NO. BJ-2026-001 · CLOUD & AI DEVELOPER PORTFOLIO REV 04

BJPlayground

TYPE Cloud & AI Developer Portfolio
STACK Full-Stack · AWS Serverless · ML/AI Enthusiast_
STATUS Active Development
SCROLL TO EXPLORE
01

Current Focus

F.01

AWS Cloud Architecture

Building production-ready serverless applications with modern AWS services and infrastructure as code

CloudFrontS3LambdaDynamoDBRoute 53SAMEventBridge
F.02

Serverless Applications

Building scalable, cost-optimized serverless solutions with modern frameworks

FastAPIReactCognitoAPI GatewayStep FunctionsTypeScriptshadcn/ui
F.03

ML/AI Integration

Experimenting with LLMs, model context protocols, and AI-powered applications

MCP ServersStreamlitBedrockOpenAIpgvectorRAG
02

Featured Projects

P.02 Workflow Automation LIVE

Support Ticket Router

Serverless workflow automation that intelligently routes support tickets through automated workflows using EventBridge, Step Functions, and SQS with SLA monitoring

EventBridgeStep FunctionsSQSDynamoDBLambdaReact
↗ launch
P.03 Security LIVE

DevVault

Zero-knowledge encrypted credentials manager with FastAPI backend and React frontend

FastAPIReactEncryptionSSMSecrets Manager
↗ launch
P.04 AI / SRE Platform LIVE

Intelligent Incident Command Center

Real-time incident management platform with AI-powered RAG chat, post-incident report generation, document embedding, analytics, and PWA support

SupabaseOpenAIpgvectorReactVercelPWA
↗ launch
P.05 DevTools WIP

Tech Stack Analyzer

Automated system to catalog and analyze technology stacks across personal projects

AutomationAnalysisCataloging
P.06 Finance / AWS SAM LIVE

Balance Tracker

Serverless accounts receivable platform with KPI dashboard, payment tracking, CSV import/export, weekly email digests via SES, and multi-tenant access controls. Built entirely on AWS free tier.

AWS SAMDynamoDBLambdaCognitoEventBridgeSNS/SESReactPWA
↗ launch
P.07 AI / EdTech LIVE

Cadence — Cert Exam Prep

Multi-cert AI study platform with LLM quiz generation, spaced-repetition flashcards (SM-2), readiness scoring, progress radar charts, AI weekly study plans, and a curated learning intel feed.

SupabaseOpenAIReactTanStack QueryVercelPWA
↗ launch
03

Technology Stack

Cloud & Infrastructure

  • CloudFront & S3
  • Lambda & API Gateway
  • DynamoDB & Cognito
  • Route 53 & SAM
  • EventBridge & Step Functions
  • SQS, SNS & SES
  • Secrets Manager
  • VPC & Networking

Frontend & Deployment

  • React & Angular
  • TypeScript & Vite
  • shadcn/ui & Tailwind CSS
  • TanStack Query
  • Recharts
  • Streamlit
  • Vercel & PWA
  • CloudFront CDN

Backend Development

  • FastAPI
  • Spring Boot
  • Node.js
  • Python
  • Java
  • Supabase Edge Functions
  • REST APIs
  • Resend

Data & ML / AI

  • PostgreSQL & DynamoDB
  • Oracle DB
  • pgvector
  • RAG & Embeddings
  • OpenAI & AWS Bedrock
  • Supabase
  • MCP Servers
  • Streamlit
04

What's Coming

PHASE 01

Portfolio Consolidation

Unifying all applications under a custom domain with CloudFront CDN and HTTPS

PHASE 02

Project Showcases

Interactive demos and documentation for key projects from BJPlayground

PHASE 03

Technical Blog

Sharing lessons learned from AWS optimization, serverless architecture, and AI integration